diff --git a/vitest/compile-time/validator/samples/a11y-alt-text/input.svelte b/vitest/compile-time/validator/samples/a11y-alt-text/input.svelte
new file mode 100644
index 0000000000..1c3b5ac5ce
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-alt-text/input.svelte
@@ -0,0 +1,11 @@
+<img src='foo.jpg'>
+
+<map>
+	<area>
+</map>
+
+<object></object>
+
+<input type='image'>
+
+<input type='image' alt='hey'>
diff --git a/vitest/compile-time/validator/samples/a11y-alt-text/warnings.json b/vitest/compile-time/validator/samples/a11y-alt-text/warnings.json
new file mode 100644
index 0000000000..904288c45c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-alt-text/warnings.json
@@ -0,0 +1,50 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <img> element should have an alt attribute",
+		"start": {
+			"line": 1,
+			"column": 0
+		},
+		"end": {
+			"line": 1,
+			"column": 19
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <area> element should have an alt, aria-label or aria-labelledby attribute",
+		"start": {
+			"line": 4,
+			"column": 1
+		},
+		"end": {
+			"line": 4,
+			"column": 7
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <object> element should have a title, aria-label or aria-labelledby attribute",
+		"start": {
+			"line": 7,
+			"column": 0
+		},
+		"end": {
+			"line": 7,
+			"column": 17
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <input type=\"image\"> element should have an alt, aria-label or aria-labelledby attribute",
+		"start": {
+			"line": 9,
+			"column": 0
+		},
+		"end": {
+			"line": 9,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-aria-label-has-no-content/input.svelte b/vitest/compile-time/validator/samples/a11y-anchor-aria-label-has-no-content/input.svelte
new file mode 100644
index 0000000000..c13df04b22
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-aria-label-has-no-content/input.svelte
@@ -0,0 +1 @@
+<a href="/foo" aria-label="baz"></a>
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-aria-label-has-no-content/warnings.json b/vitest/compile-time/validator/samples/a11y-anchor-aria-label-has-no-content/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-aria-label-has-no-content/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-has-content/input.svelte b/vitest/compile-time/validator/samples/a11y-anchor-has-content/input.svelte
new file mode 100644
index 0000000000..e246a1e593
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-has-content/input.svelte
@@ -0,0 +1,2 @@
+<a href='/foo'></a>
+<a href="#{'foo'}">bar</a>
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-has-content/warnings.json b/vitest/compile-time/validator/samples/a11y-anchor-has-content/warnings.json
new file mode 100644
index 0000000000..d9076ddba1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-has-content/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-missing-content",
+		"message": "A11y: <a> element should have child content",
+		"start": {
+			"line": 1,
+			"column": 0
+		},
+		"end": {
+			"line": 1,
+			"column": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-in-svg-is-valid/input.svelte b/vitest/compile-time/validator/samples/a11y-anchor-in-svg-is-valid/input.svelte
new file mode 100644
index 0000000000..48a5599aa2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-in-svg-is-valid/input.svelte
@@ -0,0 +1,3 @@
+<svg><text><a>not actually a link</a></text></svg>
+<svg><text><a xlink:href=''>not actually a link</a></text></svg>
+<svg><text><a xlink:href='#'>not actually a link</a></text></svg>
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json b/vitest/compile-time/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json
new file mode 100644
index 0000000000..0ca16767d7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-in-svg-is-valid/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <a> element should have an href attribute",
+		"start": {
+			"line": 1,
+			"column": 11
+		},
+		"end": {
+			"line": 1,
+			"column": 37
+		}
+	},
+	{
+		"code": "a11y-invalid-attribute",
+		"message": "A11y: '' is not a valid xlink:href attribute",
+		"start": {
+			"line": 2,
+			"column": 14
+		},
+		"end": {
+			"line": 2,
+			"column": 27
+		}
+	},
+	{
+		"code": "a11y-invalid-attribute",
+		"message": "A11y: '#' is not a valid xlink:href attribute",
+		"start": {
+			"line": 3,
+			"column": 14
+		},
+		"end": {
+			"line": 3,
+			"column": 28
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-is-valid/input.svelte b/vitest/compile-time/validator/samples/a11y-anchor-is-valid/input.svelte
new file mode 100644
index 0000000000..8933bd7560
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-is-valid/input.svelte
@@ -0,0 +1,8 @@
+<a>not actually a link</a>
+<a href=''>invalid</a>
+<a href='#'>invalid</a>
+<a href='javascript:void(0)'>invalid</a>
+<a name=''>invalid</a>
+<a id=''>invalid</a>
+<a name='fragment'>valid</a>
+<a id='fragment'>valid</a>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-anchor-is-valid/warnings.json b/vitest/compile-time/validator/samples/a11y-anchor-is-valid/warnings.json
new file mode 100644
index 0000000000..50d19ae630
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-anchor-is-valid/warnings.json
@@ -0,0 +1,74 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <a> element should have an href attribute",
+		"start": {
+			"line": 1,
+			"column": 0
+		},
+		"end": {
+			"line": 1,
+			"column": 26
+		}
+	},
+	{
+		"code": "a11y-invalid-attribute",
+		"message": "A11y: '' is not a valid href attribute",
+		"start": {
+			"line": 2,
+			"column": 3
+		},
+		"end": {
+			"line": 2,
+			"column": 10
+		}
+	},
+	{
+		"code": "a11y-invalid-attribute",
+		"message": "A11y: '#' is not a valid href attribute",
+		"start": {
+			"line": 3,
+			"column": 3
+		},
+		"end": {
+			"line": 3,
+			"column": 11
+		}
+	},
+	{
+		"code": "a11y-invalid-attribute",
+		"message": "A11y: 'javascript:void(0)' is not a valid href attribute",
+		"start": {
+			"line": 4,
+			"column": 3
+		},
+		"end": {
+			"line": 4,
+			"column": 28
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <a> element should have an href attribute",
+		"start": {
+			"line": 5,
+			"column": 0
+		},
+		"end": {
+			"line": 5,
+			"column": 22
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <a> element should have an href attribute",
+		"start": {
+			"line": 6,
+			"column": 0
+		},
+		"end": {
+			"line": 6,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-activedescendant/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-activedescendant/input.svelte
new file mode 100644
index 0000000000..24a2d59ac1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-activedescendant/input.svelte
@@ -0,0 +1,16 @@
+<!-- VALID -->
+<input />
+<input tabindex="0" />
+<input aria-activedescendant="some-id" />
+<input aria-activedescendant="some-id" tabindex={0} />
+<input aria-activedescendant="some-id" tabindex={1} />
+<input aria-activedescendant="some-id" tabindex="0" />
+<input aria-activedescendant="some-id" tabindex={-1} />
+<input aria-activedescendant="some-id" tabindex="-1" />
+<svelte:element this={Math.random() ? 'input' : 'button'} aria-activedescendant="some-id" />
+<div />
+<div aria-activedescendant="some-id" role="tablist" tabindex={-1} />
+<div aria-activedescendant="some-id" role="tablist" tabindex="-1" />
+
+<!-- INVALID -->
+<div aria-activedescendant="some-id" />
diff --git a/vitest/compile-time/validator/samples/a11y-aria-activedescendant/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-activedescendant/warnings.json
new file mode 100644
index 0000000000..186a18666f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-activedescendant/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-aria-activedescendant-has-tabindex",
+		"end": {
+			"column": 36,
+			"line": 16
+		},
+		"message": "A11y: Elements with attribute aria-activedescendant should have tabindex value",
+		"start": {
+			"column": 5,
+			"line": 16
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-props/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-props/input.svelte
new file mode 100644
index 0000000000..21c6327960
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-props/input.svelte
@@ -0,0 +1 @@
+<input type="image" aria-labeledby="foo">
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-props/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-props/warnings.json
new file mode 100644
index 0000000000..f357429f62
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-props/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-unknown-aria-attribute",
+		"message": "A11y: Unknown aria attribute 'aria-labeledby' (did you mean 'labelledby'?)",
+		"start": {
+			"line": 1,
+			"column": 20
+		},
+		"end": {
+			"line": 1,
+			"column": 40
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <input type=\"image\"> element should have an alt, aria-label or aria-labelledby attribute",
+		"start": {
+			"column": 0,
+			"line": 1
+		},
+		"end": {
+			"line": 1,
+			"column": 41
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-boolean/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-boolean/input.svelte
new file mode 100644
index 0000000000..c992928229
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-boolean/input.svelte
@@ -0,0 +1,8 @@
+<script>
+    const abc = 'abc';
+</script>
+
+<button aria-disabled="yes"/>
+<button aria-disabled="no"/>
+<button aria-disabled={1234}/>
+<button aria-disabled={`${abc}`}/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-boolean/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-boolean/warnings.json
new file mode 100644
index 0000000000..61cd1aabba
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-boolean/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-disabled' must be exactly one of true or false",
+		"start": {
+			"line": 5,
+			"column": 8
+		},
+		"end": {
+			"line": 5,
+			"column": 27
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-disabled' must be exactly one of true or false",
+		"start": {
+			"line": 6,
+			"column": 8
+		},
+		"end": {
+			"line": 6,
+			"column": 26
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-integer/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-integer/input.svelte
new file mode 100644
index 0000000000..f426becef7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-integer/input.svelte
@@ -0,0 +1,7 @@
+<div aria-level="yes" />
+<div aria-level="no" />
+<div aria-level={`abc`} />
+<div aria-level={true} />
+<div aria-level />
+<div aria-level={"false"} />
+<div aria-level={!"false"} />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-integer/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-integer/warnings.json
new file mode 100644
index 0000000000..51b31e70ef
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-integer/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-level' must be of type integer",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 21
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-level' must be of type integer",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 20
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-level' must be of type integer",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-number/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-number/input.svelte
new file mode 100644
index 0000000000..6006ef49ad
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-number/input.svelte
@@ -0,0 +1,7 @@
+<div aria-valuemax="yes" />
+<div aria-valuemax="no" />
+<div aria-valuemax={`abc`} />
+<div aria-valuemax={true} />
+<div aria-valuemax />
+<div aria-valuemax={'false'} />
+<div aria-valuemax={!'false'} />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-number/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-number/warnings.json
new file mode 100644
index 0000000000..e28a43df37
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-number/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-valuemax' must be of type number",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 24
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-valuemax' must be of type number",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 23
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-valuemax' must be of type number",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-string/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-string/input.svelte
new file mode 100644
index 0000000000..0c510160af
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-string/input.svelte
@@ -0,0 +1,5 @@
+<div aria-label />
+<div aria-label={true} />
+<div aria-label={false} />
+<div aria-label={1234} />
+<div aria-label={!true} />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-string/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-string/warnings.json
new file mode 100644
index 0000000000..2dd8f2509f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-string/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-label' must be of type string",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-token/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-token/input.svelte
new file mode 100644
index 0000000000..7d879d468c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-token/input.svelte
@@ -0,0 +1,6 @@
+<div aria-sort="" />
+<div aria-sort="incorrect" />
+<div aria-sort />
+<div aria-sort={true} />
+<div aria-sort={"false"} />
+<div aria-sort="ascending descending" />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-token/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-token/warnings.json
new file mode 100644
index 0000000000..555f956d95
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-token/warnings.json
@@ -0,0 +1,50 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 17
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 26
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"start": {
+			"line": 3,
+			"column": 5
+		},
+		"end": {
+			"line": 3,
+			"column": 14
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-sort' must be exactly one of ascending, descending, none, other",
+		"start": {
+			"line": 6,
+			"column": 5
+		},
+		"end": {
+			"line": 6,
+			"column": 37
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-tokenlist/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tokenlist/input.svelte
new file mode 100644
index 0000000000..f0926cee60
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tokenlist/input.svelte
@@ -0,0 +1,7 @@
+<div aria-relevant="" />
+<div aria-relevant="foobar" />
+<div aria-relevant />
+<div aria-relevant={true} />
+<div aria-relevant={"false"} />
+<div aria-relevant="additions removals_" />
+<div aria-relevant="additions removals_ " />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json
new file mode 100644
index 0000000000..408a0db916
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tokenlist/warnings.json
@@ -0,0 +1,62 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 21
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 27
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"start": {
+			"line": 3,
+			"column": 5
+		},
+		"end": {
+			"line": 3,
+			"column": 18
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"start": {
+			"line": 6,
+			"column": 5
+		},
+		"end": {
+			"line": 6,
+			"column": 40
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-relevant' must be a space-separated list of one or more of additions, all, removals, text",
+		"start": {
+			"line": 7,
+			"column": 5
+		},
+		"end": {
+			"line": 7,
+			"column": 41
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-tristate/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tristate/input.svelte
new file mode 100644
index 0000000000..a265f0472b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tristate/input.svelte
@@ -0,0 +1,8 @@
+<script>
+    const abc = 'abc';
+</script>
+
+<div aria-checked="yes" />
+<div aria-checked="no" />
+<div aria-checked={1234} />
+<div aria-checked={`${abc}`} />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-proptypes-tristate/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tristate/warnings.json
new file mode 100644
index 0000000000..2733b2ad18
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-proptypes-tristate/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-checked' must be exactly one of true, false, or mixed",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 23
+		}
+	},
+	{
+		"code": "a11y-incorrect-aria-attribute-type",
+		"message": "A11y: The value of 'aria-checked' must be exactly one of true, false, or mixed",
+		"start": {
+			"line": 6,
+			"column": 5
+		},
+		"end": {
+			"line": 6,
+			"column": 22
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-role/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-role/input.svelte
new file mode 100644
index 0000000000..1dde21a2ad
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-role/input.svelte
@@ -0,0 +1,7 @@
+<!-- valid -->
+<div role="tooltip"></div>
+<div role="button tooltip"></div>
+
+<!-- not valid -->
+<div role="toooltip"></div>
+<div role="button toooltip"></div>
diff --git a/vitest/compile-time/validator/samples/a11y-aria-role/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-role/warnings.json
new file mode 100644
index 0000000000..49581ac003
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-role/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-unknown-role",
+		"message": "A11y: Unknown role 'toooltip' (did you mean 'tooltip'?)",
+		"start": {
+			"line": 6,
+			"column": 5
+		},
+		"end": {
+			"line": 6,
+			"column": 20
+		}
+	},
+	{
+		"code": "a11y-unknown-role",
+		"message": "A11y: Unknown role 'toooltip' (did you mean 'tooltip'?)",
+		"start": {
+			"line": 7,
+			"column": 5
+		},
+		"end": {
+			"line": 7,
+			"column": 27
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-aria-unsupported-element/input.svelte b/vitest/compile-time/validator/samples/a11y-aria-unsupported-element/input.svelte
new file mode 100644
index 0000000000..0a674c4284
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-unsupported-element/input.svelte
@@ -0,0 +1,2 @@
+<meta aria-hidden="false">
+<meta role="tooltip">
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-aria-unsupported-element/warnings.json b/vitest/compile-time/validator/samples/a11y-aria-unsupported-element/warnings.json
new file mode 100644
index 0000000000..04891378b0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-aria-unsupported-element/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-aria-attributes",
+		"message": "A11y: <meta> should not have aria-* attributes",
+		"start": {
+			"line": 1,
+			"column": 6
+		},
+		"end": {
+			"line": 1,
+			"column": 25
+		}
+	},
+	{
+		"code": "a11y-misplaced-role",
+		"message": "A11y: <meta> should not have role attribute",
+		"start": {
+			"line": 2,
+			"column": 6
+		},
+		"end": {
+			"line": 2,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-autocomplete-valid/input.svelte b/vitest/compile-time/validator/samples/a11y-autocomplete-valid/input.svelte
new file mode 100644
index 0000000000..17dee6adf1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-autocomplete-valid/input.svelte
@@ -0,0 +1,27 @@
+<script>
+    let dynamic = '';
+</script>
+
+<!-- VALID -->
+<input type="text" />
+<input type="text" autocomplete="name" />
+<input type="text" autocomplete="off" />
+<input type="text" autocomplete="on" />
+<input type="text" autocomplete="billing family-name" />
+<input type="hidden" autocomplete="section-blue shipping street-address" />
+<input type="text" autocomplete="section-somewhere shipping work email" />
+<input type="text" autocomplete="section-somewhere shipping work email webauthn" />
+<input type="text" autocomplete="SECTION-SOMEWHERE SHIPPING WORK EMAIL WEBAUTHN" />
+<input type="TEXT" autocomplete="ON" />
+<input type="email" autocomplete="url" />
+<input type="text" autocomplete="section-blue shipping street-address" />
+<input type="hidden" autocomplete="off" />
+<input type="hidden" autocomplete="on" />
+<input type="text" autocomplete="" />
+<input type="{dynamic}" autocomplete="" />
+<input type="text" autocomplete="{dynamic}" />
+
+<!-- INVALID -->
+<input type="text" autocomplete />
+<input type="text" autocomplete="incorrect" />
+<input type="text" autocomplete="webauthn" />
diff --git a/vitest/compile-time/validator/samples/a11y-autocomplete-valid/warnings.json b/vitest/compile-time/validator/samples/a11y-autocomplete-valid/warnings.json
new file mode 100644
index 0000000000..470cfff1fb
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-autocomplete-valid/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "a11y-autocomplete-valid",
+		"end": {
+			"column": 31,
+			"line": 25
+		},
+		"message": "A11y: The value 'true' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
+		"start": {
+			"column": 19,
+			"line": 25
+		}
+	},
+	{
+		"code": "a11y-autocomplete-valid",
+		"end": {
+			"column": 43,
+			"line": 26
+		},
+		"message": "A11y: The value 'incorrect' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
+		"start": {
+			"column": 19,
+			"line": 26
+		}
+	},
+	{
+		"code": "a11y-autocomplete-valid",
+		"end": {
+			"column": 42,
+			"line": 27
+		},
+		"message": "A11y: The value 'webauthn' is not supported by the attribute 'autocomplete' on element <input type=\"text\">",
+		"start": {
+			"column": 19,
+			"line": 27
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-click-events-have-key-events/input.svelte b/vitest/compile-time/validator/samples/a11y-click-events-have-key-events/input.svelte
new file mode 100644
index 0000000000..3fb1ded53d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-click-events-have-key-events/input.svelte
@@ -0,0 +1,71 @@
+<script>
+	function noop() {}
+
+	let props = {};
+
+	const dynamicTypeValue = "checkbox";
+	const dynamicAriaHiddenValue = "false";
+	const dynamicRole = "button";
+</script>
+
+<!-- should warn -->
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} aria-hidden="false" />
+
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<section on:click={noop} />
+<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<main on:click={noop} />
+<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<article on:click={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<header on:click={noop} />
+<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<footer on:click={noop} />
+
+<!-- should not warn -->
+<div class="foo" />
+
+<a href="http://x.y.z" on:click={noop}>foo</a>
+<button on:click={noop} />
+<select on:click={noop} />
+
+<input type="button" on:click={noop} />
+<input type={dynamicTypeValue} on:click={noop} />
+
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} {...props} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keydown={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keyup={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keypress={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keydown={noop} on:keyup={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keyup={noop} on:keypress={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keypress={noop} on:keydown={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} on:keydown={noop} on:keyup={noop} on:keypress={noop} />
+
+<input on:click={noop} type="hidden" />
+
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} aria-hidden />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} aria-hidden="true" />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} aria-hidden="false" on:keydown={noop} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:click={noop} aria-hidden={dynamicAriaHiddenValue} />
+
+<div on:click={noop} role="presentation" />
+<div on:click={noop} role="none" />
+<div on:click={noop} role={dynamicRole} />
+
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<svelte:element this={Math.random() ? 'button' : 'div'} on:click={noop} />
diff --git a/vitest/compile-time/validator/samples/a11y-click-events-have-key-events/warnings.json b/vitest/compile-time/validator/samples/a11y-click-events-have-key-events/warnings.json
new file mode 100644
index 0000000000..f508c12785
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-click-events-have-key-events/warnings.json
@@ -0,0 +1,86 @@
+[
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 13,
+			"column": 0
+		},
+		"end": {
+			"line": 13,
+			"column": 23
+		}
+	},
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 15,
+			"column": 0
+		},
+		"end": {
+			"line": 15,
+			"column": 43
+		}
+	},
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 18,
+			"column": 0
+		},
+		"end": {
+			"line": 18,
+			"column": 27
+		}
+	},
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 20,
+			"column": 0
+		},
+		"end": {
+			"line": 20,
+			"column": 24
+		}
+	},
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 22,
+			"column": 0
+		},
+		"end": {
+			"line": 22,
+			"column": 27
+		}
+	},
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 24,
+			"column": 0
+		},
+		"end": {
+			"line": 24,
+			"column": 26
+		}
+	},
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"line": 26,
+			"column": 0
+		},
+		"end": {
+			"line": 26,
+			"column": 26
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-contenteditable-element-without-child/errors.json b/vitest/compile-time/validator/samples/a11y-contenteditable-element-without-child/errors.json
new file mode 100644
index 0000000000..2d803d755a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-contenteditable-element-without-child/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-contenteditable-attribute",
+		"message": "'contenteditable' attribute is required for textContent, innerHTML and innerText two-way bindings",
+		"start": {
+			"line": 6,
+			"column": 3
+		},
+		"end": {
+			"line": 6,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-contenteditable-element-without-child/input.svelte b/vitest/compile-time/validator/samples/a11y-contenteditable-element-without-child/input.svelte
new file mode 100644
index 0000000000..0702c3cb45
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-contenteditable-element-without-child/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	let text = 'Hello world';
+</script>
+<p bind:textContent={text} contenteditable="true"></p>
+<p bind:innerHTML={text} contenteditable="true"></p>
+<p bind:innerHTML={text}></p>
diff --git a/vitest/compile-time/validator/samples/a11y-figcaption-in-non-element-block/input.svelte b/vitest/compile-time/validator/samples/a11y-figcaption-in-non-element-block/input.svelte
new file mode 100644
index 0000000000..33e7a891f0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-figcaption-in-non-element-block/input.svelte
@@ -0,0 +1,10 @@
+<script>
+	let caption = 'a foo in its natural habitat';
+</script>
+
+<figure>
+	<img src='foo.jpg' alt='a foo'>
+	{#if caption}
+		<figcaption>{caption}</figcaption>
+	{/if}
+</figure>
diff --git a/vitest/compile-time/validator/samples/a11y-figcaption-in-non-element-block/warnings.json b/vitest/compile-time/validator/samples/a11y-figcaption-in-non-element-block/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-figcaption-in-non-element-block/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/a11y-figcaption-right-place/input.svelte b/vitest/compile-time/validator/samples/a11y-figcaption-right-place/input.svelte
new file mode 100644
index 0000000000..783219c8f8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-figcaption-right-place/input.svelte
@@ -0,0 +1,7 @@
+<figure>
+	<img src='foo.jpg' alt='a foo'>
+
+	<figcaption>
+		a foo in its natural habitat
+	</figcaption>
+</figure>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-figcaption-right-place/warnings.json b/vitest/compile-time/validator/samples/a11y-figcaption-right-place/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-figcaption-right-place/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/a11y-figcaption-wrong-place/input.svelte b/vitest/compile-time/validator/samples/a11y-figcaption-wrong-place/input.svelte
new file mode 100644
index 0000000000..e99d1cc86c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-figcaption-wrong-place/input.svelte
@@ -0,0 +1,19 @@
+<figure>
+	<img src='foo.jpg' alt='a foo'>
+
+	<figcaption>
+		a foo in its natural habitat
+	</figcaption>
+
+	<p>this should not be here</p>
+</figure>
+
+<figure>
+	<img src='foo.jpg' alt='a foo'>
+
+	<div class='markup-for-styling'>
+		<figcaption>
+			this element should be a child of the figure
+		</figcaption>
+	</div>
+</figure>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-figcaption-wrong-place/warnings.json b/vitest/compile-time/validator/samples/a11y-figcaption-wrong-place/warnings.json
new file mode 100644
index 0000000000..c9cac1daf9
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-figcaption-wrong-place/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-structure",
+		"message": "A11y: <figcaption> must be first or last child of <figure>",
+		"start": {
+			"line": 4,
+			"column": 1
+		},
+		"end": {
+			"line": 6,
+			"column": 14
+		}
+	},
+	{
+		"code": "a11y-structure",
+		"message": "A11y: <figcaption> must be an immediate child of <figure>",
+		"start": {
+			"line": 15,
+			"column": 2
+		},
+		"end": {
+			"line": 17,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-heading-has-content/input.svelte b/vitest/compile-time/validator/samples/a11y-heading-has-content/input.svelte
new file mode 100644
index 0000000000..1414af825d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-heading-has-content/input.svelte
@@ -0,0 +1,2 @@
+<h1></h1>
+<h2 aria-hidden>invisible header</h2>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-heading-has-content/warnings.json b/vitest/compile-time/validator/samples/a11y-heading-has-content/warnings.json
new file mode 100644
index 0000000000..ad5f5d4033
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-heading-has-content/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-missing-content",
+		"message": "A11y: <h1> element should have child content",
+		"start": {
+			"line": 1,
+			"column": 0
+		},
+		"end": {
+			"line": 1,
+			"column": 9
+		}
+	},
+	{
+		"code": "a11y-hidden",
+		"message": "A11y: <h2> element should not be hidden",
+		"start": {
+			"line": 2,
+			"column": 4
+		},
+		"end": {
+			"line": 2,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-html-has-lang/input.svelte b/vitest/compile-time/validator/samples/a11y-html-has-lang/input.svelte
new file mode 100644
index 0000000000..ccc238e5d4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-html-has-lang/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	export let language;
+</script>
+
+<html lang="en"></html>
+<html lang="en-US"></html>
+<html lang={language}></html>
+
+<html></html>
diff --git a/vitest/compile-time/validator/samples/a11y-html-has-lang/warnings.json b/vitest/compile-time/validator/samples/a11y-html-has-lang/warnings.json
new file mode 100644
index 0000000000..097e8e88bd
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-html-has-lang/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <html> element should have a lang attribute",
+		"start": {
+			"column": 0,
+			"line": 9
+		},
+		"end": {
+			"line": 9,
+			"column": 13
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-iframe-has-title/input.svelte b/vitest/compile-time/validator/samples/a11y-iframe-has-title/input.svelte
new file mode 100644
index 0000000000..4689a2dcf7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-iframe-has-title/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	export let src;
+</script>
+
+<iframe src={src}></iframe>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-iframe-has-title/warnings.json b/vitest/compile-time/validator/samples/a11y-iframe-has-title/warnings.json
new file mode 100644
index 0000000000..e78523931e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-iframe-has-title/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"message": "A11y: <iframe> element should have a title attribute",
+		"start": {
+			"line": 5,
+			"column": 0
+		},
+		"end": {
+			"line": 5,
+			"column": 27
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-img-redundant-alt/input.svelte b/vitest/compile-time/validator/samples/a11y-img-redundant-alt/input.svelte
new file mode 100644
index 0000000000..a3528a5c41
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-img-redundant-alt/input.svelte
@@ -0,0 +1,9 @@
+<img src="foo" alt="Foo eating a sandwich." />
+<img src="bar" aria-hidden alt="Picture of me taking a photo of an image" />
+<img src="foo" alt="Photo of foo being weird." />
+<img src="bar" alt="Image of me at a bar!" />
+<img src="foo" alt="Picture of baz fixing a bug." />
+<img src="bar" alt="Plant doing photosynthesis in the afternoon" />
+<img src="foo" alt="Picturesque food" />
+<img src="baz" alt={'baz'} />
+<img src="baz" alt />
diff --git a/vitest/compile-time/validator/samples/a11y-img-redundant-alt/warnings.json b/vitest/compile-time/validator/samples/a11y-img-redundant-alt/warnings.json
new file mode 100644
index 0000000000..9ba5a1c96e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-img-redundant-alt/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "a11y-img-redundant-alt",
+		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"end": {
+			"column": 49,
+			"line": 3
+		},
+		"start": {
+			"column": 0,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-img-redundant-alt",
+		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"end": {
+			"column": 45,
+			"line": 4
+		},
+		"start": {
+			"column": 0,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-img-redundant-alt",
+		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"end": {
+			"column": 52,
+			"line": 5
+		},
+		"start": {
+			"column": 0,
+			"line": 5
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-in-foreign-namespace/input.svelte b/vitest/compile-time/validator/samples/a11y-in-foreign-namespace/input.svelte
new file mode 100644
index 0000000000..aeef580c73
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-in-foreign-namespace/input.svelte
@@ -0,0 +1,7 @@
+<svelte:options namespace="foreign" />
+<page>
+    <a>not actually a link</a>
+    <label>This isn't a html label</label>
+    <figure>This is maybe a QT figure</figure>
+</page>
+
diff --git a/vitest/compile-time/validator/samples/a11y-in-foreign-namespace/warnings.json b/vitest/compile-time/validator/samples/a11y-in-foreign-namespace/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-in-foreign-namespace/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/a11y-interactive-supports-focus/input.svelte b/vitest/compile-time/validator/samples/a11y-interactive-supports-focus/input.svelte
new file mode 100644
index 0000000000..9caa9ccfaf
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-interactive-supports-focus/input.svelte
@@ -0,0 +1,32 @@
+<!-- VALID -->
+<div aria-hidden role="button" on:keypress={() => {}} />
+<div aria-disabled role="button" on:keypress={() => {}} />
+<div disabled role="button" on:keypress={() => {}} />
+<div role="presentation" on:keypress={() => {}} />
+<button on:click={() => {}} />
+<div role="menuitem" tabindex="0" on:click={() => {}} on:keypress={() => {}} />
+<div role="button" tabindex="-1" on:click={() => {}} on:keypress={() => {}} />
+
+<!-- INVALID -->
+<div role="button" on:keypress={() => {}} />
+<span role="menuitem" on:keydown={() => {}} />
+<div role="button" on:keyup={() => {}} />
+<span role="menuitem" on:click={() => {}} on:keypress={() => {}} />
+<div role="button" on:contextmenu={() => {}} />
+<span role="menuitem" on:dblclick={() => {}} />
+<div role="button" on:drag={() => {}} />
+<span role="menuitem" on:dragend={() => {}} />
+<div role="button" on:dragenter={() => {}} />
+<span role="menuitem" on:dragexit={() => {}} />
+<div role="button" on:dragleave={() => {}} />
+<span role="menuitem" on:dragover={() => {}} />
+<div role="button" on:dragstart={() => {}} />
+<span role="menuitem" on:drop={() => {}} />
+<div role="button" on:mousedown={() => {}} />
+<span role="menuitem" on:mouseenter={() => {}} />
+<div role="button" on:mouseleave={() => {}} />
+<span role="menuitem" on:mousemove={() => {}} />
+<div role="button" on:mouseout={() => {}} />
+<span role="menuitem" on:mouseover={() => {}} />
+<div role="button" on:mouseup={() => {}} />
+
diff --git a/vitest/compile-time/validator/samples/a11y-interactive-supports-focus/warnings.json b/vitest/compile-time/validator/samples/a11y-interactive-supports-focus/warnings.json
new file mode 100644
index 0000000000..41586b064b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-interactive-supports-focus/warnings.json
@@ -0,0 +1,278 @@
+[
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 44,
+			"line": 11
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 46,
+			"line": 12
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 12
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 41,
+			"line": 13
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 67,
+			"line": 14
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 14
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 47,
+			"line": 15
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 15
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 47,
+			"line": 16
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 16
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 40,
+			"line": 17
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 17
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 46,
+			"line": 18
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 18
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 45,
+			"line": 19
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 19
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 47,
+			"line": 20
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 20
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 45,
+			"line": 21
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 21
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 47,
+			"line": 22
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 22
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 45,
+			"line": 23
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 23
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 43,
+			"line": 24
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 24
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 45,
+			"line": 25
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 25
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 49,
+			"line": 26
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 26
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 46,
+			"line": 27
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 27
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 48,
+			"line": 28
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 28
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 44,
+			"line": 29
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 29
+		}
+	},
+	{
+		"code": "a11y-mouse-events-have-key-events",
+		"end": {
+			"column": 44,
+			"line": 29
+		},
+		"message": "A11y: on:mouseout must be accompanied by on:blur",
+		"start": {
+			"column": 0,
+			"line": 29
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 48,
+			"line": 30
+		},
+		"message": "A11y: Elements with the 'menuitem' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-mouse-events-have-key-events",
+		"end": {
+			"column": 48,
+			"line": 30
+		},
+		"message": "A11y: on:mouseover must be accompanied by on:focus",
+		"start": {
+			"column": 0,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-interactive-supports-focus",
+		"end": {
+			"column": 43,
+			"line": 31
+		},
+		"message": "A11y: Elements with the 'button' interactive role must have a tabindex value.",
+		"start": {
+			"column": 0,
+			"line": 31
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-label-has-associated-control-2/input.svelte b/vitest/compile-time/validator/samples/a11y-label-has-associated-control-2/input.svelte
new file mode 100644
index 0000000000..de26d50782
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-label-has-associated-control-2/input.svelte
@@ -0,0 +1,3 @@
+<label>
+  <slot />
+</label>
diff --git a/vitest/compile-time/validator/samples/a11y-label-has-associated-control-2/warnings.json b/vitest/compile-time/validator/samples/a11y-label-has-associated-control-2/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-label-has-associated-control-2/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/a11y-label-has-associated-control/input.svelte b/vitest/compile-time/validator/samples/a11y-label-has-associated-control/input.svelte
new file mode 100644
index 0000000000..124888c089
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-label-has-associated-control/input.svelte
@@ -0,0 +1,12 @@
+<script>
+  import LabelComponent from './label.svelte'
+</script>
+
+<label>A</label>
+<label for="id">B</label>
+
+<label>C <input type="text" /></label>
+<label>D <button>D</button></label>
+<label>E <span></span></label>
+<label>F {#if true}<input type="text" />{/if}</label>
+<LabelComponent>G <input type="text" /></LabelComponent>
diff --git a/vitest/compile-time/validator/samples/a11y-label-has-associated-control/warnings.json b/vitest/compile-time/validator/samples/a11y-label-has-associated-control/warnings.json
new file mode 100644
index 0000000000..4bbaf6c6c2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-label-has-associated-control/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-label-has-associated-control",
+		"end": {
+			"column": 16,
+			"line": 5
+		},
+		"message": "A11y: A form label must be associated with a control.",
+		"start": {
+			"column": 0,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-label-has-associated-control",
+		"end": {
+			"column": 30,
+			"line": 10
+		},
+		"message": "A11y: A form label must be associated with a control.",
+		"start": {
+			"column": 0,
+			"line": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-media-has-caption/input.svelte b/vitest/compile-time/validator/samples/a11y-media-has-caption/input.svelte
new file mode 100644
index 0000000000..30f9a05f91
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-media-has-caption/input.svelte
@@ -0,0 +1,7 @@
+<video><track kind="captions"/></video>
+<video></video>
+<video><track /></video>
+<audio></audio>
+<video aria-hidden></video>
+<video aria-hidden="false"></video>
+<video aria-hidden="true"></video>
diff --git a/vitest/compile-time/validator/samples/a11y-media-has-caption/warnings.json b/vitest/compile-time/validator/samples/a11y-media-has-caption/warnings.json
new file mode 100644
index 0000000000..a438bbdc0f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-media-has-caption/warnings.json
@@ -0,0 +1,50 @@
+[
+	{
+		"code": "a11y-media-has-caption",
+		"end": {
+			"column": 15,
+			"line": 2
+		},
+		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"start": {
+			"column": 0,
+			"line": 2
+		}
+	},
+	{
+		"code": "a11y-media-has-caption",
+		"end": {
+			"column": 24,
+			"line": 3
+		},
+		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"start": {
+			"column": 0,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-media-has-caption",
+		"end": {
+			"column": 27,
+			"line": 5
+		},
+		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"start": {
+			"column": 0,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-media-has-caption",
+		"end": {
+			"column": 35,
+			"line": 6
+		},
+		"message": "A11y: <video> elements must have a <track kind=\"captions\">",
+		"start": {
+			"column": 0,
+			"line": 6
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-mouse-events-have-key-events/input.svelte b/vitest/compile-time/validator/samples/a11y-mouse-events-have-key-events/input.svelte
new file mode 100644
index 0000000000..493f637c75
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-mouse-events-have-key-events/input.svelte
@@ -0,0 +1,21 @@
+<script>
+	// Even if otherProps contains onBlur and/or onFocus, the rule will still fail.
+	// Props should be passed down explicitly for rule to pass.
+	const otherProps = {
+		onBlur: () => void 0,
+		onFocus: () => void 0
+	};
+</script>
+
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:mouseover={() => void 0} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:mouseover={() => void 0} on:focus={() => void 0} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:mouseover={() => void 0} {...otherProps} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:mouseout={() => void 0} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:mouseout={() => void 0} on:blur={() => void 0} />
+<!-- svelte-ignore a11y-no-static-element-interactions -->
+<div on:mouseout={() => void 0} {...otherProps} />
diff --git a/vitest/compile-time/validator/samples/a11y-mouse-events-have-key-events/warnings.json b/vitest/compile-time/validator/samples/a11y-mouse-events-have-key-events/warnings.json
new file mode 100644
index 0000000000..f81b635593
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-mouse-events-have-key-events/warnings.json
@@ -0,0 +1,50 @@
+[
+	{
+		"code": "a11y-mouse-events-have-key-events",
+		"end": {
+			"column": 35,
+			"line": 11
+		},
+		"message": "A11y: on:mouseover must be accompanied by on:focus",
+		"start": {
+			"column": 0,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-mouse-events-have-key-events",
+		"end": {
+			"column": 51,
+			"line": 15
+		},
+		"message": "A11y: on:mouseover must be accompanied by on:focus",
+		"start": {
+			"column": 0,
+			"line": 15
+		}
+	},
+	{
+		"code": "a11y-mouse-events-have-key-events",
+		"end": {
+			"column": 34,
+			"line": 17
+		},
+		"message": "A11y: on:mouseout must be accompanied by on:blur",
+		"start": {
+			"column": 0,
+			"line": 17
+		}
+	},
+	{
+		"code": "a11y-mouse-events-have-key-events",
+		"end": {
+			"column": 50,
+			"line": 21
+		},
+		"message": "A11y: on:mouseout must be accompanied by on:blur",
+		"start": {
+			"column": 0,
+			"line": 21
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-abstract-roles/input.svelte b/vitest/compile-time/validator/samples/a11y-no-abstract-roles/input.svelte
new file mode 100644
index 0000000000..dbe6bd8581
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-abstract-roles/input.svelte
@@ -0,0 +1,12 @@
+<div role="command"/>
+<div role="composite"/>
+<div role="input"/>
+<div role="landmark"/>
+<div role="range"/>
+<div role="roletype"/>
+<div role="section"/>
+<div role="sectionhead"/>
+<div role="select"/>
+<div role="structure"/>
+<div role="widget"/>
+<div role="window"/>
diff --git a/vitest/compile-time/validator/samples/a11y-no-abstract-roles/warnings.json b/vitest/compile-time/validator/samples/a11y-no-abstract-roles/warnings.json
new file mode 100644
index 0000000000..c17ae461f9
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-abstract-roles/warnings.json
@@ -0,0 +1,146 @@
+[
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 19,
+			"line": 1
+		},
+		"message": "A11y: Abstract role 'command' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 1
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 21,
+			"line": 2
+		},
+		"message": "A11y: Abstract role 'composite' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 2
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 17,
+			"line": 3
+		},
+		"message": "A11y: Abstract role 'input' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 20,
+			"line": 4
+		},
+		"message": "A11y: Abstract role 'landmark' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 17,
+			"line": 5
+		},
+		"message": "A11y: Abstract role 'range' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 20,
+			"line": 6
+		},
+		"message": "A11y: Abstract role 'roletype' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 6
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 19,
+			"line": 7
+		},
+		"message": "A11y: Abstract role 'section' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 7
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 23,
+			"line": 8
+		},
+		"message": "A11y: Abstract role 'sectionhead' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 8
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 18,
+			"line": 9
+		},
+		"message": "A11y: Abstract role 'select' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 9
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 21,
+			"line": 10
+		},
+		"message": "A11y: Abstract role 'structure' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 10
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 18,
+			"line": 11
+		},
+		"message": "A11y: Abstract role 'widget' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 18,
+			"line": 12
+		},
+		"message": "A11y: Abstract role 'window' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 12
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-access-key/input.svelte b/vitest/compile-time/validator/samples/a11y-no-access-key/input.svelte
new file mode 100644
index 0000000000..3191d1479e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-access-key/input.svelte
@@ -0,0 +1 @@
+<div accessKey='z'></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-no-access-key/warnings.json b/vitest/compile-time/validator/samples/a11y-no-access-key/warnings.json
new file mode 100644
index 0000000000..9e1226933b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-access-key/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-accesskey",
+		"message": "A11y: Avoid using accesskey",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-autofocus/input.svelte b/vitest/compile-time/validator/samples/a11y-no-autofocus/input.svelte
new file mode 100644
index 0000000000..769dbe8c5b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-autofocus/input.svelte
@@ -0,0 +1 @@
+<div autofocus></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-no-autofocus/warnings.json b/vitest/compile-time/validator/samples/a11y-no-autofocus/warnings.json
new file mode 100644
index 0000000000..0b002be48e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-autofocus/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-autofocus",
+		"message": "A11y: Avoid using autofocus",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 14
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-distracting-elements/input.svelte b/vitest/compile-time/validator/samples/a11y-no-distracting-elements/input.svelte
new file mode 100644
index 0000000000..cffd2e6412
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-distracting-elements/input.svelte
@@ -0,0 +1,2 @@
+<marquee/>
+<blink/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-no-distracting-elements/warnings.json b/vitest/compile-time/validator/samples/a11y-no-distracting-elements/warnings.json
new file mode 100644
index 0000000000..3714e8037e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-distracting-elements/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-distracting-elements",
+		"message": "A11y: Avoid <marquee> elements",
+		"start": {
+			"line": 1,
+			"column": 0
+		},
+		"end": {
+			"line": 1,
+			"column": 10
+		}
+	},
+	{
+		"code": "a11y-distracting-elements",
+		"message": "A11y: Avoid <blink> elements",
+		"start": {
+			"line": 2,
+			"column": 0
+		},
+		"end": {
+			"line": 2,
+			"column": 8
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-interactive-element-to-noninteractive-role/input.svelte b/vitest/compile-time/validator/samples/a11y-no-interactive-element-to-noninteractive-role/input.svelte
new file mode 100644
index 0000000000..5c9bfd86ed
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-interactive-element-to-noninteractive-role/input.svelte
@@ -0,0 +1,148 @@
+<!-- a -->
+<a href="test" role="article">link</a>
+<a href="test" role="banner">link</a>
+<a href="test" role="complementary">link</a>
+<a href="test" role="img">link</a>
+<a href="test" role="listitem">link</a>
+<a href="test" role="main">link</a>
+<a href="test" role="region">link</a>
+<a href="test" role="tooltip">link</a>
+<a href="test" role="button">link</a>
+
+<!-- button -->
+<button role="article">button</button>
+<button role="banner">button</button>
+<button role="complementary">button</button>
+<button role="img">button</button>
+<button role="listitem">button</button>
+<button role="main">button</button>
+<button role="region">button</button>
+<button role="tooltip">button</button>
+<button role="button">button</button>
+
+<!-- input -->
+<input role="article"/>
+<input role="banner"/>
+<input role="complementary"/>
+<input role="img"/>
+<input role="listitem"/>
+<input role="main"/>
+<input role="region"/>
+<input role="tooltip"/>
+<input role="button"/>
+
+<!-- select -->
+<select role="article"/>
+<select role="banner"/>
+<select role="complementary"/>
+<select role="img"/>
+<select role="listitem"/>
+<select role="main"/>
+<select role="region"/>
+<select role="tooltip"/>
+<select role="button"/>
+
+<!-- textarea -->
+<textarea role="article"/>
+<textarea role="banner"/>
+<textarea role="complementary"/>
+<textarea role="img"/>
+<textarea role="listitem"/>
+<textarea role="main"/>
+<textarea role="region"/>
+<textarea role="tooltip"/>
+<textarea role="button"/>
+
+<!-- HTML elements attributed with an abstract role -->
+<div role="command" />
+<div role="composite" />
+<div role="input" />
+<div role="landmark" />
+<div role="range" />
+<div role="roletype" />
+<div role="section" />
+<div role="sectionhead" />
+<div role="select" />
+<div role="structure" />
+<div role="tablist" />
+<div role="toolbar" />
+<div role="tree" />
+<div role="treegrid" />
+<div role="widget" />
+<div role="window" />
+
+<!-- VALID: div elements assigned an interactive role. -->
+<div role="button" />
+<div role="checkbox" aria-checked={true} />
+<div role="columnheader" />
+<div role="combobox" aria-controls={[]} aria-expanded={true} />
+<div role="grid" />
+<div role="gridcell" />
+<div role="link" />
+<div role="listbox" />
+<div role="menu" />
+<div role="menubar" />
+<div role="menuitem" />
+<div role="menuitemcheckbox" aria-checked />
+<div role="menuitemradio" aria-checked />
+<div role="option" aria-selected />
+<div role="progressbar" />
+<div role="radio" aria-checked />
+<div role="radiogroup" />
+<div role="row" />
+<div role="rowheader" />
+<div role="scrollbar" aria-controls={[]} aria-valuenow={0} />
+<div role="searchbox" />
+<div role="slider" aria-valuenow={0} />
+<div role="spinbutton" />
+<div role="switch" aria-checked />
+<div role="tab" />
+<div role="textbox" />
+<div role="treeitem" aria-selected={true} />
+
+<!-- HTML elements attributed with a non-interactive role -->
+<div role="alert" />
+<div role="alertdialog" />
+<div role="application" />
+<div role="article" />
+<div role="banner" />
+<div role="cell" />
+<div role="complementary" />
+<div role="contentinfo" />
+<div role="definition" />
+<div role="dialog" />
+<div role="directory" />
+<div role="document" />
+<div role="feed" />
+<div role="figure" />
+<div role="form" />
+<div role="group" />
+<div role="heading" aria-level="1" />
+<div role="img" />
+<div role="list" />
+<div role="listitem" />
+<div role="log" />
+<div role="main" />
+<div role="marquee" />
+<div role="math" />
+<div role="navigation" />
+<div role="note" />
+<div role="region" />
+<div role="rowgroup" />
+<div role="search" />
+<div role="separator" />
+<div role="scrollbar" aria-controls="x" aria-valuenow="0" />
+<div role="status" />
+<div role="table" />
+<div role="tabpanel" />
+<div role="term" />
+<div role="timer" />
+<div role="tooltip" />
+
+<!-- not valid -->
+<menuitem role="listitem" />
+<option class="foo" role="listitem" />
+<select class="foo" role="listitem" />
+<summary role="listitem" />
+<textarea class="foo" role="listitem" />
+<tr role="listitem" />
diff --git a/vitest/compile-time/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json b/vitest/compile-time/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json
new file mode 100644
index 0000000000..ae5a06d036
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-interactive-element-to-noninteractive-role/warnings.json
@@ -0,0 +1,710 @@
+[
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 38,
+			"line": 2
+		},
+		"message": "A11y: <a> cannot have role 'article'",
+		"start": {
+			"column": 0,
+			"line": 2
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 37,
+			"line": 3
+		},
+		"message": "A11y: <a> cannot have role 'banner'",
+		"start": {
+			"column": 0,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 44,
+			"line": 4
+		},
+		"message": "A11y: <a> cannot have role 'complementary'",
+		"start": {
+			"column": 0,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 34,
+			"line": 5
+		},
+		"message": "A11y: <a> cannot have role 'img'",
+		"start": {
+			"column": 0,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 39,
+			"line": 6
+		},
+		"message": "A11y: <a> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 6
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 35,
+			"line": 7
+		},
+		"message": "A11y: <a> cannot have role 'main'",
+		"start": {
+			"column": 0,
+			"line": 7
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 37,
+			"line": 8
+		},
+		"message": "A11y: <a> cannot have role 'region'",
+		"start": {
+			"column": 0,
+			"line": 8
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 38,
+			"line": 9
+		},
+		"message": "A11y: <a> cannot have role 'tooltip'",
+		"start": {
+			"column": 0,
+			"line": 9
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 38,
+			"line": 13
+		},
+		"message": "A11y: <button> cannot have role 'article'",
+		"start": {
+			"column": 0,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 37,
+			"line": 14
+		},
+		"message": "A11y: <button> cannot have role 'banner'",
+		"start": {
+			"column": 0,
+			"line": 14
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 44,
+			"line": 15
+		},
+		"message": "A11y: <button> cannot have role 'complementary'",
+		"start": {
+			"column": 0,
+			"line": 15
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 34,
+			"line": 16
+		},
+		"message": "A11y: <button> cannot have role 'img'",
+		"start": {
+			"column": 0,
+			"line": 16
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 39,
+			"line": 17
+		},
+		"message": "A11y: <button> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 17
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 35,
+			"line": 18
+		},
+		"message": "A11y: <button> cannot have role 'main'",
+		"start": {
+			"column": 0,
+			"line": 18
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 37,
+			"line": 19
+		},
+		"message": "A11y: <button> cannot have role 'region'",
+		"start": {
+			"column": 0,
+			"line": 19
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 38,
+			"line": 20
+		},
+		"message": "A11y: <button> cannot have role 'tooltip'",
+		"start": {
+			"column": 0,
+			"line": 20
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 21
+		},
+		"message": "A11y: Redundant role 'button'",
+		"start": {
+			"column": 8,
+			"line": 21
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 23,
+			"line": 24
+		},
+		"message": "A11y: <input> cannot have role 'article'",
+		"start": {
+			"column": 0,
+			"line": 24
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 22,
+			"line": 25
+		},
+		"message": "A11y: <input> cannot have role 'banner'",
+		"start": {
+			"column": 0,
+			"line": 25
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 29,
+			"line": 26
+		},
+		"message": "A11y: <input> cannot have role 'complementary'",
+		"start": {
+			"column": 0,
+			"line": 26
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 19,
+			"line": 27
+		},
+		"message": "A11y: <input> cannot have role 'img'",
+		"start": {
+			"column": 0,
+			"line": 27
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 24,
+			"line": 28
+		},
+		"message": "A11y: <input> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 28
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 20,
+			"line": 29
+		},
+		"message": "A11y: <input> cannot have role 'main'",
+		"start": {
+			"column": 0,
+			"line": 29
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 22,
+			"line": 30
+		},
+		"message": "A11y: <input> cannot have role 'region'",
+		"start": {
+			"column": 0,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 23,
+			"line": 31
+		},
+		"message": "A11y: <input> cannot have role 'tooltip'",
+		"start": {
+			"column": 0,
+			"line": 31
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 24,
+			"line": 35
+		},
+		"message": "A11y: <select> cannot have role 'article'",
+		"start": {
+			"column": 0,
+			"line": 35
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 23,
+			"line": 36
+		},
+		"message": "A11y: <select> cannot have role 'banner'",
+		"start": {
+			"column": 0,
+			"line": 36
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 30,
+			"line": 37
+		},
+		"message": "A11y: <select> cannot have role 'complementary'",
+		"start": {
+			"column": 0,
+			"line": 37
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 20,
+			"line": 38
+		},
+		"message": "A11y: <select> cannot have role 'img'",
+		"start": {
+			"column": 0,
+			"line": 38
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 25,
+			"line": 39
+		},
+		"message": "A11y: <select> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 39
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 21,
+			"line": 40
+		},
+		"message": "A11y: <select> cannot have role 'main'",
+		"start": {
+			"column": 0,
+			"line": 40
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 23,
+			"line": 41
+		},
+		"message": "A11y: <select> cannot have role 'region'",
+		"start": {
+			"column": 0,
+			"line": 41
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 24,
+			"line": 42
+		},
+		"message": "A11y: <select> cannot have role 'tooltip'",
+		"start": {
+			"column": 0,
+			"line": 42
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 26,
+			"line": 46
+		},
+		"message": "A11y: <textarea> cannot have role 'article'",
+		"start": {
+			"column": 0,
+			"line": 46
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 25,
+			"line": 47
+		},
+		"message": "A11y: <textarea> cannot have role 'banner'",
+		"start": {
+			"column": 0,
+			"line": 47
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 32,
+			"line": 48
+		},
+		"message": "A11y: <textarea> cannot have role 'complementary'",
+		"start": {
+			"column": 0,
+			"line": 48
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 22,
+			"line": 49
+		},
+		"message": "A11y: <textarea> cannot have role 'img'",
+		"start": {
+			"column": 0,
+			"line": 49
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 27,
+			"line": 50
+		},
+		"message": "A11y: <textarea> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 50
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 23,
+			"line": 51
+		},
+		"message": "A11y: <textarea> cannot have role 'main'",
+		"start": {
+			"column": 0,
+			"line": 51
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 25,
+			"line": 52
+		},
+		"message": "A11y: <textarea> cannot have role 'region'",
+		"start": {
+			"column": 0,
+			"line": 52
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 26,
+			"line": 53
+		},
+		"message": "A11y: <textarea> cannot have role 'tooltip'",
+		"start": {
+			"column": 0,
+			"line": 53
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 19,
+			"line": 57
+		},
+		"message": "A11y: Abstract role 'command' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 57
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 21,
+			"line": 58
+		},
+		"message": "A11y: Abstract role 'composite' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 58
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 17,
+			"line": 59
+		},
+		"message": "A11y: Abstract role 'input' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 59
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 20,
+			"line": 60
+		},
+		"message": "A11y: Abstract role 'landmark' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 60
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 17,
+			"line": 61
+		},
+		"message": "A11y: Abstract role 'range' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 61
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 20,
+			"line": 62
+		},
+		"message": "A11y: Abstract role 'roletype' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 62
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 19,
+			"line": 63
+		},
+		"message": "A11y: Abstract role 'section' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 63
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 23,
+			"line": 64
+		},
+		"message": "A11y: Abstract role 'sectionhead' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 64
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 18,
+			"line": 65
+		},
+		"message": "A11y: Abstract role 'select' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 65
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 21,
+			"line": 66
+		},
+		"message": "A11y: Abstract role 'structure' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 66
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 18,
+			"line": 71
+		},
+		"message": "A11y: Abstract role 'widget' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 71
+		}
+	},
+	{
+		"code": "a11y-no-abstract-role",
+		"end": {
+			"column": 18,
+			"line": 72
+		},
+		"message": "A11y: Abstract role 'window' is forbidden",
+		"start": {
+			"column": 5,
+			"line": 72
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 28,
+			"line": 143
+		},
+		"message": "A11y: <menuitem> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 143
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 38,
+			"line": 144
+		},
+		"message": "A11y: <option> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 144
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 38,
+			"line": 145
+		},
+		"message": "A11y: <select> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 145
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 27,
+			"line": 146
+		},
+		"message": "A11y: <summary> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 146
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 40,
+			"line": 147
+		},
+		"message": "A11y: <textarea> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 147
+		}
+	},
+	{
+		"code": "a11y-no-interactive-element-to-noninteractive-role",
+		"end": {
+			"column": 22,
+			"line": 148
+		},
+		"message": "A11y: <tr> cannot have role 'listitem'",
+		"start": {
+			"column": 0,
+			"line": 148
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-interactions/input.svelte b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-interactions/input.svelte
new file mode 100644
index 0000000000..91d0ddc382
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-interactions/input.svelte
@@ -0,0 +1,14 @@
+<!-- VALID -->
+<div role="presentation" on:mouseup={() => {}} />
+<div role="button" tabindex="-1" on:click={() => {}} on:keypress={() => {}} />
+<div role="listitem" aria-hidden on:click={() => {}} on:keypress={() => {}} />
+<button on:click={() => {}} />
+<h1 contenteditable="true" on:keydown={() => {}}>Heading</h1>
+<h1>Heading</h1>
+
+<!-- INVALID -->
+<div role="listitem" on:mousedown={() => {}} />
+<h1 on:click={() => {}} on:keydown={() => {}}>Heading</h1>
+<h1 role="banner" on:keyup={() => {}}>Heading</h1>
+<p on:keypress={() => {}} />
+<div role="paragraph" on:mouseup={() => {}} />
diff --git a/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json
new file mode 100644
index 0000000000..c18df9f5b7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-interactions/warnings.json
@@ -0,0 +1,62 @@
+[
+	{
+		"code": "a11y-no-noninteractive-element-interactions",
+		"end": {
+			"column": 47,
+			"line": 10
+		},
+		"message": "A11y: Non-interactive element <div> should not be assigned mouse or keyboard event listeners.",
+		"start": {
+			"column": 0,
+			"line": 10
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-interactions",
+		"end": {
+			"column": 58,
+			"line": 11
+		},
+		"message": "A11y: Non-interactive element <h1> should not be assigned mouse or keyboard event listeners.",
+		"start": {
+			"column": 0,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-interactions",
+		"end": {
+			"column": 50,
+			"line": 12
+		},
+		"message": "A11y: Non-interactive element <h1> should not be assigned mouse or keyboard event listeners.",
+		"start": {
+			"column": 0,
+			"line": 12
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-interactions",
+		"end": {
+			"column": 28,
+			"line": 13
+		},
+		"message": "A11y: Non-interactive element <p> should not be assigned mouse or keyboard event listeners.",
+		"start": {
+			"column": 0,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-interactions",
+		"end": {
+			"column": 46,
+			"line": 14
+		},
+		"message": "A11y: Non-interactive element <div> should not be assigned mouse or keyboard event listeners.",
+		"start": {
+			"column": 0,
+			"line": 14
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-to-interactive-role/input.svelte b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-to-interactive-role/input.svelte
new file mode 100644
index 0000000000..2e4baa5877
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-to-interactive-role/input.svelte
@@ -0,0 +1,109 @@
+<!-- ALL INVALID: HTML elements with interactive role  -->
+<article role="button" />
+<aside role="checkbox" aria-checked={false} />
+<blockquote role="columnheader" />
+<body role="combobox" aria-controls={[]} aria-expanded />
+<br role="grid" />
+<caption role="gridcell" />
+<dd role="link" />
+<details role="listbox" />
+<dir role="menu" />
+<dl role="menubar" />
+<dfn role="menuitem" />
+<dt role="menuitemcheckbox" aria-checked />
+<fieldset role="menuitemradio" aria-checked />
+<figure>
+  <figcaption role="menuitemradio" aria-checked />
+</figure>
+<figure role="option" aria-selected />
+<footer role="radio" aria-checked />
+<form role="radiogroup" />
+<frame role="row" />
+<h1 role="rowheader">Button</h1>
+<h2 role="scrollbar" aria-controls={[]} aria-valuenow={0} >Button</h2>
+<h3 role="searchbox">Button</h3>
+<h4 role="slider" aria-valuenow={0}>Button</h4>
+<h5 role="spinbutton">Button</h5>
+<h6 role="switch" aria-checked>Button</h6>
+<hr role="tab" />
+<img role="tabpanel" alt="tabpanel" />
+<label role="textbox" />
+<legend role="toolbar" />
+<li role="tree" />
+<main role="treegrid" />
+<mark role="treeitem" aria-selected />
+<marquee role="doc-backlink" />
+<menu role="doc-biblioref" />
+<meter role="doc-glossref" />
+<nav role="doc-noteref" />
+<ol role="button" />
+<optgroup role="treeitem" aria-selected />
+<output role="treegrid" />
+<p role="columnheader" />
+<pre role="tree" />
+<progress role="combobox" aria-controls={[]} aria-expanded />
+<ruby role="toolbar" />
+<section role="radio" aria-label="radio" aria-checked />
+<table role="menu" />
+<tbody role="searchbox" />
+<td role="button" />
+<tfoot role="listbox" />
+<thead role="slider" aria-valuenow={0} />
+<time role="doc-backlink" />
+<ul role="spinbutton" />
+
+<!-- VALID under recommended settings, INVALID under strict settings: ul, ol, li has interactive roles -->
+<!-- ul -->
+<ul role="menu" />
+<ul role="menubar" />
+<ul role="radiogroup" />
+<ul role="tablist" />
+<ul role="tree" />
+<ul role="treegrid" />
+<!-- ol -->
+<ol role="menu" />
+<ol role="menubar" />
+<ol role="radiogroup" />
+<ol role="tablist" />
+<ol role="tree" />
+<ol role="treegrid" />
+<!-- li -->
+<li role="tab" />
+<li role="menuitem" />
+<li role="row" />
+<li role="treeitem" aria-selected={false} />
+
+<!-- VALID: div elements assigned an interactive role. -->
+<div role="button" />
+<div role="checkbox" aria-checked={true} />
+<div role="columnheader" />
+<div role="combobox" aria-controls={[]} aria-expanded={true} />
+<div role="grid" />
+<div role="gridcell" />
+<div role="link" />
+<div role="listbox" />
+<div role="menu" />
+<div role="menubar" />
+<div role="menuitem" />
+<div role="menuitemcheckbox" aria-checked />
+<div role="menuitemradio" aria-checked />
+<div role="option" aria-selected />
+<div role="progressbar" />
+<div role="radio" aria-checked />
+<div role="radiogroup" />
+<div role="row" />
+<div role="rowheader" />
+<div role="scrollbar" aria-controls={[]} aria-valuenow={0} />
+<div role="searchbox" />
+<div role="slider" aria-valuenow={0} />
+<div role="spinbutton" />
+<div role="switch" aria-checked />
+<div role="tab" />
+<div role="textbox" />
+<div role="treeitem" aria-selected={true} />
+
+<!-- VALID: HTML elements attributed with a non-interactive role -->
+<div role="alert" />
+<div role="document" />
+<div role="separator" />
+<div role="timer" />
diff --git a/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json
new file mode 100644
index 0000000000..d29af47907
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-noninteractive-element-to-interactive-role/warnings.json
@@ -0,0 +1,626 @@
+[
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 25,
+			"line": 2
+		},
+		"message": "A11y: Non-interactive element <article> cannot have interactive role 'button'",
+		"start": {
+			"column": 0,
+			"line": 2
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 46,
+			"line": 3
+		},
+		"message": "A11y: Non-interactive element <aside> cannot have interactive role 'checkbox'",
+		"start": {
+			"column": 0,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 34,
+			"line": 4
+		},
+		"message": "A11y: Non-interactive element <blockquote> cannot have interactive role 'columnheader'",
+		"start": {
+			"column": 0,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 57,
+			"line": 5
+		},
+		"message": "A11y: Non-interactive element <body> cannot have interactive role 'combobox'",
+		"start": {
+			"column": 0,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 18,
+			"line": 6
+		},
+		"message": "A11y: Non-interactive element <br> cannot have interactive role 'grid'",
+		"start": {
+			"column": 0,
+			"line": 6
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 27,
+			"line": 7
+		},
+		"message": "A11y: Non-interactive element <caption> cannot have interactive role 'gridcell'",
+		"start": {
+			"column": 0,
+			"line": 7
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 18,
+			"line": 8
+		},
+		"message": "A11y: Non-interactive element <dd> cannot have interactive role 'link'",
+		"start": {
+			"column": 0,
+			"line": 8
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 26,
+			"line": 9
+		},
+		"message": "A11y: Non-interactive element <details> cannot have interactive role 'listbox'",
+		"start": {
+			"column": 0,
+			"line": 9
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 19,
+			"line": 10
+		},
+		"message": "A11y: Non-interactive element <dir> cannot have interactive role 'menu'",
+		"start": {
+			"column": 0,
+			"line": 10
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 21,
+			"line": 11
+		},
+		"message": "A11y: Non-interactive element <dl> cannot have interactive role 'menubar'",
+		"start": {
+			"column": 0,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 23,
+			"line": 12
+		},
+		"message": "A11y: Non-interactive element <dfn> cannot have interactive role 'menuitem'",
+		"start": {
+			"column": 0,
+			"line": 12
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 43,
+			"line": 13
+		},
+		"message": "A11y: Non-interactive element <dt> cannot have interactive role 'menuitemcheckbox'",
+		"start": {
+			"column": 0,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 46,
+			"line": 14
+		},
+		"message": "A11y: Non-interactive element <fieldset> cannot have interactive role 'menuitemradio'",
+		"start": {
+			"column": 0,
+			"line": 14
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 50,
+			"line": 16
+		},
+		"message": "A11y: Non-interactive element <figcaption> cannot have interactive role 'menuitemradio'",
+		"start": {
+			"column": 2,
+			"line": 16
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 38,
+			"line": 18
+		},
+		"message": "A11y: Non-interactive element <figure> cannot have interactive role 'option'",
+		"start": {
+			"column": 0,
+			"line": 18
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 36,
+			"line": 19
+		},
+		"message": "A11y: Non-interactive element <footer> cannot have interactive role 'radio'",
+		"start": {
+			"column": 0,
+			"line": 19
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 26,
+			"line": 20
+		},
+		"message": "A11y: Non-interactive element <form> cannot have interactive role 'radiogroup'",
+		"start": {
+			"column": 0,
+			"line": 20
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 20,
+			"line": 21
+		},
+		"message": "A11y: Non-interactive element <frame> cannot have interactive role 'row'",
+		"start": {
+			"column": 0,
+			"line": 21
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 32,
+			"line": 22
+		},
+		"message": "A11y: Non-interactive element <h1> cannot have interactive role 'rowheader'",
+		"start": {
+			"column": 0,
+			"line": 22
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 70,
+			"line": 23
+		},
+		"message": "A11y: Non-interactive element <h2> cannot have interactive role 'scrollbar'",
+		"start": {
+			"column": 0,
+			"line": 23
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 32,
+			"line": 24
+		},
+		"message": "A11y: Non-interactive element <h3> cannot have interactive role 'searchbox'",
+		"start": {
+			"column": 0,
+			"line": 24
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 47,
+			"line": 25
+		},
+		"message": "A11y: Non-interactive element <h4> cannot have interactive role 'slider'",
+		"start": {
+			"column": 0,
+			"line": 25
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 33,
+			"line": 26
+		},
+		"message": "A11y: Non-interactive element <h5> cannot have interactive role 'spinbutton'",
+		"start": {
+			"column": 0,
+			"line": 26
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 42,
+			"line": 27
+		},
+		"message": "A11y: Non-interactive element <h6> cannot have interactive role 'switch'",
+		"start": {
+			"column": 0,
+			"line": 27
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 17,
+			"line": 28
+		},
+		"message": "A11y: Non-interactive element <hr> cannot have interactive role 'tab'",
+		"start": {
+			"column": 0,
+			"line": 28
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 38,
+			"line": 29
+		},
+		"message": "A11y: Non-interactive element <img> cannot have interactive role 'tabpanel'",
+		"start": {
+			"column": 0,
+			"line": 29
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 24,
+			"line": 30
+		},
+		"message": "A11y: Non-interactive element <label> cannot have interactive role 'textbox'",
+		"start": {
+			"column": 0,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-label-has-associated-control",
+		"end": {
+			"column": 24,
+			"line": 30
+		},
+		"message": "A11y: A form label must be associated with a control.",
+		"start": {
+			"column": 0,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 25,
+			"line": 31
+		},
+		"message": "A11y: Non-interactive element <legend> cannot have interactive role 'toolbar'",
+		"start": {
+			"column": 0,
+			"line": 31
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 18,
+			"line": 32
+		},
+		"message": "A11y: Non-interactive element <li> cannot have interactive role 'tree'",
+		"start": {
+			"column": 0,
+			"line": 32
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 24,
+			"line": 33
+		},
+		"message": "A11y: Non-interactive element <main> cannot have interactive role 'treegrid'",
+		"start": {
+			"column": 0,
+			"line": 33
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 38,
+			"line": 34
+		},
+		"message": "A11y: Non-interactive element <mark> cannot have interactive role 'treeitem'",
+		"start": {
+			"column": 0,
+			"line": 34
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 31,
+			"line": 35
+		},
+		"message": "A11y: Non-interactive element <marquee> cannot have interactive role 'doc-backlink'",
+		"start": {
+			"column": 0,
+			"line": 35
+		}
+	},
+	{
+		"code": "a11y-distracting-elements",
+		"end": {
+			"column": 31,
+			"line": 35
+		},
+		"message": "A11y: Avoid <marquee> elements",
+		"start": {
+			"column": 0,
+			"line": 35
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 29,
+			"line": 36
+		},
+		"message": "A11y: Non-interactive element <menu> cannot have interactive role 'doc-biblioref'",
+		"start": {
+			"column": 0,
+			"line": 36
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 29,
+			"line": 37
+		},
+		"message": "A11y: Non-interactive element <meter> cannot have interactive role 'doc-glossref'",
+		"start": {
+			"column": 0,
+			"line": 37
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 26,
+			"line": 38
+		},
+		"message": "A11y: Non-interactive element <nav> cannot have interactive role 'doc-noteref'",
+		"start": {
+			"column": 0,
+			"line": 38
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 20,
+			"line": 39
+		},
+		"message": "A11y: Non-interactive element <ol> cannot have interactive role 'button'",
+		"start": {
+			"column": 0,
+			"line": 39
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 42,
+			"line": 40
+		},
+		"message": "A11y: Non-interactive element <optgroup> cannot have interactive role 'treeitem'",
+		"start": {
+			"column": 0,
+			"line": 40
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 26,
+			"line": 41
+		},
+		"message": "A11y: Non-interactive element <output> cannot have interactive role 'treegrid'",
+		"start": {
+			"column": 0,
+			"line": 41
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 25,
+			"line": 42
+		},
+		"message": "A11y: Non-interactive element <p> cannot have interactive role 'columnheader'",
+		"start": {
+			"column": 0,
+			"line": 42
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 19,
+			"line": 43
+		},
+		"message": "A11y: Non-interactive element <pre> cannot have interactive role 'tree'",
+		"start": {
+			"column": 0,
+			"line": 43
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 61,
+			"line": 44
+		},
+		"message": "A11y: Non-interactive element <progress> cannot have interactive role 'combobox'",
+		"start": {
+			"column": 0,
+			"line": 44
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 23,
+			"line": 45
+		},
+		"message": "A11y: Non-interactive element <ruby> cannot have interactive role 'toolbar'",
+		"start": {
+			"column": 0,
+			"line": 45
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 56,
+			"line": 46
+		},
+		"message": "A11y: Non-interactive element <section> cannot have interactive role 'radio'",
+		"start": {
+			"column": 0,
+			"line": 46
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 21,
+			"line": 47
+		},
+		"message": "A11y: Non-interactive element <table> cannot have interactive role 'menu'",
+		"start": {
+			"column": 0,
+			"line": 47
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 26,
+			"line": 48
+		},
+		"message": "A11y: Non-interactive element <tbody> cannot have interactive role 'searchbox'",
+		"start": {
+			"column": 0,
+			"line": 48
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 20,
+			"line": 49
+		},
+		"message": "A11y: Non-interactive element <td> cannot have interactive role 'button'",
+		"start": {
+			"column": 0,
+			"line": 49
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 24,
+			"line": 50
+		},
+		"message": "A11y: Non-interactive element <tfoot> cannot have interactive role 'listbox'",
+		"start": {
+			"column": 0,
+			"line": 50
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 41,
+			"line": 51
+		},
+		"message": "A11y: Non-interactive element <thead> cannot have interactive role 'slider'",
+		"start": {
+			"column": 0,
+			"line": 51
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 28,
+			"line": 52
+		},
+		"message": "A11y: Non-interactive element <time> cannot have interactive role 'doc-backlink'",
+		"start": {
+			"column": 0,
+			"line": 52
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-element-to-interactive-role",
+		"end": {
+			"column": 24,
+			"line": 53
+		},
+		"message": "A11y: Non-interactive element <ul> cannot have interactive role 'spinbutton'",
+		"start": {
+			"column": 0,
+			"line": 53
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-noninteractive-tabindex/input.svelte b/vitest/compile-time/validator/samples/a11y-no-noninteractive-tabindex/input.svelte
new file mode 100644
index 0000000000..3b1fd14120
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-noninteractive-tabindex/input.svelte
@@ -0,0 +1,16 @@
+<!-- valid -->
+<button />
+<button tabindex='0' />
+<button tabindex='{0}' />
+<div />
+<div tabindex='-1' />
+<div role='button' tabindex='0' />
+<div role='article' tabindex='-1' />
+<article tabindex='-1' />
+<div role="tabpanel" tabindex='0' />
+<svelte:element this={Math.random() ? 'button' : 'div'} tabindex="0" />
+<!-- invalid -->
+<div tabindex='0' />
+<div role='article' tabindex='0' />
+<article tabindex='0' />
+<article tabindex='{0}' />
diff --git a/vitest/compile-time/validator/samples/a11y-no-noninteractive-tabindex/warnings.json b/vitest/compile-time/validator/samples/a11y-no-noninteractive-tabindex/warnings.json
new file mode 100644
index 0000000000..73f00429df
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-noninteractive-tabindex/warnings.json
@@ -0,0 +1,50 @@
+[
+	{
+		"code": "a11y-no-noninteractive-tabindex",
+		"end": {
+			"column": 20,
+			"line": 13
+		},
+		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"start": {
+			"column": 0,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-tabindex",
+		"end": {
+			"column": 35,
+			"line": 14
+		},
+		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"start": {
+			"column": 0,
+			"line": 14
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-tabindex",
+		"end": {
+			"column": 24,
+			"line": 15
+		},
+		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"start": {
+			"column": 0,
+			"line": 15
+		}
+	},
+	{
+		"code": "a11y-no-noninteractive-tabindex",
+		"end": {
+			"column": 26,
+			"line": 16
+		},
+		"message": "A11y: noninteractive element cannot have nonnegative tabIndex value",
+		"start": {
+			"column": 0,
+			"line": 16
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-redundant-roles/input.svelte b/vitest/compile-time/validator/samples/a11y-no-redundant-roles/input.svelte
new file mode 100644
index 0000000000..537d5c0fd3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-redundant-roles/input.svelte
@@ -0,0 +1,48 @@
+<a href="/" role="link">a link</a>
+<article role="article" />
+<aside role="complementary" />
+<body role="document" />
+<button role="button" />
+<datalist role="listbox" />
+<dd role="definition" />
+<dfn role="term" />
+<details role="group" />
+<dialog role="dialog" />
+<dt role="term" />
+<fieldset role="group" />
+<figure role="figure" />
+<form role="form">foo</form>
+<h1 role="heading">heading</h1>
+<h2 role="heading">heading</h2>
+<h3 role="heading">heading</h3>
+<h4 role="heading">heading</h4>
+<h5 role="heading">heading</h5>
+<h6 role="heading">heading</h6>
+<hr role="separator" />
+<li role="listitem" />
+<link role="link" />
+<main role="main"></main>
+<menu role="list" />
+<nav role="navigation" />
+<ol role="list" />
+<optgroup role="group" />
+<option role="option" />
+<output role="status" />
+<progress role="progressbar" />
+<section role="region" />
+<summary role="button" />
+<table role="table" />
+<tbody role="rowgroup" />
+<textarea role="textbox" />
+<tfoot role="rowgroup" />
+<thead role="rowgroup" />
+<tr role="row" />
+<ul role="list" />
+
+<!-- Tested header/footer not nested in section/article -->
+<header role="banner"></header>
+<footer role="contentinfo"></footer>
+
+<!-- Allowed -->
+<!-- svelte-ignore a11y-no-noninteractive-element-to-interactive-role -->
+<menu role="menu" />
diff --git a/vitest/compile-time/validator/samples/a11y-no-redundant-roles/warnings.json b/vitest/compile-time/validator/samples/a11y-no-redundant-roles/warnings.json
new file mode 100644
index 0000000000..4fcd60385e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-redundant-roles/warnings.json
@@ -0,0 +1,506 @@
+[
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 23,
+			"line": 1
+		},
+		"message": "A11y: Redundant role 'link'",
+		"start": {
+			"column": 12,
+			"line": 1
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 23,
+			"line": 2
+		},
+		"message": "A11y: Redundant role 'article'",
+		"start": {
+			"column": 9,
+			"line": 2
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 27,
+			"line": 3
+		},
+		"message": "A11y: Redundant role 'complementary'",
+		"start": {
+			"column": 7,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 4
+		},
+		"message": "A11y: Redundant role 'document'",
+		"start": {
+			"column": 6,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 5
+		},
+		"message": "A11y: Redundant role 'button'",
+		"start": {
+			"column": 8,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 24,
+			"line": 6
+		},
+		"message": "A11y: Redundant role 'listbox'",
+		"start": {
+			"column": 10,
+			"line": 6
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 7
+		},
+		"message": "A11y: Redundant role 'definition'",
+		"start": {
+			"column": 4,
+			"line": 7
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 16,
+			"line": 8
+		},
+		"message": "A11y: Redundant role 'term'",
+		"start": {
+			"column": 5,
+			"line": 8
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 9
+		},
+		"message": "A11y: Redundant role 'group'",
+		"start": {
+			"column": 9,
+			"line": 9
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 10
+		},
+		"message": "A11y: Redundant role 'dialog'",
+		"start": {
+			"column": 8,
+			"line": 10
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 15,
+			"line": 11
+		},
+		"message": "A11y: Redundant role 'term'",
+		"start": {
+			"column": 4,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 12
+		},
+		"message": "A11y: Redundant role 'group'",
+		"start": {
+			"column": 10,
+			"line": 12
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 13
+		},
+		"message": "A11y: Redundant role 'figure'",
+		"start": {
+			"column": 8,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 17,
+			"line": 14
+		},
+		"message": "A11y: Redundant role 'form'",
+		"start": {
+			"column": 6,
+			"line": 14
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 18,
+			"line": 15
+		},
+		"message": "A11y: Redundant role 'heading'",
+		"start": {
+			"column": 4,
+			"line": 15
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 18,
+			"line": 16
+		},
+		"message": "A11y: Redundant role 'heading'",
+		"start": {
+			"column": 4,
+			"line": 16
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 18,
+			"line": 17
+		},
+		"message": "A11y: Redundant role 'heading'",
+		"start": {
+			"column": 4,
+			"line": 17
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 18,
+			"line": 18
+		},
+		"message": "A11y: Redundant role 'heading'",
+		"start": {
+			"column": 4,
+			"line": 18
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 18,
+			"line": 19
+		},
+		"message": "A11y: Redundant role 'heading'",
+		"start": {
+			"column": 4,
+			"line": 19
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 18,
+			"line": 20
+		},
+		"message": "A11y: Redundant role 'heading'",
+		"start": {
+			"column": 4,
+			"line": 20
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 20,
+			"line": 21
+		},
+		"message": "A11y: Redundant role 'separator'",
+		"start": {
+			"column": 4,
+			"line": 21
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 19,
+			"line": 22
+		},
+		"message": "A11y: Redundant role 'listitem'",
+		"start": {
+			"column": 4,
+			"line": 22
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 17,
+			"line": 23
+		},
+		"message": "A11y: Redundant role 'link'",
+		"start": {
+			"column": 6,
+			"line": 23
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 17,
+			"line": 24
+		},
+		"message": "A11y: Redundant role 'main'",
+		"start": {
+			"column": 6,
+			"line": 24
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 17,
+			"line": 25
+		},
+		"message": "A11y: Redundant role 'list'",
+		"start": {
+			"column": 6,
+			"line": 25
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 26
+		},
+		"message": "A11y: Redundant role 'navigation'",
+		"start": {
+			"column": 5,
+			"line": 26
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 15,
+			"line": 27
+		},
+		"message": "A11y: Redundant role 'list'",
+		"start": {
+			"column": 4,
+			"line": 27
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 28
+		},
+		"message": "A11y: Redundant role 'group'",
+		"start": {
+			"column": 10,
+			"line": 28
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 29
+		},
+		"message": "A11y: Redundant role 'option'",
+		"start": {
+			"column": 8,
+			"line": 29
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 30
+		},
+		"message": "A11y: Redundant role 'status'",
+		"start": {
+			"column": 8,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 28,
+			"line": 31
+		},
+		"message": "A11y: Redundant role 'progressbar'",
+		"start": {
+			"column": 10,
+			"line": 31
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 32
+		},
+		"message": "A11y: Redundant role 'region'",
+		"start": {
+			"column": 9,
+			"line": 32
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 33
+		},
+		"message": "A11y: Redundant role 'button'",
+		"start": {
+			"column": 9,
+			"line": 33
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 19,
+			"line": 34
+		},
+		"message": "A11y: Redundant role 'table'",
+		"start": {
+			"column": 7,
+			"line": 34
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 35
+		},
+		"message": "A11y: Redundant role 'rowgroup'",
+		"start": {
+			"column": 7,
+			"line": 35
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 24,
+			"line": 36
+		},
+		"message": "A11y: Redundant role 'textbox'",
+		"start": {
+			"column": 10,
+			"line": 36
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 37
+		},
+		"message": "A11y: Redundant role 'rowgroup'",
+		"start": {
+			"column": 7,
+			"line": 37
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 22,
+			"line": 38
+		},
+		"message": "A11y: Redundant role 'rowgroup'",
+		"start": {
+			"column": 7,
+			"line": 38
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 14,
+			"line": 39
+		},
+		"message": "A11y: Redundant role 'row'",
+		"start": {
+			"column": 4,
+			"line": 39
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 15,
+			"line": 40
+		},
+		"message": "A11y: Redundant role 'list'",
+		"start": {
+			"column": 4,
+			"line": 40
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 21,
+			"line": 43
+		},
+		"message": "A11y: Redundant role 'banner'",
+		"start": {
+			"column": 8,
+			"line": 43
+		}
+	},
+	{
+		"code": "a11y-no-redundant-roles",
+		"end": {
+			"column": 26,
+			"line": 44
+		},
+		"message": "A11y: Redundant role 'contentinfo'",
+		"start": {
+			"column": 8,
+			"line": 44
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-no-static-element-interactions/input.svelte b/vitest/compile-time/validator/samples/a11y-no-static-element-interactions/input.svelte
new file mode 100644
index 0000000000..bb4c5e3047
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-static-element-interactions/input.svelte
@@ -0,0 +1,19 @@
+<script>
+	const dynamicRole = "button";
+</script>
+
+<!-- valid -->
+<button on:click={() => {}} />
+<!-- svelte-ignore a11y-interactive-supports-focus -->
+<div on:keydown={() => {}} role="button" />
+<input type="text" on:click={() => {}} />
+<div on:copy={() => {}} />
+<a href="/foo" on:click={() => {}}>link</a>
+<div role={dynamicRole} on:click={() => {}} />
+<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<footer on:keydown={() => {}} />
+
+<!-- invalid -->
+<div on:keydown={() => {}} />
+<!-- svelte-ignore a11y-missing-attribute -->
+<a on:mousedown={() => {}} on:mouseup={() => {}} on:copy={() => {}}>link</a>
diff --git a/vitest/compile-time/validator/samples/a11y-no-static-element-interactions/warnings.json b/vitest/compile-time/validator/samples/a11y-no-static-element-interactions/warnings.json
new file mode 100644
index 0000000000..8ca74b7a1b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-no-static-element-interactions/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-no-static-element-interactions",
+		"end": {
+			"column": 29,
+			"line": 17
+		},
+		"message": "A11y: <div> with keydown handler must have an ARIA role",
+		"start": {
+			"column": 0,
+			"line": 17
+		}
+	},
+	{
+		"code": "a11y-no-static-element-interactions",
+		"end": {
+			"column": 76,
+			"line": 19
+		},
+		"message": "A11y: <a> with mousedown, mouseup handlers must have an ARIA role",
+		"start": {
+			"column": 0,
+			"line": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-not-on-components/input.svelte b/vitest/compile-time/validator/samples/a11y-not-on-components/input.svelte
new file mode 100644
index 0000000000..c7673a67ed
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-not-on-components/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	import Widget from './Widget.svelte';
+</script>
+
+<Widget scope="foo">
+	<input autofocus>
+</Widget>
diff --git a/vitest/compile-time/validator/samples/a11y-not-on-components/warnings.json b/vitest/compile-time/validator/samples/a11y-not-on-components/warnings.json
new file mode 100644
index 0000000000..d79141b22f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-not-on-components/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-autofocus",
+		"message": "A11y: Avoid using autofocus",
+		"start": {
+			"column": 8,
+			"line": 6
+		},
+		"end": {
+			"line": 6,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-role-has-required-aria-props/input.svelte b/vitest/compile-time/validator/samples/a11y-role-has-required-aria-props/input.svelte
new file mode 100644
index 0000000000..e2afc62029
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-role-has-required-aria-props/input.svelte
@@ -0,0 +1,11 @@
+<div role="heading"></div>
+<span role="checkbox"></span>
+<div role="meter"></div>
+<div role="scrollbar"></div>
+
+<div role="heading" aria-level="1"></div>
+<span role="checkbox" aria-checked="false"></span>
+<div role="meter" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
+<div role="scrollbar" aria-controls="panel" aria-valuenow="50"></div>
+<input role="switch" type="checkbox" />
+<svelte:element this={Math.random() ? 'input' : 'div'} role="checkbox" />
diff --git a/vitest/compile-time/validator/samples/a11y-role-has-required-aria-props/warnings.json b/vitest/compile-time/validator/samples/a11y-role-has-required-aria-props/warnings.json
new file mode 100644
index 0000000000..17ecda6c1c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-role-has-required-aria-props/warnings.json
@@ -0,0 +1,50 @@
+[
+	{
+		"code": "a11y-role-has-required-aria-props",
+		"message": "A11y: Elements with the ARIA role \"heading\" must have the following attributes defined: \"aria-level\"",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 19
+		}
+	},
+	{
+		"code": "a11y-role-has-required-aria-props",
+		"message": "A11y: Elements with the ARIA role \"checkbox\" must have the following attributes defined: \"aria-checked\"",
+		"start": {
+			"line": 2,
+			"column": 6
+		},
+		"end": {
+			"line": 2,
+			"column": 21
+		}
+	},
+	{
+		"code": "a11y-role-has-required-aria-props",
+		"message": "A11y: Elements with the ARIA role \"meter\" must have the following attributes defined: \"aria-valuenow\"",
+		"start": {
+			"line": 3,
+			"column": 5
+		},
+		"end": {
+			"line": 3,
+			"column": 17
+		}
+	},
+	{
+		"code": "a11y-role-has-required-aria-props",
+		"message": "A11y: Elements with the ARIA role \"scrollbar\" must have the following attributes defined: \"aria-controls\", \"aria-valuenow\"",
+		"start": {
+			"column": 5,
+			"line": 4
+		},
+		"end": {
+			"column": 21,
+			"line": 4
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-role-supports-aria-props/input.svelte b/vitest/compile-time/validator/samples/a11y-role-supports-aria-props/input.svelte
new file mode 100644
index 0000000000..353069dc06
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-role-supports-aria-props/input.svelte
@@ -0,0 +1,371 @@
+<!-- INVALID -->
+<a aria-setsize="0" href="/">Link</a>
+<area aria-pressed alt="" />
+<article aria-autocomplete="inline" />
+<aside aria-modal />
+<body aria-invalid />
+<button aria-valuemax="0" />
+<datalist aria-valuenow="0" />
+<dd aria-rowindex="0" />
+<dfn aria-colcount="0" />
+<dialog aria-posinset="0" />
+<details aria-orientation="undefined" />
+<dt aria-valuemin="0" />
+<fieldset aria-orientation="undefined" />
+<form aria-disabled />
+<h1 aria-selected>H1</h1>
+<h2 aria-selected>H2</h2>
+<h3 aria-expanded>H3</h3>
+<h4 aria-valuemin="0">H4</h4>
+<h5 aria-readonly>H5</h5>
+<h6 aria-valuemin="0">H6</h6>
+<hr aria-required />
+<img aria-level="0" alt="invalid aria" />
+<li aria-required />
+<link aria-rowcount="0" />
+<menu aria-valuemin="0" />
+<meter aria-colspan="0" />
+<nav aria-valuetext="" />
+<ol aria-sort="none" />
+<option aria-invalid />
+<optgroup aria-sort="none" />
+<output aria-multiline />
+<progress aria-rowcount="0" />
+<section aria-invalid />
+<summary aria-rowcount="0" />
+<tbody aria-colspan="0" />
+<textarea aria-valuenow="0" />
+<tfoot aria-required />
+<thead aria-valuemin="0" />
+<tr aria-pressed />
+<ul aria-multiselectable />
+
+<div role="alert" aria-colspan="0" />
+<div role="alertdialog" aria-autocomplete="inline" />
+<div role="application" aria-required />
+<div role="article" aria-multiline />
+<div role="banner" aria-autocomplete="inline" />
+<div role="blockquote" aria-valuetext="" />
+<div role="button" aria-colspan="0" />
+<div role="caption" aria-setsize="0" />
+<div role="cell" aria-multiline />
+<div role="checkbox" aria-multiline aria-checked />
+<div role="code" aria-invalid />
+<div role="columnheader" aria-colcount="0" />
+<div role="combobox" aria-multiselectable aria-controls={[]} aria-expanded />
+<div role="complementary" aria-readonly />
+<div role="contentinfo" aria-valuetext="" />
+<div role="definition" aria-multiline />
+<div role="deletion" aria-expanded />
+<div role="dialog" aria-multiline />
+<div role="directory" aria-rowcount="0" />
+<div role="document" aria-valuemin="0" />
+<div role="emphasis" aria-rowindex="0" />
+<div role="feed" aria-colindex="0" />
+<div role="figure" aria-valuemax="0" />
+<div role="form" aria-readonly />
+<div role="generic" aria-valuemax="0" />
+<div role="grid" aria-checked />
+<div role="gridcell" aria-level="0" />
+<div role="group" aria-colspan="0" />
+<div role="heading" aria-activedescendant="id" tabindex="-1" aria-level="0" />
+<div role="insertion" aria-errormessage="error" />
+<div role="link" aria-multiline />
+<div role="list" aria-selected />
+<div role="listbox" aria-haspopup />
+<div role="listitem" aria-activedescendant="id" tabindex="-1" />
+<div role="log" aria-required />
+<div role="main" aria-sort="none" />
+<div role="marquee" aria-autocomplete="inline" />
+<div role="math" aria-multiline />
+<div role="menu" aria-checked />
+<div role="menubar" aria-errormessage="error" />
+<div role="menuitem" aria-checked />
+<div role="menuitemcheckbox" aria-pressed aria-checked="false" />
+<div role="menuitemradio" aria-rowspan="0" aria-checked="false" />
+<div role="meter" aria-valuenow="0" aria-haspopup />
+<div role="navigation" aria-expanded />
+<div role="none" aria-placeholder="" />
+<div role="note" aria-modal />
+<div role="option" aria-selected aria-valuemax="0" />
+<div role="paragraph" aria-level="0" />
+<div role="presentation" aria-disabled />
+<div role="progressbar" aria-expanded />
+<div role="radio" aria-checked aria-rowindex="0" />
+<div role="radiogroup" aria-valuenow="0" />
+<div role="region" aria-rowspan="0" />
+<div role="row" aria-required />
+<div role="rowgroup" aria-expanded />
+<div role="rowheader" aria-activedescendant="id" tabindex="0" />
+<div role="scrollbar" aria-controls={[]} aria-valuenow="0" aria-rowspan="0" />
+<div role="search" aria-autocomplete="inline" />
+<div role="searchbox" aria-colindex="0" />
+<div role="separator" aria-sort="none" />
+<div role="slider" aria-valuenow="0" aria-placeholder="" />
+<div role="spinbutton" aria-posinset="0" />
+<div role="status" aria-valuemin="0" />
+<div role="strong" aria-valuemin="0" />
+<div role="subscript" aria-colcount="0" />
+<div role="superscript" aria-level="0" />
+<div role="switch" aria-checked aria-valuenow="0" />
+<div role="tab" aria-required />
+<div role="table" aria-modal />
+<div role="tablist" aria-setsize="0" />
+<div role="tabpanel" aria-multiselectable />
+<div role="term" aria-posinset="0" />
+<div role="textbox" aria-colspan="0" />
+<div role="time" aria-selected />
+<div role="timer" aria-sort="none" />
+<div role="toolbar" aria-valuetext="" />
+<div role="tooltip" aria-multiline />
+<div role="tree" aria-expanded />
+<div role="treegrid" aria-level="0" />
+<div role="treeitem" aria-selected aria-activedescendant="id" tabindex="-1" />
+<div role="doc-abstract" aria-colindex="0" />
+<div role="doc-acknowledgments" aria-setsize="0" />
+<div role="doc-afterword" aria-modal />
+<div role="doc-appendix" aria-activedescendant="id" tabindex="-1" />
+<div role="doc-backlink" aria-colspan="0" />
+<div role="doc-biblioentry" aria-valuemax="0" />
+<div role="doc-bibliography" aria-level="0" />
+<div role="doc-biblioref" aria-checked />
+<div role="doc-chapter" aria-required />
+<div role="doc-colophon" aria-setsize="0" />
+<div role="doc-conclusion" aria-colindex="0" />
+<div role="doc-cover" aria-modal />
+<div role="doc-credit" aria-selected />
+<div role="doc-credits" aria-orientation="undefined" />
+<div role="doc-dedication" aria-level="0" />
+<div role="doc-endnote" aria-checked />
+<div role="doc-endnotes" aria-colcount="0" />
+<div role="doc-epigraph" aria-multiline />
+<div role="doc-epilogue" aria-colcount="0" />
+<div role="doc-errata" aria-sort="none" />
+<div role="doc-example" aria-multiselectable />
+<div role="doc-footnote" aria-rowcount="0" />
+<div role="doc-foreword" aria-valuenow="0" />
+<div role="doc-glossary" aria-valuetext="" />
+<div role="doc-glossref" aria-placeholder="" />
+<div role="doc-index" aria-rowcount="0" />
+<div role="doc-introduction" aria-pressed />
+<div role="doc-noteref" aria-valuenow="0" />
+<div role="doc-notice" aria-selected />
+<div role="doc-pagebreak" aria-rowcount="0" />
+<div role="doc-pagelist" aria-modal />
+<div role="doc-part" aria-setsize="0" />
+<div role="doc-preface" aria-orientation="undefined" />
+<div role="doc-prologue" aria-required />
+<div role="doc-pullquote" aria-rowcount="0" />
+<div role="doc-qna" aria-setsize="0" />
+<div role="doc-subtitle" aria-rowindex="0" />
+<div role="doc-tip" aria-valuenow="0" />
+<div role="doc-toc" aria-posinset="0" />
+
+<!-- input and menuitem have different implicit roles based on different type attributes, and thus different valid and invalid props -->
+<!-- INVALID -->
+<input type="text" aria-rowspan="0" /> <!-- implicit role: textbox -->
+<input type="tel" aria-pressed /> <!-- implicit role: textbox -->
+<input type="url" aria-level="0" /> <!-- implicit role: textbox -->
+<input type="email" aria-pressed /> <!-- implicit role: textbox -->
+<input type="search" aria-valuetext="text" /> <!-- implicit role: searchbox -->
+<input type="text" list={['id']} aria-valuemin="0" /> <!-- implicit role: combobox -->
+<input type="tel" list={['id']} aria-colspan="0" /> <!-- implicit role: combobox -->
+<input type="url" list={['id']} aria-posinset="0" /> <!-- implicit role: combobox -->
+<input type="email" list={['id']} aria-modal /> <!-- implicit role: combobox -->
+<input type="search" list={['id']} aria-rowindex="0" /> <!-- implicit role: combobox -->
+<input type="image" alt="some text" aria-valuemax="0" /> <!-- implicit role: button -->
+<input type="reset" aria-modal /> <!-- implicit role: button -->
+<input type="submit" aria-placeholder="placeholder" /> <!-- implicit role: button -->
+<input type="checkbox" aria-rowindex="0" /> <!-- implicit role: checkbox -->
+<input type="radio" aria-valuetext="text" /> <!-- implicit role: radio -->
+<input type="range" aria-checked /> <!-- implicit role: slider -->
+<menuitem type="command" aria-colindex="0" /> <!-- implicit role: menuitem -->
+<menuitem type="checkbox" aria-colcount="0" /> <!-- implicit role: menuitemcheckbox -->
+<menuitem type="radio" aria-placeholder="placeholder" /> <!-- implicit role: menuitemradio -->
+
+<!-- VALID -->
+<a aria-keyshortcuts="" href="/">Link</a>
+<area aria-expanded alt="" />
+<article aria-dropeffect="none" />
+<aside aria-keyshortcuts="" />
+<body aria-labelledby="id" />
+<button aria-hidden />
+<datalist aria-activedescendant="id" tabindex="0" />
+<dd aria-labelledby="id" />
+<dfn aria-details="id" />
+<dialog aria-keyshortcuts="" />
+<details aria-keyshortcuts="" />
+<dt aria-hidden />
+<fieldset aria-owns="id" />
+<form aria-keyshortcuts="" />
+<h1 aria-keyshortcuts="">H1</h1>
+<h2 aria-controls={[]}>H2</h2>
+<h3 aria-controls={[]}>H3</h3>
+<h4 aria-details="id">H4</h4>
+<h5 aria-grabbed>H5</h5>
+<h6 aria-grabbed>H6</h6>
+<hr aria-relevant="all" />
+<img aria-flowto="id" alt="Valid aria role" />
+<li aria-label="" />
+<link aria-hidden />
+<menu aria-roledescription="" />
+<meter aria-valuemin="0" />
+<nav aria-labelledby="id" />
+<ol aria-grabbed />
+<option aria-selected />
+<optgroup aria-hidden />
+<output aria-dropeffect="none" />
+<progress aria-hidden />
+<section aria-details="id" />
+<summary aria-controls={[]} />
+<tbody aria-controls={[]} />
+<textarea aria-busy />
+<tfoot aria-labelledby="id" />
+<thead aria-flowto="id" />
+<tr aria-describedby="id" />
+<ul aria-dropeffect="none" />
+
+<div role="alert" aria-owns="id" />
+<div role="alertdialog" aria-busy />
+<div role="application" aria-invalid />
+<div role="article" aria-atomic />
+<div role="banner" aria-grabbed />
+<div role="blockquote" aria-busy />
+<div role="button" aria-busy />
+<div role="caption" aria-grabbed />
+<div role="cell" aria-rowindex="0" />
+<div role="checkbox" aria-checked aria-details="id" />
+<div role="code" aria-keyshortcuts="" />
+<div role="columnheader" aria-rowspan="0" />
+<div role="combobox" aria-invalid aria-controls={[]} aria-expanded />
+<div role="complementary" aria-label="" />
+<div role="contentinfo" aria-dropeffect="none" />
+<div role="definition" aria-grabbed />
+<div role="deletion" aria-busy />
+<div role="dialog" aria-flowto="id" />
+<div role="directory" aria-controls={[]} />
+<div role="document" aria-grabbed />
+<div role="emphasis" aria-atomic />
+<div role="feed" aria-atomic />
+<div role="figure" aria-busy />
+<div role="form" aria-roledescription="" />
+<div role="generic" aria-current />
+<div role="grid" aria-busy />
+<div role="gridcell" aria-relevant="all" />
+<div role="group" aria-busy />
+<div role="heading" aria-level="" aria-flowto="id" />
+<div role="img" aria-grabbed />
+<div role="insertion" aria-roledescription="" />
+<div role="link" aria-owns="id" />
+<div role="list" aria-labelledby="id" />
+<div role="listbox" aria-current />
+<div role="listitem" aria-controls={[]} />
+<div role="log" aria-controls={[]} />
+<div role="main" aria-keyshortcuts="" />
+<div role="marquee" aria-labelledby="id" />
+<div role="math" aria-labelledby="id" />
+<div role="menu" aria-atomic />
+<div role="menubar" aria-grabbed />
+<div role="menuitem" aria-grabbed />
+<div role="menuitemcheckbox" aria-checked aria-controls={[]} />
+<div role="menuitemradio" aria-checked aria-grabbed />
+<div role="meter" aria-valuenow="0" aria-valuetext="" />
+<div role="navigation" aria-controls={[]} />
+<div role="none" undefined />
+<div role="note" aria-hidden />
+<div role="option" aria-selected aria-describedby="id" />
+<div role="paragraph" aria-grabbed />
+<div role="presentation" aria-relevant="all" />
+<div role="progressbar" aria-valuemin="0" />
+<div role="radio" aria-checked aria-roledescription="" />
+<div role="radiogroup" aria-required />
+<div role="region" aria-roledescription="" />
+<div role="row" aria-posinset="0" />
+<div role="rowgroup" aria-busy />
+<div role="rowheader" aria-label="" />
+<div role="scrollbar" aria-controls={[]} aria-valuenow="0" aria-relevant="all" />
+<div role="search" aria-grabbed />
+<div role="searchbox" aria-dropeffect="none" />
+<div role="separator" aria-roledescription="" />
+<div role="slider" aria-valuenow="0" aria-relevant="all" />
+<div role="spinbutton" aria-required />
+<div role="status" aria-label="" />
+<div role="strong" aria-keyshortcuts="" />
+<div role="subscript" aria-keyshortcuts="" />
+<div role="superscript" aria-live="off" />
+<div role="switch" aria-checked aria-roledescription="" />
+<div role="tab" aria-flowto="id" />
+<div role="table" aria-rowcount="0" />
+<div role="tablist" aria-atomic />
+<div role="tabpanel" aria-labelledby="id" />
+<div role="term" aria-details="id" />
+<div role="textbox" aria-hidden />
+<div role="time" aria-label="" />
+<div role="timer" aria-hidden />
+<div role="toolbar" aria-roledescription="" />
+<div role="tooltip" aria-owns="id" />
+<div role="tree" aria-errormessage="error" />
+<div role="treegrid" aria-details="id" />
+<div role="treeitem" aria-selected="true" aria-dropeffect="none" />
+<div role="doc-abstract" aria-label="" />
+<div role="doc-acknowledgments" aria-controls={[]} />
+<div role="doc-afterword" aria-flowto="id" />
+<div role="doc-appendix" aria-describedby="id" />
+<div role="doc-backlink" aria-dropeffect="none" />
+<div role="doc-biblioentry" aria-roledescription="" />
+<div role="doc-bibliography" aria-labelledby="id" />
+<div role="doc-biblioref" aria-haspopup />
+<div role="doc-chapter" aria-controls={[]} />
+<div role="doc-colophon" aria-expanded />
+<div role="doc-conclusion" aria-dropeffect="none" />
+<div role="doc-cover" aria-controls={[]} />
+<div role="doc-credit" aria-haspopup />
+<div role="doc-credits" aria-describedby="id" />
+<div role="doc-dedication" aria-roledescription="" />
+<div role="doc-endnote" aria-errormessage="error" />
+<div role="doc-endnotes" aria-owns="id" />
+<div role="doc-epigraph" aria-controls={[]} />
+<div role="doc-epilogue" aria-relevant="all" />
+<div role="doc-errata" aria-keyshortcuts="" />
+<div role="doc-example" aria-invalid />
+<div role="doc-footnote" aria-labelledby="id" />
+<div role="doc-foreword" aria-expanded />
+<div role="doc-glossary" aria-grabbed />
+<div role="doc-glossref" aria-haspopup />
+<div role="doc-index" aria-controls={[]} />
+<div role="doc-introduction" aria-labelledby="id" />
+<div role="doc-noteref" aria-details="id" />
+<div role="doc-notice" aria-owns="id" />
+<div role="doc-pagebreak" aria-owns="id" />
+<div role="doc-pagelist" aria-disabled />
+<div role="doc-part" aria-relevant="all" />
+<div role="doc-preface" aria-label="" />
+<div role="doc-prologue" aria-invalid />
+<div role="doc-pullquote" undefined />
+<div role="doc-qna" aria-errormessage="error" />
+<div role="doc-subtitle" aria-errormessage="error" />
+<div role="doc-tip" aria-owns="id" />
+<div role="doc-toc" aria-expanded />
+
+<!-- input and menuitem have different implicit roles based on different type attributes, and thus different valid and invalid props -->
+<!-- VALID -->
+<input type="text" aria-labelledby="id" /> <!-- implicit role: textbox -->
+<input type="tel" aria-readonly /> <!-- implicit role: textbox -->
+<input type="url" aria-errormessage="id" /> <!-- implicit role: textbox -->
+<input type="email" aria-details="id" /> <!-- implicit role: textbox -->
+<input type="searchbox" aria-owns="id" /> <!-- implicit role: searchbox -->
+<input type="text" list={['id']} aria-keyshortcuts="key" /> <!-- implicit role: combobox -->
+<input type="tel" list={['id']} aria-readonly /> <!-- implicit role: combobox -->
+<input type="url" list={['id']} aria-label="label" /> <!-- implicit role: combobox -->
+<input type="email" list={['id']} aria-activedescendant="id" /> <!-- implicit role: combobox -->
+<input type="search" list={['id']} aria-dropeffect="none" /> <!-- implicit role: combobox -->
+<input type="image" alt="some text" aria-pressed /> <!-- implicit role: button -->
+<input type="reset" aria-expanded /> <!-- implicit role: button -->
+<input type="submit" aria-disabled /> <!-- implicit role: button -->
+<input type="checkbox" aria-controls="id" /> <!-- implicit role: checkbox -->
+<input type="radio" aria-atomic /> <!-- implicit role: radio -->
+<input type="range" aria-hidden /> <!-- implicit role: slider -->
+<menuitem type="command" aria-live="off" /> <!-- implicit role: menuitem -->
+<menuitem type="checkbox" aria-relevant="all" /> <!-- implicit role: menuitemcheckbox -->
+<menuitem type="radio" aria-required /> <!-- implicit role: menuitemradio -->
+
diff --git a/vitest/compile-time/validator/samples/a11y-role-supports-aria-props/warnings.json b/vitest/compile-time/validator/samples/a11y-role-supports-aria-props/warnings.json
new file mode 100644
index 0000000000..4e26ae572a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-role-supports-aria-props/warnings.json
@@ -0,0 +1,2150 @@
+[
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 19,
+			"line": 2
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'link'. This role is implicit on the element <a>.",
+		"start": {
+			"column": 3,
+			"line": 2
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 18,
+			"line": 3
+		},
+		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'link'. This role is implicit on the element <area>.",
+		"start": {
+			"column": 6,
+			"line": 3
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 4
+		},
+		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'article'. This role is implicit on the element <article>.",
+		"start": {
+			"column": 9,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 5
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'complementary'. This role is implicit on the element <aside>.",
+		"start": {
+			"column": 7,
+			"line": 5
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 18,
+			"line": 6
+		},
+		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'document'. This role is implicit on the element <body>.",
+		"start": {
+			"column": 6,
+			"line": 6
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 25,
+			"line": 7
+		},
+		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'button'. This role is implicit on the element <button>.",
+		"start": {
+			"column": 8,
+			"line": 7
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 27,
+			"line": 8
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'listbox'. This role is implicit on the element <datalist>.",
+		"start": {
+			"column": 10,
+			"line": 8
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 21,
+			"line": 9
+		},
+		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'definition'. This role is implicit on the element <dd>.",
+		"start": {
+			"column": 4,
+			"line": 9
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 22,
+			"line": 10
+		},
+		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'term'. This role is implicit on the element <dfn>.",
+		"start": {
+			"column": 5,
+			"line": 10
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 25,
+			"line": 11
+		},
+		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'dialog'. This role is implicit on the element <dialog>.",
+		"start": {
+			"column": 8,
+			"line": 11
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 12
+		},
+		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'group'. This role is implicit on the element <details>.",
+		"start": {
+			"column": 9,
+			"line": 12
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 21,
+			"line": 13
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'term'. This role is implicit on the element <dt>.",
+		"start": {
+			"column": 4,
+			"line": 13
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 14
+		},
+		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'group'. This role is implicit on the element <fieldset>.",
+		"start": {
+			"column": 10,
+			"line": 14
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 19,
+			"line": 15
+		},
+		"message": "A11y: The attribute 'aria-disabled' is not supported by the role 'form'. This role is implicit on the element <form>.",
+		"start": {
+			"column": 6,
+			"line": 15
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 16
+		},
+		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'heading'. This role is implicit on the element <h1>.",
+		"start": {
+			"column": 4,
+			"line": 16
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 17
+		},
+		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'heading'. This role is implicit on the element <h2>.",
+		"start": {
+			"column": 4,
+			"line": 17
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 18
+		},
+		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'heading'. This role is implicit on the element <h3>.",
+		"start": {
+			"column": 4,
+			"line": 18
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 21,
+			"line": 19
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'heading'. This role is implicit on the element <h4>.",
+		"start": {
+			"column": 4,
+			"line": 19
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 20
+		},
+		"message": "A11y: The attribute 'aria-readonly' is not supported by the role 'heading'. This role is implicit on the element <h5>.",
+		"start": {
+			"column": 4,
+			"line": 20
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 21,
+			"line": 21
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'heading'. This role is implicit on the element <h6>.",
+		"start": {
+			"column": 4,
+			"line": 21
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 22
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'separator'. This role is implicit on the element <hr>.",
+		"start": {
+			"column": 4,
+			"line": 22
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 19,
+			"line": 23
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'img'. This role is implicit on the element <img>.",
+		"start": {
+			"column": 5,
+			"line": 23
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 17,
+			"line": 24
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'listitem'. This role is implicit on the element <li>.",
+		"start": {
+			"column": 4,
+			"line": 24
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 23,
+			"line": 25
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'link'. This role is implicit on the element <link>.",
+		"start": {
+			"column": 6,
+			"line": 25
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 23,
+			"line": 26
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'list'. This role is implicit on the element <menu>.",
+		"start": {
+			"column": 6,
+			"line": 26
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 23,
+			"line": 27
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'progressbar'. This role is implicit on the element <meter>.",
+		"start": {
+			"column": 7,
+			"line": 27
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 22,
+			"line": 28
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'navigation'. This role is implicit on the element <nav>.",
+		"start": {
+			"column": 5,
+			"line": 28
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 20,
+			"line": 29
+		},
+		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'list'. This role is implicit on the element <ol>.",
+		"start": {
+			"column": 4,
+			"line": 29
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 20,
+			"line": 30
+		},
+		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'option'. This role is implicit on the element <option>.",
+		"start": {
+			"column": 8,
+			"line": 30
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 26,
+			"line": 31
+		},
+		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'group'. This role is implicit on the element <optgroup>.",
+		"start": {
+			"column": 10,
+			"line": 31
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 22,
+			"line": 32
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'status'. This role is implicit on the element <output>.",
+		"start": {
+			"column": 8,
+			"line": 32
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 27,
+			"line": 33
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'progressbar'. This role is implicit on the element <progress>.",
+		"start": {
+			"column": 10,
+			"line": 33
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 21,
+			"line": 34
+		},
+		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'region'. This role is implicit on the element <section>.",
+		"start": {
+			"column": 9,
+			"line": 34
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 26,
+			"line": 35
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'button'. This role is implicit on the element <summary>.",
+		"start": {
+			"column": 9,
+			"line": 35
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 23,
+			"line": 36
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'rowgroup'. This role is implicit on the element <tbody>.",
+		"start": {
+			"column": 7,
+			"line": 36
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 27,
+			"line": 37
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'textbox'. This role is implicit on the element <textarea>.",
+		"start": {
+			"column": 10,
+			"line": 37
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 20,
+			"line": 38
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'rowgroup'. This role is implicit on the element <tfoot>.",
+		"start": {
+			"column": 7,
+			"line": 38
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 24,
+			"line": 39
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'rowgroup'. This role is implicit on the element <thead>.",
+		"start": {
+			"column": 7,
+			"line": 39
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 16,
+			"line": 40
+		},
+		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'row'. This role is implicit on the element <tr>.",
+		"start": {
+			"column": 4,
+			"line": 40
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 24,
+			"line": 41
+		},
+		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'list'. This role is implicit on the element <ul>.",
+		"start": {
+			"column": 4,
+			"line": 41
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 43
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'alert'.",
+		"start": {
+			"column": 18,
+			"line": 43
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 50,
+			"line": 44
+		},
+		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'alertdialog'.",
+		"start": {
+			"column": 24,
+			"line": 44
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 45
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'application'.",
+		"start": {
+			"column": 24,
+			"line": 45
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 46
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'article'.",
+		"start": {
+			"column": 20,
+			"line": 46
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 45,
+			"line": 47
+		},
+		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'banner'.",
+		"start": {
+			"column": 19,
+			"line": 47
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 40,
+			"line": 48
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'blockquote'.",
+		"start": {
+			"column": 23,
+			"line": 48
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 49
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'button'.",
+		"start": {
+			"column": 19,
+			"line": 49
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 50
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'caption'.",
+		"start": {
+			"column": 20,
+			"line": 50
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 31,
+			"line": 51
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'cell'.",
+		"start": {
+			"column": 17,
+			"line": 51
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 52
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'checkbox'.",
+		"start": {
+			"column": 21,
+			"line": 52
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 29,
+			"line": 53
+		},
+		"message": "A11y: The attribute 'aria-invalid' is not supported by the role 'code'.",
+		"start": {
+			"column": 17,
+			"line": 53
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 54
+		},
+		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'columnheader'.",
+		"start": {
+			"column": 25,
+			"line": 54
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 55
+		},
+		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'combobox'.",
+		"start": {
+			"column": 21,
+			"line": 55
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 56
+		},
+		"message": "A11y: The attribute 'aria-readonly' is not supported by the role 'complementary'.",
+		"start": {
+			"column": 26,
+			"line": 56
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 57
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'contentinfo'.",
+		"start": {
+			"column": 24,
+			"line": 57
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 58
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'definition'.",
+		"start": {
+			"column": 23,
+			"line": 58
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 59
+		},
+		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'deletion'.",
+		"start": {
+			"column": 21,
+			"line": 59
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 33,
+			"line": 60
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'dialog'.",
+		"start": {
+			"column": 19,
+			"line": 60
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 61
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'directory'.",
+		"start": {
+			"column": 22,
+			"line": 61
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 62
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'document'.",
+		"start": {
+			"column": 21,
+			"line": 62
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 63
+		},
+		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'emphasis'.",
+		"start": {
+			"column": 21,
+			"line": 63
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 64
+		},
+		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'feed'.",
+		"start": {
+			"column": 17,
+			"line": 64
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 65
+		},
+		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'figure'.",
+		"start": {
+			"column": 19,
+			"line": 65
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 30,
+			"line": 66
+		},
+		"message": "A11y: The attribute 'aria-readonly' is not supported by the role 'form'.",
+		"start": {
+			"column": 17,
+			"line": 66
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 67
+		},
+		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'generic'.",
+		"start": {
+			"column": 20,
+			"line": 67
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 29,
+			"line": 68
+		},
+		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'grid'.",
+		"start": {
+			"column": 17,
+			"line": 68
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 69
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'gridcell'.",
+		"start": {
+			"column": 21,
+			"line": 69
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 70
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'group'.",
+		"start": {
+			"column": 18,
+			"line": 70
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 46,
+			"line": 71
+		},
+		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'heading'.",
+		"start": {
+			"column": 20,
+			"line": 71
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 47,
+			"line": 72
+		},
+		"message": "A11y: The attribute 'aria-errormessage' is not supported by the role 'insertion'.",
+		"start": {
+			"column": 22,
+			"line": 72
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 31,
+			"line": 73
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'link'.",
+		"start": {
+			"column": 17,
+			"line": 73
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 30,
+			"line": 74
+		},
+		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'list'.",
+		"start": {
+			"column": 17,
+			"line": 74
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 33,
+			"line": 75
+		},
+		"message": "A11y: The attribute 'aria-haspopup' is not supported by the role 'listbox'.",
+		"start": {
+			"column": 20,
+			"line": 75
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 47,
+			"line": 76
+		},
+		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'listitem'.",
+		"start": {
+			"column": 21,
+			"line": 76
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 29,
+			"line": 77
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'log'.",
+		"start": {
+			"column": 16,
+			"line": 77
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 33,
+			"line": 78
+		},
+		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'main'.",
+		"start": {
+			"column": 17,
+			"line": 78
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 46,
+			"line": 79
+		},
+		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'marquee'.",
+		"start": {
+			"column": 20,
+			"line": 79
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 31,
+			"line": 80
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'math'.",
+		"start": {
+			"column": 17,
+			"line": 80
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 29,
+			"line": 81
+		},
+		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'menu'.",
+		"start": {
+			"column": 17,
+			"line": 81
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 45,
+			"line": 82
+		},
+		"message": "A11y: The attribute 'aria-errormessage' is not supported by the role 'menubar'.",
+		"start": {
+			"column": 20,
+			"line": 82
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 33,
+			"line": 83
+		},
+		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'menuitem'.",
+		"start": {
+			"column": 21,
+			"line": 83
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 84
+		},
+		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'menuitemcheckbox'.",
+		"start": {
+			"column": 29,
+			"line": 84
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 85
+		},
+		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'menuitemradio'.",
+		"start": {
+			"column": 26,
+			"line": 85
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 49,
+			"line": 86
+		},
+		"message": "A11y: The attribute 'aria-haspopup' is not supported by the role 'meter'.",
+		"start": {
+			"column": 36,
+			"line": 86
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 87
+		},
+		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'navigation'.",
+		"start": {
+			"column": 23,
+			"line": 87
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 88
+		},
+		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'none'.",
+		"start": {
+			"column": 17,
+			"line": 88
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 27,
+			"line": 89
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'note'.",
+		"start": {
+			"column": 17,
+			"line": 89
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 50,
+			"line": 90
+		},
+		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'option'.",
+		"start": {
+			"column": 33,
+			"line": 90
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 91
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'paragraph'.",
+		"start": {
+			"column": 22,
+			"line": 91
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 92
+		},
+		"message": "A11y: The attribute 'aria-disabled' is not supported by the role 'presentation'.",
+		"start": {
+			"column": 25,
+			"line": 92
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 93
+		},
+		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'progressbar'.",
+		"start": {
+			"column": 24,
+			"line": 93
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 48,
+			"line": 94
+		},
+		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'radio'.",
+		"start": {
+			"column": 31,
+			"line": 94
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 40,
+			"line": 95
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'radiogroup'.",
+		"start": {
+			"column": 23,
+			"line": 95
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 96
+		},
+		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'region'.",
+		"start": {
+			"column": 19,
+			"line": 96
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 29,
+			"line": 97
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'row'.",
+		"start": {
+			"column": 16,
+			"line": 97
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 98
+		},
+		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'rowgroup'.",
+		"start": {
+			"column": 21,
+			"line": 98
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 48,
+			"line": 99
+		},
+		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'rowheader'.",
+		"start": {
+			"column": 22,
+			"line": 99
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 75,
+			"line": 100
+		},
+		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'scrollbar'.",
+		"start": {
+			"column": 59,
+			"line": 100
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 45,
+			"line": 101
+		},
+		"message": "A11y: The attribute 'aria-autocomplete' is not supported by the role 'search'.",
+		"start": {
+			"column": 19,
+			"line": 101
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 102
+		},
+		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'searchbox'.",
+		"start": {
+			"column": 22,
+			"line": 102
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 103
+		},
+		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'separator'.",
+		"start": {
+			"column": 22,
+			"line": 103
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 56,
+			"line": 104
+		},
+		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'slider'.",
+		"start": {
+			"column": 37,
+			"line": 104
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 40,
+			"line": 105
+		},
+		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'spinbutton'.",
+		"start": {
+			"column": 23,
+			"line": 105
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 106
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'status'.",
+		"start": {
+			"column": 19,
+			"line": 106
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 107
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'strong'.",
+		"start": {
+			"column": 19,
+			"line": 107
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 108
+		},
+		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'subscript'.",
+		"start": {
+			"column": 22,
+			"line": 108
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 109
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'superscript'.",
+		"start": {
+			"column": 24,
+			"line": 109
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 49,
+			"line": 110
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'switch'.",
+		"start": {
+			"column": 32,
+			"line": 110
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 29,
+			"line": 111
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'tab'.",
+		"start": {
+			"column": 16,
+			"line": 111
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 28,
+			"line": 112
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'table'.",
+		"start": {
+			"column": 18,
+			"line": 112
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 113
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'tablist'.",
+		"start": {
+			"column": 20,
+			"line": 113
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 114
+		},
+		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'tabpanel'.",
+		"start": {
+			"column": 21,
+			"line": 114
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 115
+		},
+		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'term'.",
+		"start": {
+			"column": 17,
+			"line": 115
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 116
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'textbox'.",
+		"start": {
+			"column": 20,
+			"line": 116
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 30,
+			"line": 117
+		},
+		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'time'.",
+		"start": {
+			"column": 17,
+			"line": 117
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 118
+		},
+		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'timer'.",
+		"start": {
+			"column": 18,
+			"line": 118
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 119
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'toolbar'.",
+		"start": {
+			"column": 20,
+			"line": 119
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 34,
+			"line": 120
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'tooltip'.",
+		"start": {
+			"column": 20,
+			"line": 120
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 30,
+			"line": 121
+		},
+		"message": "A11y: The attribute 'aria-expanded' is not supported by the role 'tree'.",
+		"start": {
+			"column": 17,
+			"line": 121
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 122
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'treegrid'.",
+		"start": {
+			"column": 21,
+			"line": 122
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 61,
+			"line": 123
+		},
+		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'treeitem'.",
+		"start": {
+			"column": 35,
+			"line": 123
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 124
+		},
+		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'doc-abstract'.",
+		"start": {
+			"column": 25,
+			"line": 124
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 48,
+			"line": 125
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-acknowledgments'.",
+		"start": {
+			"column": 32,
+			"line": 125
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 126
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'doc-afterword'.",
+		"start": {
+			"column": 26,
+			"line": 126
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 51,
+			"line": 127
+		},
+		"message": "A11y: The attribute 'aria-activedescendant' is not supported by the role 'doc-appendix'.",
+		"start": {
+			"column": 25,
+			"line": 127
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 128
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'doc-backlink'.",
+		"start": {
+			"column": 25,
+			"line": 128
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 45,
+			"line": 129
+		},
+		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'doc-biblioentry'.",
+		"start": {
+			"column": 28,
+			"line": 129
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 43,
+			"line": 130
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'doc-bibliography'.",
+		"start": {
+			"column": 29,
+			"line": 130
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 131
+		},
+		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'doc-biblioref'.",
+		"start": {
+			"column": 26,
+			"line": 131
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 132
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'doc-chapter'.",
+		"start": {
+			"column": 24,
+			"line": 132
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 133
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-colophon'.",
+		"start": {
+			"column": 25,
+			"line": 133
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 44,
+			"line": 134
+		},
+		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'doc-conclusion'.",
+		"start": {
+			"column": 27,
+			"line": 134
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 32,
+			"line": 135
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'doc-cover'.",
+		"start": {
+			"column": 22,
+			"line": 135
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 136
+		},
+		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'doc-credit'.",
+		"start": {
+			"column": 23,
+			"line": 136
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 52,
+			"line": 137
+		},
+		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'doc-credits'.",
+		"start": {
+			"column": 24,
+			"line": 137
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 138
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'doc-dedication'.",
+		"start": {
+			"column": 27,
+			"line": 138
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 139
+		},
+		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'doc-endnote'.",
+		"start": {
+			"column": 24,
+			"line": 139
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 140
+		},
+		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'doc-endnotes'.",
+		"start": {
+			"column": 25,
+			"line": 140
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 141
+		},
+		"message": "A11y: The attribute 'aria-multiline' is not supported by the role 'doc-epigraph'.",
+		"start": {
+			"column": 25,
+			"line": 141
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 142
+		},
+		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'doc-epilogue'.",
+		"start": {
+			"column": 25,
+			"line": 142
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 143
+		},
+		"message": "A11y: The attribute 'aria-sort' is not supported by the role 'doc-errata'.",
+		"start": {
+			"column": 23,
+			"line": 143
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 44,
+			"line": 144
+		},
+		"message": "A11y: The attribute 'aria-multiselectable' is not supported by the role 'doc-example'.",
+		"start": {
+			"column": 24,
+			"line": 144
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 145
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-footnote'.",
+		"start": {
+			"column": 25,
+			"line": 145
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 146
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'doc-foreword'.",
+		"start": {
+			"column": 25,
+			"line": 146
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 147
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'doc-glossary'.",
+		"start": {
+			"column": 25,
+			"line": 147
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 44,
+			"line": 148
+		},
+		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'doc-glossref'.",
+		"start": {
+			"column": 25,
+			"line": 148
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 39,
+			"line": 149
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-index'.",
+		"start": {
+			"column": 22,
+			"line": 149
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 150
+		},
+		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'doc-introduction'.",
+		"start": {
+			"column": 29,
+			"line": 150
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 151
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'doc-noteref'.",
+		"start": {
+			"column": 24,
+			"line": 151
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 152
+		},
+		"message": "A11y: The attribute 'aria-selected' is not supported by the role 'doc-notice'.",
+		"start": {
+			"column": 23,
+			"line": 152
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 43,
+			"line": 153
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-pagebreak'.",
+		"start": {
+			"column": 26,
+			"line": 153
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 154
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'doc-pagelist'.",
+		"start": {
+			"column": 25,
+			"line": 154
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 155
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-part'.",
+		"start": {
+			"column": 21,
+			"line": 155
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 52,
+			"line": 156
+		},
+		"message": "A11y: The attribute 'aria-orientation' is not supported by the role 'doc-preface'.",
+		"start": {
+			"column": 24,
+			"line": 156
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 38,
+			"line": 157
+		},
+		"message": "A11y: The attribute 'aria-required' is not supported by the role 'doc-prologue'.",
+		"start": {
+			"column": 25,
+			"line": 157
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 43,
+			"line": 158
+		},
+		"message": "A11y: The attribute 'aria-rowcount' is not supported by the role 'doc-pullquote'.",
+		"start": {
+			"column": 26,
+			"line": 158
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 36,
+			"line": 159
+		},
+		"message": "A11y: The attribute 'aria-setsize' is not supported by the role 'doc-qna'.",
+		"start": {
+			"column": 20,
+			"line": 159
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 160
+		},
+		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'doc-subtitle'.",
+		"start": {
+			"column": 25,
+			"line": 160
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 161
+		},
+		"message": "A11y: The attribute 'aria-valuenow' is not supported by the role 'doc-tip'.",
+		"start": {
+			"column": 20,
+			"line": 161
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 37,
+			"line": 162
+		},
+		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'doc-toc'.",
+		"start": {
+			"column": 20,
+			"line": 162
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 35,
+			"line": 166
+		},
+		"message": "A11y: The attribute 'aria-rowspan' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 19,
+			"line": 166
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 30,
+			"line": 167
+		},
+		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 18,
+			"line": 167
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 32,
+			"line": 168
+		},
+		"message": "A11y: The attribute 'aria-level' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 18,
+			"line": 168
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 32,
+			"line": 169
+		},
+		"message": "A11y: The attribute 'aria-pressed' is not supported by the role 'textbox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 20,
+			"line": 169
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 170
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'searchbox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 21,
+			"line": 170
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 50,
+			"line": 171
+		},
+		"message": "A11y: The attribute 'aria-valuemin' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 33,
+			"line": 171
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 48,
+			"line": 172
+		},
+		"message": "A11y: The attribute 'aria-colspan' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 32,
+			"line": 172
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 49,
+			"line": 173
+		},
+		"message": "A11y: The attribute 'aria-posinset' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 32,
+			"line": 173
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 44,
+			"line": 174
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 34,
+			"line": 174
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 52,
+			"line": 175
+		},
+		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'combobox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 35,
+			"line": 175
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 53,
+			"line": 176
+		},
+		"message": "A11y: The attribute 'aria-valuemax' is not supported by the role 'button'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 36,
+			"line": 176
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 30,
+			"line": 177
+		},
+		"message": "A11y: The attribute 'aria-modal' is not supported by the role 'button'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 20,
+			"line": 177
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 51,
+			"line": 178
+		},
+		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'button'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 21,
+			"line": 178
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 40,
+			"line": 179
+		},
+		"message": "A11y: The attribute 'aria-rowindex' is not supported by the role 'checkbox'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 23,
+			"line": 179
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 41,
+			"line": 180
+		},
+		"message": "A11y: The attribute 'aria-valuetext' is not supported by the role 'radio'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 20,
+			"line": 180
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 32,
+			"line": 181
+		},
+		"message": "A11y: The attribute 'aria-checked' is not supported by the role 'slider'. This role is implicit on the element <input>.",
+		"start": {
+			"column": 20,
+			"line": 181
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 42,
+			"line": 182
+		},
+		"message": "A11y: The attribute 'aria-colindex' is not supported by the role 'menuitem'. This role is implicit on the element <menuitem>.",
+		"start": {
+			"column": 25,
+			"line": 182
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 43,
+			"line": 183
+		},
+		"message": "A11y: The attribute 'aria-colcount' is not supported by the role 'menuitemcheckbox'. This role is implicit on the element <menuitem>.",
+		"start": {
+			"column": 26,
+			"line": 183
+		}
+	},
+	{
+		"code": "a11y-role-supports-aria-props",
+		"end": {
+			"column": 53,
+			"line": 184
+		},
+		"message": "A11y: The attribute 'aria-placeholder' is not supported by the role 'menuitemradio'. This role is implicit on the element <menuitem>.",
+		"start": {
+			"column": 23,
+			"line": 184
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-scope/input.svelte b/vitest/compile-time/validator/samples/a11y-scope/input.svelte
new file mode 100644
index 0000000000..bcc496d9b3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-scope/input.svelte
@@ -0,0 +1,6 @@
+<!-- valid -->
+<th scope />
+<svelte:element this={Math.random() ? 'th' : 'td'} scope />
+
+<!-- invalid -->
+<div scope/>
diff --git a/vitest/compile-time/validator/samples/a11y-scope/warnings.json b/vitest/compile-time/validator/samples/a11y-scope/warnings.json
new file mode 100644
index 0000000000..b8e36cef5d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-scope/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-misplaced-scope",
+		"message": "A11y: The scope attribute should only be used with <th> elements",
+		"start": {
+			"line": 6,
+			"column": 5
+		},
+		"end": {
+			"line": 6,
+			"column": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/a11y-tabindex-no-positive/input.svelte b/vitest/compile-time/validator/samples/a11y-tabindex-no-positive/input.svelte
new file mode 100644
index 0000000000..f525fca777
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-tabindex-no-positive/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	let foo;
+</script>
+
+<button tabindex='-1'/>
+<button tabindex='0'/>
+<button tabindex='1'/>
+<button tabindex='{foo}'/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/a11y-tabindex-no-positive/warnings.json b/vitest/compile-time/validator/samples/a11y-tabindex-no-positive/warnings.json
new file mode 100644
index 0000000000..455c4998e4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/a11y-tabindex-no-positive/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-positive-tabindex",
+		"message": "A11y: avoid tabindex values above zero",
+		"start": {
+			"line": 7,
+			"column": 8
+		},
+		"end": {
+			"line": 7,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/action-invalid/input.svelte b/vitest/compile-time/validator/samples/action-invalid/input.svelte
new file mode 100644
index 0000000000..11cc450aaa
--- /dev/null
+++ b/vitest/compile-time/validator/samples/action-invalid/input.svelte
@@ -0,0 +1 @@
+<div use:whatever></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/action-invalid/warnings.json b/vitest/compile-time/validator/samples/action-invalid/warnings.json
new file mode 100644
index 0000000000..c94f001ac6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/action-invalid/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'whatever' is not defined. Consider adding a <script> block with 'export let whatever' to declare a prop",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/action-object/input.svelte b/vitest/compile-time/validator/samples/action-object/input.svelte
new file mode 100644
index 0000000000..083c63388d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/action-object/input.svelte
@@ -0,0 +1,11 @@
+<script>
+	const obj = {
+		foo : "bar",
+		action(element, { leet }) {
+			element.foo = this.foo + leet;
+		}
+	}
+</script>
+
+<button use:obj.action={{ leet: 1337 }}>action</button>
+<button use:foo.action={{ leet: 1337 }}>action</button>
diff --git a/vitest/compile-time/validator/samples/action-object/warnings.json b/vitest/compile-time/validator/samples/action-object/warnings.json
new file mode 100644
index 0000000000..8f02c105de
--- /dev/null
+++ b/vitest/compile-time/validator/samples/action-object/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"end": {
+			"column": 39,
+			"line": 11
+		},
+		"message": "'foo' is not defined",
+		"start": {
+			"column": 8,
+			"line": 11
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/action-on-component/errors.json b/vitest/compile-time/validator/samples/action-on-component/errors.json
new file mode 100644
index 0000000000..c85695f9bb
--- /dev/null
+++ b/vitest/compile-time/validator/samples/action-on-component/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-action",
+		"message": "Actions can only be applied to DOM elements, not components",
+		"start": {
+			"line": 7,
+			"column": 8
+		},
+		"end": {
+			"line": 7,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/action-on-component/input.svelte b/vitest/compile-time/validator/samples/action-on-component/input.svelte
new file mode 100644
index 0000000000..a067c05dbd
--- /dev/null
+++ b/vitest/compile-time/validator/samples/action-on-component/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	import Widget from './Widget.svelte';
+
+	function foo(){}
+</script>
+
+<Widget use:foo/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/animation-comment-siblings/errors.json b/vitest/compile-time/validator/samples/animation-comment-siblings/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-comment-siblings/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/animation-comment-siblings/input.svelte b/vitest/compile-time/validator/samples/animation-comment-siblings/input.svelte
new file mode 100644
index 0000000000..1c8170950b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-comment-siblings/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	export let things;
+	function foo() {}
+</script>
+
+{#each things as thing (thing)}
+	<!-- some comment -->
+	<div animate:foo></div>
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/animation-duplicate/errors.json b/vitest/compile-time/validator/samples/animation-duplicate/errors.json
new file mode 100644
index 0000000000..2a1ba6b5ac
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-duplicate/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-animation",
+		"message": "An element can only have one 'animate' directive",
+		"start": {
+			"line": 7,
+			"column": 18
+		},
+		"end": {
+			"line": 7,
+			"column": 29
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/animation-duplicate/input.svelte b/vitest/compile-time/validator/samples/animation-duplicate/input.svelte
new file mode 100644
index 0000000000..f58dc3e1cc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-duplicate/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+{#each things as thing (thing)}
+	<div animate:foo animate:bar></div>
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/animation-each-with-const/errors.json b/vitest/compile-time/validator/samples/animation-each-with-const/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-each-with-const/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/animation-each-with-const/input.svelte b/vitest/compile-time/validator/samples/animation-each-with-const/input.svelte
new file mode 100644
index 0000000000..1e236de76f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-each-with-const/input.svelte
@@ -0,0 +1,10 @@
+<script>
+  function flip(){}
+</script>
+
+<div>
+  {#each [] as n (n)}
+    {@const a = n}
+    <div animate:flip={a} />
+  {/each}
+</div>
diff --git a/vitest/compile-time/validator/samples/animation-each-with-whitespace/errors.json b/vitest/compile-time/validator/samples/animation-each-with-whitespace/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-each-with-whitespace/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/animation-each-with-whitespace/input.svelte b/vitest/compile-time/validator/samples/animation-each-with-whitespace/input.svelte
new file mode 100644
index 0000000000..3e063716ab
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-each-with-whitespace/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	function flip() {}
+</script>
+
+<div>
+	{#each [] as n (n)} <div animate:flip /> {/each}
+</div>
diff --git a/vitest/compile-time/validator/samples/animation-missing/input.svelte b/vitest/compile-time/validator/samples/animation-missing/input.svelte
new file mode 100644
index 0000000000..7f97618162
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-missing/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let things;
+</script>
+
+{#each things as thing (thing)}
+	<div animate:foo></div>
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/animation-missing/warnings.json b/vitest/compile-time/validator/samples/animation-missing/warnings.json
new file mode 100644
index 0000000000..a3c74071e0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-missing/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'foo' is not defined",
+		"start": {
+			"line": 6,
+			"column": 6
+		},
+		"end": {
+			"line": 6,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/animation-not-in-each/errors.json b/vitest/compile-time/validator/samples/animation-not-in-each/errors.json
new file mode 100644
index 0000000000..d296c8994d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-not-in-each/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-animation",
+		"message": "An element that uses the animate directive must be the immediate child of a keyed each block",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 16
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/animation-not-in-each/input.svelte b/vitest/compile-time/validator/samples/animation-not-in-each/input.svelte
new file mode 100644
index 0000000000..33033302d5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-not-in-each/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	function foo() {}
+</script>
+
+<div animate:foo></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/animation-not-in-keyed-each/errors.json b/vitest/compile-time/validator/samples/animation-not-in-keyed-each/errors.json
new file mode 100644
index 0000000000..709ad5e196
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-not-in-keyed-each/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-animation",
+		"message": "An element that uses the animate directive must be used inside a keyed each block. Did you forget to add a key to your each block?",
+		"start": {
+			"line": 6,
+			"column": 6
+		},
+		"end": {
+			"line": 6,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/animation-not-in-keyed-each/input.svelte b/vitest/compile-time/validator/samples/animation-not-in-keyed-each/input.svelte
new file mode 100644
index 0000000000..626838ab84
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-not-in-keyed-each/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	function foo() {}
+</script>
+
+{#each things as thing}
+	<div animate:foo></div>
+	<div animate:foo></div>
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/animation-siblings/errors.json b/vitest/compile-time/validator/samples/animation-siblings/errors.json
new file mode 100644
index 0000000000..709f7006ce
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-siblings/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-animation",
+		"message": "An element that uses the animate directive must be the sole child of a keyed each block",
+		"start": {
+			"line": 6,
+			"column": 6
+		},
+		"end": {
+			"line": 6,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/animation-siblings/input.svelte b/vitest/compile-time/validator/samples/animation-siblings/input.svelte
new file mode 100644
index 0000000000..6ec203bd74
--- /dev/null
+++ b/vitest/compile-time/validator/samples/animation-siblings/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	function foo() {}
+</script>
+
+{#each things as thing (thing)}
+	<div animate:foo></div>
+	<div animate:foo></div>
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-2/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-2/errors.json
new file mode 100644
index 0000000000..7bbd36b9a1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-2/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "assignment-to-const",
+		"message": "You are assigning to a const",
+		"start": {
+			"line": 13,
+			"column": 24
+		},
+		"end": {
+			"line": 13,
+			"column": 35
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-2/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-2/input.svelte
new file mode 100644
index 0000000000..433c6d0076
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-2/input.svelte
@@ -0,0 +1,15 @@
+<script>
+	const immutable = 0;
+
+	const obj1 = { prop: true };
+	const obj2 = { prop: 0 }
+</script>
+
+<!-- should not error -->
+<button on:click={() => obj1.prop = false}>click</button>
+<button on:click={() => obj2.prop++}>click</button>
+
+<!-- should error -->
+<button on:click={() => immutable++}>click</button>
+
+
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-3/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-3/errors.json
new file mode 100644
index 0000000000..1201c10a83
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-3/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "assignment-to-const",
+		"message": "You are assigning to a const",
+		"start": {
+			"line": 14,
+			"column": 3
+		},
+		"end": {
+			"line": 14,
+			"column": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-3/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-3/input.svelte
new file mode 100644
index 0000000000..faaf448823
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-3/input.svelte
@@ -0,0 +1,20 @@
+<script>
+	const foo = 'hello';
+	
+	function shouldNotError() {
+		let foo = 0;
+		
+		function inner() {
+			foo = 1;
+		}
+	}
+	
+	function shouldError() {
+		function inner() {
+			foo = 1;
+		}
+	}
+</script>
+
+<button on:click={shouldNotError}>click</button>
+<button on:click={shouldError}>click</button>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-4/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-4/errors.json
new file mode 100644
index 0000000000..39474b2f70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-4/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "assignment-to-const",
+		"message": "You are assigning to a const",
+		"start": {
+			"line": 17,
+			"column": 2
+		},
+		"end": {
+			"line": 17,
+			"column": 9
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-4/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-4/input.svelte
new file mode 100644
index 0000000000..12229132bf
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-4/input.svelte
@@ -0,0 +1,21 @@
+<script>
+	const foo = 'hello';
+</script>
+
+<button on:click={() => {
+	let foo = 0;
+		
+	function inner() {
+		foo = 1;
+	}
+}}>
+	click
+</button>
+
+<button on:click={() => {
+	function inner() {
+		foo = 1;
+	}
+}}>
+	click
+</button>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-5/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-5/errors.json
new file mode 100644
index 0000000000..715f33b638
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-5/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "assignment-to-const",
+		"message": "You are assigning to a const",
+		"start": {
+			"line": 3,
+			"column": 1
+		},
+		"end": {
+			"line": 3,
+			"column": 33
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-5/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-5/input.svelte
new file mode 100644
index 0000000000..76907b94be
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-5/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	const arr = [1, 2];
+	[arr, arr[1]] = [arr[1], arr[0]];
+</script>
+
+{arr}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-6/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-6/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-6/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-6/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-6/input.svelte
new file mode 100644
index 0000000000..8da59b261e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-6/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	const arr = [1, 2];
+	[arr[0], arr[1]] = [arr[1], arr[0]];
+</script>
+
+{arr}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-7/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-7/errors.json
new file mode 100644
index 0000000000..5ac8ad8b68
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-7/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "assignment-to-const",
+		"message": "You are assigning to a const",
+		"start": {
+			"line": 3,
+			"column": 1
+		},
+		"end": {
+			"line": 3,
+			"column": 42
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-7/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-7/input.svelte
new file mode 100644
index 0000000000..ed7b37ae26
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-7/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	const arr = [{1: {arr: 2}}, 2];
+	[{1: { arr }}, arr[1]] = [arr[1], arr[0]];
+</script>
+
+{arr}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-8/errors.json b/vitest/compile-time/validator/samples/assignment-to-const-8/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-8/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const-8/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const-8/input.svelte
new file mode 100644
index 0000000000..8af787f4f0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const-8/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	const arr = [1, 2];
+	[arr[0], arr[1] = arr] = [arr[1], arr[0]];
+</script>
+
+{arr}
diff --git a/vitest/compile-time/validator/samples/assignment-to-const/errors.json b/vitest/compile-time/validator/samples/assignment-to-const/errors.json
new file mode 100644
index 0000000000..b822452b92
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "assignment-to-const",
+		"message": "You are assigning to a const",
+		"start": {
+			"line": 16,
+			"column": 2
+		},
+		"end": {
+			"line": 16,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/assignment-to-const/input.svelte b/vitest/compile-time/validator/samples/assignment-to-const/input.svelte
new file mode 100644
index 0000000000..d570e7c86b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/assignment-to-const/input.svelte
@@ -0,0 +1,24 @@
+<script>
+	const immutable = false;
+
+	const obj1 = { prop: true };
+	const obj2 = { prop: 0 };
+
+	function shouldNotError() {
+		obj1.prop = false;
+	}
+
+	function shouldNotError2() {
+		obj2.prop++;
+	}
+
+	function shouldError() {
+		immutable = true
+	}
+
+	
+</script>
+
+<button on:click={shouldNotError}>click</button>
+<button on:click={shouldNotError2}>click</button>
+<button on:click={shouldError}>click</button>
diff --git a/vitest/compile-time/validator/samples/attribute-expected-equals/errors.json b/vitest/compile-time/validator/samples/attribute-expected-equals/errors.json
new file mode 100644
index 0000000000..9b4c0e80a0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-expected-equals/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "unexpected-token",
+		"message": "Expected =",
+		"start": {
+			"line": 5,
+			"column": 9
+		},
+		"end": {
+			"line": 5,
+			"column": 9
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/attribute-expected-equals/input.svelte b/vitest/compile-time/validator/samples/attribute-expected-equals/input.svelte
new file mode 100644
index 0000000000..91f4b0ca7b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-expected-equals/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let name = 'world';
+</script>
+
+<h1 class"=foo">Hello {name}!</h1>
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-2/errors.json b/vitest/compile-time/validator/samples/attribute-invalid-name-2/errors.json
new file mode 100644
index 0000000000..2c4e083c7e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-2/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-attribute",
+		"message": "'3aa' is not a valid attribute name",
+		"start": {
+			"line": 1,
+			"column": 3
+		},
+		"end": {
+			"line": 1,
+			"column": 12
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-2/input.svelte b/vitest/compile-time/validator/samples/attribute-invalid-name-2/input.svelte
new file mode 100644
index 0000000000..6958a1b5aa
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-2/input.svelte
@@ -0,0 +1 @@
+<p 3aa="abc">Test</p>
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-3/errors.json b/vitest/compile-time/validator/samples/attribute-invalid-name-3/errors.json
new file mode 100644
index 0000000000..f90739a52a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-3/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-attribute",
+		"message": "'a*a' is not a valid attribute name",
+		"start": {
+			"line": 1,
+			"column": 3
+		},
+		"end": {
+			"line": 1,
+			"column": 6
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-3/input.svelte b/vitest/compile-time/validator/samples/attribute-invalid-name-3/input.svelte
new file mode 100644
index 0000000000..87c2df979a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-3/input.svelte
@@ -0,0 +1 @@
+<p a*a>Test</p>
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-4/errors.json b/vitest/compile-time/validator/samples/attribute-invalid-name-4/errors.json
new file mode 100644
index 0000000000..1368e0c12a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-4/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-attribute",
+		"message": "'-a' is not a valid attribute name",
+		"start": {
+			"line": 1,
+			"column": 3
+		},
+		"end": {
+			"line": 1,
+			"column": 5
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-4/input.svelte b/vitest/compile-time/validator/samples/attribute-invalid-name-4/input.svelte
new file mode 100644
index 0000000000..92f68449b9
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-4/input.svelte
@@ -0,0 +1 @@
+<p -a>Test</p>
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-5/errors.json b/vitest/compile-time/validator/samples/attribute-invalid-name-5/errors.json
new file mode 100644
index 0000000000..5d2d1390df
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-5/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-attribute",
+		"message": "'a;' is not a valid attribute name",
+		"start": {
+			"line": 1,
+			"column": 3
+		},
+		"end": {
+			"line": 1,
+			"column": 11
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name-5/input.svelte b/vitest/compile-time/validator/samples/attribute-invalid-name-5/input.svelte
new file mode 100644
index 0000000000..3a7dd05137
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name-5/input.svelte
@@ -0,0 +1 @@
+<p a;="abc">Test</p>
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name/errors.json b/vitest/compile-time/validator/samples/attribute-invalid-name/errors.json
new file mode 100644
index 0000000000..a688cba3de
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-attribute",
+		"message": "'}' is not a valid attribute name",
+		"start": {
+			"line": 1,
+			"column": 3
+		},
+		"end": {
+			"line": 1,
+			"column": 4
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/attribute-invalid-name/input.svelte b/vitest/compile-time/validator/samples/attribute-invalid-name/input.svelte
new file mode 100644
index 0000000000..56d9cfe23f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/attribute-invalid-name/input.svelte
@@ -0,0 +1 @@
+<p }>Test</p>
diff --git a/vitest/compile-time/validator/samples/await-component-is-used/input.svelte b/vitest/compile-time/validator/samples/await-component-is-used/input.svelte
new file mode 100644
index 0000000000..5fe87e0c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-component-is-used/input.svelte
@@ -0,0 +1,13 @@
+<script>
+	import Component from './Component.svelte';
+
+	export let promise;
+</script>
+
+{#await promise}
+	<p>Loading</p>
+{:then data}
+	<Component {data} />
+{:catch err}
+	<p>Error: {err}</p>
+{/await}
diff --git a/vitest/compile-time/validator/samples/await-component-is-used/warnings.json b/vitest/compile-time/validator/samples/await-component-is-used/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-component-is-used/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/await-no-catch/input.svelte b/vitest/compile-time/validator/samples/await-no-catch/input.svelte
new file mode 100644
index 0000000000..1d332f0e32
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-no-catch/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	let promise;
+</script>
+
+{#await promise}
+	<p>Loading</p>
+{:then data}
+	<p>Data: {data}</p>
+{/await}
diff --git a/vitest/compile-time/validator/samples/await-no-catch/warnings.json b/vitest/compile-time/validator/samples/await-no-catch/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-no-catch/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/await-shorthand-no-catch/input.svelte b/vitest/compile-time/validator/samples/await-shorthand-no-catch/input.svelte
new file mode 100644
index 0000000000..e106f8d842
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-shorthand-no-catch/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let promise;
+</script>
+
+{#await promise then data}
+	<p>Data: {data}</p>
+{/await}
diff --git a/vitest/compile-time/validator/samples/await-shorthand-no-catch/warnings.json b/vitest/compile-time/validator/samples/await-shorthand-no-catch/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-shorthand-no-catch/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/await-shorthand-no-then/input.svelte b/vitest/compile-time/validator/samples/await-shorthand-no-then/input.svelte
new file mode 100644
index 0000000000..6e8a99f131
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-shorthand-no-then/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let promise;
+</script>
+
+{#await promise catch error}
+	<p>Error: {error}</p>
+{/await}
diff --git a/vitest/compile-time/validator/samples/await-shorthand-no-then/warnings.json b/vitest/compile-time/validator/samples/await-shorthand-no-then/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/await-shorthand-no-then/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/binding-await-catch/errors.json b/vitest/compile-time/validator/samples/binding-await-catch/errors.json
new file mode 100644
index 0000000000..9e54b79772
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-await-catch/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable declared with {#await ... then} or {:catch} blocks",
+		"start": { "line": 6, "column": 9 },
+		"end": { "line": 6, "column": 27 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-await-catch/input.svelte b/vitest/compile-time/validator/samples/binding-await-catch/input.svelte
new file mode 100644
index 0000000000..b640f6305b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-await-catch/input.svelte
@@ -0,0 +1,7 @@
+<script>
+  let promise = 0;
+</script>
+{#await promise}
+{:catch error}
+  <input bind:value={error} />
+{/await}
diff --git a/vitest/compile-time/validator/samples/binding-await-then-2/errors.json b/vitest/compile-time/validator/samples/binding-await-then-2/errors.json
new file mode 100644
index 0000000000..c3240cf842
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-await-then-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable declared with {#await ... then} or {:catch} blocks",
+		"start": { "line": 6, "column": 9 },
+		"end": { "line": 6, "column": 19 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-await-then-2/input.svelte b/vitest/compile-time/validator/samples/binding-await-then-2/input.svelte
new file mode 100644
index 0000000000..e8c56c8e0b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-await-then-2/input.svelte
@@ -0,0 +1,7 @@
+<script>
+  let promise = 0;
+</script>
+{#await promise}
+{:then value}
+  <input bind:value />
+{/await}
diff --git a/vitest/compile-time/validator/samples/binding-await-then/errors.json b/vitest/compile-time/validator/samples/binding-await-then/errors.json
new file mode 100644
index 0000000000..4816bf6cf4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-await-then/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable declared with {#await ... then} or {:catch} blocks",
+		"start": { "line": 5, "column": 9 },
+		"end": { "line": 5, "column": 19 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-await-then/input.svelte b/vitest/compile-time/validator/samples/binding-await-then/input.svelte
new file mode 100644
index 0000000000..bc55ef97e4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-await-then/input.svelte
@@ -0,0 +1,6 @@
+<script>
+  let promise = 0;
+</script>
+{#await promise then value}
+  <input bind:value />
+{/await}
diff --git a/vitest/compile-time/validator/samples/binding-const-field/errors.json b/vitest/compile-time/validator/samples/binding-const-field/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-const-field/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/binding-const-field/input.svelte b/vitest/compile-time/validator/samples/binding-const-field/input.svelte
new file mode 100644
index 0000000000..055a16438d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-const-field/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	const dummy = {
+		foo: 'bar'
+	};
+</script>
+
+<input bind:value={dummy.foo}>
diff --git a/vitest/compile-time/validator/samples/binding-const/errors.json b/vitest/compile-time/validator/samples/binding-const/errors.json
new file mode 100644
index 0000000000..8d9ff938d5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-const/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable which is not writable",
+		"start": {
+			"line": 5,
+			"column": 19
+		},
+		"end": {
+			"line": 5,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-const/input.svelte b/vitest/compile-time/validator/samples/binding-const/input.svelte
new file mode 100644
index 0000000000..1857a1932c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-const/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	const dummy = 'foo';
+</script>
+
+<input bind:value={dummy}>
diff --git a/vitest/compile-time/validator/samples/binding-dimensions-svg-child/errors.json b/vitest/compile-time/validator/samples/binding-dimensions-svg-child/errors.json
new file mode 100644
index 0000000000..de41a5cdec
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-dimensions-svg-child/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'offsetWidth' is not a valid binding on SVG elements",
+		"start": {
+			"line": 6,
+			"column": 7
+		},
+		"end": {
+			"line": 6,
+			"column": 23
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-dimensions-svg-child/input.svelte b/vitest/compile-time/validator/samples/binding-dimensions-svg-child/input.svelte
new file mode 100644
index 0000000000..c47dcc7237
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-dimensions-svg-child/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let offsetWidth;
+</script>
+
+<svg>
+	<text bind:offsetWidth>some text</text>
+</svg>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-dimensions-svg/errors.json b/vitest/compile-time/validator/samples/binding-dimensions-svg/errors.json
new file mode 100644
index 0000000000..ca4b4515b8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-dimensions-svg/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'offsetWidth' is not a valid binding on <svg>. Use 'clientWidth' instead",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 21
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-dimensions-svg/input.svelte b/vitest/compile-time/validator/samples/binding-dimensions-svg/input.svelte
new file mode 100644
index 0000000000..ae1b42085f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-dimensions-svg/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let offsetWidth;
+</script>
+
+<svg bind:offsetWidth></svg>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-dimensions-void/errors.json b/vitest/compile-time/validator/samples/binding-dimensions-void/errors.json
new file mode 100644
index 0000000000..f297d5a52f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-dimensions-void/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'offsetWidth' is not a valid binding on void elements like <img>. Use a wrapper element instead",
+		"start": {
+			"line": 5,
+			"column": 22
+		},
+		"end": {
+			"line": 5,
+			"column": 38
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-dimensions-void/input.svelte b/vitest/compile-time/validator/samples/binding-dimensions-void/input.svelte
new file mode 100644
index 0000000000..e8a3fc4174
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-dimensions-void/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let offsetWidth;
+</script>
+
+<img src='potato.jpg' bind:offsetWidth>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-input-checked/errors.json b/vitest/compile-time/validator/samples/binding-input-checked/errors.json
new file mode 100644
index 0000000000..50abdd6df9
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-input-checked/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'checked' binding can only be used with <input type=\"checkbox\">",
+		"start": {
+			"line": 5,
+			"column": 7
+		},
+		"end": {
+			"line": 5,
+			"column": 25
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-input-checked/input.svelte b/vitest/compile-time/validator/samples/binding-input-checked/input.svelte
new file mode 100644
index 0000000000..c01f924202
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-input-checked/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let foo;
+</script>
+
+<input bind:checked={foo}>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-input-type-boolean/errors.json b/vitest/compile-time/validator/samples/binding-input-type-boolean/errors.json
new file mode 100644
index 0000000000..4e6751ae4e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-input-type-boolean/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-type",
+		"message": "'type' attribute must be specified",
+		"start": {
+			"line": 5,
+			"column": 24
+		},
+		"end": {
+			"line": 5,
+			"column": 28
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-input-type-boolean/input.svelte b/vitest/compile-time/validator/samples/binding-input-type-boolean/input.svelte
new file mode 100644
index 0000000000..7cabca8a10
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-input-type-boolean/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let foo;
+</script>
+
+<input bind:value={foo} type>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-input-type-dynamic/errors.json b/vitest/compile-time/validator/samples/binding-input-type-dynamic/errors.json
new file mode 100644
index 0000000000..52e9bc1351
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-input-type-dynamic/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-type",
+		"message": "'type' attribute cannot be dynamic if input uses two-way binding",
+		"start": {
+			"line": 6,
+			"column": 24
+		},
+		"end": {
+			"line": 6,
+			"column": 40
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-input-type-dynamic/input.svelte b/vitest/compile-time/validator/samples/binding-input-type-dynamic/input.svelte
new file mode 100644
index 0000000000..e1c69e97d6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-input-type-dynamic/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	let foo;
+	let inputType;
+</script>
+
+<input bind:value={foo} type={inputType}>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-invalid-foreign-namespace/errors.json b/vitest/compile-time/validator/samples/binding-invalid-foreign-namespace/errors.json
new file mode 100644
index 0000000000..7b6d4f51db
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-foreign-namespace/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'value' is not a valid binding. Foreign elements only support bind:this",
+		"start": {
+			"line": 6,
+			"column": 7
+		},
+		"end": {
+			"line": 6,
+			"column": 28
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-invalid-foreign-namespace/input.svelte b/vitest/compile-time/validator/samples/binding-invalid-foreign-namespace/input.svelte
new file mode 100644
index 0000000000..e40f44e906
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-foreign-namespace/input.svelte
@@ -0,0 +1,6 @@
+<svelte:options namespace="foreign" />
+<script>
+	let whatever;
+</script>
+
+<input bind:value={whatever} />
diff --git a/vitest/compile-time/validator/samples/binding-invalid-on-element/errors.json b/vitest/compile-time/validator/samples/binding-invalid-on-element/errors.json
new file mode 100644
index 0000000000..58d06a5c3e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-on-element/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'value' is not a valid binding on <div> elements",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-invalid-on-element/input.svelte b/vitest/compile-time/validator/samples/binding-invalid-on-element/input.svelte
new file mode 100644
index 0000000000..7971dc5393
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-on-element/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let value;
+</script>
+
+<div bind:value></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-invalid-value-global/errors.json b/vitest/compile-time/validator/samples/binding-invalid-value-global/errors.json
new file mode 100644
index 0000000000..454e81b1c5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-value-global/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "binding-undeclared",
+		"message": "foo is not declared",
+		"start": {
+			"line": 4,
+			"column": 19
+		},
+		"end": {
+			"line": 4,
+			"column": 22
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-invalid-value-global/input.svelte b/vitest/compile-time/validator/samples/binding-invalid-value-global/input.svelte
new file mode 100644
index 0000000000..81357cf5de
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-value-global/input.svelte
@@ -0,0 +1,4 @@
+<script>
+		console.log(foo);
+</script>
+<input bind:value={foo}>
diff --git a/vitest/compile-time/validator/samples/binding-invalid-value/errors.json b/vitest/compile-time/validator/samples/binding-invalid-value/errors.json
new file mode 100644
index 0000000000..03aac72e41
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-value/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "binding-undeclared",
+		"message": "foo is not declared",
+		"start": {
+			"line": 2,
+			"column": 19
+		},
+		"end": {
+			"line": 2,
+			"column": 22
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-invalid-value/input.svelte b/vitest/compile-time/validator/samples/binding-invalid-value/input.svelte
new file mode 100644
index 0000000000..9eeeba5fed
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid-value/input.svelte
@@ -0,0 +1,2 @@
+<script></script>
+<input bind:value={foo}>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-invalid/errors.json b/vitest/compile-time/validator/samples/binding-invalid/errors.json
new file mode 100644
index 0000000000..fdd0ada258
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'whatever' is not a valid binding",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-invalid/input.svelte b/vitest/compile-time/validator/samples/binding-invalid/input.svelte
new file mode 100644
index 0000000000..50df17c395
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-invalid/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let whatever;
+</script>
+
+<div bind:whatever></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-let/errors.json b/vitest/compile-time/validator/samples/binding-let/errors.json
new file mode 100644
index 0000000000..4647eaa581
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-let/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable declared with the let: directive",
+		"start": {
+			"line": 6,
+			"column": 8
+		},
+		"end": {
+			"line": 6,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-let/input.svelte b/vitest/compile-time/validator/samples/binding-let/input.svelte
new file mode 100644
index 0000000000..79162ddacd
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-let/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let Foo;
+</script>
+
+<Foo let:bar>
+	<input bind:value={bar}>
+</Foo>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/binding-select-multiple-dynamic/errors.json b/vitest/compile-time/validator/samples/binding-select-multiple-dynamic/errors.json
new file mode 100644
index 0000000000..3303d35166
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-select-multiple-dynamic/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "dynamic-multiple-attribute",
+		"message": "'multiple' attribute cannot be dynamic if select uses two-way binding",
+		"start": {
+			"line": 6,
+			"column": 19
+		},
+		"end": {
+			"line": 6,
+			"column": 29
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/binding-select-multiple-dynamic/input.svelte b/vitest/compile-time/validator/samples/binding-select-multiple-dynamic/input.svelte
new file mode 100644
index 0000000000..6fb0df4d47
--- /dev/null
+++ b/vitest/compile-time/validator/samples/binding-select-multiple-dynamic/input.svelte
@@ -0,0 +1,10 @@
+<script>
+	let value;
+	let multiple;
+</script>
+
+<select bind:value {multiple}>
+	<option>1</option>
+	<option>2</option>
+	<option>3</option>
+</select>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/catch-declares-error-variable/input.svelte b/vitest/compile-time/validator/samples/catch-declares-error-variable/input.svelte
new file mode 100644
index 0000000000..b44e854cf5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/catch-declares-error-variable/input.svelte
@@ -0,0 +1,13 @@
+<script>
+	let value = null;
+</script>
+
+<button on:click={event => {
+	try {
+		throw new Error('foo');
+	} catch (error) {
+		value = error;
+	}
+}}>Click to create error</button>
+
+{String(value)}
diff --git a/vitest/compile-time/validator/samples/catch-declares-error-variable/warnings.json b/vitest/compile-time/validator/samples/catch-declares-error-variable/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/catch-declares-error-variable/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/component-dynamic/input.svelte b/vitest/compile-time/validator/samples/component-dynamic/input.svelte
new file mode 100644
index 0000000000..241a33c5ea
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-dynamic/input.svelte
@@ -0,0 +1,30 @@
+<script>
+	import A from './A.svelte';
+	import B from './B.svelte';
+
+	let Let = A;
+	function update() {
+		Let = B;
+	}
+
+	export let ExportLet = B;
+
+	$: Reactive = random() ? A : B;
+</script>
+
+<Let />
+<ExportLet />
+<Reactive />
+<svelte:component this={Let} />
+
+<!-- Here, we test to see if svelte-ignore works with reactive-component -->
+<!-- svelte-ignore reactive-component -->
+<Let />
+<div>
+  <!-- svelte-ignore reactive-component -->
+  <ExportLet />
+  <div>
+    <!-- svelte-ignore reactive-component -->
+    <Reactive />
+  </div>
+</div>
diff --git a/vitest/compile-time/validator/samples/component-dynamic/options.json b/vitest/compile-time/validator/samples/component-dynamic/options.json
new file mode 100644
index 0000000000..0b2a999c76
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-dynamic/options.json
@@ -0,0 +1,3 @@
+{
+	"generate": true
+}
diff --git a/vitest/compile-time/validator/samples/component-dynamic/warnings.json b/vitest/compile-time/validator/samples/component-dynamic/warnings.json
new file mode 100644
index 0000000000..58d07677b8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-dynamic/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "reactive-component",
+		"message": "<Let/> will not be reactive if Let changes. Use <svelte:component this={Let}/> if you want this reactivity.",
+		"end": {
+			"column": 7,
+			"line": 15
+		},
+		"start": {
+			"column": 0,
+			"line": 15
+		}
+	},
+	{
+		"message": "<ExportLet/> will not be reactive if ExportLet changes. Use <svelte:component this={ExportLet}/> if you want this reactivity.",
+		"code": "reactive-component",
+		"end": {
+			"column": 13,
+			"line": 16
+		},
+		"start": {
+			"column": 0,
+			"line": 16
+		}
+	},
+	{
+		"message": "<Reactive/> will not be reactive if Reactive changes. Use <svelte:component this={Reactive}/> if you want this reactivity.",
+		"code": "reactive-component",
+		"end": {
+			"column": 12,
+			"line": 17
+		},
+		"start": {
+			"column": 0,
+			"line": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-event-modifiers-invalid/errors.json b/vitest/compile-time/validator/samples/component-event-modifiers-invalid/errors.json
new file mode 100644
index 0000000000..3edd0059a3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-event-modifiers-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "Event modifiers other than 'once' can only be used on DOM elements",
+		"code": "invalid-event-modifier",
+		"start": {
+			"line": 6,
+			"column": 8
+		},
+		"end": {
+			"line": 6,
+			"column": 40
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-event-modifiers-invalid/input.svelte b/vitest/compile-time/validator/samples/component-event-modifiers-invalid/input.svelte
new file mode 100644
index 0000000000..8f7ce54d7a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-event-modifiers-invalid/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	import Button from './Button.svelte';
+	const doThat = () => {};
+</script>
+
+<Button on:click|preventDefault={doThat}></Button>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-invalid-style-directive/errors.json b/vitest/compile-time/validator/samples/component-invalid-style-directive/errors.json
new file mode 100644
index 0000000000..8c4a686766
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-invalid-style-directive/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-component-style-directive",
+		"message": "Style directives cannot be used on components",
+		"start": { "line": 7, "column": 19 },
+		"end": { "line": 7, "column": 36 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-invalid-style-directive/input.svelte b/vitest/compile-time/validator/samples/component-invalid-style-directive/input.svelte
new file mode 100644
index 0000000000..975621088f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-invalid-style-directive/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let name = 'world';
+	
+	import Child from 'Child.svelte';
+</script>
+
+<Child name={name} style:color="red" />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-name-lowercase/input.svelte b/vitest/compile-time/validator/samples/component-name-lowercase/input.svelte
new file mode 100644
index 0000000000..bfca8cc471
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-name-lowercase/input.svelte
@@ -0,0 +1,10 @@
+<script>
+	import thisShouldWarnMe from './MyComponent.svelte';
+	import { form } from './form';
+	let i;
+	form;
+</script>
+
+<thisShouldWarnMe />
+<i />
+<form />
diff --git a/vitest/compile-time/validator/samples/component-name-lowercase/warnings.json b/vitest/compile-time/validator/samples/component-name-lowercase/warnings.json
new file mode 100644
index 0000000000..92f5a6f429
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-name-lowercase/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "component-name-lowercase",
+		"message": "<thisShouldWarnMe> will be treated as an HTML element unless it begins with a capital letter",
+		"start": {
+			"column": 0,
+			"line": 8
+		},
+		"end": {
+			"column": 20,
+			"line": 8
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-namespaced/input.svelte b/vitest/compile-time/validator/samples/component-namespaced/input.svelte
new file mode 100644
index 0000000000..996d2d8769
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-namespaced/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	import * as NS from 'some-library';
+</script>
+
+<NS.Foo/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-namespaced/warnings.json b/vitest/compile-time/validator/samples/component-namespaced/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-namespaced/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/component-slot-default-duplicate.skip/errors.json b/vitest/compile-time/validator/samples/component-slot-default-duplicate.skip/errors.json
new file mode 100644
index 0000000000..8c093fd705
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-default-duplicate.skip/errors.json
@@ -0,0 +1,9 @@
+[
+	{
+		"message": "duplicate default <slot> element",
+		"start": {
+			"line": 2,
+			"column": 0
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slot-default-duplicate.skip/input.svelte b/vitest/compile-time/validator/samples/component-slot-default-duplicate.skip/input.svelte
new file mode 100644
index 0000000000..9dffac4144
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-default-duplicate.skip/input.svelte
@@ -0,0 +1,2 @@
+<slot></slot>
+<slot></slot>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slot-default-reserved/errors.json b/vitest/compile-time/validator/samples/component-slot-default-reserved/errors.json
new file mode 100644
index 0000000000..5347d4737f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-default-reserved/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-slot-name",
+		"message": "default is a reserved word — it cannot be used as a slot name",
+		"start": {
+			"line": 1,
+			"column": 6
+		},
+		"end": {
+			"line": 1,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slot-default-reserved/input.svelte b/vitest/compile-time/validator/samples/component-slot-default-reserved/input.svelte
new file mode 100644
index 0000000000..397ae0aaf5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-default-reserved/input.svelte
@@ -0,0 +1 @@
+<slot name='default'></slot>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slot-dynamic-attribute/errors.json b/vitest/compile-time/validator/samples/component-slot-dynamic-attribute/errors.json
new file mode 100644
index 0000000000..cb15babd60
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-dynamic-attribute/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-slot-attribute",
+		"message": "slot attribute cannot have a dynamic value",
+		"start": {
+			"line": 6,
+			"column": 9
+		},
+		"end": {
+			"line": 6,
+			"column": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slot-dynamic-attribute/input.svelte b/vitest/compile-time/validator/samples/component-slot-dynamic-attribute/input.svelte
new file mode 100644
index 0000000000..1eb8b4f1f0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-dynamic-attribute/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	import Nested from './Nested.svelte';
+</script>
+
+<Nested>
+	<button slot={foo}>click me</button>
+</Nested>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slot-dynamic/errors.json b/vitest/compile-time/validator/samples/component-slot-dynamic/errors.json
new file mode 100644
index 0000000000..65b400437f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-dynamic/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "dynamic-slot-name",
+		"message": "<slot> name cannot be dynamic",
+		"start": {
+			"line": 1,
+			"column": 6
+		},
+		"end": {
+			"line": 1,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slot-dynamic/input.svelte b/vitest/compile-time/validator/samples/component-slot-dynamic/input.svelte
new file mode 100644
index 0000000000..74348a49db
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-dynamic/input.svelte
@@ -0,0 +1 @@
+<slot name='{foo}'></slot>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slot-named-duplicate.skip/errors.json b/vitest/compile-time/validator/samples/component-slot-named-duplicate.skip/errors.json
new file mode 100644
index 0000000000..e8152c3602
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-named-duplicate.skip/errors.json
@@ -0,0 +1,9 @@
+[
+	{
+		"message": "duplicate 'foo' <slot> element",
+		"start": {
+			"line": 2,
+			"column": 6
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slot-named-duplicate.skip/input.svelte b/vitest/compile-time/validator/samples/component-slot-named-duplicate.skip/input.svelte
new file mode 100644
index 0000000000..b0affc0608
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slot-named-duplicate.skip/input.svelte
@@ -0,0 +1,2 @@
+<slot name='foo'></slot>
+<slot name='foo'></slot>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slotted-custom-element-2/errors.json b/vitest/compile-time/validator/samples/component-slotted-custom-element-2/errors.json
new file mode 100644
index 0000000000..a0be2a67ac
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-custom-element-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-slotted-content",
+		"message": "Element with a slot='...' attribute must be a child of a component or a descendant of a custom element",
+		"start": { "line": 10, "column": 9 },
+		"end": { "line": 10, "column": 19 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slotted-custom-element-2/input.svelte b/vitest/compile-time/validator/samples/component-slotted-custom-element-2/input.svelte
new file mode 100644
index 0000000000..221659ca4d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-custom-element-2/input.svelte
@@ -0,0 +1,14 @@
+<script>
+	import Nested from './Nested.svelte';
+	let thing = false;
+</script>
+
+<custom-element>
+	<Nested>
+		{#if thing}
+			<div>
+				<div slot='bar' />
+			</div>
+		{/if}
+	</Nested>
+</custom-element>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slotted-custom-element/errors.json b/vitest/compile-time/validator/samples/component-slotted-custom-element/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-custom-element/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/component-slotted-custom-element/input.svelte b/vitest/compile-time/validator/samples/component-slotted-custom-element/input.svelte
new file mode 100644
index 0000000000..e0e27834c1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-custom-element/input.svelte
@@ -0,0 +1,15 @@
+<script>
+	import Nested from './Nested.svelte';
+	let thing = false;
+</script>
+
+<Nested>
+	<custom-element>
+		<div>
+			<div slot='foo' />
+		</div>
+		{#if thing}
+			<div slot='bar' />
+		{/if}
+	</custom-element>
+</Nested>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slotted-each-block/errors.json b/vitest/compile-time/validator/samples/component-slotted-each-block/errors.json
new file mode 100644
index 0000000000..38f4e6f671
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-each-block/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-slotted-content",
+		"message": "Element with a slot='...' attribute must be a child of a component or a descendant of a custom element",
+		"start": {
+			"line": 7,
+			"column": 7
+		},
+		"end": {
+			"line": 7,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slotted-each-block/input.svelte b/vitest/compile-time/validator/samples/component-slotted-each-block/input.svelte
new file mode 100644
index 0000000000..f000278a99
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-each-block/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	import Nested from './Nested.svelte';
+</script>
+
+<Nested>
+	{#each things as thing}
+		<div slot='foo'>{thing}</div>
+	{/each}
+</Nested>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/component-slotted-if-block/errors.json b/vitest/compile-time/validator/samples/component-slotted-if-block/errors.json
new file mode 100644
index 0000000000..38f4e6f671
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-if-block/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-slotted-content",
+		"message": "Element with a slot='...' attribute must be a child of a component or a descendant of a custom element",
+		"start": {
+			"line": 7,
+			"column": 7
+		},
+		"end": {
+			"line": 7,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/component-slotted-if-block/input.svelte b/vitest/compile-time/validator/samples/component-slotted-if-block/input.svelte
new file mode 100644
index 0000000000..d9159dfd60
--- /dev/null
+++ b/vitest/compile-time/validator/samples/component-slotted-if-block/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	import Nested from './Nested.svelte';
+</script>
+
+<Nested>
+	{#if thing}
+		<div slot='foo'>{thing}</div>
+	{/if}
+</Nested>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-conflict-1/errors.json b/vitest/compile-time/validator/samples/const-tag-conflict-1/errors.json
new file mode 100644
index 0000000000..d92528566a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-conflict-1/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-const-declaration",
+		"message": "'a' has already been declared",
+		"start": { "line": 7, "column": 2 },
+		"end": { "line": 7, "column": 19 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-conflict-1/input.svelte b/vitest/compile-time/validator/samples/const-tag-conflict-1/input.svelte
new file mode 100644
index 0000000000..6633eeacdf
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-conflict-1/input.svelte
@@ -0,0 +1,8 @@
+<script>
+  export let array;
+</script>
+
+{#each array as item}
+  {@const a = item}
+  {@const a = item}
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-conflict-2/errors.json b/vitest/compile-time/validator/samples/const-tag-conflict-2/errors.json
new file mode 100644
index 0000000000..7636f8fcbc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-conflict-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-const-declaration",
+		"message": "'item' has already been declared",
+		"start": { "line": 6, "column": 2 },
+		"end": { "line": 6, "column": 21 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-conflict-2/input.svelte b/vitest/compile-time/validator/samples/const-tag-conflict-2/input.svelte
new file mode 100644
index 0000000000..2be7207691
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-conflict-2/input.svelte
@@ -0,0 +1,7 @@
+<script>
+  export let array;
+</script>
+
+{#each array as item}
+  {@const item = 123}
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-cyclical/errors.json b/vitest/compile-time/validator/samples/const-tag-cyclical/errors.json
new file mode 100644
index 0000000000..2b13e575cf
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-cyclical/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "cyclical-const-tags",
+		"message": "Cyclical dependency detected: b → c → b",
+		"start": { "line": 6, "column": 2 },
+		"end": { "line": 6, "column": 20 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-cyclical/input.svelte b/vitest/compile-time/validator/samples/const-tag-cyclical/input.svelte
new file mode 100644
index 0000000000..2f694be808
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-cyclical/input.svelte
@@ -0,0 +1,8 @@
+<script>
+  export let array;
+</script>
+
+{#each array as a}
+  {@const b = a + c}
+  {@const c = b + a}
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-out-of-scope/input.svelte b/vitest/compile-time/validator/samples/const-tag-out-of-scope/input.svelte
new file mode 100644
index 0000000000..d1c2723e22
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-out-of-scope/input.svelte
@@ -0,0 +1,10 @@
+<script>
+  export let array;
+</script>
+
+{#each array as a}
+  {@const b = a + 1}
+  <div />
+{/each}
+
+{b}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-out-of-scope/warnings.json b/vitest/compile-time/validator/samples/const-tag-out-of-scope/warnings.json
new file mode 100644
index 0000000000..37696bf417
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-out-of-scope/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'b' is not defined",
+		"start": {
+			"column": 1,
+			"line": 10
+		},
+		"end": {
+			"column": 2,
+			"line": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-placement-1/errors.json b/vitest/compile-time/validator/samples/const-tag-placement-1/errors.json
new file mode 100644
index 0000000000..f90fcf80ab
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-placement-1/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-const-placement",
+		"message": "{@const} must be the immediate child of {#if}, {:else if}, {:else}, {#each}, {:then}, {:catch}, <svelte:fragment> or <Component>",
+		"start": { "line": 5, "column": 0 },
+		"end": { "line": 5, "column": 18 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-placement-1/input.svelte b/vitest/compile-time/validator/samples/const-tag-placement-1/input.svelte
new file mode 100644
index 0000000000..14ea3085e7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-placement-1/input.svelte
@@ -0,0 +1,5 @@
+<script>
+  export let a;
+</script>
+
+{@const b = a + 1}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-placement-2/errors.json b/vitest/compile-time/validator/samples/const-tag-placement-2/errors.json
new file mode 100644
index 0000000000..1124d0b4f8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-placement-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-const-placement",
+		"message": "{@const} must be the immediate child of {#if}, {:else if}, {:else}, {#each}, {:then}, {:catch}, <svelte:fragment> or <Component>",
+		"start": { "line": 7, "column": 4 },
+		"end": { "line": 7, "column": 18 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-placement-2/input.svelte b/vitest/compile-time/validator/samples/const-tag-placement-2/input.svelte
new file mode 100644
index 0000000000..2519482a98
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-placement-2/input.svelte
@@ -0,0 +1,9 @@
+<script>
+  export let a;
+</script>
+
+{#each a as i}
+  <div>
+    {@const b = i}
+  </div>
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-readonly-1/errors.json b/vitest/compile-time/validator/samples/const-tag-readonly-1/errors.json
new file mode 100644
index 0000000000..8aa10a4d80
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-readonly-1/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-const-update",
+		"message": "'b' is declared using {@const ...} and is read-only",
+		"start": { "line": 7, "column": 26 },
+		"end": { "line": 7, "column": 30 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-readonly-1/input.svelte b/vitest/compile-time/validator/samples/const-tag-readonly-1/input.svelte
new file mode 100644
index 0000000000..b5a37c8608
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-readonly-1/input.svelte
@@ -0,0 +1,8 @@
+<script>
+  export let array;
+</script>
+
+{#each array as a}
+  {@const b = a + 1}
+  <button on:click={() => b ++} />
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/const-tag-readonly-2/errors.json b/vitest/compile-time/validator/samples/const-tag-readonly-2/errors.json
new file mode 100644
index 0000000000..15307d637e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-readonly-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable declared with {@const ...}",
+		"start": { "line": 7, "column": 9 },
+		"end": { "line": 7, "column": 23 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/const-tag-readonly-2/input.svelte b/vitest/compile-time/validator/samples/const-tag-readonly-2/input.svelte
new file mode 100644
index 0000000000..466aac9804
--- /dev/null
+++ b/vitest/compile-time/validator/samples/const-tag-readonly-2/input.svelte
@@ -0,0 +1,8 @@
+<script>
+  export let array;
+</script>
+
+{#each array as a}
+  {@const b = a + 1}
+  <input bind:value={b} />
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/contenteditable-dynamic/errors.json b/vitest/compile-time/validator/samples/contenteditable-dynamic/errors.json
new file mode 100644
index 0000000000..6272bc6d21
--- /dev/null
+++ b/vitest/compile-time/validator/samples/contenteditable-dynamic/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "dynamic-contenteditable-attribute",
+		"message": "'contenteditable' attribute cannot be dynamic if element uses two-way binding",
+		"start": {
+			"line": 6,
+			"column": 8
+		},
+		"end": {
+			"line": 6,
+			"column": 32
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/contenteditable-dynamic/input.svelte b/vitest/compile-time/validator/samples/contenteditable-dynamic/input.svelte
new file mode 100644
index 0000000000..8dfa91a354
--- /dev/null
+++ b/vitest/compile-time/validator/samples/contenteditable-dynamic/input.svelte
@@ -0,0 +1,6 @@
+<script>
+    export let name;
+
+    let toggle = false;
+</script>
+<editor contenteditable={toggle} bind:innerHTML={name}></editor>
diff --git a/vitest/compile-time/validator/samples/contenteditable-missing/errors.json b/vitest/compile-time/validator/samples/contenteditable-missing/errors.json
new file mode 100644
index 0000000000..24a072dac8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/contenteditable-missing/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-contenteditable-attribute",
+		"message": "'contenteditable' attribute is required for textContent, innerHTML and innerText two-way bindings",
+		"start": {
+			"line": 4,
+			"column": 8
+		},
+		"end": {
+			"line": 4,
+			"column": 31
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/contenteditable-missing/input.svelte b/vitest/compile-time/validator/samples/contenteditable-missing/input.svelte
new file mode 100644
index 0000000000..dae1088994
--- /dev/null
+++ b/vitest/compile-time/validator/samples/contenteditable-missing/input.svelte
@@ -0,0 +1,4 @@
+<script>
+    export let name;
+</script>
+<editor bind:textContent={name}></editor>
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-1/errors.json b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-1/errors.json
new file mode 100644
index 0000000000..3bce9fbc01
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-1/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "css-invalid-selector",
+		"message": "Invalid selector \"> span\"",
+		"start": { "line": 10, "column": 1 },
+		"end": { "line": 10, "column": 7 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-1/input.svelte b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-1/input.svelte
new file mode 100644
index 0000000000..614b9d932c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-1/input.svelte
@@ -0,0 +1,13 @@
+<p><span /></p>
+
+<style>
+	p > span {
+		color: red;
+	}
+	:has(> span) {
+		color: red;
+	}
+	> span {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-2/errors.json b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-2/errors.json
new file mode 100644
index 0000000000..38305e106b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "css-invalid-selector",
+		"message": "Invalid selector \"+ p\"",
+		"start": { "line": 8, "column": 1 },
+		"end": { "line": 8, "column": 4 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-2/input.svelte b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-2/input.svelte
new file mode 100644
index 0000000000..9cc20ce817
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-2/input.svelte
@@ -0,0 +1,11 @@
+<p><span /></p>
+<p><span /></p>
+
+<style>
+	p + p {
+		color: red;
+	}
+	+ p {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-3/errors.json b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-3/errors.json
new file mode 100644
index 0000000000..ad35720249
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-3/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "css-invalid-selector",
+		"message": "Invalid selector \"> span\"",
+		"start": { "line": 5, "column": 2 },
+		"end": { "line": 5, "column": 8 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-3/input.svelte b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-3/input.svelte
new file mode 100644
index 0000000000..fdd4870921
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-3/input.svelte
@@ -0,0 +1,9 @@
+<p><span /></p>
+
+<style>
+	@media screen {
+		> span {
+			color: red;
+		}
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-4/errors.json b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-4/errors.json
new file mode 100644
index 0000000000..78b0815863
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-4/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "css-invalid-selector",
+		"message": "Invalid selector \"p >\"",
+		"start": { "line": 4, "column": 1 },
+		"end": { "line": 4, "column": 4 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-combinator-selector-4/input.svelte b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-4/input.svelte
new file mode 100644
index 0000000000..db04318f73
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-combinator-selector-4/input.svelte
@@ -0,0 +1,7 @@
+<p><span /></p>
+
+<style>
+	p > {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-2/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-placement-2/errors.json
new file mode 100644
index 0000000000..eb1b20c807
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-2/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global",
+		"message": ":global(...) can be at the start or end of a selector sequence, but not in the middle",
+		"start": {
+			"line": 2,
+			"column": 6
+		},
+		"end": {
+			"line": 2,
+			"column": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-2/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-placement-2/input.svelte
new file mode 100644
index 0000000000..75bd7b66e1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-2/input.svelte
@@ -0,0 +1,5 @@
+<style>
+	.foo :global(.bar):first-child .baz {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-3/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-placement-3/errors.json
new file mode 100644
index 0000000000..cd5464ccac
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-3/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global",
+		"message": ":global(...) can be at the start or end of a selector sequence, but not in the middle",
+		"start": {
+			"line": 5,
+			"column": 6
+		},
+		"end": {
+			"line": 5,
+			"column": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-3/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-placement-3/input.svelte
new file mode 100644
index 0000000000..2a15c1086a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-3/input.svelte
@@ -0,0 +1,8 @@
+<style>
+	.foo :global(.bar)::after {
+		color: red;
+	}
+	.foo :global(.bar)::after .baz {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-4/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-placement-4/errors.json
new file mode 100644
index 0000000000..fbb4d30569
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-4/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector-position",
+		"message": ":global(...) not at the start of a selector sequence should not contain type or universal selectors",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-4/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-placement-4/input.svelte
new file mode 100644
index 0000000000..641e91cab0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-4/input.svelte
@@ -0,0 +1,5 @@
+<style>
+	.foo:global(div) {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-5/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-placement-5/errors.json
new file mode 100644
index 0000000000..4b495faff0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-5/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector-position",
+		"message": ":global(...) not at the start of a selector sequence should not contain type or universal selectors",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 21
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement-5/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-placement-5/input.svelte
new file mode 100644
index 0000000000..cbd4f3a4fc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement-5/input.svelte
@@ -0,0 +1,7 @@
+<style>
+	.foo:global(div.bar) {
+		color: red;
+	}
+</style>
+
+<div class="foo" />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-placement/errors.json
new file mode 100644
index 0000000000..eb1b20c807
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global",
+		"message": ":global(...) can be at the start or end of a selector sequence, but not in the middle",
+		"start": {
+			"line": 2,
+			"column": 6
+		},
+		"end": {
+			"line": 2,
+			"column": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-placement/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-placement/input.svelte
new file mode 100644
index 0000000000..33da3499b2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-placement/input.svelte
@@ -0,0 +1,5 @@
+<style>
+	.foo :global(.bar) .baz {
+		color: red;
+	}
+</style>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-2/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-selector-2/errors.json
new file mode 100644
index 0000000000..3049ff71ef
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-2/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 11,
+			"column": 5
+		},
+		"end": {
+			"line": 11,
+			"column": 29
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-2/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-selector-2/input.svelte
new file mode 100644
index 0000000000..6acbabd7da
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-2/input.svelte
@@ -0,0 +1,18 @@
+<style>
+	div :global(:is(h1, h2)) {
+		color: red;
+	}
+	div :global(:where(h1, h2)) {
+		color: red;
+	}
+	div :global(h1 ~ :is(h2, h3)) {
+		color: red;
+	}
+	div :global(:is(h1, h2), h3) {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-3/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-selector-3/errors.json
new file mode 100644
index 0000000000..651acb3089
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-3/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 5
+		},
+		"end": {
+			"line": 5,
+			"column": 44
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-3/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-selector-3/input.svelte
new file mode 100644
index 0000000000..dca0094a06
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-3/input.svelte
@@ -0,0 +1,12 @@
+<style>
+	div :global(h1[data-title="Hello, world!"]) {
+		color: red;
+	}
+	div :global(h1[attribute], video[autoplay]) {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-4/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-selector-4/errors.json
new file mode 100644
index 0000000000..c1bb229deb
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-4/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 2,
+			"column": 5
+		},
+		"end": {
+			"line": 2,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-4/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-selector-4/input.svelte
new file mode 100644
index 0000000000..ed33b6b385
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-4/input.svelte
@@ -0,0 +1,9 @@
+<style>
+	div :global(h1, .abc\)) {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-5/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-selector-5/errors.json
new file mode 100644
index 0000000000..9efd2be5a2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-5/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 1
+		},
+		"end": {
+			"line": 5,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-5/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-selector-5/input.svelte
new file mode 100644
index 0000000000..67d4b9928a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-5/input.svelte
@@ -0,0 +1,12 @@
+<style>
+	:global(h1, h2, h3), div {
+		color: red;
+	}
+	:global(h1, h2, h3) div {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-6/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-selector-6/errors.json
new file mode 100644
index 0000000000..9efd2be5a2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-6/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 1
+		},
+		"end": {
+			"line": 5,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector-6/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-selector-6/input.svelte
new file mode 100644
index 0000000000..e0b2ffd597
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector-6/input.svelte
@@ -0,0 +1,12 @@
+<style>
+	:global(.h1\,h2\,h3).foo {
+		color: red;
+	}
+	:global(h1, h2, h3).foo {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector/errors.json b/vitest/compile-time/validator/samples/css-invalid-global-selector/errors.json
new file mode 100644
index 0000000000..c7ef17faf9
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 11,
+			"column": 5
+		},
+		"end": {
+			"line": 11,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/css-invalid-global-selector/input.svelte b/vitest/compile-time/validator/samples/css-invalid-global-selector/input.svelte
new file mode 100644
index 0000000000..0ec337edfb
--- /dev/null
+++ b/vitest/compile-time/validator/samples/css-invalid-global-selector/input.svelte
@@ -0,0 +1,18 @@
+<style>
+	div :global(.h1\,h2\,h3) {
+		color: red;
+	}
+	:global(h1, h2, h3) {
+		color: red;
+	}
+	div, :global(h1, h2, h3) {
+		color: red;
+	}
+	div :global(h1, h2, h3) {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/debug-invalid-args/errors.json b/vitest/compile-time/validator/samples/debug-invalid-args/errors.json
new file mode 100644
index 0000000000..26c0103026
--- /dev/null
+++ b/vitest/compile-time/validator/samples/debug-invalid-args/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-debug-args",
+		"message": "{@debug ...} arguments must be identifiers, not arbitrary expressions",
+		"start": {
+			"line": 2,
+			"column": 9
+		},
+		"end": {
+			"line": 2,
+			"column": 9
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/debug-invalid-args/input.svelte b/vitest/compile-time/validator/samples/debug-invalid-args/input.svelte
new file mode 100644
index 0000000000..5c89e7049d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/debug-invalid-args/input.svelte
@@ -0,0 +1,4 @@
+<p>
+	{@debug a + b}
+	{a + b}
+</p>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/default-export-anonymous-class/errors.json b/vitest/compile-time/validator/samples/default-export-anonymous-class/errors.json
new file mode 100644
index 0000000000..064c5a4f5a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/default-export-anonymous-class/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "default-export",
+		"message": "A component cannot have a default export",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 30
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/default-export-anonymous-class/input.svelte b/vitest/compile-time/validator/samples/default-export-anonymous-class/input.svelte
new file mode 100644
index 0000000000..d78759e113
--- /dev/null
+++ b/vitest/compile-time/validator/samples/default-export-anonymous-class/input.svelte
@@ -0,0 +1,3 @@
+<script>
+	export default function () {};
+</script>
diff --git a/vitest/compile-time/validator/samples/default-export-anonymous-function/errors.json b/vitest/compile-time/validator/samples/default-export-anonymous-function/errors.json
new file mode 100644
index 0000000000..7e20c7c9d4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/default-export-anonymous-function/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "default-export",
+		"message": "A component cannot have a default export",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/default-export-anonymous-function/input.svelte b/vitest/compile-time/validator/samples/default-export-anonymous-function/input.svelte
new file mode 100644
index 0000000000..5e98ca42ab
--- /dev/null
+++ b/vitest/compile-time/validator/samples/default-export-anonymous-function/input.svelte
@@ -0,0 +1,3 @@
+<script>
+	export default class {};
+</script>
diff --git a/vitest/compile-time/validator/samples/default-export/errors.json b/vitest/compile-time/validator/samples/default-export/errors.json
new file mode 100644
index 0000000000..6131408037
--- /dev/null
+++ b/vitest/compile-time/validator/samples/default-export/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "default-export",
+		"message": "A component cannot have a default export",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 19
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/default-export/input.svelte b/vitest/compile-time/validator/samples/default-export/input.svelte
new file mode 100644
index 0000000000..6d7ea95370
--- /dev/null
+++ b/vitest/compile-time/validator/samples/default-export/input.svelte
@@ -0,0 +1,3 @@
+<script>
+	export default 42;
+</script>
diff --git a/vitest/compile-time/validator/samples/directive-non-expression/errors.json b/vitest/compile-time/validator/samples/directive-non-expression/errors.json
new file mode 100644
index 0000000000..4d36ab28b3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/directive-non-expression/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-directive-value",
+		"message": "Directive value must be a JavaScript expression enclosed in curly braces",
+		"start": {
+			"line": 1,
+			"column": 15
+		},
+		"end": {
+			"line": 1,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/directive-non-expression/input.svelte b/vitest/compile-time/validator/samples/directive-non-expression/input.svelte
new file mode 100644
index 0000000000..815add35e4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/directive-non-expression/input.svelte
@@ -0,0 +1 @@
+<div on:click="invalid"></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/dollar-dollar-global-in-markup/errors.json b/vitest/compile-time/validator/samples/dollar-dollar-global-in-markup/errors.json
new file mode 100644
index 0000000000..07a009fe23
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-dollar-global-in-markup/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-global",
+		"message": "$$billsyall is an illegal variable name",
+		"start": {
+			"line": 1,
+			"column": 1
+		},
+		"end": {
+			"line": 1,
+			"column": 12
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dollar-dollar-global-in-markup/input.svelte b/vitest/compile-time/validator/samples/dollar-dollar-global-in-markup/input.svelte
new file mode 100644
index 0000000000..d197237056
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-dollar-global-in-markup/input.svelte
@@ -0,0 +1 @@
+{$$billsyall}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/dollar-dollar-global-in-script/errors.json b/vitest/compile-time/validator/samples/dollar-dollar-global-in-script/errors.json
new file mode 100644
index 0000000000..46b0e3d2f6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-dollar-global-in-script/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-global",
+		"message": "$$billsyall is an illegal variable name",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 12
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dollar-dollar-global-in-script/input.svelte b/vitest/compile-time/validator/samples/dollar-dollar-global-in-script/input.svelte
new file mode 100644
index 0000000000..9f7fc06a7d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-dollar-global-in-script/input.svelte
@@ -0,0 +1,3 @@
+<script>
+	$$billsyall;
+</script>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/dollar-global-in-markup/errors.json b/vitest/compile-time/validator/samples/dollar-global-in-markup/errors.json
new file mode 100644
index 0000000000..5031fd39f0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-global-in-markup/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-global",
+		"message": "$ is an illegal variable name",
+		"start": {
+			"line": 1,
+			"column": 1
+		},
+		"end": {
+			"line": 1,
+			"column": 2
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dollar-global-in-markup/input.svelte b/vitest/compile-time/validator/samples/dollar-global-in-markup/input.svelte
new file mode 100644
index 0000000000..f6b2dceee5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-global-in-markup/input.svelte
@@ -0,0 +1 @@
+{$}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/dollar-global-in-script/errors.json b/vitest/compile-time/validator/samples/dollar-global-in-script/errors.json
new file mode 100644
index 0000000000..fc1d468375
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-global-in-script/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-global",
+		"message": "$ is an illegal variable name",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 2
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dollar-global-in-script/input.svelte b/vitest/compile-time/validator/samples/dollar-global-in-script/input.svelte
new file mode 100644
index 0000000000..a06da03657
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dollar-global-in-script/input.svelte
@@ -0,0 +1,3 @@
+<script>
+	$;
+</script>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/dynamic-element-invalid-tag/errors.json b/vitest/compile-time/validator/samples/dynamic-element-invalid-tag/errors.json
new file mode 100644
index 0000000000..591a1ce540
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dynamic-element-invalid-tag/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "Invalid element definition",
+		"code": "invalid-element-definition",
+		"start": {
+			"line": 2,
+			"column": 17
+		},
+		"end": {
+			"line": 2,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dynamic-element-invalid-tag/input.svelte b/vitest/compile-time/validator/samples/dynamic-element-invalid-tag/input.svelte
new file mode 100644
index 0000000000..bc6b8be822
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dynamic-element-invalid-tag/input.svelte
@@ -0,0 +1,3 @@
+<div>
+	<svelte:element this>foo</svelte:element>
+</div>
diff --git a/vitest/compile-time/validator/samples/dynamic-element-missing-tag/errors.json b/vitest/compile-time/validator/samples/dynamic-element-missing-tag/errors.json
new file mode 100644
index 0000000000..3b2c446d4e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dynamic-element-missing-tag/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-element-definition",
+		"message": "<svelte:element> must have a 'this' attribute",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 1
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dynamic-element-missing-tag/input.svelte b/vitest/compile-time/validator/samples/dynamic-element-missing-tag/input.svelte
new file mode 100644
index 0000000000..4b645d25a1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dynamic-element-missing-tag/input.svelte
@@ -0,0 +1,3 @@
+<div>
+	<svelte:element>foo</svelte:element>
+</div>
diff --git a/vitest/compile-time/validator/samples/dynamic-element-this/errors.json b/vitest/compile-time/validator/samples/dynamic-element-this/errors.json
new file mode 100644
index 0000000000..4efad529ff
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dynamic-element-this/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "unexpected-reserved-word",
+		"message": "'this' is a reserved word in JavaScript and cannot be used here",
+		"start": {
+			"line": 2,
+			"column": 18
+		},
+		"end": {
+			"line": 2,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/dynamic-element-this/input.svelte b/vitest/compile-time/validator/samples/dynamic-element-this/input.svelte
new file mode 100644
index 0000000000..1a5079b924
--- /dev/null
+++ b/vitest/compile-time/validator/samples/dynamic-element-this/input.svelte
@@ -0,0 +1,3 @@
+<div>
+	<svelte:element {this}>foo</svelte:element>
+</div>
diff --git a/vitest/compile-time/validator/samples/each-block-destructured-object-rest-comma-after/errors.json b/vitest/compile-time/validator/samples/each-block-destructured-object-rest-comma-after/errors.json
new file mode 100644
index 0000000000..6c1d760ea8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-destructured-object-rest-comma-after/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "parse-error",
+		"message": "Comma is not permitted after the rest element",
+		"start": {
+			"line": 5,
+			"column": 53
+		},
+		"end": {
+			"line": 5,
+			"column": 53
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/each-block-destructured-object-rest-comma-after/input.svelte b/vitest/compile-time/validator/samples/each-block-destructured-object-rest-comma-after/input.svelte
new file mode 100644
index 0000000000..661b2dfea7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-destructured-object-rest-comma-after/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	export let animalEntries;
+</script>
+
+{#each animalEntries as { animal, features: { ...rest, eyes } } }
+	<p {...rest}>{animal} {eyes}</p>
+{/each}
diff --git a/vitest/compile-time/validator/samples/each-block-invalid-context-destructured-object/errors.json b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured-object/errors.json
new file mode 100644
index 0000000000..11428e078a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured-object/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "parse-error",
+		"message": "Unexpected keyword 'case'",
+		"start": {
+			"line": 1,
+			"column": 18
+		},
+		"end": {
+			"line": 1,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/each-block-invalid-context-destructured-object/input.svelte b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured-object/input.svelte
new file mode 100644
index 0000000000..a891f131a0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured-object/input.svelte
@@ -0,0 +1,3 @@
+{#each cases as { case }}
+	{case.title}
+{/each}
diff --git a/vitest/compile-time/validator/samples/each-block-invalid-context-destructured/errors.json b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured/errors.json
new file mode 100644
index 0000000000..9c80627eac
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "parse-error",
+		"message": "Unexpected token",
+		"start": {
+			"line": 1,
+			"column": 17
+		},
+		"end": {
+			"line": 1,
+			"column": 17
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/each-block-invalid-context-destructured/input.svelte b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured/input.svelte
new file mode 100644
index 0000000000..9e76daab64
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-invalid-context-destructured/input.svelte
@@ -0,0 +1,3 @@
+{#each cases as [case]}
+	{case.title}
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/each-block-invalid-context/errors.json b/vitest/compile-time/validator/samples/each-block-invalid-context/errors.json
new file mode 100644
index 0000000000..72c68836a3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-invalid-context/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "unexpected-reserved-word",
+		"message": "'case' is a reserved word in JavaScript and cannot be used here",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 16
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/each-block-invalid-context/input.svelte b/vitest/compile-time/validator/samples/each-block-invalid-context/input.svelte
new file mode 100644
index 0000000000..7e30416e2a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-invalid-context/input.svelte
@@ -0,0 +1,3 @@
+{#each cases as case}
+	{case.title}
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/each-block-multiple-children/_config.js b/vitest/compile-time/validator/samples/each-block-multiple-children/_config.js
new file mode 100644
index 0000000000..083edcd210
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-multiple-children/_config.js
@@ -0,0 +1,3 @@
+export default {
+	dev: true
+};
diff --git a/vitest/compile-time/validator/samples/each-block-multiple-children/input.svelte b/vitest/compile-time/validator/samples/each-block-multiple-children/input.svelte
new file mode 100644
index 0000000000..211ebed0c8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-multiple-children/input.svelte
@@ -0,0 +1,15 @@
+<script>
+	export let things;
+	export let soDoesThis;
+</script>
+
+{#each things as thing}
+	<span>this only exists...</span>
+	<span>...to increase test coverage</span>
+{/each}
+
+{#each things as thing}{soDoesThis}{/each}
+
+{#each things as thing}
+	andThis
+{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/each-block-multiple-children/warnings.json b/vitest/compile-time/validator/samples/each-block-multiple-children/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/each-block-multiple-children/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/empty-block/input.svelte b/vitest/compile-time/validator/samples/empty-block/input.svelte
new file mode 100644
index 0000000000..4185f4f817
--- /dev/null
+++ b/vitest/compile-time/validator/samples/empty-block/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	let things = [];
+</script>
+
+{#each things as thing}
+
+{/each}
+
+{#each things as thing}{/each}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/empty-block/warnings.json b/vitest/compile-time/validator/samples/empty-block/warnings.json
new file mode 100644
index 0000000000..11ca8e204e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/empty-block/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "empty-block",
+		"message": "Empty block",
+		"start": {
+			"line": 5,
+			"column": 0
+		},
+		"end": {
+			"line": 7,
+			"column": 7
+		}
+	},
+	{
+		"code": "empty-block",
+		"message": "Empty block",
+		"start": {
+			"line": 9,
+			"column": 0
+		},
+		"end": {
+			"line": 9,
+			"column": 30
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/error-mode-warn/input.svelte b/vitest/compile-time/validator/samples/error-mode-warn/input.svelte
new file mode 100644
index 0000000000..5304ef4c71
--- /dev/null
+++ b/vitest/compile-time/validator/samples/error-mode-warn/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	const dummy = 'foo';
+</script>
+
+<input bind:value={dummy}>
+<input bind:value={undeclared}>
diff --git a/vitest/compile-time/validator/samples/error-mode-warn/options.json b/vitest/compile-time/validator/samples/error-mode-warn/options.json
new file mode 100644
index 0000000000..6047a61528
--- /dev/null
+++ b/vitest/compile-time/validator/samples/error-mode-warn/options.json
@@ -0,0 +1,3 @@
+{
+	"errorMode": "warn"
+}
diff --git a/vitest/compile-time/validator/samples/error-mode-warn/warnings.json b/vitest/compile-time/validator/samples/error-mode-warn/warnings.json
new file mode 100644
index 0000000000..cf2963c959
--- /dev/null
+++ b/vitest/compile-time/validator/samples/error-mode-warn/warnings.json
@@ -0,0 +1,38 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Cannot bind to a variable which is not writable",
+		"start": {
+			"line": 5,
+			"column": 19
+		},
+		"end": {
+			"line": 5,
+			"column": 24
+		}
+	},
+	{
+		"code": "missing-declaration",
+		"message": "'undeclared' is not defined",
+		"start": {
+			"column": 19,
+			"line": 6
+		},
+		"end": {
+			"column": 29,
+			"line": 6
+		}
+	},
+	{
+		"code": "binding-undeclared",
+		"message": "undeclared is not declared",
+		"end": {
+			"column": 29,
+			"line": 6
+		},
+		"start": {
+			"column": 19,
+			"line": 6
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/event-modifiers-invalid-nonpassive/errors.json b/vitest/compile-time/validator/samples/event-modifiers-invalid-nonpassive/errors.json
new file mode 100644
index 0000000000..08bb48b6df
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-invalid-nonpassive/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "The 'passive' and 'nonpassive' modifiers cannot be used together",
+		"code": "invalid-event-modifier",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 51
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/event-modifiers-invalid-nonpassive/input.svelte b/vitest/compile-time/validator/samples/event-modifiers-invalid-nonpassive/input.svelte
new file mode 100644
index 0000000000..3557aa4b1d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-invalid-nonpassive/input.svelte
@@ -0,0 +1,3 @@
+<div on:touchstart|nonpassive|passive={handleWheel}>
+	oops
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/event-modifiers-invalid-passive/errors.json b/vitest/compile-time/validator/samples/event-modifiers-invalid-passive/errors.json
new file mode 100644
index 0000000000..542e507388
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-invalid-passive/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "The 'passive' and 'preventDefault' modifiers cannot be used together",
+		"code": "invalid-event-modifier",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 50
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/event-modifiers-invalid-passive/input.svelte b/vitest/compile-time/validator/samples/event-modifiers-invalid-passive/input.svelte
new file mode 100644
index 0000000000..db9c9f8fb0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-invalid-passive/input.svelte
@@ -0,0 +1,3 @@
+<div on:wheel|passive|preventDefault={handleWheel}>
+	oops
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/event-modifiers-invalid/errors.json b/vitest/compile-time/validator/samples/event-modifiers-invalid/errors.json
new file mode 100644
index 0000000000..b398cea5e4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "Valid event modifiers are preventDefault, stopPropagation, stopImmediatePropagation, capture, once, passive, nonpassive, self or trusted",
+		"code": "invalid-event-modifier",
+		"start": {
+			"line": 1,
+			"column": 8
+		},
+		"end": {
+			"line": 1,
+			"column": 34
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/event-modifiers-invalid/input.svelte b/vitest/compile-time/validator/samples/event-modifiers-invalid/input.svelte
new file mode 100644
index 0000000000..e217186266
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-invalid/input.svelte
@@ -0,0 +1 @@
+<button on:click|stop|bad={doThat}></button>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/event-modifiers-legacy/_config.js b/vitest/compile-time/validator/samples/event-modifiers-legacy/_config.js
new file mode 100644
index 0000000000..52f59c8767
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-legacy/_config.js
@@ -0,0 +1,3 @@
+export default {
+	legacy: true
+};
diff --git a/vitest/compile-time/validator/samples/event-modifiers-legacy/errors.json b/vitest/compile-time/validator/samples/event-modifiers-legacy/errors.json
new file mode 100644
index 0000000000..735e7c21fb
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-legacy/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "The 'once' modifier cannot be used in legacy mode",
+		"code": "invalid-event-modifier",
+		"start": {
+			"line": 1,
+			"column": 8
+		},
+		"end": {
+			"line": 1,
+			"column": 37
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/event-modifiers-legacy/input.svelte b/vitest/compile-time/validator/samples/event-modifiers-legacy/input.svelte
new file mode 100644
index 0000000000..c53a616fb5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-legacy/input.svelte
@@ -0,0 +1 @@
+<button on:click|once="{handleClick}"></button>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/event-modifiers-redundant/input.svelte b/vitest/compile-time/validator/samples/event-modifiers-redundant/input.svelte
new file mode 100644
index 0000000000..3161674beb
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-redundant/input.svelte
@@ -0,0 +1,12 @@
+<script>
+	function handleTouchstart() {
+		// ...
+	}
+
+	function handleClick() {
+		// ...
+	}
+</script>
+
+<button on:click|passive="{handleClick}"></button>
+<div on:touchstart|passive="{handleTouchstart}"></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/event-modifiers-redundant/warnings.json b/vitest/compile-time/validator/samples/event-modifiers-redundant/warnings.json
new file mode 100644
index 0000000000..e5ff27b728
--- /dev/null
+++ b/vitest/compile-time/validator/samples/event-modifiers-redundant/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"message": "The passive modifier only works with wheel and touch events",
+		"code": "redundant-event-modifier",
+		"start": {
+			"line": 11,
+			"column": 8
+		},
+		"end": {
+			"line": 11,
+			"column": 40
+		}
+	},
+	{
+		"message": "Touch event handlers that don't use the 'event' object are passive by default",
+		"code": "redundant-event-modifier",
+		"start": {
+			"line": 12,
+			"column": 5
+		},
+		"end": {
+			"line": 12,
+			"column": 47
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/_config.js b/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/_config.js
new file mode 100644
index 0000000000..6fc797bfd8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/_config.js
@@ -0,0 +1,3 @@
+export default {
+	customElement: true
+};
diff --git a/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/input.svelte b/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/input.svelte
new file mode 100644
index 0000000000..455d1da170
--- /dev/null
+++ b/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/input.svelte
@@ -0,0 +1,20 @@
+<svelte:options customElement="my-element" />
+
+<h1>Heading 1</h1>
+<span>Span 1</span>
+<span>Span 2</span>
+<slot>
+	<p>Paragraph 2</p>
+</slot>
+
+<style>
+	/* This will not be picked up */
+	h1 ~ slot > p {
+		color: red;
+	}
+
+	/* This will get picked up */
+	h1 ~ p {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json b/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
new file mode 100644
index 0000000000..8783cb30ab
--- /dev/null
+++ b/vitest/compile-time/validator/samples/general-siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-unused-selector",
+		"message": "Unused CSS selector \"h1 ~ slot > p\"",
+		"start": {
+			"column": 1,
+			"line": 12
+		},
+		"end": {
+			"column": 14,
+			"line": 12
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/html-block-in-attribute/errors.json b/vitest/compile-time/validator/samples/html-block-in-attribute/errors.json
new file mode 100644
index 0000000000..3e73629dc0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/html-block-in-attribute/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-tag-placement",
+		"message": "{@html} tag cannot be in attribute value",
+		"start": { "line": 1, "column": 12 },
+		"end": { "line": 1, "column": 12 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/html-block-in-attribute/input.svelte b/vitest/compile-time/validator/samples/html-block-in-attribute/input.svelte
new file mode 100644
index 0000000000..46b8ca5b7e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/html-block-in-attribute/input.svelte
@@ -0,0 +1 @@
+<div style="{@html text}" />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/html-block-in-textarea/errors.json b/vitest/compile-time/validator/samples/html-block-in-textarea/errors.json
new file mode 100644
index 0000000000..ea01211d4a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/html-block-in-textarea/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-tag-placement",
+		"message": "{@html} tag cannot be inside <textarea>",
+		"start": { "line": 2, "column": 1 },
+		"end": { "line": 2, "column": 1 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/html-block-in-textarea/input.svelte b/vitest/compile-time/validator/samples/html-block-in-textarea/input.svelte
new file mode 100644
index 0000000000..5da8dbf75a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/html-block-in-textarea/input.svelte
@@ -0,0 +1,3 @@
+<textarea>
+	{@html fruit}
+</textarea>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ignore-warning/input.svelte b/vitest/compile-time/validator/samples/ignore-warning/input.svelte
new file mode 100644
index 0000000000..c4e7556d74
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warning/input.svelte
@@ -0,0 +1,7 @@
+<!-- svelte-ignore a11y-missing-attribute -->
+<div>
+	<img src="this-is-fine.jpg">
+	<marquee>but this is still discouraged</marquee>
+</div>
+
+<img src="potato.jpg">
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ignore-warning/warnings.json b/vitest/compile-time/validator/samples/ignore-warning/warnings.json
new file mode 100644
index 0000000000..51c940b807
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warning/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "a11y-distracting-elements",
+		"end": {
+			"column": 49,
+			"line": 4
+		},
+		"message": "A11y: Avoid <marquee> elements",
+		"start": {
+			"column": 1,
+			"line": 4
+		}
+	},
+	{
+		"code": "a11y-missing-attribute",
+		"end": {
+			"column": 22,
+			"line": 7
+		},
+		"message": "A11y: <img> element should have an alt attribute",
+		"start": {
+			"column": 0,
+			"line": 7
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ignore-warnings-cumulative/input.svelte b/vitest/compile-time/validator/samples/ignore-warnings-cumulative/input.svelte
new file mode 100644
index 0000000000..2843a890ce
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings-cumulative/input.svelte
@@ -0,0 +1,17 @@
+<!-- svelte-ignore a11y-structure a11y-missing-attribute -->
+<div>
+	<figure>
+		<img src="potato.jpg">
+		<marquee>
+			<figcaption>potato</figcaption>
+		</marquee>
+	</figure>
+
+	<!-- svelte-ignore a11y-distracting-elements -->
+	<figure>
+		<img src="potato.jpg">
+		<marquee>
+			<figcaption>potato</figcaption>
+		</marquee>
+	</figure>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ignore-warnings-cumulative/warnings.json b/vitest/compile-time/validator/samples/ignore-warnings-cumulative/warnings.json
new file mode 100644
index 0000000000..26add431e0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings-cumulative/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-distracting-elements",
+		"end": {
+			"column": 12,
+			"line": 7
+		},
+		"message": "A11y: Avoid <marquee> elements",
+		"start": {
+			"column": 2,
+			"line": 5
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ignore-warnings-newline/input.svelte b/vitest/compile-time/validator/samples/ignore-warnings-newline/input.svelte
new file mode 100644
index 0000000000..c75a91c630
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings-newline/input.svelte
@@ -0,0 +1,8 @@
+<!-- svelte-ignore a11y-missing-attribute
+                   a11y-distracting-elements -->
+<div>
+	<img src="this-is-fine.jpg">
+	<marquee>but this is still discouraged</marquee>
+</div>
+
+<img src="potato.jpg">
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ignore-warnings-newline/warnings.json b/vitest/compile-time/validator/samples/ignore-warnings-newline/warnings.json
new file mode 100644
index 0000000000..03fade839a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings-newline/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"end": {
+			"column": 22,
+			"line": 8
+		},
+		"message": "A11y: <img> element should have an alt attribute",
+		"start": {
+			"column": 0,
+			"line": 8
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ignore-warnings-stacked/input.svelte b/vitest/compile-time/validator/samples/ignore-warnings-stacked/input.svelte
new file mode 100644
index 0000000000..c6edb7240a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings-stacked/input.svelte
@@ -0,0 +1,8 @@
+<!-- svelte-ignore a11y-missing-attribute -->
+<!-- svelte-ignore a11y-distracting-elements -->
+<div>
+	<img src="this-is-fine.jpg">
+	<marquee>but this is still discouraged</marquee>
+</div>
+
+<img src="potato.jpg">
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ignore-warnings-stacked/warnings.json b/vitest/compile-time/validator/samples/ignore-warnings-stacked/warnings.json
new file mode 100644
index 0000000000..03fade839a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings-stacked/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"end": {
+			"column": 22,
+			"line": 8
+		},
+		"message": "A11y: <img> element should have an alt attribute",
+		"start": {
+			"column": 0,
+			"line": 8
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ignore-warnings/input.svelte b/vitest/compile-time/validator/samples/ignore-warnings/input.svelte
new file mode 100644
index 0000000000..5fd7229f9a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings/input.svelte
@@ -0,0 +1,7 @@
+<!-- svelte-ignore a11y-missing-attribute a11y-distracting-elements -->
+<div>
+	<img src="this-is-fine.jpg">
+	<marquee>but this is still discouraged</marquee>
+</div>
+
+<img src="potato.jpg">
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ignore-warnings/warnings.json b/vitest/compile-time/validator/samples/ignore-warnings/warnings.json
new file mode 100644
index 0000000000..9a5be15ae7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ignore-warnings/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-missing-attribute",
+		"end": {
+			"column": 22,
+			"line": 7
+		},
+		"message": "A11y: <img> element should have an alt attribute",
+		"start": {
+			"column": 0,
+			"line": 7
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/illegal-variable-declaration/errors.json b/vitest/compile-time/validator/samples/illegal-variable-declaration/errors.json
new file mode 100644
index 0000000000..606fa5e0a6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/illegal-variable-declaration/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-variable-declaration",
+		"message": "Cannot declare same variable name which is imported inside <script context=\"module\">",
+		"start": {
+			"line": 6,
+			"column": 1
+		},
+		"end": {
+			"line": 6,
+			"column": 9
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/illegal-variable-declaration/input.svelte b/vitest/compile-time/validator/samples/illegal-variable-declaration/input.svelte
new file mode 100644
index 0000000000..4542380f49
--- /dev/null
+++ b/vitest/compile-time/validator/samples/illegal-variable-declaration/input.svelte
@@ -0,0 +1,9 @@
+<script context="module">
+	import { FOO } from './dummy.svelte';
+</script>
+
+<script>
+	let FOO;
+</script>
+
+{FOO}
diff --git a/vitest/compile-time/validator/samples/import-meta/errors.json b/vitest/compile-time/validator/samples/import-meta/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/import-meta/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/import-meta/input.svelte b/vitest/compile-time/validator/samples/import-meta/input.svelte
new file mode 100644
index 0000000000..a5ce32dd77
--- /dev/null
+++ b/vitest/compile-time/validator/samples/import-meta/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	const url = import.meta.url;
+</script>
+
+{url}
+{import.meta.url}
diff --git a/vitest/compile-time/validator/samples/invalid-empty-css-declaration/errors.json b/vitest/compile-time/validator/samples/invalid-empty-css-declaration/errors.json
new file mode 100644
index 0000000000..5d37ddccf0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/invalid-empty-css-declaration/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-declaration",
+		"message": "Declaration cannot be empty",
+		"start": {
+			"line": 11,
+			"column": 0
+		},
+		"end": {
+			"line": 11,
+			"column": 0
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/invalid-empty-css-declaration/input.svelte b/vitest/compile-time/validator/samples/invalid-empty-css-declaration/input.svelte
new file mode 100644
index 0000000000..1262b8e08a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/invalid-empty-css-declaration/input.svelte
@@ -0,0 +1,11 @@
+<div class='foo bar'></div>
+
+<style>
+	.foo {
+		color:;
+	}
+	.bar {
+		font:;
+		color: blue;
+	}
+</style>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/invalid-reactive-var-1/errors.json b/vitest/compile-time/validator/samples/invalid-reactive-var-1/errors.json
new file mode 100644
index 0000000000..35fb5b14d0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/invalid-reactive-var-1/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid_var_declaration",
+		"message": "\"var\" scope should not extend outside the reactive block",
+		"start": { "line": 14, "column": 7 },
+		"end": { "line": 14, "column": 16 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/invalid-reactive-var-1/input.svelte b/vitest/compile-time/validator/samples/invalid-reactive-var-1/input.svelte
new file mode 100644
index 0000000000..7fe774959d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/invalid-reactive-var-1/input.svelte
@@ -0,0 +1,20 @@
+<script>
+	var a;
+	var {a, b: [d, f], c}= {a: 1, b: [1, 2], c: 2};
+	$: {
+		function one() {
+			var a = 'a';
+			function two() {
+				var a = 'b';
+				return a;
+			}
+			return two();
+		}
+		a = one();
+		for (var i = 0; i<5; i ++ ) {
+			// Todo
+		}
+	}
+</script>
+
+<h1>Hello {a}</h1>
diff --git a/vitest/compile-time/validator/samples/invalid-reactive-var-2/errors.json b/vitest/compile-time/validator/samples/invalid-reactive-var-2/errors.json
new file mode 100644
index 0000000000..3bc0802718
--- /dev/null
+++ b/vitest/compile-time/validator/samples/invalid-reactive-var-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid_var_declaration",
+		"message": "\"var\" scope should not extend outside the reactive block",
+		"start": { "line": 4, "column": 2 },
+		"end": { "line": 4, "column": 50 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/invalid-reactive-var-2/input.svelte b/vitest/compile-time/validator/samples/invalid-reactive-var-2/input.svelte
new file mode 100644
index 0000000000..b3a1c4272c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/invalid-reactive-var-2/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	$: {
+		let f = 'f';
+		var {a, b: [c, d], e} = {a: 1, b: [2, 3], e: 4};
+	}
+</script>
+
+<h1>Hello</h1>
diff --git a/vitest/compile-time/validator/samples/logic-block-in-attribute/errors.json b/vitest/compile-time/validator/samples/logic-block-in-attribute/errors.json
new file mode 100644
index 0000000000..43c0fb9416
--- /dev/null
+++ b/vitest/compile-time/validator/samples/logic-block-in-attribute/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-logic-block-placement",
+		"message": "{#if} logic block cannot be in attribute value",
+		"start": { "line": 1, "column": 12 },
+		"end": { "line": 1, "column": 12 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/logic-block-in-attribute/input.svelte b/vitest/compile-time/validator/samples/logic-block-in-attribute/input.svelte
new file mode 100644
index 0000000000..241529527c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/logic-block-in-attribute/input.svelte
@@ -0,0 +1 @@
+<div style="{#if condition}a{/if}" />
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/logic-block-in-textarea/errors.json b/vitest/compile-time/validator/samples/logic-block-in-textarea/errors.json
new file mode 100644
index 0000000000..d007089089
--- /dev/null
+++ b/vitest/compile-time/validator/samples/logic-block-in-textarea/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-logic-block-placement",
+		"message": "{#each} logic block cannot be inside <textarea>",
+		"start": { "line": 2, "column": 1 },
+		"end": { "line": 2, "column": 1 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/logic-block-in-textarea/input.svelte b/vitest/compile-time/validator/samples/logic-block-in-textarea/input.svelte
new file mode 100644
index 0000000000..63fdd9fbaa
--- /dev/null
+++ b/vitest/compile-time/validator/samples/logic-block-in-textarea/input.svelte
@@ -0,0 +1,5 @@
+<textarea>
+	{#each fruits as fruit}
+		{fruit}
+	{/each}
+</textarea>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/missing-component-global/input.svelte b/vitest/compile-time/validator/samples/missing-component-global/input.svelte
new file mode 100644
index 0000000000..5d17448bd4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/missing-component-global/input.svelte
@@ -0,0 +1,3 @@
+<div>
+	<String/>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/missing-component-global/warnings.json b/vitest/compile-time/validator/samples/missing-component-global/warnings.json
new file mode 100644
index 0000000000..9213a3f2fc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/missing-component-global/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'String' is not defined. Consider adding a <script> block with 'export let String' to declare a prop",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/missing-component/input.svelte b/vitest/compile-time/validator/samples/missing-component/input.svelte
new file mode 100644
index 0000000000..2b689d711c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/missing-component/input.svelte
@@ -0,0 +1,3 @@
+<div>
+	<Widget/>
+</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/missing-component/warnings.json b/vitest/compile-time/validator/samples/missing-component/warnings.json
new file mode 100644
index 0000000000..eeb8b1f4ea
--- /dev/null
+++ b/vitest/compile-time/validator/samples/missing-component/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'Widget' is not defined. Consider adding a <script> block with 'export let Widget' to declare a prop",
+		"start": {
+			"line": 2,
+			"column": 1
+		},
+		"end": {
+			"line": 2,
+			"column": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/missing-custom-element-compile-options/input.svelte b/vitest/compile-time/validator/samples/missing-custom-element-compile-options/input.svelte
new file mode 100644
index 0000000000..2313d81896
--- /dev/null
+++ b/vitest/compile-time/validator/samples/missing-custom-element-compile-options/input.svelte
@@ -0,0 +1 @@
+<svelte:options customElement="custom-element" />
diff --git a/vitest/compile-time/validator/samples/missing-custom-element-compile-options/warnings.json b/vitest/compile-time/validator/samples/missing-custom-element-compile-options/warnings.json
new file mode 100644
index 0000000000..f0cef37936
--- /dev/null
+++ b/vitest/compile-time/validator/samples/missing-custom-element-compile-options/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-custom-element-compile-options",
+		"end": {
+			"column": 46,
+			"line": 1
+		},
+		"message": "The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?",
+		"start": {
+			"column": 16,
+			"line": 1
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/module-script-reactive-declaration/input.svelte b/vitest/compile-time/validator/samples/module-script-reactive-declaration/input.svelte
new file mode 100644
index 0000000000..9df1cd54dd
--- /dev/null
+++ b/vitest/compile-time/validator/samples/module-script-reactive-declaration/input.svelte
@@ -0,0 +1,5 @@
+<script context="module">
+	let num = 2;
+	let square;
+	$: square = num * num;
+</script>
diff --git a/vitest/compile-time/validator/samples/module-script-reactive-declaration/warnings.json b/vitest/compile-time/validator/samples/module-script-reactive-declaration/warnings.json
new file mode 100644
index 0000000000..81d5bc9664
--- /dev/null
+++ b/vitest/compile-time/validator/samples/module-script-reactive-declaration/warnings.json
@@ -0,0 +1,8 @@
+[
+	{
+		"message": "$: has no effect in a module script",
+		"code": "module-script-reactive-declaration",
+		"start": { "line": 4, "column": 1 },
+		"end": { "line": 4, "column": 23 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/multiple-script-default-context/errors.json b/vitest/compile-time/validator/samples/multiple-script-default-context/errors.json
new file mode 100644
index 0000000000..ef79afebdd
--- /dev/null
+++ b/vitest/compile-time/validator/samples/multiple-script-default-context/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-script",
+		"message": "A component can only have one instance-level <script> element",
+		"start": {
+			"line": 5,
+			"column": 0
+		},
+		"end": {
+			"line": 5,
+			"column": 0
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/multiple-script-default-context/input.svelte b/vitest/compile-time/validator/samples/multiple-script-default-context/input.svelte
new file mode 100644
index 0000000000..9fdca4ccfc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/multiple-script-default-context/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let foo;
+</script>
+
+<script>
+	let bar;
+</script>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/multiple-script-module-context/errors.json b/vitest/compile-time/validator/samples/multiple-script-module-context/errors.json
new file mode 100644
index 0000000000..5dc7a90a74
--- /dev/null
+++ b/vitest/compile-time/validator/samples/multiple-script-module-context/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-script",
+		"message": "A component can only have one <script context=\"module\"> element",
+		"start": {
+			"line": 5,
+			"column": 0
+		},
+		"end": {
+			"line": 5,
+			"column": 0
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/multiple-script-module-context/input.svelte b/vitest/compile-time/validator/samples/multiple-script-module-context/input.svelte
new file mode 100644
index 0000000000..b43f3cb8c8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/multiple-script-module-context/input.svelte
@@ -0,0 +1,7 @@
+<script context="module">
+	let foo;
+</script>
+
+<script context="module">
+	let bar;
+</script>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/namespace-invalid-unguessable/errors.json b/vitest/compile-time/validator/samples/namespace-invalid-unguessable/errors.json
new file mode 100644
index 0000000000..880109e320
--- /dev/null
+++ b/vitest/compile-time/validator/samples/namespace-invalid-unguessable/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-namespace-property",
+		"message": "Invalid namespace 'lol'",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 31
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/namespace-invalid-unguessable/input.svelte b/vitest/compile-time/validator/samples/namespace-invalid-unguessable/input.svelte
new file mode 100644
index 0000000000..fdbd779b5c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/namespace-invalid-unguessable/input.svelte
@@ -0,0 +1 @@
+<svelte:options namespace="lol"/>
diff --git a/vitest/compile-time/validator/samples/namespace-invalid/errors.json b/vitest/compile-time/validator/samples/namespace-invalid/errors.json
new file mode 100644
index 0000000000..acab9d3fae
--- /dev/null
+++ b/vitest/compile-time/validator/samples/namespace-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-namespace-property",
+		"message": "Invalid namespace 'http://www.w3.org/1999/svg' (did you mean 'http://www.w3.org/2000/svg'?)",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 54
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/namespace-invalid/input.svelte b/vitest/compile-time/validator/samples/namespace-invalid/input.svelte
new file mode 100644
index 0000000000..7d0189bbb4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/namespace-invalid/input.svelte
@@ -0,0 +1 @@
+<svelte:options namespace="http://www.w3.org/1999/svg"/>
diff --git a/vitest/compile-time/validator/samples/namespace-non-literal/errors.json b/vitest/compile-time/validator/samples/namespace-non-literal/errors.json
new file mode 100644
index 0000000000..697e9e9327
--- /dev/null
+++ b/vitest/compile-time/validator/samples/namespace-non-literal/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-namespace-attribute",
+		"message": "The 'namespace' attribute must be a string literal representing a valid namespace",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 30
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/namespace-non-literal/input.svelte b/vitest/compile-time/validator/samples/namespace-non-literal/input.svelte
new file mode 100644
index 0000000000..e7d600810f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/namespace-non-literal/input.svelte
@@ -0,0 +1 @@
+<svelte:options namespace={ns}/>
diff --git a/vitest/compile-time/validator/samples/non-empty-block-dev/_config.js b/vitest/compile-time/validator/samples/non-empty-block-dev/_config.js
new file mode 100644
index 0000000000..083edcd210
--- /dev/null
+++ b/vitest/compile-time/validator/samples/non-empty-block-dev/_config.js
@@ -0,0 +1,3 @@
+export default {
+	dev: true
+};
diff --git a/vitest/compile-time/validator/samples/non-empty-block-dev/input.svelte b/vitest/compile-time/validator/samples/non-empty-block-dev/input.svelte
new file mode 100644
index 0000000000..689f3fa2fe
--- /dev/null
+++ b/vitest/compile-time/validator/samples/non-empty-block-dev/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let x;
+</script>
+
+{#if x}
+	&nbsp;
+{/if}
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/non-empty-block-dev/warnings.json b/vitest/compile-time/validator/samples/non-empty-block-dev/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/non-empty-block-dev/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/reactive-declaration-cyclical/errors.json b/vitest/compile-time/validator/samples/reactive-declaration-cyclical/errors.json
new file mode 100644
index 0000000000..b4e3161be6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-declaration-cyclical/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"message": "Cyclical dependency detected: a → b → a",
+		"code": "cyclical-reactive-declaration",
+		"start": { "line": 5, "column": 1 },
+		"end": { "line": 5, "column": 14 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/reactive-declaration-cyclical/input.svelte b/vitest/compile-time/validator/samples/reactive-declaration-cyclical/input.svelte
new file mode 100644
index 0000000000..c8221b9aa8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-declaration-cyclical/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let a = 1;
+	let b = 2;
+
+	$: a = b + 1;
+	$: b = a + 1;
+</script>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/reactive-declaration-non-top-level/input.svelte b/vitest/compile-time/validator/samples/reactive-declaration-non-top-level/input.svelte
new file mode 100644
index 0000000000..ddba4819e0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-declaration-non-top-level/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	let num = 2;
+	$: square = num * num;
+
+	function myFunc() {
+		$: double = num * 2;
+	}
+</script>
diff --git a/vitest/compile-time/validator/samples/reactive-declaration-non-top-level/warnings.json b/vitest/compile-time/validator/samples/reactive-declaration-non-top-level/warnings.json
new file mode 100644
index 0000000000..f677ecb28f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-declaration-non-top-level/warnings.json
@@ -0,0 +1,8 @@
+[
+	{
+		"message": "$: has no effect outside of the top-level",
+		"code": "non-top-level-reactive-declaration",
+		"start": { "line": 6, "column": 2 },
+		"end": { "line": 6, "column": 22 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/reactive-module-const-variable/input.svelte b/vitest/compile-time/validator/samples/reactive-module-const-variable/input.svelte
new file mode 100644
index 0000000000..c89cc1c1d0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-module-const-variable/input.svelte
@@ -0,0 +1,9 @@
+<script context="module">
+	export const foo = 123;
+	export const doFoo = (foo) => foo;
+</script>
+
+<script>
+	$: bar = foo;
+	$: doFoo(bar);
+</script>
diff --git a/vitest/compile-time/validator/samples/reactive-module-const-variable/warnings.json b/vitest/compile-time/validator/samples/reactive-module-const-variable/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-module-const-variable/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/reactive-module-variable-2/input.svelte b/vitest/compile-time/validator/samples/reactive-module-variable-2/input.svelte
new file mode 100644
index 0000000000..d36d9cf210
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-module-variable-2/input.svelte
@@ -0,0 +1,7 @@
+<script context="module">
+	let PI = 3.14;
+</script>
+<script>
+	let r;
+	$: area = PI * r * r;
+</script>
diff --git a/vitest/compile-time/validator/samples/reactive-module-variable-2/warnings.json b/vitest/compile-time/validator/samples/reactive-module-variable-2/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-module-variable-2/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/reactive-module-variable/input.svelte b/vitest/compile-time/validator/samples/reactive-module-variable/input.svelte
new file mode 100644
index 0000000000..5a540de4f0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-module-variable/input.svelte
@@ -0,0 +1,6 @@
+<script context="module">
+	let foo;
+</script>
+<script>
+	$: bar = foo;
+</script>
diff --git a/vitest/compile-time/validator/samples/reactive-module-variable/warnings.json b/vitest/compile-time/validator/samples/reactive-module-variable/warnings.json
new file mode 100644
index 0000000000..5fb84a8505
--- /dev/null
+++ b/vitest/compile-time/validator/samples/reactive-module-variable/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "module-script-reactive-declaration",
+		"message": "\"foo\" is declared in a module script and will not be reactive",
+		"start": {
+			"column": 4,
+			"line": 5
+		},
+		"end": {
+			"column": 14,
+			"line": 5
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ref-not-supported-in-css/errors.json b/vitest/compile-time/validator/samples/ref-not-supported-in-css/errors.json
new file mode 100644
index 0000000000..c64c7fefe3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ref-not-supported-in-css/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-ref-selector",
+		"message": "ref selectors are no longer supported",
+		"start": {
+			"line": 8,
+			"column": 1
+		},
+		"end": {
+			"line": 8,
+			"column": 1
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ref-not-supported-in-css/input.svelte b/vitest/compile-time/validator/samples/ref-not-supported-in-css/input.svelte
new file mode 100644
index 0000000000..dcd6974ef1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ref-not-supported-in-css/input.svelte
@@ -0,0 +1,11 @@
+<script>
+	let foo;
+</script>
+
+<div bind:this={foo}></div>
+
+<style>
+	ref:foo {
+		color: red;
+	}
+</style>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/ref-not-supported/errors.json b/vitest/compile-time/validator/samples/ref-not-supported/errors.json
new file mode 100644
index 0000000000..875efc8f9e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ref-not-supported/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-ref-directive",
+		"message": "The ref directive is no longer supported — use `bind:this={foo}` instead",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 5
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/ref-not-supported/input.svelte b/vitest/compile-time/validator/samples/ref-not-supported/input.svelte
new file mode 100644
index 0000000000..97e43ab90a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/ref-not-supported/input.svelte
@@ -0,0 +1 @@
+<div ref:foo></div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding-2/input.svelte b/vitest/compile-time/validator/samples/rest-eachblock-binding-2/input.svelte
new file mode 100644
index 0000000000..d92557673b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding-2/input.svelte
@@ -0,0 +1,11 @@
+<script>
+	let objArray = [
+		[1, 2, 3, "4"],
+		[5, 6, 7, "8"],
+	];
+</script>
+
+{#each objArray as [id, ...rest] (id)}
+	<input bind:value={rest[0]} type="text" placeholder={rest[2]} />
+	<br />
+{/each}
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding-2/warnings.json b/vitest/compile-time/validator/samples/rest-eachblock-binding-2/warnings.json
new file mode 100644
index 0000000000..64d71823dd
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding-2/warnings.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-rest-eachblock-binding",
+		"message": "The rest operator (...) will create a new object and binding 'rest' with the original object will not work",
+		"start": { "line": 8, "column": 27 },
+		"end": { "line": 8, "column": 31 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding-3/input.svelte b/vitest/compile-time/validator/samples/rest-eachblock-binding-3/input.svelte
new file mode 100644
index 0000000000..b8bae0cd7f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding-3/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	let objArray = [{ bar: {foo: '1', id: 0, innerValue: "test"} }, { bar: {foo: '2', id:1, innerValue: "Somethin"} }]
+</script>
+
+{#each objArray as { bar: { id, ...rest } } (id)}
+	<input bind:value={rest.innerValue} type="text" placeholder={rest.foo}/>
+	<br/>
+{/each}
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding-3/warnings.json b/vitest/compile-time/validator/samples/rest-eachblock-binding-3/warnings.json
new file mode 100644
index 0000000000..cad7a4e0fe
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding-3/warnings.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-rest-eachblock-binding",
+		"message": "The rest operator (...) will create a new object and binding 'rest' with the original object will not work",
+		"start": { "line": 5, "column": 35 },
+		"end": { "line": 5, "column": 39 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding-nested-rest/input.svelte b/vitest/compile-time/validator/samples/rest-eachblock-binding-nested-rest/input.svelte
new file mode 100644
index 0000000000..31f32975f6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding-nested-rest/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	const a = [[1, 2, 3, 4, 5]];
+</script>
+
+{#each a as [first, second, ...[third, ...{ length }]]}
+	<p>{first}, {second}, {length}</p>
+	<input bind:value={third} />
+	<input bind:value={length} />
+{/each}
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding-nested-rest/warnings.json b/vitest/compile-time/validator/samples/rest-eachblock-binding-nested-rest/warnings.json
new file mode 100644
index 0000000000..e8615de680
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding-nested-rest/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "invalid-rest-eachblock-binding",
+		"end": {
+			"column": 37,
+			"line": 5
+		},
+		"message": "The rest operator (...) will create a new object and binding 'third' with the original object will not work",
+		"start": {
+			"column": 32,
+			"line": 5
+		}
+	},
+	{
+		"code": "invalid-rest-eachblock-binding",
+		"end": {
+			"column": 50,
+			"line": 5
+		},
+		"message": "The rest operator (...) will create a new object and binding 'length' with the original object will not work",
+		"start": {
+			"column": 44,
+			"line": 5
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding/input.svelte b/vitest/compile-time/validator/samples/rest-eachblock-binding/input.svelte
new file mode 100644
index 0000000000..7b96705448
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	let objArray = [{foo: '1', id: 0, innerValue: "test"}, {foo: '2', id:1, innerValue: "Somethin"}]
+</script>
+
+{#each objArray as { id, ...rest } (id)}
+	<input bind:value={rest.innerValue} type="text" placeholder={rest.foo}/>
+	<br/>
+{/each}
diff --git a/vitest/compile-time/validator/samples/rest-eachblock-binding/warnings.json b/vitest/compile-time/validator/samples/rest-eachblock-binding/warnings.json
new file mode 100644
index 0000000000..68ae480882
--- /dev/null
+++ b/vitest/compile-time/validator/samples/rest-eachblock-binding/warnings.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-rest-eachblock-binding",
+		"message": "The rest operator (...) will create a new object and binding 'rest' with the original object will not work",
+		"start": { "line": 5, "column": 28 },
+		"end": { "line": 5, "column": 32 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/script-invalid-context/errors.json b/vitest/compile-time/validator/samples/script-invalid-context/errors.json
new file mode 100644
index 0000000000..7046bd50ee
--- /dev/null
+++ b/vitest/compile-time/validator/samples/script-invalid-context/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-script",
+		"message": "If the context attribute is supplied, its value must be \"module\"",
+		"start": {
+			"line": 1,
+			"column": 8
+		},
+		"end": {
+			"line": 1,
+			"column": 8
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/script-invalid-context/input.svelte b/vitest/compile-time/validator/samples/script-invalid-context/input.svelte
new file mode 100644
index 0000000000..d25935d25b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/script-invalid-context/input.svelte
@@ -0,0 +1,3 @@
+<script context="nope">
+	let foo;
+</script>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/_config.js b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/_config.js
new file mode 100644
index 0000000000..52f59c8767
--- /dev/null
+++ b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/_config.js
@@ -0,0 +1,3 @@
+export default {
+	legacy: true
+};
diff --git a/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/input.svelte b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/input.svelte
new file mode 100644
index 0000000000..f5361e5cfe
--- /dev/null
+++ b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/input.svelte
@@ -0,0 +1,33 @@
+<a href="https://svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="https://svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="https://svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href={'https://svelte.dev'} target="_blank">svelte website (invalid)</a>
+<a href={'https://svelte.dev'} target="_blank" rel="">svelte website (invalid)</a>
+<a href={'https://svelte.dev'} target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="//svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="//svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="//svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="http://svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="http://svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="http://svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="HTTP://svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href={'HTTPS://svelte.dev'} target="_blank">svelte website (invalid)</a>
+<a href={'HTTPS://svelte.dev'} target="_blank" rel="">svelte website (invalid)</a>
+<a href={'HTTPS://svelte.dev'} target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="same-host" target="_blank">Same host (valid)</a>
+<a href="same-host" target="_blank" rel="">Same host (valid)</a>
+<a href="same-host" target="_blank" rel="noopener">Same host (valid)</a>
+<a href="http://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="http://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="https://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="https://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="HTTPS://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="HTTPS://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="//svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="//svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<!-- dynamic rel value should not warn-->
+<a href="//svelte.dev" target="_blank" rel={`${Math.random()}`}>svelte website (valid)</a>
diff --git a/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/warnings.json b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/warnings.json
new file mode 100644
index 0000000000..2986f137e7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer-legacy/warnings.json
@@ -0,0 +1,218 @@
+[
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 73,
+			"line": 1
+		},
+		"start": {
+			"column": 0,
+			"line": 1
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 80,
+			"line": 2
+		},
+		"start": {
+			"column": 0,
+			"line": 2
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 88,
+			"line": 3
+		},
+		"start": {
+			"column": 0,
+			"line": 3
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 75,
+			"line": 4
+		},
+		"start": {
+			"column": 0,
+			"line": 4
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 82,
+			"line": 5
+		},
+		"start": {
+			"column": 0,
+			"line": 5
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 90,
+			"line": 6
+		},
+		"start": {
+			"column": 0,
+			"line": 6
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 67,
+			"line": 7
+		},
+		"start": {
+			"column": 0,
+			"line": 7
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 74,
+			"line": 8
+		},
+		"start": {
+			"column": 0,
+			"line": 8
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 82,
+			"line": 9
+		},
+		"start": {
+			"column": 0,
+			"line": 9
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 72,
+			"line": 10
+		},
+		"start": {
+			"column": 0,
+			"line": 10
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 79,
+			"line": 11
+		},
+		"start": {
+			"column": 0,
+			"line": 11
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 87,
+			"line": 12
+		},
+		"start": {
+			"column": 0,
+			"line": 12
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 72,
+			"line": 13
+		},
+		"start": {
+			"column": 0,
+			"line": 13
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 79,
+			"line": 14
+		},
+		"start": {
+			"column": 0,
+			"line": 14
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 87,
+			"line": 15
+		},
+		"start": {
+			"column": 0,
+			"line": 15
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 75,
+			"line": 16
+		},
+		"start": {
+			"column": 0,
+			"line": 16
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 82,
+			"line": 17
+		},
+		"start": {
+			"column": 0,
+			"line": 17
+		}
+	},
+	{
+		"code": "security-anchor-rel-noreferrer",
+		"message": "Security: Anchor with \"target=_blank\" should have rel attribute containing the value \"noreferrer\"",
+		"end": {
+			"column": 90,
+			"line": 18
+		},
+		"start": {
+			"column": 0,
+			"line": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/security-anchor-rel-noreferer/input.svelte b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer/input.svelte
new file mode 100644
index 0000000000..f5361e5cfe
--- /dev/null
+++ b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer/input.svelte
@@ -0,0 +1,33 @@
+<a href="https://svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="https://svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="https://svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href={'https://svelte.dev'} target="_blank">svelte website (invalid)</a>
+<a href={'https://svelte.dev'} target="_blank" rel="">svelte website (invalid)</a>
+<a href={'https://svelte.dev'} target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="//svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="//svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="//svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="http://svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="http://svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="http://svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="HTTP://svelte.dev" target="_blank">svelte website (invalid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="">svelte website (invalid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href={'HTTPS://svelte.dev'} target="_blank">svelte website (invalid)</a>
+<a href={'HTTPS://svelte.dev'} target="_blank" rel="">svelte website (invalid)</a>
+<a href={'HTTPS://svelte.dev'} target="_blank" rel="noopener">svelte website (invalid)</a>
+<a href="same-host" target="_blank">Same host (valid)</a>
+<a href="same-host" target="_blank" rel="">Same host (valid)</a>
+<a href="same-host" target="_blank" rel="noopener">Same host (valid)</a>
+<a href="http://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="http://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="HTTP://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="https://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="https://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="HTTPS://svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="HTTPS://svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<a href="//svelte.dev" target="_blank" rel="noreferrer">svelte website (valid)</a>
+<a href="//svelte.dev" target="_blank" rel="noreferrer noopener">svelte website (valid)</a>
+<!-- dynamic rel value should not warn-->
+<a href="//svelte.dev" target="_blank" rel={`${Math.random()}`}>svelte website (valid)</a>
diff --git a/vitest/compile-time/validator/samples/security-anchor-rel-noreferer/warnings.json b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/security-anchor-rel-noreferer/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/select-multiple/input.svelte b/vitest/compile-time/validator/samples/select-multiple/input.svelte
new file mode 100644
index 0000000000..14cba6b882
--- /dev/null
+++ b/vitest/compile-time/validator/samples/select-multiple/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	let value;
+</script>
+
+<select bind:value multiple>
+	<option>1</option>
+</select>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/_config.js b/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/_config.js
new file mode 100644
index 0000000000..6fc797bfd8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/_config.js
@@ -0,0 +1,3 @@
+export default {
+	customElement: true
+};
diff --git a/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/input.svelte b/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/input.svelte
new file mode 100644
index 0000000000..0ec25f7ac4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/input.svelte
@@ -0,0 +1,18 @@
+<svelte:options customElement="custom-element" />
+
+<h1>test</h1>
+<slot>
+  <span>Hello</span>
+</slot>
+
+<style>
+	/* This will not be picked up */
+	h1 + slot > span {
+		color: red;
+	}
+
+	/* This will be picked up */
+	h1 + span {
+		color: red;
+	}
+</style>
diff --git a/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json b/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
new file mode 100644
index 0000000000..f641467e9a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/siblings-combinator-in-custom-element-selects-slot-fallback/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "css-unused-selector",
+		"end": {
+			"column": 17,
+			"line": 10
+		},
+		"message": "Unused CSS selector \"h1 + slot > span\"",
+		"start": {
+			"column": 1,
+			"line": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/silence-warnings-2/input.svelte b/vitest/compile-time/validator/samples/silence-warnings-2/input.svelte
new file mode 100644
index 0000000000..81cb90b7be
--- /dev/null
+++ b/vitest/compile-time/validator/samples/silence-warnings-2/input.svelte
@@ -0,0 +1,9 @@
+<script context="module">
+	let foo;
+</script>
+
+<!-- svelte-ignore unused-export-let module-script-reactive-declaration -->
+<script>
+	export let unused;
+	$: reactive = foo;
+</script>
diff --git a/vitest/compile-time/validator/samples/silence-warnings-2/warnings.json b/vitest/compile-time/validator/samples/silence-warnings-2/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/silence-warnings-2/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/silence-warnings/input.svelte b/vitest/compile-time/validator/samples/silence-warnings/input.svelte
new file mode 100644
index 0000000000..0e473f51db
--- /dev/null
+++ b/vitest/compile-time/validator/samples/silence-warnings/input.svelte
@@ -0,0 +1,15 @@
+<script context="module">
+	let foo;
+</script>
+
+<script>
+	// svelte-ignore unused-export-let
+	export let unused;
+	// svelte-ignore module-script-reactive-declaration
+	$: reactive = foo;
+</script>
+
+<!-- svelte-ignore css-unused-selector -->
+<style>
+	.unused {}
+</style>
diff --git a/vitest/compile-time/validator/samples/silence-warnings/warnings.json b/vitest/compile-time/validator/samples/silence-warnings/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/silence-warnings/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/slot-attribute-invalid/errors.json b/vitest/compile-time/validator/samples/slot-attribute-invalid/errors.json
new file mode 100644
index 0000000000..643e96359c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-attribute-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-slotted-content",
+		"message": "Element with a slot='...' attribute must be a child of a component or a descendant of a custom element",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 15
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/slot-attribute-invalid/input.svelte b/vitest/compile-time/validator/samples/slot-attribute-invalid/input.svelte
new file mode 100644
index 0000000000..ed407bb894
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-attribute-invalid/input.svelte
@@ -0,0 +1 @@
+<div slot='foo'>invalid</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/slot-warning-ignore/input.svelte b/vitest/compile-time/validator/samples/slot-warning-ignore/input.svelte
new file mode 100644
index 0000000000..032264aa97
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-warning-ignore/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	import Component from './Component.svelte';
+</script>
+
+<Component>
+	<!-- svelte-ignore a11y-click-events-have-key-events -->
+	<!-- svelte-ignore a11y-no-static-element-interactions -->
+	<div slot='foo' on:click>hi!</div>
+</Component>
diff --git a/vitest/compile-time/validator/samples/slot-warning-ignore/warnings.json b/vitest/compile-time/validator/samples/slot-warning-ignore/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-warning-ignore/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/slot-warning/input.svelte b/vitest/compile-time/validator/samples/slot-warning/input.svelte
new file mode 100644
index 0000000000..d5f0e7b210
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-warning/input.svelte
@@ -0,0 +1,8 @@
+<script>
+	import Component from './Component.svelte';
+</script>
+
+<Component>
+	<!-- svelte-ignore a11y-no-static-element-interactions -->
+	<div slot='foo' on:click>hi!</div>
+</Component>
diff --git a/vitest/compile-time/validator/samples/slot-warning/warnings.json b/vitest/compile-time/validator/samples/slot-warning/warnings.json
new file mode 100644
index 0000000000..52157ecc45
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-warning/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"column": 1,
+			"line": 7
+		},
+		"end": {
+			"column": 35,
+			"line": 7
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/slot-warning2/input.svelte b/vitest/compile-time/validator/samples/slot-warning2/input.svelte
new file mode 100644
index 0000000000..e1cf63a5bf
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-warning2/input.svelte
@@ -0,0 +1,9 @@
+<script>
+	import Component from './Component.svelte';
+</script>
+
+<Component>
+	<!-- svelte-ignore unrelated-warning -->
+	<!-- svelte-ignore a11y-no-static-element-interactions -->
+	<div slot='foo' on:click>hi!</div>
+</Component>
diff --git a/vitest/compile-time/validator/samples/slot-warning2/warnings.json b/vitest/compile-time/validator/samples/slot-warning2/warnings.json
new file mode 100644
index 0000000000..b6dcf85b97
--- /dev/null
+++ b/vitest/compile-time/validator/samples/slot-warning2/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "a11y-click-events-have-key-events",
+		"message": "A11y: visible, non-interactive elements with an on:click event must be accompanied by an on:keydown, on:keyup, or on:keypress event.",
+		"start": {
+			"column": 1,
+			"line": 8
+		},
+		"end": {
+			"column": 35,
+			"line": 8
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/style-directive-modifiers-invalid/errors.json b/vitest/compile-time/validator/samples/style-directive-modifiers-invalid/errors.json
new file mode 100644
index 0000000000..ef7d27a1f6
--- /dev/null
+++ b/vitest/compile-time/validator/samples/style-directive-modifiers-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"message": "Valid modifiers for style directives are: important",
+		"code": "invalid-style-directive-modifier",
+		"start": {
+			"line": 1,
+			"column": 8
+		},
+		"end": {
+			"line": 1,
+			"column": 29
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/style-directive-modifiers-invalid/input.svelte b/vitest/compile-time/validator/samples/style-directive-modifiers-invalid/input.svelte
new file mode 100644
index 0000000000..5fd7b1b1b5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/style-directive-modifiers-invalid/input.svelte
@@ -0,0 +1 @@
+<button style:color|bad='red'></button>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/svelte-fragment-placement-2/errors.json b/vitest/compile-time/validator/samples/svelte-fragment-placement-2/errors.json
new file mode 100644
index 0000000000..871e5f5de0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/svelte-fragment-placement-2/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-slotted-content",
+		"message": "<svelte:fragment> must be a child of a component",
+		"start": { "line": 5, "column": 0 },
+		"end": { "line": 7, "column": 18 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/svelte-fragment-placement-2/input.svelte b/vitest/compile-time/validator/samples/svelte-fragment-placement-2/input.svelte
new file mode 100644
index 0000000000..4fad457bd8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/svelte-fragment-placement-2/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	import Nested from './Nested.svelte';
+</script>
+
+<svelte:fragment>
+	<div>test</div>
+</svelte:fragment>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/svelte-fragment-placement/errors.json b/vitest/compile-time/validator/samples/svelte-fragment-placement/errors.json
new file mode 100644
index 0000000000..6635953209
--- /dev/null
+++ b/vitest/compile-time/validator/samples/svelte-fragment-placement/errors.json
@@ -0,0 +1,8 @@
+[
+	{
+		"code": "invalid-slotted-content",
+		"message": "<svelte:fragment> must be a child of a component",
+		"start": { "line": 7, "column": 2 },
+		"end": { "line": 9, "column": 20 }
+	}
+]
diff --git a/vitest/compile-time/validator/samples/svelte-fragment-placement/input.svelte b/vitest/compile-time/validator/samples/svelte-fragment-placement/input.svelte
new file mode 100644
index 0000000000..a09639dd71
--- /dev/null
+++ b/vitest/compile-time/validator/samples/svelte-fragment-placement/input.svelte
@@ -0,0 +1,11 @@
+<script>
+	import Nested from './Nested.svelte';
+</script>
+
+<Nested>
+	<div>
+		<svelte:fragment>
+			<div>test</div>
+		</svelte:fragment>
+	</div>
+</Nested>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/svg-child-component-declared-namespace/input.svelte b/vitest/compile-time/validator/samples/svg-child-component-declared-namespace/input.svelte
new file mode 100644
index 0000000000..124265adb3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/svg-child-component-declared-namespace/input.svelte
@@ -0,0 +1,10 @@
+<svelte:options namespace="svg"/>
+
+<script>
+	export let x;
+	export let y;
+	export let width;
+	export let height;
+</script>
+
+<rect x={x} y={y} width={width} height={height}/>
diff --git a/vitest/compile-time/validator/samples/svg-child-component-declared-namespace/warnings.json b/vitest/compile-time/validator/samples/svg-child-component-declared-namespace/warnings.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/svg-child-component-declared-namespace/warnings.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/tag-custom-element-options-missing/input.svelte b/vitest/compile-time/validator/samples/tag-custom-element-options-missing/input.svelte
new file mode 100644
index 0000000000..4159cd71e0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-custom-element-options-missing/input.svelte
@@ -0,0 +1 @@
+<svelte:options customElement="custom-element" />
diff --git a/vitest/compile-time/validator/samples/tag-custom-element-options-missing/warnings.json b/vitest/compile-time/validator/samples/tag-custom-element-options-missing/warnings.json
new file mode 100644
index 0000000000..43f7a266dc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-custom-element-options-missing/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-custom-element-compile-options",
+		"message": "The 'customElement' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 46
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/tag-custom-element-options-true/_config.js b/vitest/compile-time/validator/samples/tag-custom-element-options-true/_config.js
new file mode 100644
index 0000000000..6fc797bfd8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-custom-element-options-true/_config.js
@@ -0,0 +1,3 @@
+export default {
+	customElement: true
+};
diff --git a/vitest/compile-time/validator/samples/tag-custom-element-options-true/input.svelte b/vitest/compile-time/validator/samples/tag-custom-element-options-true/input.svelte
new file mode 100644
index 0000000000..4159cd71e0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-custom-element-options-true/input.svelte
@@ -0,0 +1 @@
+<svelte:options customElement="custom-element" />
diff --git a/vitest/compile-time/validator/samples/tag-invalid/errors.json b/vitest/compile-time/validator/samples/tag-invalid/errors.json
new file mode 100644
index 0000000000..3b479c7c58
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-tag-property",
+		"message": "tag name must be two or more words joined by the '-' character",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 39
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/tag-invalid/input.svelte b/vitest/compile-time/validator/samples/tag-invalid/input.svelte
new file mode 100644
index 0000000000..7311283eca
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-invalid/input.svelte
@@ -0,0 +1 @@
+<svelte:options customElement="invalid" />
diff --git a/vitest/compile-time/validator/samples/tag-non-string/errors.json b/vitest/compile-time/validator/samples/tag-non-string/errors.json
new file mode 100644
index 0000000000..aba8b9bc95
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-non-string/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-tag-attribute",
+		"message": "'tag' must be a string literal",
+		"start": {
+			"line": 1,
+			"column": 16
+		},
+		"end": {
+			"line": 1,
+			"column": 24
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/tag-non-string/input.svelte b/vitest/compile-time/validator/samples/tag-non-string/input.svelte
new file mode 100644
index 0000000000..168b3ca031
--- /dev/null
+++ b/vitest/compile-time/validator/samples/tag-non-string/input.svelte
@@ -0,0 +1 @@
+<svelte:options tag={42}/>
diff --git a/vitest/compile-time/validator/samples/textarea-value-children/errors.json b/vitest/compile-time/validator/samples/textarea-value-children/errors.json
new file mode 100644
index 0000000000..4c9e7e853c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/textarea-value-children/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "textarea-duplicate-value",
+		"message": "A <textarea> can have either a value attribute or (equivalently) child content, but not both",
+		"start": {
+			"line": 1,
+			"column": 10
+		},
+		"end": {
+			"line": 1,
+			"column": 23
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/textarea-value-children/input.svelte b/vitest/compile-time/validator/samples/textarea-value-children/input.svelte
new file mode 100644
index 0000000000..d94066aa48
--- /dev/null
+++ b/vitest/compile-time/validator/samples/textarea-value-children/input.svelte
@@ -0,0 +1,3 @@
+<textarea value='{foo}'>
+	some illegal text
+</textarea>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/title-no-attributes/errors.json b/vitest/compile-time/validator/samples/title-no-attributes/errors.json
new file mode 100644
index 0000000000..a58598d50c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/title-no-attributes/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-attribute",
+		"message": "<title> cannot have attributes",
+		"start": {
+			"line": 2,
+			"column": 8
+		},
+		"end": {
+			"line": 2,
+			"column": 25
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/title-no-attributes/input.svelte b/vitest/compile-time/validator/samples/title-no-attributes/input.svelte
new file mode 100644
index 0000000000..0e2dbefa73
--- /dev/null
+++ b/vitest/compile-time/validator/samples/title-no-attributes/input.svelte
@@ -0,0 +1,3 @@
+<svelte:head>
+	<title data-invalid=true>a static title</title>
+</svelte:head>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/title-no-children/errors.json b/vitest/compile-time/validator/samples/title-no-children/errors.json
new file mode 100644
index 0000000000..fa1c0fdce2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/title-no-children/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "illegal-structure",
+		"message": "<title> can only contain text and {tags}",
+		"start": {
+			"line": 2,
+			"column": 11
+		},
+		"end": {
+			"line": 2,
+			"column": 35
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/title-no-children/input.svelte b/vitest/compile-time/validator/samples/title-no-children/input.svelte
new file mode 100644
index 0000000000..dcefadf2b0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/title-no-children/input.svelte
@@ -0,0 +1,3 @@
+<svelte:head>
+	<title>an <strong>invalid</strong> title</title>
+</svelte:head>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-in-transition/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-in-transition/errors.json
new file mode 100644
index 0000000000..2af6bfca8b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-in-transition/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element cannot have both an 'in' directive and a 'transition' directive",
+		"start": {
+			"line": 6,
+			"column": 12
+		},
+		"end": {
+			"line": 6,
+			"column": 26
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-in-transition/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-in-transition/input.svelte
new file mode 100644
index 0000000000..aa7f72847b
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-in-transition/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div in:foo transition:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-in/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-in/errors.json
new file mode 100644
index 0000000000..eba48be226
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-in/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element can only have one 'in' directive",
+		"start": {
+			"line": 6,
+			"column": 12
+		},
+		"end": {
+			"line": 6,
+			"column": 18
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-in/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-in/input.svelte
new file mode 100644
index 0000000000..d1bc020347
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-in/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div in:foo in:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-out-transition/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-out-transition/errors.json
new file mode 100644
index 0000000000..cb1a474216
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-out-transition/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element cannot have both an 'out' directive and a 'transition' directive",
+		"start": {
+			"line": 6,
+			"column": 13
+		},
+		"end": {
+			"line": 6,
+			"column": 27
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-out-transition/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-out-transition/input.svelte
new file mode 100644
index 0000000000..80efc85607
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-out-transition/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div out:foo transition:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-out/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-out/errors.json
new file mode 100644
index 0000000000..34c57ab1b8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-out/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element can only have one 'out' directive",
+		"start": {
+			"line": 6,
+			"column": 13
+		},
+		"end": {
+			"line": 6,
+			"column": 20
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-out/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-out/input.svelte
new file mode 100644
index 0000000000..70442f85e5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-out/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div out:foo out:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-transition-in/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-transition-in/errors.json
new file mode 100644
index 0000000000..c88dd30d16
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-transition-in/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element cannot have both a 'transition' directive and an 'in' directive",
+		"start": {
+			"line": 6,
+			"column": 20
+		},
+		"end": {
+			"line": 6,
+			"column": 26
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-transition-in/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-transition-in/input.svelte
new file mode 100644
index 0000000000..dd3ad9a2be
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-transition-in/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div transition:foo in:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-transition-out/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-transition-out/errors.json
new file mode 100644
index 0000000000..8c1a2a2706
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-transition-out/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element cannot have both a 'transition' directive and an 'out' directive",
+		"start": {
+			"line": 6,
+			"column": 20
+		},
+		"end": {
+			"line": 6,
+			"column": 27
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-transition-out/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-transition-out/input.svelte
new file mode 100644
index 0000000000..aafd0c548a
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-transition-out/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div transition:foo out:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-transition/errors.json b/vitest/compile-time/validator/samples/transition-duplicate-transition/errors.json
new file mode 100644
index 0000000000..1c93b5cb87
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-transition/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "duplicate-transition",
+		"message": "An element can only have one 'transition' directive",
+		"start": {
+			"line": 6,
+			"column": 20
+		},
+		"end": {
+			"line": 6,
+			"column": 34
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-duplicate-transition/input.svelte b/vitest/compile-time/validator/samples/transition-duplicate-transition/input.svelte
new file mode 100644
index 0000000000..6af44914e0
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-duplicate-transition/input.svelte
@@ -0,0 +1,6 @@
+<script>
+	function foo() {}
+	function bar() {}
+</script>
+
+<div transition:foo transition:bar>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-missing/input.svelte b/vitest/compile-time/validator/samples/transition-missing/input.svelte
new file mode 100644
index 0000000000..5d0e1b7067
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-missing/input.svelte
@@ -0,0 +1 @@
+<div in:foo>...</div>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/transition-missing/warnings.json b/vitest/compile-time/validator/samples/transition-missing/warnings.json
new file mode 100644
index 0000000000..c47fece7d1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-missing/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'foo' is not defined. Consider adding a <script> block with 'export let foo' to declare a prop",
+		"start": {
+			"line": 1,
+			"column": 5
+		},
+		"end": {
+			"line": 1,
+			"column": 11
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-on-component/errors.json b/vitest/compile-time/validator/samples/transition-on-component/errors.json
new file mode 100644
index 0000000000..0a08dd3297
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-on-component/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-transition",
+		"message": "Transitions can only be applied to DOM elements, not components",
+		"start": {
+			"line": 7,
+			"column": 8
+		},
+		"end": {
+			"line": 7,
+			"column": 14
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/transition-on-component/input.svelte b/vitest/compile-time/validator/samples/transition-on-component/input.svelte
new file mode 100644
index 0000000000..12c3cd9bf8
--- /dev/null
+++ b/vitest/compile-time/validator/samples/transition-on-component/input.svelte
@@ -0,0 +1,7 @@
+<script>
+	import Widget from './Widget.svelte';
+
+	function foo() {}
+</script>
+
+<Widget in:foo/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/undefined-value-global/input.svelte b/vitest/compile-time/validator/samples/undefined-value-global/input.svelte
new file mode 100644
index 0000000000..44e7332bf5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/undefined-value-global/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	console.log(potato);
+</script>
+
+<p>{potato}</p>
diff --git a/vitest/compile-time/validator/samples/undefined-value-global/warnings.json b/vitest/compile-time/validator/samples/undefined-value-global/warnings.json
new file mode 100644
index 0000000000..b6c2c184b2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/undefined-value-global/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'potato' is not defined",
+		"start": {
+			"line": 5,
+			"column": 4
+		},
+		"end": {
+			"line": 5,
+			"column": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/undefined-value/input.svelte b/vitest/compile-time/validator/samples/undefined-value/input.svelte
new file mode 100644
index 0000000000..0dec9632a7
--- /dev/null
+++ b/vitest/compile-time/validator/samples/undefined-value/input.svelte
@@ -0,0 +1,6 @@
+<p>{potato}</p>
+<p>{Math.max(1, 2)}</p>
+
+{#each window.something as foo, i (foo.x + i)}
+	hello
+{/each}
diff --git a/vitest/compile-time/validator/samples/undefined-value/warnings.json b/vitest/compile-time/validator/samples/undefined-value/warnings.json
new file mode 100644
index 0000000000..52546fb043
--- /dev/null
+++ b/vitest/compile-time/validator/samples/undefined-value/warnings.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "missing-declaration",
+		"message": "'potato' is not defined. Consider adding a <script> block with 'export let potato' to declare a prop",
+		"start": {
+			"line": 1,
+			"column": 4
+		},
+		"end": {
+			"line": 1,
+			"column": 10
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/unreferenced-variables-each/input.svelte b/vitest/compile-time/validator/samples/unreferenced-variables-each/input.svelte
new file mode 100644
index 0000000000..a96f9189a2
--- /dev/null
+++ b/vitest/compile-time/validator/samples/unreferenced-variables-each/input.svelte
@@ -0,0 +1,20 @@
+<script>
+	let Component;
+	export let array;
+	export let default_value_1;
+	export let default_value_2;
+	export let default_value_3;
+	export let default_value_4;
+	export let default_value_5;
+	export let default_value_6;
+</script>
+
+<Component>
+	<svelte:fragment let:a={default_value_6}>
+		{#each array as default_value_5}
+			{#each array as { a = default_value_1, b: { b = [default_value_2, default_value_3], c: [c = default_value_4] }, d = default_value_5, e = default_value_6 }}
+				{a}{b}{c}{d}{e}
+			{/each}
+		{/each}
+	</svelte:fragment>
+</Component>
diff --git a/vitest/compile-time/validator/samples/unreferenced-variables-each/warnings.json b/vitest/compile-time/validator/samples/unreferenced-variables-each/warnings.json
new file mode 100644
index 0000000000..d66d0dc978
--- /dev/null
+++ b/vitest/compile-time/validator/samples/unreferenced-variables-each/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "unused-export-let",
+		"message": "Component_1 has unused export property 'default_value_5'. If it is for external reference only, please consider using `export const default_value_5`",
+		"start": {
+			"column": 12,
+			"line": 8
+		},
+		"end": {
+			"column": 27,
+			"line": 8
+		}
+	},
+	{
+		"code": "unused-export-let",
+		"message": "Component_1 has unused export property 'default_value_6'. If it is for external reference only, please consider using `export const default_value_6`",
+		"start": {
+			"column": 12,
+			"line": 9
+		},
+		"end": {
+			"column": 27,
+			"line": 9
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/unreferenced-variables/input.svelte b/vitest/compile-time/validator/samples/unreferenced-variables/input.svelte
new file mode 100644
index 0000000000..cebd861985
--- /dev/null
+++ b/vitest/compile-time/validator/samples/unreferenced-variables/input.svelte
@@ -0,0 +1,48 @@
+<script context="module">
+  var a1 = 1;
+  let b1 = 1;
+  const c1 = 1;
+  var d1 = 1;
+  let e1 = 1;
+  const f1 = 1;
+  export { d1, e1, f1};
+  export var g1 = 1;
+  export let h1 = 1;
+  export const i1 = 1;
+  export let j1 = () => {};
+  export const k1 = () => {};
+  export function l1() {};
+  var m1 = 1;
+  let n1 = 1;
+  const o1 = 1;
+  function foo1() {
+    return m1 + n1 + o1;
+  }
+  export let p1;
+</script>
+
+<script>
+  var a2 = 1;
+  let b2 = 1;
+  const c2 = 1;
+  var d2 = 1;
+  let e2 = 1;
+  const f2 = 1;
+  export { d2, e2, f2};
+  export var g2 = 1;
+  export let h2 = 1;
+  export const i2 = 1;
+  export let j2 = () => {};
+  export const k2 = () => {};
+  export function l2() {};
+  var m2 = 1;
+  let n2 = 1;
+  const o2 = 1;
+  function foo2() {
+    return m2 + n2 + o2;
+  }
+  export let p2;
+  export let q2;
+  $p2;
+</script>
+{$q2}
diff --git a/vitest/compile-time/validator/samples/unreferenced-variables/warnings.json b/vitest/compile-time/validator/samples/unreferenced-variables/warnings.json
new file mode 100644
index 0000000000..e96a81e0dc
--- /dev/null
+++ b/vitest/compile-time/validator/samples/unreferenced-variables/warnings.json
@@ -0,0 +1,62 @@
+[
+	{
+		"code": "unused-export-let",
+		"end": {
+			"column": 13,
+			"line": 31
+		},
+		"message": "Component has unused export property 'd2'. If it is for external reference only, please consider using `export const d2`",
+		"start": {
+			"column": 11,
+			"line": 31
+		}
+	},
+	{
+		"code": "unused-export-let",
+		"end": {
+			"column": 17,
+			"line": 31
+		},
+		"message": "Component has unused export property 'e2'. If it is for external reference only, please consider using `export const e2`",
+		"start": {
+			"column": 15,
+			"line": 31
+		}
+	},
+	{
+		"code": "unused-export-let",
+		"end": {
+			"column": 19,
+			"line": 32
+		},
+		"message": "Component has unused export property 'g2'. If it is for external reference only, please consider using `export const g2`",
+		"start": {
+			"column": 13,
+			"line": 32
+		}
+	},
+	{
+		"code": "unused-export-let",
+		"end": {
+			"column": 19,
+			"line": 33
+		},
+		"message": "Component has unused export property 'h2'. If it is for external reference only, please consider using `export const h2`",
+		"start": {
+			"column": 13,
+			"line": 33
+		}
+	},
+	{
+		"code": "unused-export-let",
+		"end": {
+			"column": 26,
+			"line": 35
+		},
+		"message": "Component has unused export property 'j2'. If it is for external reference only, please consider using `export const j2`",
+		"start": {
+			"column": 13,
+			"line": 35
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/use-the-platform/input.svelte b/vitest/compile-time/validator/samples/use-the-platform/input.svelte
new file mode 100644
index 0000000000..bff03d2ed5
--- /dev/null
+++ b/vitest/compile-time/validator/samples/use-the-platform/input.svelte
@@ -0,0 +1,2 @@
+<div className="abc"></div>
+<label htmlFor="i"><input /></label>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/use-the-platform/warnings.json b/vitest/compile-time/validator/samples/use-the-platform/warnings.json
new file mode 100644
index 0000000000..2dfe6b5c8e
--- /dev/null
+++ b/vitest/compile-time/validator/samples/use-the-platform/warnings.json
@@ -0,0 +1,26 @@
+[
+	{
+		"code": "invalid-html-attribute",
+		"message": "'className' is not a valid HTML attribute. Did you mean 'class'?",
+		"start": {
+			"column": 5,
+			"line": 1
+		},
+		"end": {
+			"column": 20,
+			"line": 1
+		}
+	},
+	{
+		"code": "invalid-html-attribute",
+		"message": "'htmlFor' is not a valid HTML attribute. Did you mean 'for'?",
+		"start": {
+			"column": 7,
+			"line": 2
+		},
+		"end": {
+			"column": 18,
+			"line": 2
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/valid-reactive-vars/errors.json b/vitest/compile-time/validator/samples/valid-reactive-vars/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/valid-reactive-vars/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/valid-reactive-vars/input.svelte b/vitest/compile-time/validator/samples/valid-reactive-vars/input.svelte
new file mode 100644
index 0000000000..0052101bd9
--- /dev/null
+++ b/vitest/compile-time/validator/samples/valid-reactive-vars/input.svelte
@@ -0,0 +1,18 @@
+<script>
+  var name = 'name';
+  var c = 'cc';
+  let d = 'd';
+  $: {
+      function a() {
+        function b() {
+          var c = 'c';
+          return c;
+        }
+        return b;
+      }
+    let d = 'dd';
+    name = a()();
+  }
+</script>
+
+<h1>Hello {name}</h1>
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid-innerwidth/errors.json b/vitest/compile-time/validator/samples/window-binding-invalid-innerwidth/errors.json
new file mode 100644
index 0000000000..0baccb2b7f
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid-innerwidth/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'innerwidth' is not a valid binding on <svelte:window> (did you mean 'innerWidth'?)",
+		"start": {
+			"line": 1,
+			"column": 15
+		},
+		"end": {
+			"line": 1,
+			"column": 34
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid-innerwidth/input.svelte b/vitest/compile-time/validator/samples/window-binding-invalid-innerwidth/input.svelte
new file mode 100644
index 0000000000..72b5e36cf1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid-innerwidth/input.svelte
@@ -0,0 +1 @@
+<svelte:window bind:innerwidth={w}/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid-value/errors.json b/vitest/compile-time/validator/samples/window-binding-invalid-value/errors.json
new file mode 100644
index 0000000000..a0029bef4d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid-value/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "Bindings on <svelte:window> must be to top-level properties, e.g. 'baz' rather than 'foo.bar.baz'",
+		"start": {
+			"line": 1,
+			"column": 32
+		},
+		"end": {
+			"line": 1,
+			"column": 43
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid-value/input.svelte b/vitest/compile-time/validator/samples/window-binding-invalid-value/input.svelte
new file mode 100644
index 0000000000..7bfc3d58f1
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid-value/input.svelte
@@ -0,0 +1 @@
+<svelte:window bind:innerWidth={foo.bar.baz}/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid-width/errors.json b/vitest/compile-time/validator/samples/window-binding-invalid-width/errors.json
new file mode 100644
index 0000000000..031ba52d5c
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid-width/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'width' is not a valid binding on <svelte:window> (did you mean 'innerWidth'?)",
+		"start": {
+			"line": 1,
+			"column": 15
+		},
+		"end": {
+			"line": 1,
+			"column": 29
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid-width/input.svelte b/vitest/compile-time/validator/samples/window-binding-invalid-width/input.svelte
new file mode 100644
index 0000000000..88dcd5aa02
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid-width/input.svelte
@@ -0,0 +1 @@
+<svelte:window bind:width={w}/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid/errors.json b/vitest/compile-time/validator/samples/window-binding-invalid/errors.json
new file mode 100644
index 0000000000..64e6b090a4
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid/errors.json
@@ -0,0 +1,14 @@
+[
+	{
+		"code": "invalid-binding",
+		"message": "'potato' is not a valid binding on <svelte:window> — valid bindings are innerWidth, innerHeight, outerWidth, outerHeight, scrollX, scrollY, devicePixelRatio or online",
+		"start": {
+			"line": 1,
+			"column": 15
+		},
+		"end": {
+			"line": 1,
+			"column": 32
+		}
+	}
+]
diff --git a/vitest/compile-time/validator/samples/window-binding-invalid/input.svelte b/vitest/compile-time/validator/samples/window-binding-invalid/input.svelte
new file mode 100644
index 0000000000..6ee989b7f3
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-invalid/input.svelte
@@ -0,0 +1 @@
+<svelte:window bind:potato={foo}/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/samples/window-binding-online/errors.json b/vitest/compile-time/validator/samples/window-binding-online/errors.json
new file mode 100644
index 0000000000..fe51488c70
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-online/errors.json
@@ -0,0 +1 @@
+[]
diff --git a/vitest/compile-time/validator/samples/window-binding-online/input.svelte b/vitest/compile-time/validator/samples/window-binding-online/input.svelte
new file mode 100644
index 0000000000..99aa93b12d
--- /dev/null
+++ b/vitest/compile-time/validator/samples/window-binding-online/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	let online;
+</script>
+
+<svelte:window bind:online/>
\ No newline at end of file
diff --git a/vitest/compile-time/validator/validator.spec.js b/vitest/compile-time/validator/validator.spec.js
new file mode 100644
index 0000000000..8f04a80277
--- /dev/null
+++ b/vitest/compile-time/validator/validator.spec.js
@@ -0,0 +1,205 @@
+import * as fs from 'fs';
+import { describe, it, assert } from 'vitest';
+import * as svelte from '../../../compiler.mjs';
+import { tryToLoadJson } from '../../helpers.js';
+
+function try_load_config(path) {
+	return import(path).then(
+		(mod) => mod.default,
+		() => ({})
+	);
+}
+
+describe('validate', () => {
+	fs.readdirSync(`${__dirname}/samples`).forEach((dir) => {
+		if (dir[0] === '.') return;
+
+		// add .solo to a sample directory name to only run that test
+		const solo = /\.solo/.test(dir);
+		const skip = /\.skip/.test(dir);
+
+		const it_fn = solo ? it.only : skip ? it.skip : it;
+
+		it_fn(dir, async () => {
+			const config = await try_load_config(`${__dirname}/samples/${dir}/_config.js`);
+
+			const input = fs
+				.readFileSync(`${__dirname}/samples/${dir}/input.svelte`, 'utf-8')
+				.replace(/\s+$/, '')
+				.replace(/\r/g, '');
+
+			const expected_warnings = tryToLoadJson(`${__dirname}/samples/${dir}/warnings.json`) || [];
+			const expected_errors = tryToLoadJson(`${__dirname}/samples/${dir}/errors.json`);
+			const options = tryToLoadJson(`${__dirname}/samples/${dir}/options.json`);
+
+			let error;
+
+			try {
+				const { warnings } = svelte.compile(input, {
+					dev: config.dev,
+					legacy: config.legacy,
+					generate: false,
+					customElement: config.customElement,
+					...options,
+					filename: 'component'
+				});
+
+				assert.deepEqual(
+					warnings.map((w) => ({
+						code: w.code,
+						message: w.message,
+						start: { line: w.start.line, column: w.start.column },
+						end: { line: w.end.line, column: w.end.column }
+					})),
+					expected_warnings
+				);
+			} catch (e) {
+				error = e;
+			}
+
+			const expected = expected_errors && expected_errors[0];
+
+			if (error || expected) {
+				if (error && !expected) {
+					throw error;
+				}
+
+				if (expected && !error) {
+					throw new Error(`Expected an error: ${expected.message}`);
+				}
+
+				try {
+					assert.deepEqual(
+						{
+							code: error.code,
+							message: error.message,
+							start: { line: error.start.line, column: error.start.column },
+							end: { line: error.end.line, column: error.end.column }
+						},
+						expected
+					);
+				} catch (e) {
+					console.error(error);
+					throw e;
+				}
+			}
+		});
+	});
+
+	it('errors if options.name is illegal', () => {
+		assert.throws(() => {
+			svelte.compile('<div></div>', {
+				name: 'not.valid',
+				generate: false
+			});
+		}, /options\.name must be a valid identifier/);
+	});
+
+	it('check warning position', () => {
+		const { warnings } = svelte.compile('\n  <img \n src="foo.jpg">\n', {
+			generate: false
+		});
+
+		assert.deepEqual(
+			warnings.map((w) => {
+				return {
+					code: w.code,
+					frame: w.frame,
+					message: w.message,
+					start: {
+						character: w.start.character,
+						column: w.start.column,
+						line: w.start.line
+					},
+					end: {
+						character: w.end.character,
+						column: w.end.column,
+						line: w.end.line
+					},
+					pos: w.pos
+				};
+			}),
+			[
+				{
+					code: 'a11y-missing-attribute',
+					frame: '1: \n2:   <img \n     ^\n3:  src="foo.jpg">\n4: ',
+					message: 'A11y: <img> element should have an alt attribute',
+					start: {
+						character: 3,
+						column: 2,
+						line: 2
+					},
+					end: {
+						character: 24,
+						column: 15,
+						line: 3
+					},
+					pos: 3
+				}
+			]
+		);
+	});
+
+	it('warns if options.name is not capitalised', () => {
+		const { warnings } = svelte.compile('<div></div>', {
+			name: 'lowercase',
+			generate: false
+		});
+
+		assert.deepEqual(
+			warnings.map((w) => ({
+				code: w.code,
+				message: w.message
+			})),
+			[
+				{
+					code: 'options-lowercase-name',
+					message: 'options.name should be capitalised'
+				}
+			]
+		);
+	});
+
+	it('does not warn if options.name begins with non-alphabetic character', () => {
+		const { warnings } = svelte.compile('<div></div>', {
+			name: '_',
+			generate: false
+		});
+
+		assert.deepEqual(warnings, []);
+	});
+
+	it('errors if namespace is provided but unrecognised', () => {
+		assert.throws(() => {
+			svelte.compile('<div></div>', {
+				name: 'test',
+				namespace: 'svefefe'
+			});
+		}, /Invalid namespace 'svefefe'/);
+	});
+
+	it('errors with a hint if namespace is provided but unrecognised but close', () => {
+		assert.throws(() => {
+			svelte.compile('<div></div>', {
+				name: 'test',
+				namespace: 'foriegn'
+			});
+		}, /Invalid namespace 'foriegn' \(did you mean 'foreign'\?\)/);
+	});
+
+	it("does not throw error if 'this' is bound for foreign element", () => {
+		assert.doesNotThrow(() => {
+			svelte.compile(
+				`
+			<script>
+				let whatever;
+			</script>
+			<div bind:this={whatever} />`,
+				{
+					name: 'test',
+					namespace: 'foreign'
+				}
+			);
+		});
+	});
+});