diff --git a/packages/svelte/tests/parser-legacy/samples/javascript-comments/output.json b/packages/svelte/tests/parser-legacy/samples/javascript-comments/output.json
index 3775c48228..97afe8249d 100644
--- a/packages/svelte/tests/parser-legacy/samples/javascript-comments/output.json
+++ b/packages/svelte/tests/parser-legacy/samples/javascript-comments/output.json
@@ -880,5 +880,423 @@
 			],
 			"sourceType": "module"
 		}
-	}
+	},
+	"comments": [
+		{
+			"type": "Line",
+			"value": " a leading comment",
+			"start": 10,
+			"end": 30,
+			"loc": {
+				"start": {
+					"line": 2,
+					"column": 1
+				},
+				"end": {
+					"line": 2,
+					"column": 21
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " a trailing comment",
+			"start": 45,
+			"end": 66,
+			"loc": {
+				"start": {
+					"line": 3,
+					"column": 14
+				},
+				"end": {
+					"line": 3,
+					"column": 35
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": "* a comment ",
+			"start": 83,
+			"end": 99,
+			"loc": {
+				"start": {
+					"line": 6,
+					"column": 1
+				},
+				"end": {
+					"line": 6,
+					"column": 17
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " trailing",
+			"start": 125,
+			"end": 136,
+			"loc": {
+				"start": {
+					"line": 8,
+					"column": 7
+				},
+				"end": {
+					"line": 8,
+					"column": 18
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " leading comment 1 ",
+			"start": 139,
+			"end": 162,
+			"loc": {
+				"start": {
+					"line": 9,
+					"column": 2
+				},
+				"end": {
+					"line": 9,
+					"column": 25
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " leading comment 2 ",
+			"start": 165,
+			"end": 188,
+			"loc": {
+				"start": {
+					"line": 10,
+					"column": 2
+				},
+				"end": {
+					"line": 10,
+					"column": 25
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " leading comment 3 ",
+			"start": 191,
+			"end": 214,
+			"loc": {
+				"start": {
+					"line": 11,
+					"column": 2
+				},
+				"end": {
+					"line": 11,
+					"column": 25
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing comment 1 ",
+			"start": 224,
+			"end": 248,
+			"loc": {
+				"start": {
+					"line": 13,
+					"column": 2
+				},
+				"end": {
+					"line": 13,
+					"column": 26
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing comment 2 ",
+			"start": 251,
+			"end": 275,
+			"loc": {
+				"start": {
+					"line": 14,
+					"column": 2
+				},
+				"end": {
+					"line": 14,
+					"column": 26
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing comment 3 ",
+			"start": 278,
+			"end": 302,
+			"loc": {
+				"start": {
+					"line": 15,
+					"column": 2
+				},
+				"end": {
+					"line": 15,
+					"column": 26
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " leading comment 1",
+			"start": 326,
+			"end": 346,
+			"loc": {
+				"start": {
+					"line": 19,
+					"column": 2
+				},
+				"end": {
+					"line": 19,
+					"column": 22
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " leading comment 2",
+			"start": 349,
+			"end": 369,
+			"loc": {
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+					"line": 20,
+					"column": 2
+				},
+				"end": {
+					"line": 20,
+					"column": 22
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " trailing comment 1",
+			"start": 375,
+			"end": 396,
+			"loc": {
+				"start": {
+					"line": 21,
+					"column": 5
+				},
+				"end": {
+					"line": 21,
+					"column": 26
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing comment 2 ",
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+			"end": 423,
+			"loc": {
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+					"column": 2
+				},
+				"end": {
+					"line": 22,
+					"column": 26
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " leading comment 1",
+			"start": 449,
+			"end": 469,
+			"loc": {
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+					"column": 2
+				},
+				"end": {
+					"line": 26,
+					"column": 22
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " leading comment 2",
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+			"end": 492,
+			"loc": {
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+					"column": 2
+				},
+				"end": {
+					"line": 27,
+					"column": 22
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " trailing comment 1",
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+			"end": 522,
+			"loc": {
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+					"column": 8
+				},
+				"end": {
+					"line": 28,
+					"column": 29
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing comment 2 ",
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+			"end": 549,
+			"loc": {
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+					"column": 2
+				},
+				"end": {
+					"line": 29,
+					"column": 26
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " comment",
+			"start": 584,
+			"end": 594,
+			"loc": {
+				"start": {
+					"line": 34,
+					"column": 11
+				},
+				"end": {
+					"line": 34,
+					"column": 21
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " another comment ",
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+			"end": 627,
+			"loc": {
+				"start": {
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+					"column": 2
+				},
+				"end": {
+					"line": 36,
+					"column": 23
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " a trailing comment",
+			"start": 636,
+			"end": 657,
+			"loc": {
+				"start": {
+					"line": 37,
+					"column": 8
+				},
+				"end": {
+					"line": 37,
+					"column": 29
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing block comment ",
+			"start": 660,
+			"end": 688,
+			"loc": {
+				"start": {
+					"line": 38,
+					"column": 2
+				},
+				"end": {
+					"line": 38,
+					"column": 30
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " leading block comment ",
+			"start": 696,
+			"end": 723,
+			"loc": {
+				"start": {
+					"line": 41,
+					"column": 1
+				},
+				"end": {
+					"line": 41,
+					"column": 28
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " leading line comment",
+			"start": 739,
+			"end": 762,
+			"loc": {
+				"start": {
+					"line": 43,
+					"column": 2
+				},
+				"end": {
+					"line": 43,
+					"column": 25
+				}
+			}
+		},
+		{
+			"type": "Line",
+			"value": " trailing line comment",
+			"start": 770,
+			"end": 794,
+			"loc": {
+				"start": {
+					"line": 44,
+					"column": 7
+				},
+				"end": {
+					"line": 44,
+					"column": 31
+				}
+			}
+		},
+		{
+			"type": "Block",
+			"value": " trailing block comment ",
+			"start": 796,
+			"end": 824,
+			"loc": {
+				"start": {
+					"line": 45,
+					"column": 1
+				},
+				"end": {
+					"line": 45,
+					"column": 29
+				}
+			}
+		}
+	]
 }
diff --git a/packages/svelte/tests/parser-legacy/samples/script-comment-only/output.json b/packages/svelte/tests/parser-legacy/samples/script-comment-only/output.json
index 0f7d0b8465..362979da4d 100644
--- a/packages/svelte/tests/parser-legacy/samples/script-comment-only/output.json
+++ b/packages/svelte/tests/parser-legacy/samples/script-comment-only/output.json
@@ -51,5 +51,23 @@
 				}
 			]
 		}
-	}
+	},
+	"comments": [
+		{
+			"type": "Line",
+			"value": " TODO write some code",
+			"start": 10,
+			"end": 33,
+			"loc": {
+				"start": {
+					"line": 2,
+					"column": 1
+				},
+				"end": {
+					"line": 2,
+					"column": 24
+				}
+			}
+		}
+	]
 }