diff --git a/.github/stale.yml b/.github/stale.yml
index 5c0020ef2b..3bc3fa6b99 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -8,6 +8,7 @@ exemptLabels:
   - popular
   - pinned
   - security
+  - bug
   - "[Status] Maybe Later"
 
 # Set to true to ignore issues in a project (defaults to false)
@@ -31,7 +32,7 @@ limitPerRun: 30
 
 # Optionally, specify configuration settings that are specific to just 'issues' or 'pulls':
 pulls:
-  daysUntilStale: 180
+  daysUntilStale: 210
   daysUntilClose: 25
   markComment: >
     This pull request has been automatically marked as stale because it has not had
@@ -41,7 +42,7 @@ pulls:
     This pull request has been closed as it was previously marked as stale and saw no subsequent activity.
 
 issues:
-  daysUntilStale: 90
+  daysUntilStale: 180
   daysUntilClose: 14
   markComment: >
     This issue has been automatically marked as stale because it has not had
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 406aab993a..f6a9fdf42f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,37 +9,24 @@ jobs:
         node-version: [8, 10, 12, 14]
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - id: npm-cache-dir
-      run: echo "::set-output name=dir::$(npm config get cache)"
-    - uses: actions/cache@v2
-      id: npm-cache
-      with:
-        path: ${{ steps.npm-cache-dir.outputs.dir }}
-        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: ${{ runner.os }}-node-
-    - run: npm install
-    - run: npm test
-      env:
-        CI: true
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: npm
+      - run: npm install
+      - run: npm test
+        env:
+          CI: true
   Lint:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v1
-    - id: npm-cache-dir
-      run: echo "::set-output name=dir::$(npm config get cache)"
-    - uses: actions/cache@v2
-      id: npm-cache
-      with:
-        path: ${{ steps.npm-cache-dir.outputs.dir }}
-        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: ${{ runner.os }}-node-
-    - run: 'npm i && npm run lint'
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v2
+        with:
+          cache: npm
+      - run: 'npm i && npm run lint'
   Unit:
     runs-on: ${{ matrix.os }}
     timeout-minutes: 10
@@ -47,14 +34,8 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v1
-    - id: npm-cache-dir
-      run: echo "::set-output name=dir::$(npm config get cache)"
-    - uses: actions/cache@v2
-      id: npm-cache
-      with:
-        path: ${{ steps.npm-cache-dir.outputs.dir }}
-        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: ${{ runner.os }}-node-
-    - run: 'npm i && npm run test:unit'
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v2
+        with:
+          cache: npm
+      - run: 'npm i && npm run test:unit'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fe2a84361..c4e2d701f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,9 +12,14 @@
 * Fix compiler error when using `:where()` inside `:global()` ([#6434](https://github.com/sveltejs/svelte/issues/6434))
 * Fix erroneous `unknown prop` warning when using slot on a component ([#6065](https://github.com/sveltejs/svelte/pull/6065))
 * Fix `:global()` with pseudo element not being seen as global ([#6470](https://github.com/sveltejs/svelte/pull/6470))
+* Allow `:global()` to contain multiple selectors when it is not part of a larger selector ([#6477](https://github.com/sveltejs/svelte/issues/6477))
 * Add a11y warning `a11y-mouse-events-have-key-events` which checks that `mouseover`/`mouseout` are accompanied by `focus`/`blur` event handlers ([#5938](https://github.com/sveltejs/svelte/pull/5938))
 * Remove deprecated a11y warning `a11y-no-onchange warning` ([#6457](https://github.com/sveltejs/svelte/issues/6457))
 * Stop checking `a11y-media-has-caption` a11y warning on `<audio>` elements ([#6054](https://github.com/sveltejs/svelte/issues/6054))
+* Relax `derived` function signature ([#6178](https://github.com/sveltejs/svelte/issues/6178))
+* Support `bind:group` in SSR ([#4621](https://github.com/sveltejs/svelte/pull/4621))
+* Add sourcemaps to html elements ([#6427](https://github.com/sveltejs/svelte/pull/6427))
+* Make `<script>` and `<style>` end tag parsing more robust ([#6511](https://github.com/sveltejs/svelte/pull/6511))
 * Make it possible to silence more warnings ([#5954](https://github.com/sveltejs/svelte/issues/5954))
 
 ## 3.38.3
diff --git a/package-lock.json b/package-lock.json
index c51e9aff70..d58fdac957 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -479,9 +479,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.0.tgz",
-      "integrity": "sha512-+G7P8jJmCHr+S+cLfQxygbWhXy+8YTVGzAkpEbcLo2mLoL7tij/VG41QSHACSf5QgYRhMZYHuNc6drJaO0Da+w==",
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.4.1.tgz",
+      "integrity": "sha512-asabaBSkEKosYKMITunzX177CXxQ4Q8BSSzMTKD+FefUhipQC70gfW5SiUDhYQ3vk8G+81HqQk7Fv9OXwwn9KA==",
       "dev": true
     },
     "acorn-globals": {
@@ -947,31 +947,32 @@
       }
     },
     "code-red": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/code-red/-/code-red-0.1.4.tgz",
-      "integrity": "sha512-NPiLFd1EfonYONCNXCH1oVirQMXk5oAOQ3FanRbjB4HZ09rTU/lZGKjVOOP0FKr4pccGVYE5I4CqtyU6ens2VA==",
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/code-red/-/code-red-0.2.1.tgz",
+      "integrity": "sha512-qn8UyXkRqHJnWkrgc5AGDjkgoqlK5BtelIykSCl89HOV/HMtVxZw2GTwD2A7uMbLgGmch4/KyJX+mcWuPpqCtg==",
       "dev": true,
       "requires": {
-        "acorn": "^7.3.1",
-        "is-reference": "^1.1.4",
+        "@types/estree": "^0.0.45",
+        "acorn": "^8.0.5",
+        "estree-walker": "^0.9.0",
+        "is-reference": "^2.0.0",
         "periscopic": "^2.0.1",
-        "sourcemap-codec": "^1.4.6"
+        "sourcemap-codec": "^1.4.8"
       },
       "dependencies": {
         "estree-walker": {
-          "version": "2.0.2",
-          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
-          "integrity": "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==",
+          "version": "0.9.0",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.9.0.tgz",
+          "integrity": "sha512-12U47o7XHUX329+x3FzNVjCx3SHEzMF0nkDv7r/HnBzX/xNTKxajBk6gyygaxrAFtLj39219oMfbtxv4KpaOiA==",
           "dev": true
         },
-        "periscopic": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/periscopic/-/periscopic-2.0.3.tgz",
-          "integrity": "sha512-FuCZe61mWxQOJAQFEfmt9FjzebRlcpFz8sFPbyaCKtdusPkMEbA9ey0eARnRav5zAhmXznhaQkKGFAPn7X9NUw==",
+        "is-reference": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-reference/-/is-reference-2.0.0.tgz",
+          "integrity": "sha512-kgaeJVq59jasPrhlGK/K61muTjLxMOZf4oMwI4X94nDWqkqLxDWVWrecCSP5c6OR8JF7Yul0X7h59lB1ho0epQ==",
           "dev": true,
           "requires": {
-            "estree-walker": "^2.0.2",
-            "is-reference": "^1.1.4"
+            "@types/estree": "*"
           }
         }
       }
@@ -1867,6 +1868,12 @@
         "eslint-visitor-keys": "^1.3.0"
       },
       "dependencies": {
+        "acorn": {
+          "version": "7.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+          "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
+          "dev": true
+        },
         "eslint-visitor-keys": {
           "version": "1.3.0",
           "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz",
@@ -2725,6 +2732,14 @@
         "whatwg-url": "^7.0.0",
         "ws": "^7.0.0",
         "xml-name-validator": "^3.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "7.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+          "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
+          "dev": true
+        }
       }
     },
     "json-parse-better-errors": {
@@ -3847,6 +3862,14 @@
         "@types/estree": "*",
         "@types/node": "*",
         "acorn": "^7.1.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "7.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+          "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
+          "dev": true
+        }
       }
     },
     "rollup-plugin-virtual": {
diff --git a/package.json b/package.json
index e61af67b4e..14cb172b14 100644
--- a/package.json
+++ b/package.json
@@ -112,10 +112,10 @@
     "@types/node": "^8.10.53",
     "@typescript-eslint/eslint-plugin": "^4.9.0",
     "@typescript-eslint/parser": "^4.9.0",
-    "acorn": "^7.4.0",
+    "acorn": "^8.4.1",
     "agadoo": "^1.1.0",
     "c8": "^5.0.1",
-    "code-red": "^0.1.4",
+    "code-red": "^0.2.1",
     "codecov": "^3.5.0",
     "css-tree": "^1.1.2",
     "eslint": "^7.15.0",
diff --git a/site/content/docs/01-component-format.md b/site/content/docs/01-component-format.md
index 05c55f9e0f..0d8cc6a43e 100644
--- a/site/content/docs/01-component-format.md
+++ b/site/content/docs/01-component-format.md
@@ -177,7 +177,7 @@ If a statement consists entirely of an assignment to an undeclared variable, Sve
 
 A *store* is an object that allows reactive access to a value via a simple *store contract*. The [`svelte/store` module](docs#svelte_store) contains minimal store implementations which fulfil this contract.
 
-Any time you have a reference to a store, you can access its value inside a component by prefixing it with the `$` character. This causes Svelte to declare the prefixed variable, and set up a store subscription that will be unsubscribed when appropriate.
+Any time you have a reference to a store, you can access its value inside a component by prefixing it with the `$` character. This causes Svelte to declare the prefixed variable, subscribe to the store at component initialization and unsubscribe when appropriate.
 
 Assignments to `$`-prefixed variables require that the variable be a writable store, and will result in a call to the store's `.set` method.
 
@@ -321,4 +321,4 @@ In that case, the `<style>` tag will be inserted as-is into the DOM, no scoping
 		}
 	</style>
 </div>
-```
\ No newline at end of file
+```
diff --git a/site/content/docs/02-template-syntax.md b/site/content/docs/02-template-syntax.md
index 923616ccae..ca0c1d4993 100644
--- a/site/content/docs/02-template-syntax.md
+++ b/site/content/docs/02-template-syntax.md
@@ -136,11 +136,14 @@ An element or component can have multiple spread attributes, interspersed with r
 
 Text can also contain JavaScript expressions:
 
+> If you're using a regular expression (`RegExp`) [literal notation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#literal_notation_and_constructor), you'll need to wrap it in parentheses.
+
 ```sv
 <h1>Hello {name}!</h1>
 <p>{a} + {b} = {a + b}.</p>
-```
 
+<div>{(/^[A-Za-z ]+$/).test(value) ? x : y}</div>
+```
 
 ### Comments
 
diff --git a/site/content/examples/12-svg/02-bar-chart/App.svelte b/site/content/examples/12-svg/02-bar-chart/App.svelte
index d44c0e67cf..7ad21545ff 100644
--- a/site/content/examples/12-svg/02-bar-chart/App.svelte
+++ b/site/content/examples/12-svg/02-bar-chart/App.svelte
@@ -38,9 +38,9 @@
 <div class="chart" bind:clientWidth={width} bind:clientHeight={height}>
 	<svg>
 		<!-- y axis -->
-		<g class="axis y-axis" transform="translate(0,{padding.top})">
+		<g class="axis y-axis">
 			{#each yTicks as tick}
-				<g class="tick tick-{tick}" transform="translate(0, {yScale(tick) - padding.bottom})">
+				<g class="tick tick-{tick}" transform="translate(0, {yScale(tick)})">
 					<line x2="100%"></line>
 					<text y="-4">{tick} {tick === 20 ? ' per 1,000 population' : ''}</text>
 				</g>
@@ -62,7 +62,7 @@
 					x="{xScale(i) + 2}"
 					y="{yScale(point.birthrate)}"
 					width="{barWidth - 4}"
-					height="{height - padding.bottom - yScale(point.birthrate)}"
+					height="{yScale(0) - yScale(point.birthrate)}"
 				></rect>
 			{/each}
 		</g>
@@ -115,4 +115,4 @@
 		stroke: none;
 		opacity: 0.65;
 	}
-</style>
\ No newline at end of file
+</style>
diff --git a/site/content/examples/21-miscellaneous/02-immutable-data/App.svelte b/site/content/examples/21-miscellaneous/02-immutable-data/App.svelte
index a7ce32cc55..0e2b0e6ae0 100644
--- a/site/content/examples/21-miscellaneous/02-immutable-data/App.svelte
+++ b/site/content/examples/21-miscellaneous/02-immutable-data/App.svelte
@@ -1,5 +1,3 @@
-<svelte:options immutable/>
-
 <script>
 	import ImmutableTodo from './ImmutableTodo.svelte';
 	import MutableTodo from './MutableTodo.svelte';
diff --git a/src/compiler/compile/css/Selector.ts b/src/compiler/compile/css/Selector.ts
index 8c282e4c35..8dfb135c3a 100644
--- a/src/compiler/compile/css/Selector.ts
+++ b/src/compiler/compile/css/Selector.ts
@@ -142,6 +142,15 @@ export default class Selector {
 			}
 		}
 
+		this.validate_global_with_multiple_selectors(component);
+	}
+
+	validate_global_with_multiple_selectors(component: Component) {
+		if (this.blocks.length === 1 && this.blocks[0].selectors.length === 1) {
+			// standalone :global() with multiple selectors is OK
+			return;
+		}
+
 		for (const block of this.blocks) {
 			for (const selector of block.selectors) {
 				if (selector.type === 'PseudoClassSelector' && selector.name === 'global') {
@@ -536,11 +545,11 @@ function has_definite_elements(result: Map<Element, NodeExist>): boolean {
 
 function add_to_map(from: Map<Element, NodeExist>, to: Map<Element, NodeExist>) {
 	from.forEach((exist, element) => {
-		to.set(element, higher_existance(exist, to.get(element)));
+		to.set(element, higher_existence(exist, to.get(element)));
 	});
 }
 
-function higher_existance(exist1: NodeExist | null, exist2: NodeExist | null): NodeExist {
+function higher_existence(exist1: NodeExist | null, exist2: NodeExist | null): NodeExist {
 	if (exist1 === undefined || exist2 === undefined) return exist1 || exist2;
 	return exist1 > exist2 ? exist1 : exist2;
 }
diff --git a/src/compiler/compile/nodes/shared/Expression.ts b/src/compiler/compile/nodes/shared/Expression.ts
index d07585eba6..7d4bc395cd 100644
--- a/src/compiler/compile/nodes/shared/Expression.ts
+++ b/src/compiler/compile/nodes/shared/Expression.ts
@@ -65,7 +65,7 @@ export default class Expression {
 		walk(info, {
 			enter(node: any, parent: any, key: string) {
 				// don't manipulate shorthand props twice
-				if (key === 'value' && parent.shorthand) return;
+				if (key === 'key' && parent.shorthand) return;
 				// don't manipulate `import.meta`, `new.target`
 				if (node.type === 'MetaProperty') return this.skip();
 
diff --git a/src/compiler/compile/render_dom/index.ts b/src/compiler/compile/render_dom/index.ts
index 10eb8276f1..152fd43ae1 100644
--- a/src/compiler/compile/render_dom/index.ts
+++ b/src/compiler/compile/render_dom/index.ts
@@ -3,7 +3,7 @@ import Component from '../Component';
 import Renderer from './Renderer';
 import { CompileOptions, CssResult } from '../../interfaces';
 import { walk } from 'estree-walker';
-import { extract_names, Scope } from '../utils/scope';
+import { extract_names, Scope } from 'periscopic';
 import { invalidate } from './invalidate';
 import Block from './Block';
 import { ClassDeclaration, FunctionExpression, Node, Statement, ObjectExpression, Expression } from 'estree';
diff --git a/src/compiler/compile/render_dom/invalidate.ts b/src/compiler/compile/render_dom/invalidate.ts
index 46ffe48284..7eeb34a894 100644
--- a/src/compiler/compile/render_dom/invalidate.ts
+++ b/src/compiler/compile/render_dom/invalidate.ts
@@ -1,5 +1,5 @@
 import { nodes_match } from '../../utils/nodes_match';
-import { Scope } from '../utils/scope';
+import { Scope } from 'periscopic';
 import { x } from 'code-red';
 import { Node, Expression } from 'estree';
 import Renderer from './Renderer';
@@ -52,7 +52,7 @@ export function invalidate(renderer: Renderer, scope: Scope, node: Node, names:
 	if (is_store_value) {
 		return x`@set_store_value(${head.name.slice(1)}, ${node}, ${head.name}, ${extra_args})`;
 	}
-	
+
 	let invalidate;
 	if (!main_execution_context) {
 		const pass_value = (
diff --git a/src/compiler/compile/render_dom/wrappers/Element/index.ts b/src/compiler/compile/render_dom/wrappers/Element/index.ts
index 9363015b1c..20dfed891d 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/index.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/index.ts
@@ -19,7 +19,7 @@ import { add_event_handler } from '../shared/add_event_handlers';
 import { add_action } from '../shared/add_actions';
 import bind_this from '../shared/bind_this';
 import { is_head } from '../shared/is_head';
-import { Identifier } from 'estree';
+import { Identifier, ExpressionStatement, CallExpression } from 'estree';
 import EventHandler from './EventHandler';
 import { extract_names } from 'periscopic';
 import Action from '../../../nodes/Action';
@@ -263,15 +263,23 @@ export default class ElementWrapper extends Wrapper {
 		}
 
 		if (parent_node) {
-			block.chunks.mount.push(
-				b`@append(${parent_node}, ${node});`
-			);
+			const append = b`@append(${parent_node}, ${node});`;
+			((append[0] as ExpressionStatement).expression as CallExpression).callee.loc = {
+				start: this.renderer.locate(this.node.start),
+				end: this.renderer.locate(this.node.end)
+			};
+			block.chunks.mount.push(append);
 
 			if (is_head(parent_node)) {
 				block.chunks.destroy.push(b`@detach(${node});`);
 			}
 		} else {
-			block.chunks.mount.push(b`@insert(#target, ${node}, #anchor);`);
+			const insert = b`@insert(#target, ${node}, #anchor);`;
+			((insert[0] as ExpressionStatement).expression as CallExpression).callee.loc = {
+				start: this.renderer.locate(this.node.start),
+				end: this.renderer.locate(this.node.end)
+			};
+			block.chunks.mount.push(insert);
 
 			// TODO we eventually need to consider what happens to elements
 			// that belong to the same outgroup as an outroing element...
diff --git a/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts b/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
index aa01769877..e6eab33fbd 100644
--- a/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
+++ b/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
@@ -344,7 +344,7 @@ export default class InlineComponentWrapper extends Wrapper {
 				contextual_dependencies.push(object.name, property.name);
 			}
 
-			const params = [x`#value`];
+			const params: Identifier[] = [x`#value` as Identifier];
 			const args = [x`#value`];
 			if (contextual_dependencies.length > 0) {
 
diff --git a/src/compiler/compile/render_dom/wrappers/Text.ts b/src/compiler/compile/render_dom/wrappers/Text.ts
index daa3ccfd20..edff44d1fd 100644
--- a/src/compiler/compile/render_dom/wrappers/Text.ts
+++ b/src/compiler/compile/render_dom/wrappers/Text.ts
@@ -44,10 +44,19 @@ export default class TextWrapper extends Wrapper {
 		if (this.skip) return;
 		const use_space = this.use_space();
 
+		const string_literal = {
+			type: 'Literal',
+			value: this.data,
+			loc: {
+				start: this.renderer.locate(this.node.start),
+				end: this.renderer.locate(this.node.end)
+			}
+		};
+
 		block.add_element(
 			this.var,
-			use_space ? x`@space()` : x`@text("${this.data}")`,
-			parent_nodes && (use_space ? x`@claim_space(${parent_nodes})` : x`@claim_text(${parent_nodes}, "${this.data}")`),
+			use_space ? x`@space()` : x`@text(${string_literal})`,
+			parent_nodes && (use_space ? x`@claim_space(${parent_nodes})` : x`@claim_text(${parent_nodes}, ${string_literal})`),
 			parent_node as Identifier
 		);
 	}
diff --git a/src/compiler/compile/render_ssr/handlers/Element.ts b/src/compiler/compile/render_ssr/handlers/Element.ts
index 03838039ad..5ef354a85a 100644
--- a/src/compiler/compile/render_ssr/handlers/Element.ts
+++ b/src/compiler/compile/render_ssr/handlers/Element.ts
@@ -1,5 +1,5 @@
 import { is_void } from '../../../utils/names';
-import { get_attribute_value, get_class_attribute_value } from './shared/get_attribute_value';
+import { get_attribute_expression, get_attribute_value, get_class_attribute_value } from './shared/get_attribute_value';
 import { boolean_attributes } from './shared/boolean_attributes';
 import Renderer, { RenderOptions } from '../Renderer';
 import Element from '../../nodes/Element';
@@ -110,7 +110,14 @@ export default function(node: Element, renderer: Renderer, options: RenderOption
 		}
 
 		if (name === 'group') {
-			// TODO server-render group bindings
+			const value_attribute = node.attributes.find(({ name }) => name === 'value');
+			if (value_attribute) {
+				const value = get_attribute_expression(value_attribute);
+				const type = node.get_static_attribute_value('type');
+				const bound = expression.node;
+				const condition = type === 'checkbox' ? x`~${bound}.indexOf(${value})`: x`${value} === ${bound}`;
+				renderer.add_expression(x`${condition} ? @add_attribute("checked", true, 1) : ""`);
+			}
 		} else if (contenteditable && (name === 'textContent' || name === 'innerHTML')) {
 			node_contents = expression.node;
 
diff --git a/src/compiler/compile/render_ssr/handlers/shared/get_attribute_value.ts b/src/compiler/compile/render_ssr/handlers/shared/get_attribute_value.ts
index 5c89a7a008..8af58bcc24 100644
--- a/src/compiler/compile/render_ssr/handlers/shared/get_attribute_value.ts
+++ b/src/compiler/compile/render_ssr/handlers/shared/get_attribute_value.ts
@@ -26,3 +26,10 @@ export function get_attribute_value(attribute: Attribute): ESTreeExpression {
 		})
 		.reduce((lhs, rhs) => x`${lhs} + ${rhs}`);
 }
+
+export function get_attribute_expression(attribute: Attribute): ESTreeExpression {
+	if (attribute.chunks.length === 1 && attribute.chunks[0].type === 'Expression') {
+		return (attribute.chunks[0] as Expression).node as ESTreeExpression;
+	}
+	return get_attribute_value(attribute);
+}
diff --git a/src/compiler/parse/index.ts b/src/compiler/parse/index.ts
index 0603a0f800..27067caf26 100644
--- a/src/compiler/parse/index.ts
+++ b/src/compiler/parse/index.ts
@@ -177,9 +177,9 @@ export class Parser {
 		return identifier;
 	}
 
-	read_until(pattern: RegExp) {
+	read_until(pattern: RegExp, error_message?: Parameters<Parser['error']>[0]) {
 		if (this.index >= this.template.length) {
-			this.error({
+			this.error(error_message || {
 				code: 'unexpected-eof',
 				message: 'Unexpected end of input'
 			});
diff --git a/src/compiler/parse/read/script.ts b/src/compiler/parse/read/script.ts
index 2855e640e7..db76cb8892 100644
--- a/src/compiler/parse/read/script.ts
+++ b/src/compiler/parse/read/script.ts
@@ -3,8 +3,6 @@ import { Parser } from '../index';
 import { Script } from '../../interfaces';
 import { Node, Program } from 'estree';
 
-const script_closing_tag = '</script>';
-
 function get_context(parser: Parser, attributes: any[], start: number): string {
 	const context = attributes.find(attribute => attribute.name === 'context');
 	if (!context) return 'default';
@@ -30,18 +28,17 @@ function get_context(parser: Parser, attributes: any[], start: number): string {
 
 export default function read_script(parser: Parser, start: number, attributes: Node[]): Script {
 	const script_start = parser.index;
-	const script_end = parser.template.indexOf(script_closing_tag, script_start);
-
-	if (script_end === -1) {
-		parser.error({
-			code: 'unclosed-script',
-			message: '<script> must have a closing tag'
-		});
+	const error_message = {
+		code: 'unclosed-script',
+		message: '<script> must have a closing tag'
+	};
+	const data = parser.read_until(/<\/script\s*>/, error_message);
+	if (parser.index >= parser.template.length) {
+		parser.error(error_message);
 	}
 
-	const source = parser.template.slice(0, script_start).replace(/[^\n]/g, ' ') +
-		parser.template.slice(script_start, script_end);
-	parser.index = script_end + script_closing_tag.length;
+	const source = parser.template.slice(0, script_start).replace(/[^\n]/g, ' ') + data;
+	parser.read(/<\/script\s*>/);
 
 	let ast: Program;
 
diff --git a/src/compiler/parse/read/style.ts b/src/compiler/parse/read/style.ts
index d8f85c0f3b..c951fa08c1 100644
--- a/src/compiler/parse/read/style.ts
+++ b/src/compiler/parse/read/style.ts
@@ -6,7 +6,17 @@ import { Style } from '../../interfaces';
 
 export default function read_style(parser: Parser, start: number, attributes: Node[]): Style {
 	const content_start = parser.index;
-	const styles = parser.read_until(/<\/style>/);
+	const error_message = {
+		code: 'unclosed-style',
+		message: '<style> must have a closing tag'
+	};
+
+	const styles = parser.read_until(/<\/style\s*>/, error_message);
+
+	if (parser.index >= parser.template.length) {
+		parser.error(error_message);
+	}
+
 	const content_end = parser.index;
 
 	let ast;
@@ -72,7 +82,7 @@ export default function read_style(parser: Parser, start: number, attributes: No
 		}
 	});
 
-	parser.eat('</style>', true);
+	parser.read(/<\/style\s*>/);
 	const end = parser.index;
 
 	return {
diff --git a/src/runtime/internal/dev.ts b/src/runtime/internal/dev.ts
index 4e4e5326f9..73fd32bf19 100644
--- a/src/runtime/internal/dev.ts
+++ b/src/runtime/internal/dev.ts
@@ -203,7 +203,7 @@ export interface SvelteComponentTyped<
  * class ASubclassOfSvelteComponent extends SvelteComponent<{foo: string}> {}
  * const component: typeof SvelteComponent = ASubclassOfSvelteComponent;
  * ```
- * will throw a type error, so we need to seperate the more strictly typed class.
+ * will throw a type error, so we need to separate the more strictly typed class.
  */
 export class SvelteComponentTyped<
 	Props extends Record<string, any> = any,
diff --git a/src/runtime/store/index.ts b/src/runtime/store/index.ts
index 213a4ff6fd..89e459ded1 100644
--- a/src/runtime/store/index.ts
+++ b/src/runtime/store/index.ts
@@ -113,7 +113,7 @@ export function writable<T>(value?: T, start: StartStopNotifier<T> = noop): Writ
 }
 
 /** One or more `Readable`s. */
-type Stores = Readable<any> | [Readable<any>, ...Array<Readable<any>>];
+type Stores = Readable<any> | [Readable<any>, ...Array<Readable<any>>] | Array<Readable<any>>;
 
 /** One or more values from `Readable` stores. */
 type StoresValues<T> = T extends Readable<infer U> ? U :
diff --git a/test/js/samples/action-custom-event-handler/expected.js b/test/js/samples/action-custom-event-handler/expected.js
index 51656290d6..6433d5b04a 100644
--- a/test/js/samples/action-custom-event-handler/expected.js
+++ b/test/js/samples/action-custom-event-handler/expected.js
@@ -56,7 +56,7 @@ function instance($$self, $$props, $$invalidate) {
 	const foo_function = () => handleFoo(bar);
 
 	$$self.$$set = $$props => {
-		if ("bar" in $$props) $$invalidate(0, bar = $$props.bar);
+		if ('bar' in $$props) $$invalidate(0, bar = $$props.bar);
 	};
 
 	return [bar, foo_function];
diff --git a/test/js/samples/action/expected.js b/test/js/samples/action/expected.js
index d52960bddd..689669c5bc 100644
--- a/test/js/samples/action/expected.js
+++ b/test/js/samples/action/expected.js
@@ -48,11 +48,11 @@ function link(node) {
 		history.pushState(null, null, event.target.href);
 	}
 
-	node.addEventListener("click", onClick);
+	node.addEventListener('click', onClick);
 
 	return {
 		destroy() {
-			node.removeEventListener("click", onClick);
+			node.removeEventListener('click', onClick);
 		}
 	};
 }
diff --git a/test/js/samples/bind-open/expected.js b/test/js/samples/bind-open/expected.js
index 56ff302845..669cb41405 100644
--- a/test/js/samples/bind-open/expected.js
+++ b/test/js/samples/bind-open/expected.js
@@ -53,7 +53,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("open" in $$props) $$invalidate(0, open = $$props.open);
+		if ('open' in $$props) $$invalidate(0, open = $$props.open);
 	};
 
 	return [open, details_toggle_handler];
diff --git a/test/js/samples/bind-width-height/expected.js b/test/js/samples/bind-width-height/expected.js
index f23c20b683..8966e57c9c 100644
--- a/test/js/samples/bind-width-height/expected.js
+++ b/test/js/samples/bind-width-height/expected.js
@@ -47,8 +47,8 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("w" in $$props) $$invalidate(0, w = $$props.w);
-		if ("h" in $$props) $$invalidate(1, h = $$props.h);
+		if ('w' in $$props) $$invalidate(0, w = $$props.w);
+		if ('h' in $$props) $$invalidate(1, h = $$props.h);
 	};
 
 	return [w, h, div_elementresize_handler];
diff --git a/test/js/samples/bindings-readonly-order/expected.js b/test/js/samples/bindings-readonly-order/expected.js
index 78a71dcd84..ea83573ee3 100644
--- a/test/js/samples/bindings-readonly-order/expected.js
+++ b/test/js/samples/bindings-readonly-order/expected.js
@@ -69,7 +69,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("files" in $$props) $$invalidate(0, files = $$props.files);
+		if ('files' in $$props) $$invalidate(0, files = $$props.files);
 	};
 
 	return [files, input0_change_handler, input1_change_handler];
diff --git a/test/js/samples/capture-inject-state/expected.js b/test/js/samples/capture-inject-state/expected.js
index 6485526bd4..58e1879553 100644
--- a/test/js/samples/capture-inject-state/expected.js
+++ b/test/js/samples/capture-inject-state/expected.js
@@ -95,7 +95,7 @@ const moduleContantProps = 4;
 let moduleLet;
 const moduleConst = 2;
 let shadowedByModule;
-const priv = "priv";
+const priv = 'priv';
 
 function instance($$self, $$props, $$invalidate) {
 	let computed;
@@ -106,22 +106,22 @@ function instance($$self, $$props, $$invalidate) {
 
 	$$self.$$.on_destroy.push(() => $$unsubscribe_prop());
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let { prop } = $$props;
-	validate_store(prop, "prop");
+	validate_store(prop, 'prop');
 	$$subscribe_prop();
 	let { alias: realName } = $$props;
 	let local;
 	let shadowedByModule;
-	const writable_props = ["prop", "alias"];
+	const writable_props = ['prop', 'alias'];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	$$self.$$set = $$props => {
-		if ("prop" in $$props) $$subscribe_prop($$invalidate(0, prop = $$props.prop));
-		if ("alias" in $$props) $$invalidate(1, realName = $$props.alias);
+		if ('prop' in $$props) $$subscribe_prop($$invalidate(0, prop = $$props.prop));
+		if ('alias' in $$props) $$invalidate(1, realName = $$props.alias);
 	};
 
 	$$self.$capture_state = () => ({
@@ -140,11 +140,11 @@ function instance($$self, $$props, $$invalidate) {
 	});
 
 	$$self.$inject_state = $$props => {
-		if ("prop" in $$props) $$subscribe_prop($$invalidate(0, prop = $$props.prop));
-		if ("realName" in $$props) $$invalidate(1, realName = $$props.realName);
-		if ("local" in $$props) $$invalidate(3, local = $$props.local);
-		if ("shadowedByModule" in $$props) $$invalidate(4, shadowedByModule = $$props.shadowedByModule);
-		if ("computed" in $$props) computed = $$props.computed;
+		if ('prop' in $$props) $$subscribe_prop($$invalidate(0, prop = $$props.prop));
+		if ('realName' in $$props) $$invalidate(1, realName = $$props.realName);
+		if ('local' in $$props) $$invalidate(3, local = $$props.local);
+		if ('shadowedByModule' in $$props) $$invalidate(4, shadowedByModule = $$props.shadowedByModule);
+		if ('computed' in $$props) computed = $$props.computed;
 	};
 
 	if ($$props && "$$inject" in $$props) {
@@ -170,11 +170,11 @@ class Component extends SvelteComponentDev {
 		const { ctx } = this.$$;
 		const props = options.props || {};
 
-		if (/*prop*/ ctx[0] === undefined && !("prop" in props)) {
+		if (/*prop*/ ctx[0] === undefined && !('prop' in props)) {
 			console.warn("<Component> was created without expected prop 'prop'");
 		}
 
-		if (/*realName*/ ctx[1] === undefined && !("alias" in props)) {
+		if (/*realName*/ ctx[1] === undefined && !('alias' in props)) {
 			console.warn("<Component> was created without expected prop 'alias'");
 		}
 	}
diff --git a/test/js/samples/collapses-text-around-comments/expected.js b/test/js/samples/collapses-text-around-comments/expected.js
index 67335ce246..bd1f3ce3d2 100644
--- a/test/js/samples/collapses-text-around-comments/expected.js
+++ b/test/js/samples/collapses-text-around-comments/expected.js
@@ -49,7 +49,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { foo = 42 } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
 	};
 
 	return [foo];
diff --git a/test/js/samples/component-static-var/expected.js b/test/js/samples/component-static-var/expected.js
index 2cd5ed386f..9e481a25c3 100644
--- a/test/js/samples/component-static-var/expected.js
+++ b/test/js/samples/component-static-var/expected.js
@@ -16,8 +16,8 @@ import {
 	transition_out
 } from "svelte/internal";
 
-import Foo from "./Foo.svelte";
-import Bar from "./Bar.svelte";
+import Foo from './Foo.svelte';
+import Bar from './Bar.svelte';
 
 function create_fragment(ctx) {
 	let foo;
diff --git a/test/js/samples/component-store-access-invalidate/expected.js b/test/js/samples/component-store-access-invalidate/expected.js
index 4c7bfd7009..2742481aef 100644
--- a/test/js/samples/component-store-access-invalidate/expected.js
+++ b/test/js/samples/component-store-access-invalidate/expected.js
@@ -13,7 +13,7 @@ import {
 	text
 } from "svelte/internal";
 
-import { writable } from "svelte/store";
+import { writable } from 'svelte/store';
 
 function create_fragment(ctx) {
 	let h1;
diff --git a/test/js/samples/component-store-file-invalidate/expected.js b/test/js/samples/component-store-file-invalidate/expected.js
index d2fb3d0be4..86a467f368 100644
--- a/test/js/samples/component-store-file-invalidate/expected.js
+++ b/test/js/samples/component-store-file-invalidate/expected.js
@@ -7,7 +7,7 @@ import {
 	set_store_value
 } from "svelte/internal";
 
-import { count } from "./store.js";
+import { count } from './store.js';
 
 function instance($$self, $$props, $$invalidate) {
 	let $count;
diff --git a/test/js/samples/component-store-reassign-invalidate/expected.js b/test/js/samples/component-store-reassign-invalidate/expected.js
index 0cf555bf0d..9047316cef 100644
--- a/test/js/samples/component-store-reassign-invalidate/expected.js
+++ b/test/js/samples/component-store-reassign-invalidate/expected.js
@@ -15,7 +15,7 @@ import {
 	text
 } from "svelte/internal";
 
-import { writable } from "svelte/store";
+import { writable } from 'svelte/store';
 
 function create_fragment(ctx) {
 	let h1;
diff --git a/test/js/samples/computed-collapsed-if/expected.js b/test/js/samples/computed-collapsed-if/expected.js
index 3e70d6a7ae..8bcb5ed8b7 100644
--- a/test/js/samples/computed-collapsed-if/expected.js
+++ b/test/js/samples/computed-collapsed-if/expected.js
@@ -13,7 +13,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("x" in $$props) $$invalidate(0, x = $$props.x);
+		if ('x' in $$props) $$invalidate(0, x = $$props.x);
 	};
 
 	return [x, a, b];
diff --git a/test/js/samples/data-attribute/expected.js b/test/js/samples/data-attribute/expected.js
index 8c30e6f6db..2b2f8870e4 100644
--- a/test/js/samples/data-attribute/expected.js
+++ b/test/js/samples/data-attribute/expected.js
@@ -48,7 +48,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { bar } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("bar" in $$props) $$invalidate(0, bar = $$props.bar);
+		if ('bar' in $$props) $$invalidate(0, bar = $$props.bar);
 	};
 
 	return [bar];
diff --git a/test/js/samples/debug-empty/expected.js b/test/js/samples/debug-empty/expected.js
index c18eb8699c..55303b41b7 100644
--- a/test/js/samples/debug-empty/expected.js
+++ b/test/js/samples/debug-empty/expected.js
@@ -70,22 +70,22 @@ function create_fragment(ctx) {
 
 function instance($$self, $$props, $$invalidate) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let { name } = $$props;
-	const writable_props = ["name"];
+	const writable_props = ['name'];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	$$self.$$set = $$props => {
-		if ("name" in $$props) $$invalidate(0, name = $$props.name);
+		if ('name' in $$props) $$invalidate(0, name = $$props.name);
 	};
 
 	$$self.$capture_state = () => ({ name });
 
 	$$self.$inject_state = $$props => {
-		if ("name" in $$props) $$invalidate(0, name = $$props.name);
+		if ('name' in $$props) $$invalidate(0, name = $$props.name);
 	};
 
 	if ($$props && "$$inject" in $$props) {
@@ -110,7 +110,7 @@ class Component extends SvelteComponentDev {
 		const { ctx } = this.$$;
 		const props = options.props || {};
 
-		if (/*name*/ ctx[0] === undefined && !("name" in props)) {
+		if (/*name*/ ctx[0] === undefined && !('name' in props)) {
 			console.warn("<Component> was created without expected prop 'name'");
 		}
 	}
diff --git a/test/js/samples/debug-foo-bar-baz-things/expected.js b/test/js/samples/debug-foo-bar-baz-things/expected.js
index 12a04b438b..3377d35018 100644
--- a/test/js/samples/debug-foo-bar-baz-things/expected.js
+++ b/test/js/samples/debug-foo-bar-baz-things/expected.js
@@ -171,31 +171,31 @@ function create_fragment(ctx) {
 
 function instance($$self, $$props, $$invalidate) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let { things } = $$props;
 	let { foo } = $$props;
 	let { bar } = $$props;
 	let { baz } = $$props;
-	const writable_props = ["things", "foo", "bar", "baz"];
+	const writable_props = ['things', 'foo', 'bar', 'baz'];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	$$self.$$set = $$props => {
-		if ("things" in $$props) $$invalidate(0, things = $$props.things);
-		if ("foo" in $$props) $$invalidate(1, foo = $$props.foo);
-		if ("bar" in $$props) $$invalidate(2, bar = $$props.bar);
-		if ("baz" in $$props) $$invalidate(3, baz = $$props.baz);
+		if ('things' in $$props) $$invalidate(0, things = $$props.things);
+		if ('foo' in $$props) $$invalidate(1, foo = $$props.foo);
+		if ('bar' in $$props) $$invalidate(2, bar = $$props.bar);
+		if ('baz' in $$props) $$invalidate(3, baz = $$props.baz);
 	};
 
 	$$self.$capture_state = () => ({ things, foo, bar, baz });
 
 	$$self.$inject_state = $$props => {
-		if ("things" in $$props) $$invalidate(0, things = $$props.things);
-		if ("foo" in $$props) $$invalidate(1, foo = $$props.foo);
-		if ("bar" in $$props) $$invalidate(2, bar = $$props.bar);
-		if ("baz" in $$props) $$invalidate(3, baz = $$props.baz);
+		if ('things' in $$props) $$invalidate(0, things = $$props.things);
+		if ('foo' in $$props) $$invalidate(1, foo = $$props.foo);
+		if ('bar' in $$props) $$invalidate(2, bar = $$props.bar);
+		if ('baz' in $$props) $$invalidate(3, baz = $$props.baz);
 	};
 
 	if ($$props && "$$inject" in $$props) {
@@ -220,19 +220,19 @@ class Component extends SvelteComponentDev {
 		const { ctx } = this.$$;
 		const props = options.props || {};
 
-		if (/*things*/ ctx[0] === undefined && !("things" in props)) {
+		if (/*things*/ ctx[0] === undefined && !('things' in props)) {
 			console.warn("<Component> was created without expected prop 'things'");
 		}
 
-		if (/*foo*/ ctx[1] === undefined && !("foo" in props)) {
+		if (/*foo*/ ctx[1] === undefined && !('foo' in props)) {
 			console.warn("<Component> was created without expected prop 'foo'");
 		}
 
-		if (/*bar*/ ctx[2] === undefined && !("bar" in props)) {
+		if (/*bar*/ ctx[2] === undefined && !('bar' in props)) {
 			console.warn("<Component> was created without expected prop 'bar'");
 		}
 
-		if (/*baz*/ ctx[3] === undefined && !("baz" in props)) {
+		if (/*baz*/ ctx[3] === undefined && !('baz' in props)) {
 			console.warn("<Component> was created without expected prop 'baz'");
 		}
 	}
diff --git a/test/js/samples/debug-foo/expected.js b/test/js/samples/debug-foo/expected.js
index 029d525883..518897c237 100644
--- a/test/js/samples/debug-foo/expected.js
+++ b/test/js/samples/debug-foo/expected.js
@@ -165,25 +165,25 @@ function create_fragment(ctx) {
 
 function instance($$self, $$props, $$invalidate) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let { things } = $$props;
 	let { foo } = $$props;
-	const writable_props = ["things", "foo"];
+	const writable_props = ['things', 'foo'];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	$$self.$$set = $$props => {
-		if ("things" in $$props) $$invalidate(0, things = $$props.things);
-		if ("foo" in $$props) $$invalidate(1, foo = $$props.foo);
+		if ('things' in $$props) $$invalidate(0, things = $$props.things);
+		if ('foo' in $$props) $$invalidate(1, foo = $$props.foo);
 	};
 
 	$$self.$capture_state = () => ({ things, foo });
 
 	$$self.$inject_state = $$props => {
-		if ("things" in $$props) $$invalidate(0, things = $$props.things);
-		if ("foo" in $$props) $$invalidate(1, foo = $$props.foo);
+		if ('things' in $$props) $$invalidate(0, things = $$props.things);
+		if ('foo' in $$props) $$invalidate(1, foo = $$props.foo);
 	};
 
 	if ($$props && "$$inject" in $$props) {
@@ -208,11 +208,11 @@ class Component extends SvelteComponentDev {
 		const { ctx } = this.$$;
 		const props = options.props || {};
 
-		if (/*things*/ ctx[0] === undefined && !("things" in props)) {
+		if (/*things*/ ctx[0] === undefined && !('things' in props)) {
 			console.warn("<Component> was created without expected prop 'things'");
 		}
 
-		if (/*foo*/ ctx[1] === undefined && !("foo" in props)) {
+		if (/*foo*/ ctx[1] === undefined && !('foo' in props)) {
 			console.warn("<Component> was created without expected prop 'foo'");
 		}
 	}
diff --git a/test/js/samples/debug-hoisted/expected.js b/test/js/samples/debug-hoisted/expected.js
index 8dbd718404..9fc4f7cf4f 100644
--- a/test/js/samples/debug-hoisted/expected.js
+++ b/test/js/samples/debug-hoisted/expected.js
@@ -50,20 +50,20 @@ function create_fragment(ctx) {
 
 function instance($$self, $$props, $$invalidate) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let obj = { x: 5 };
 	let kobzol = 5;
 	const writable_props = [];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	$$self.$capture_state = () => ({ obj, kobzol });
 
 	$$self.$inject_state = $$props => {
-		if ("obj" in $$props) $$invalidate(0, obj = $$props.obj);
-		if ("kobzol" in $$props) $$invalidate(1, kobzol = $$props.kobzol);
+		if ('obj' in $$props) $$invalidate(0, obj = $$props.obj);
+		if ('kobzol' in $$props) $$invalidate(1, kobzol = $$props.kobzol);
 	};
 
 	if ($$props && "$$inject" in $$props) {
diff --git a/test/js/samples/debug-no-dependencies/expected.js b/test/js/samples/debug-no-dependencies/expected.js
index 29e518d9b1..8107b890a6 100644
--- a/test/js/samples/debug-no-dependencies/expected.js
+++ b/test/js/samples/debug-no-dependencies/expected.js
@@ -137,11 +137,11 @@ function create_fragment(ctx) {
 
 function instance($$self, $$props) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	const writable_props = [];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	return [];
diff --git a/test/js/samples/deconflict-builtins/expected.js b/test/js/samples/deconflict-builtins/expected.js
index 6bc60194aa..8c9bb83b5b 100644
--- a/test/js/samples/deconflict-builtins/expected.js
+++ b/test/js/samples/deconflict-builtins/expected.js
@@ -105,7 +105,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { createElement } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("createElement" in $$props) $$invalidate(0, createElement = $$props.createElement);
+		if ('createElement' in $$props) $$invalidate(0, createElement = $$props.createElement);
 	};
 
 	return [createElement];
diff --git a/test/js/samples/deconflict-globals/expected.js b/test/js/samples/deconflict-globals/expected.js
index 7168eba6a5..c048cc2ddd 100644
--- a/test/js/samples/deconflict-globals/expected.js
+++ b/test/js/samples/deconflict-globals/expected.js
@@ -1,17 +1,17 @@
 /* generated by Svelte vX.Y.Z */
 import { SvelteComponent, init, safe_not_equal } from "svelte/internal";
 
-import { onMount } from "svelte";
+import { onMount } from 'svelte';
 
 function instance($$self, $$props, $$invalidate) {
-	let { foo = "bar" } = $$props;
+	let { foo = 'bar' } = $$props;
 
 	onMount(() => {
 		alert(JSON.stringify(data()));
 	});
 
 	$$self.$$set = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
 	};
 
 	return [foo];
diff --git a/test/js/samples/dev-warning-missing-data-computed/expected.js b/test/js/samples/dev-warning-missing-data-computed/expected.js
index a981d88dca..5e10ec55f8 100644
--- a/test/js/samples/dev-warning-missing-data-computed/expected.js
+++ b/test/js/samples/dev-warning-missing-data-computed/expected.js
@@ -66,24 +66,24 @@ function create_fragment(ctx) {
 
 function instance($$self, $$props, $$invalidate) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let { foo } = $$props;
 	let bar;
-	const writable_props = ["foo"];
+	const writable_props = ['foo'];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	$$self.$$set = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
 	};
 
 	$$self.$capture_state = () => ({ foo, bar });
 
 	$$self.$inject_state = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
-		if ("bar" in $$props) $$invalidate(1, bar = $$props.bar);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('bar' in $$props) $$invalidate(1, bar = $$props.bar);
 	};
 
 	if ($$props && "$$inject" in $$props) {
@@ -114,7 +114,7 @@ class Component extends SvelteComponentDev {
 		const { ctx } = this.$$;
 		const props = options.props || {};
 
-		if (/*foo*/ ctx[0] === undefined && !("foo" in props)) {
+		if (/*foo*/ ctx[0] === undefined && !('foo' in props)) {
 			console.warn("<Component> was created without expected prop 'foo'");
 		}
 	}
diff --git a/test/js/samples/dynamic-import/expected.js b/test/js/samples/dynamic-import/expected.js
index d1085f431b..d25a825d3b 100644
--- a/test/js/samples/dynamic-import/expected.js
+++ b/test/js/samples/dynamic-import/expected.js
@@ -11,7 +11,7 @@ import {
 	transition_out
 } from "svelte/internal";
 
-import LazyLoad from "./LazyLoad.svelte";
+import LazyLoad from './LazyLoad.svelte';
 
 function create_fragment(ctx) {
 	let lazyload;
@@ -42,7 +42,7 @@ function create_fragment(ctx) {
 	};
 }
 
-const func = () => import("./Foo.svelte");
+const func = () => import('./Foo.svelte');
 
 class Component extends SvelteComponent {
 	constructor(options) {
diff --git a/test/js/samples/each-block-array-literal/expected.js b/test/js/samples/each-block-array-literal/expected.js
index fe51ac5bc3..bb5a04e952 100644
--- a/test/js/samples/each-block-array-literal/expected.js
+++ b/test/js/samples/each-block-array-literal/expected.js
@@ -107,11 +107,11 @@ function instance($$self, $$props, $$invalidate) {
 	let { e } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("a" in $$props) $$invalidate(0, a = $$props.a);
-		if ("b" in $$props) $$invalidate(1, b = $$props.b);
-		if ("c" in $$props) $$invalidate(2, c = $$props.c);
-		if ("d" in $$props) $$invalidate(3, d = $$props.d);
-		if ("e" in $$props) $$invalidate(4, e = $$props.e);
+		if ('a' in $$props) $$invalidate(0, a = $$props.a);
+		if ('b' in $$props) $$invalidate(1, b = $$props.b);
+		if ('c' in $$props) $$invalidate(2, c = $$props.c);
+		if ('d' in $$props) $$invalidate(3, d = $$props.d);
+		if ('e' in $$props) $$invalidate(4, e = $$props.e);
 	};
 
 	return [a, b, c, d, e];
diff --git a/test/js/samples/each-block-changed-check/expected.js b/test/js/samples/each-block-changed-check/expected.js
index 0020235d44..19947edbbb 100644
--- a/test/js/samples/each-block-changed-check/expected.js
+++ b/test/js/samples/each-block-changed-check/expected.js
@@ -154,10 +154,10 @@ function instance($$self, $$props, $$invalidate) {
 	let { foo } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("comments" in $$props) $$invalidate(0, comments = $$props.comments);
-		if ("elapsed" in $$props) $$invalidate(1, elapsed = $$props.elapsed);
-		if ("time" in $$props) $$invalidate(2, time = $$props.time);
-		if ("foo" in $$props) $$invalidate(3, foo = $$props.foo);
+		if ('comments' in $$props) $$invalidate(0, comments = $$props.comments);
+		if ('elapsed' in $$props) $$invalidate(1, elapsed = $$props.elapsed);
+		if ('time' in $$props) $$invalidate(2, time = $$props.time);
+		if ('foo' in $$props) $$invalidate(3, foo = $$props.foo);
 	};
 
 	return [comments, elapsed, time, foo];
diff --git a/test/js/samples/each-block-keyed-animated/expected.js b/test/js/samples/each-block-keyed-animated/expected.js
index b48073f5a7..6f7c22a086 100644
--- a/test/js/samples/each-block-keyed-animated/expected.js
+++ b/test/js/samples/each-block-keyed-animated/expected.js
@@ -130,7 +130,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { things } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("things" in $$props) $$invalidate(0, things = $$props.things);
+		if ('things' in $$props) $$invalidate(0, things = $$props.things);
 	};
 
 	return [things];
diff --git a/test/js/samples/each-block-keyed/expected.js b/test/js/samples/each-block-keyed/expected.js
index 7808ed677f..a275697d8e 100644
--- a/test/js/samples/each-block-keyed/expected.js
+++ b/test/js/samples/each-block-keyed/expected.js
@@ -99,7 +99,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { things } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("things" in $$props) $$invalidate(0, things = $$props.things);
+		if ('things' in $$props) $$invalidate(0, things = $$props.things);
 	};
 
 	return [things];
diff --git a/test/js/samples/if-block-no-update/expected.js b/test/js/samples/if-block-no-update/expected.js
index c67b33fa85..25f197eb1a 100644
--- a/test/js/samples/if-block-no-update/expected.js
+++ b/test/js/samples/if-block-no-update/expected.js
@@ -89,7 +89,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { foo } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
 	};
 
 	return [foo];
diff --git a/test/js/samples/if-block-simple/expected.js b/test/js/samples/if-block-simple/expected.js
index 4cdd73cddb..6debe92c24 100644
--- a/test/js/samples/if-block-simple/expected.js
+++ b/test/js/samples/if-block-simple/expected.js
@@ -67,7 +67,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { foo } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
 	};
 
 	return [foo];
diff --git a/test/js/samples/inline-style-optimized-multiple/expected.js b/test/js/samples/inline-style-optimized-multiple/expected.js
index 0a9d0a1e8e..4e4dba16d5 100644
--- a/test/js/samples/inline-style-optimized-multiple/expected.js
+++ b/test/js/samples/inline-style-optimized-multiple/expected.js
@@ -45,9 +45,9 @@ function instance($$self, $$props, $$invalidate) {
 	let { y } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("color" in $$props) $$invalidate(0, color = $$props.color);
-		if ("x" in $$props) $$invalidate(1, x = $$props.x);
-		if ("y" in $$props) $$invalidate(2, y = $$props.y);
+		if ('color' in $$props) $$invalidate(0, color = $$props.color);
+		if ('x' in $$props) $$invalidate(1, x = $$props.x);
+		if ('y' in $$props) $$invalidate(2, y = $$props.y);
 	};
 
 	return [color, x, y];
diff --git a/test/js/samples/inline-style-optimized-url/expected.js b/test/js/samples/inline-style-optimized-url/expected.js
index 0debb03585..a861e9dc7e 100644
--- a/test/js/samples/inline-style-optimized-url/expected.js
+++ b/test/js/samples/inline-style-optimized-url/expected.js
@@ -38,7 +38,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { data } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("data" in $$props) $$invalidate(0, data = $$props.data);
+		if ('data' in $$props) $$invalidate(0, data = $$props.data);
 	};
 
 	return [data];
diff --git a/test/js/samples/inline-style-optimized/expected.js b/test/js/samples/inline-style-optimized/expected.js
index b7db0f1cf3..ea4f39ab47 100644
--- a/test/js/samples/inline-style-optimized/expected.js
+++ b/test/js/samples/inline-style-optimized/expected.js
@@ -38,7 +38,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { color } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("color" in $$props) $$invalidate(0, color = $$props.color);
+		if ('color' in $$props) $$invalidate(0, color = $$props.color);
 	};
 
 	return [color];
diff --git a/test/js/samples/inline-style-unoptimized/expected.js b/test/js/samples/inline-style-unoptimized/expected.js
index 0688f14b9b..2900fb6ce7 100644
--- a/test/js/samples/inline-style-unoptimized/expected.js
+++ b/test/js/samples/inline-style-unoptimized/expected.js
@@ -55,9 +55,9 @@ function instance($$self, $$props, $$invalidate) {
 	let { value } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("style" in $$props) $$invalidate(0, style = $$props.style);
-		if ("key" in $$props) $$invalidate(1, key = $$props.key);
-		if ("value" in $$props) $$invalidate(2, value = $$props.value);
+		if ('style' in $$props) $$invalidate(0, style = $$props.style);
+		if ('key' in $$props) $$invalidate(1, key = $$props.key);
+		if ('value' in $$props) $$invalidate(2, value = $$props.value);
 	};
 
 	return [style, key, value];
diff --git a/test/js/samples/inline-style-without-updates/expected.js b/test/js/samples/inline-style-without-updates/expected.js
index 375896f259..ebfffe902c 100644
--- a/test/js/samples/inline-style-without-updates/expected.js
+++ b/test/js/samples/inline-style-without-updates/expected.js
@@ -30,7 +30,7 @@ function create_fragment(ctx) {
 	};
 }
 
-let color = "red";
+let color = 'red';
 
 class Component extends SvelteComponent {
 	constructor(options) {
diff --git a/test/js/samples/input-files/expected.js b/test/js/samples/input-files/expected.js
index 8adc7443f5..42ddddbcb3 100644
--- a/test/js/samples/input-files/expected.js
+++ b/test/js/samples/input-files/expected.js
@@ -50,7 +50,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("files" in $$props) $$invalidate(0, files = $$props.files);
+		if ('files' in $$props) $$invalidate(0, files = $$props.files);
 	};
 
 	return [files, input_change_handler];
diff --git a/test/js/samples/input-no-initial-value/expected.js b/test/js/samples/input-no-initial-value/expected.js
index 3354aa3111..a91a95bde2 100644
--- a/test/js/samples/input-no-initial-value/expected.js
+++ b/test/js/samples/input-no-initial-value/expected.js
@@ -69,7 +69,7 @@ function instance($$self, $$props, $$invalidate) {
 
 	function handleSubmit(event) {
 		event.preventDefault();
-		console.log("value", test);
+		console.log('value', test);
 	}
 
 	function input_input_handler() {
diff --git a/test/js/samples/input-range/expected.js b/test/js/samples/input-range/expected.js
index a855ca3653..7ced4b176b 100644
--- a/test/js/samples/input-range/expected.js
+++ b/test/js/samples/input-range/expected.js
@@ -61,7 +61,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("value" in $$props) $$invalidate(0, value = $$props.value);
+		if ('value' in $$props) $$invalidate(0, value = $$props.value);
 	};
 
 	return [value, input_change_input_handler];
diff --git a/test/js/samples/input-value/expected.js b/test/js/samples/input-value/expected.js
index 781a2ae603..2491a24256 100644
--- a/test/js/samples/input-value/expected.js
+++ b/test/js/samples/input-value/expected.js
@@ -64,7 +64,7 @@ function create_fragment(ctx) {
 }
 
 function instance($$self, $$props, $$invalidate) {
-	let name = "change me";
+	let name = 'change me';
 
 	function onInput(event) {
 		$$invalidate(0, name = event.target.value);
diff --git a/test/js/samples/input-without-blowback-guard/expected.js b/test/js/samples/input-without-blowback-guard/expected.js
index 6c5b215623..007177bda5 100644
--- a/test/js/samples/input-without-blowback-guard/expected.js
+++ b/test/js/samples/input-without-blowback-guard/expected.js
@@ -54,7 +54,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("foo" in $$props) $$invalidate(0, foo = $$props.foo);
+		if ('foo' in $$props) $$invalidate(0, foo = $$props.foo);
 	};
 
 	return [foo, input_change_handler];
diff --git a/test/js/samples/loop-protect/expected.js b/test/js/samples/loop-protect/expected.js
index 26721d6be6..04033d0d95 100644
--- a/test/js/samples/loop-protect/expected.js
+++ b/test/js/samples/loop-protect/expected.js
@@ -54,7 +54,7 @@ function create_fragment(ctx) {
 }
 
 function foo() {
-	const guard = "foo";
+	const guard = 'foo';
 
 	{
 		const guard_1 = loop_guard(100);
@@ -68,7 +68,7 @@ function foo() {
 
 function instance($$self, $$props, $$invalidate) {
 	let { $$slots: slots = {}, $$scope } = $$props;
-	validate_slots("Component", slots, []);
+	validate_slots('Component', slots, []);
 	let node;
 
 	{
@@ -110,11 +110,11 @@ function instance($$self, $$props, $$invalidate) {
 	const writable_props = [];
 
 	Object.keys($$props).forEach(key => {
-		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== "$$" && key !== "slot") console_1.warn(`<Component> was created with unknown prop '${key}'`);
+		if (!~writable_props.indexOf(key) && key.slice(0, 2) !== '$$' && key !== 'slot') console_1.warn(`<Component> was created with unknown prop '${key}'`);
 	});
 
 	function div_binding($$value) {
-		binding_callbacks[$$value ? "unshift" : "push"](() => {
+		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
 			node = $$value;
 			$$invalidate(0, node);
 		});
@@ -123,7 +123,7 @@ function instance($$self, $$props, $$invalidate) {
 	$$self.$capture_state = () => ({ node, foo });
 
 	$$self.$inject_state = $$props => {
-		if ("node" in $$props) $$invalidate(0, node = $$props.node);
+		if ('node' in $$props) $$invalidate(0, node = $$props.node);
 	};
 
 	if ($$props && "$$inject" in $$props) {
diff --git a/test/js/samples/media-bindings/expected.js b/test/js/samples/media-bindings/expected.js
index 867d4a7dad..5005eb47d1 100644
--- a/test/js/samples/media-bindings/expected.js
+++ b/test/js/samples/media-bindings/expected.js
@@ -174,17 +174,17 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("buffered" in $$props) $$invalidate(0, buffered = $$props.buffered);
-		if ("seekable" in $$props) $$invalidate(1, seekable = $$props.seekable);
-		if ("played" in $$props) $$invalidate(2, played = $$props.played);
-		if ("currentTime" in $$props) $$invalidate(3, currentTime = $$props.currentTime);
-		if ("duration" in $$props) $$invalidate(4, duration = $$props.duration);
-		if ("paused" in $$props) $$invalidate(5, paused = $$props.paused);
-		if ("volume" in $$props) $$invalidate(6, volume = $$props.volume);
-		if ("muted" in $$props) $$invalidate(7, muted = $$props.muted);
-		if ("playbackRate" in $$props) $$invalidate(8, playbackRate = $$props.playbackRate);
-		if ("seeking" in $$props) $$invalidate(9, seeking = $$props.seeking);
-		if ("ended" in $$props) $$invalidate(10, ended = $$props.ended);
+		if ('buffered' in $$props) $$invalidate(0, buffered = $$props.buffered);
+		if ('seekable' in $$props) $$invalidate(1, seekable = $$props.seekable);
+		if ('played' in $$props) $$invalidate(2, played = $$props.played);
+		if ('currentTime' in $$props) $$invalidate(3, currentTime = $$props.currentTime);
+		if ('duration' in $$props) $$invalidate(4, duration = $$props.duration);
+		if ('paused' in $$props) $$invalidate(5, paused = $$props.paused);
+		if ('volume' in $$props) $$invalidate(6, volume = $$props.volume);
+		if ('muted' in $$props) $$invalidate(7, muted = $$props.muted);
+		if ('playbackRate' in $$props) $$invalidate(8, playbackRate = $$props.playbackRate);
+		if ('seeking' in $$props) $$invalidate(9, seeking = $$props.seeking);
+		if ('ended' in $$props) $$invalidate(10, ended = $$props.ended);
 	};
 
 	return [
diff --git a/test/js/samples/non-imported-component/expected.js b/test/js/samples/non-imported-component/expected.js
index 5a6b8e8bb7..e3f2760ce0 100644
--- a/test/js/samples/non-imported-component/expected.js
+++ b/test/js/samples/non-imported-component/expected.js
@@ -14,7 +14,7 @@ import {
 	transition_out
 } from "svelte/internal";
 
-import Imported from "Imported.svelte";
+import Imported from 'Imported.svelte';
 
 function create_fragment(ctx) {
 	let imported;
diff --git a/test/js/samples/non-mutable-reference/expected.js b/test/js/samples/non-mutable-reference/expected.js
index 93f2145a2e..adc67b9bc4 100644
--- a/test/js/samples/non-mutable-reference/expected.js
+++ b/test/js/samples/non-mutable-reference/expected.js
@@ -29,7 +29,7 @@ function create_fragment(ctx) {
 	};
 }
 
-let name = "world";
+let name = 'world';
 
 class Component extends SvelteComponent {
 	constructor(options) {
diff --git a/test/js/samples/optional-chaining/expected.js b/test/js/samples/optional-chaining/expected.js
index 8aa94796c1..57369ddb72 100644
--- a/test/js/samples/optional-chaining/expected.js
+++ b/test/js/samples/optional-chaining/expected.js
@@ -23,9 +23,9 @@ function create_fragment(ctx) {
 	let t1_value = /*b*/ ctx[1]?.optional + "";
 	let t1;
 	let t2;
-	let t3_value = /*c*/ ctx[2]["computed"] + "";
+	let t3_value = /*c*/ ctx[2]['computed'] + "";
 	let t3;
-	let t4_value = /*d*/ ctx[3]?.["computed_optional"] + "";
+	let t4_value = /*d*/ ctx[3]?.['computed_optional'] + "";
 	let t4;
 	let t5;
 	let t6_value = /*e*/ ctx[4]() + "";
@@ -48,8 +48,8 @@ function create_fragment(ctx) {
 			props: {
 				a: /*a*/ ctx[0].normal,
 				b: /*b*/ ctx[1]?.optional,
-				c: /*c*/ ctx[2]["computed"],
-				d: /*d*/ ctx[3]?.["computed_optional"],
+				c: /*c*/ ctx[2]['computed'],
+				d: /*d*/ ctx[3]?.['computed_optional'],
 				e: /*e*/ ctx[4](),
 				f: /*f*/ ctx[5]?.()
 			}
@@ -71,8 +71,8 @@ function create_fragment(ctx) {
 			create_component(component.$$.fragment);
 			attr(div, "a", div_a_value = /*a*/ ctx[0].normal);
 			attr(div, "b", div_b_value = /*b*/ ctx[1]?.optional);
-			attr(div, "c", div_c_value = /*c*/ ctx[2]["computed"]);
-			attr(div, "d", div_d_value = /*d*/ ctx[3]?.["computed_optional"]);
+			attr(div, "c", div_c_value = /*c*/ ctx[2]['computed']);
+			attr(div, "d", div_d_value = /*d*/ ctx[3]?.['computed_optional']);
 			attr(div, "e", div_e_value = /*e*/ ctx[4]());
 			attr(div, "f", div_f_value = /*f*/ ctx[5]?.());
 		},
@@ -94,8 +94,8 @@ function create_fragment(ctx) {
 		p(ctx, [dirty]) {
 			if ((!current || dirty & /*a*/ 1) && t0_value !== (t0_value = /*a*/ ctx[0].normal + "")) set_data(t0, t0_value);
 			if ((!current || dirty & /*b*/ 2) && t1_value !== (t1_value = /*b*/ ctx[1]?.optional + "")) set_data(t1, t1_value);
-			if ((!current || dirty & /*c*/ 4) && t3_value !== (t3_value = /*c*/ ctx[2]["computed"] + "")) set_data(t3, t3_value);
-			if ((!current || dirty & /*d*/ 8) && t4_value !== (t4_value = /*d*/ ctx[3]?.["computed_optional"] + "")) set_data(t4, t4_value);
+			if ((!current || dirty & /*c*/ 4) && t3_value !== (t3_value = /*c*/ ctx[2]['computed'] + "")) set_data(t3, t3_value);
+			if ((!current || dirty & /*d*/ 8) && t4_value !== (t4_value = /*d*/ ctx[3]?.['computed_optional'] + "")) set_data(t4, t4_value);
 			if ((!current || dirty & /*e*/ 16) && t6_value !== (t6_value = /*e*/ ctx[4]() + "")) set_data(t6, t6_value);
 			if ((!current || dirty & /*f*/ 32) && t7_value !== (t7_value = /*f*/ ctx[5]?.() + "")) set_data(t7, t7_value);
 
@@ -107,11 +107,11 @@ function create_fragment(ctx) {
 				attr(div, "b", div_b_value);
 			}
 
-			if (!current || dirty & /*c*/ 4 && div_c_value !== (div_c_value = /*c*/ ctx[2]["computed"])) {
+			if (!current || dirty & /*c*/ 4 && div_c_value !== (div_c_value = /*c*/ ctx[2]['computed'])) {
 				attr(div, "c", div_c_value);
 			}
 
-			if (!current || dirty & /*d*/ 8 && div_d_value !== (div_d_value = /*d*/ ctx[3]?.["computed_optional"])) {
+			if (!current || dirty & /*d*/ 8 && div_d_value !== (div_d_value = /*d*/ ctx[3]?.['computed_optional'])) {
 				attr(div, "d", div_d_value);
 			}
 
@@ -126,8 +126,8 @@ function create_fragment(ctx) {
 			const component_changes = {};
 			if (dirty & /*a*/ 1) component_changes.a = /*a*/ ctx[0].normal;
 			if (dirty & /*b*/ 2) component_changes.b = /*b*/ ctx[1]?.optional;
-			if (dirty & /*c*/ 4) component_changes.c = /*c*/ ctx[2]["computed"];
-			if (dirty & /*d*/ 8) component_changes.d = /*d*/ ctx[3]?.["computed_optional"];
+			if (dirty & /*c*/ 4) component_changes.c = /*c*/ ctx[2]['computed'];
+			if (dirty & /*d*/ 8) component_changes.d = /*d*/ ctx[3]?.['computed_optional'];
 			if (dirty & /*e*/ 16) component_changes.e = /*e*/ ctx[4]();
 			if (dirty & /*f*/ 32) component_changes.f = /*f*/ ctx[5]?.();
 			component.$set(component_changes);
@@ -168,12 +168,12 @@ function instance($$self, $$props, $$invalidate) {
 	let Component;
 
 	$$self.$$set = $$props => {
-		if ("a" in $$props) $$invalidate(0, a = $$props.a);
-		if ("b" in $$props) $$invalidate(1, b = $$props.b);
-		if ("c" in $$props) $$invalidate(2, c = $$props.c);
-		if ("d" in $$props) $$invalidate(3, d = $$props.d);
-		if ("e" in $$props) $$invalidate(4, e = $$props.e);
-		if ("f" in $$props) $$invalidate(5, f = $$props.f);
+		if ('a' in $$props) $$invalidate(0, a = $$props.a);
+		if ('b' in $$props) $$invalidate(1, b = $$props.b);
+		if ('c' in $$props) $$invalidate(2, c = $$props.c);
+		if ('d' in $$props) $$invalidate(3, d = $$props.d);
+		if ('e' in $$props) $$invalidate(4, e = $$props.e);
+		if ('f' in $$props) $$invalidate(5, f = $$props.f);
 	};
 
 	return [a, b, c, d, e, f, Component];
diff --git a/test/js/samples/reactive-class-optimized/expected.js b/test/js/samples/reactive-class-optimized/expected.js
index b7c2c3a60b..1d0606ad60 100644
--- a/test/js/samples/reactive-class-optimized/expected.js
+++ b/test/js/samples/reactive-class-optimized/expected.js
@@ -13,7 +13,7 @@ import {
 	toggle_class
 } from "svelte/internal";
 
-import { reactiveStoreVal, unreactiveExport } from "./store";
+import { reactiveStoreVal, unreactiveExport } from './store';
 
 function create_fragment(ctx) {
 	let div0;
@@ -159,4 +159,4 @@ class Component extends SvelteComponent {
 	}
 }
 
-export default Component;
+export default Component;
\ No newline at end of file
diff --git a/test/js/samples/reactive-values-non-topologically-ordered/expected.js b/test/js/samples/reactive-values-non-topologically-ordered/expected.js
index dbfd794dc7..82af20ee90 100644
--- a/test/js/samples/reactive-values-non-topologically-ordered/expected.js
+++ b/test/js/samples/reactive-values-non-topologically-ordered/expected.js
@@ -7,7 +7,7 @@ function instance($$self, $$props, $$invalidate) {
 	let b;
 
 	$$self.$$set = $$props => {
-		if ("x" in $$props) $$invalidate(0, x = $$props.x);
+		if ('x' in $$props) $$invalidate(0, x = $$props.x);
 	};
 
 	$$self.$$.update = () => {
diff --git a/test/js/samples/reactive-values-non-writable-dependencies/expected.js b/test/js/samples/reactive-values-non-writable-dependencies/expected.js
index 5196a770d9..ca01bda65b 100644
--- a/test/js/samples/reactive-values-non-writable-dependencies/expected.js
+++ b/test/js/samples/reactive-values-non-writable-dependencies/expected.js
@@ -6,13 +6,13 @@ function instance($$self, $$props, $$invalidate) {
 	let { b = 2 } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("a" in $$props) $$invalidate(0, a = $$props.a);
-		if ("b" in $$props) $$invalidate(1, b = $$props.b);
+		if ('a' in $$props) $$invalidate(0, a = $$props.a);
+		if ('b' in $$props) $$invalidate(1, b = $$props.b);
 	};
 
 	$$self.$$.update = () => {
 		if ($$self.$$.dirty & /*a, b*/ 3) {
-			$: console.log("max", Math.max(a, b));
+			$: console.log('max', Math.max(a, b));
 		}
 	};
 
diff --git a/test/js/samples/select-dynamic-value/expected.js b/test/js/samples/select-dynamic-value/expected.js
index 8777cd2600..cd1ab1d812 100644
--- a/test/js/samples/select-dynamic-value/expected.js
+++ b/test/js/samples/select-dynamic-value/expected.js
@@ -51,7 +51,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { current } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("current" in $$props) $$invalidate(0, current = $$props.current);
+		if ('current' in $$props) $$invalidate(0, current = $$props.current);
 	};
 
 	return [current];
diff --git a/test/js/samples/src-attribute-check/expected.js b/test/js/samples/src-attribute-check/expected.js
index 93638edfb4..c68187c495 100644
--- a/test/js/samples/src-attribute-check/expected.js
+++ b/test/js/samples/src-attribute-check/expected.js
@@ -68,8 +68,8 @@ function instance($$self, $$props, $$invalidate) {
 	let { slug } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("url" in $$props) $$invalidate(0, url = $$props.url);
-		if ("slug" in $$props) $$invalidate(1, slug = $$props.slug);
+		if ('url' in $$props) $$invalidate(0, url = $$props.url);
+		if ('slug' in $$props) $$invalidate(1, slug = $$props.slug);
 	};
 
 	return [url, slug];
diff --git a/test/js/samples/ssr-no-oncreate-etc/expected.js b/test/js/samples/ssr-no-oncreate-etc/expected.js
index b91deb3e97..09ae6fd4a6 100644
--- a/test/js/samples/ssr-no-oncreate-etc/expected.js
+++ b/test/js/samples/ssr-no-oncreate-etc/expected.js
@@ -1,14 +1,14 @@
 /* generated by Svelte vX.Y.Z */
 import { create_ssr_component } from "svelte/internal";
 
-import { onDestroy, onMount } from "svelte";
+import { onDestroy, onMount } from 'svelte';
 
 function preload(input) {
 	return output;
 }
 
 function foo() {
-	console.log("foo");
+	console.log('foo');
 }
 
 function swipe(node, callback) {
@@ -17,11 +17,11 @@ function swipe(node, callback) {
 
 const Component = create_ssr_component(($$result, $$props, $$bindings, slots) => {
 	onMount(() => {
-		console.log("onMount");
+		console.log('onMount');
 	});
 
 	onDestroy(() => {
-		console.log("onDestroy");
+		console.log('onDestroy');
 	});
 
 	return ``;
diff --git a/test/js/samples/title/expected.js b/test/js/samples/title/expected.js
index b10f569759..6385f36acc 100644
--- a/test/js/samples/title/expected.js
+++ b/test/js/samples/title/expected.js
@@ -23,7 +23,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { custom } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("custom" in $$props) $$invalidate(0, custom = $$props.custom);
+		if ('custom' in $$props) $$invalidate(0, custom = $$props.custom);
 	};
 
 	return [custom];
diff --git a/test/js/samples/transition-local/expected.js b/test/js/samples/transition-local/expected.js
index ea3d9db3d7..1824ccb066 100644
--- a/test/js/samples/transition-local/expected.js
+++ b/test/js/samples/transition-local/expected.js
@@ -125,8 +125,8 @@ function instance($$self, $$props, $$invalidate) {
 	let { y } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("x" in $$props) $$invalidate(0, x = $$props.x);
-		if ("y" in $$props) $$invalidate(1, y = $$props.y);
+		if ('x' in $$props) $$invalidate(0, x = $$props.x);
+		if ('y' in $$props) $$invalidate(1, y = $$props.y);
 	};
 
 	return [x, y];
diff --git a/test/js/samples/transition-repeated-outro/expected.js b/test/js/samples/transition-repeated-outro/expected.js
index 12483ab91a..a2cbedffea 100644
--- a/test/js/samples/transition-repeated-outro/expected.js
+++ b/test/js/samples/transition-repeated-outro/expected.js
@@ -14,7 +14,7 @@ import {
 	transition_out
 } from "svelte/internal";
 
-import { fade } from "svelte/transition";
+import { fade } from 'svelte/transition';
 
 function create_if_block(ctx) {
 	let div;
@@ -103,7 +103,7 @@ function instance($$self, $$props, $$invalidate) {
 	let { num = 1 } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("num" in $$props) $$invalidate(0, num = $$props.num);
+		if ('num' in $$props) $$invalidate(0, num = $$props.num);
 	};
 
 	return [num];
diff --git a/test/js/samples/unchanged-expression/expected.js b/test/js/samples/unchanged-expression/expected.js
index 673d5b6abc..48ae8131ff 100644
--- a/test/js/samples/unchanged-expression/expected.js
+++ b/test/js/samples/unchanged-expression/expected.js
@@ -69,14 +69,14 @@ function create_fragment(ctx) {
 	};
 }
 
-let world1 = "world";
-let world2 = "world";
+let world1 = 'world';
+let world2 = 'world';
 
 function instance($$self, $$props, $$invalidate) {
-	const world3 = "world";
+	const world3 = 'world';
 
 	function foo() {
-		$$invalidate(0, world3 = "svelte");
+		$$invalidate(0, world3 = 'svelte');
 	}
 
 	return [world3];
diff --git a/test/js/samples/unreferenced-state-not-invalidated/expected.js b/test/js/samples/unreferenced-state-not-invalidated/expected.js
index 53044c7ed6..8c238a8397 100644
--- a/test/js/samples/unreferenced-state-not-invalidated/expected.js
+++ b/test/js/samples/unreferenced-state-not-invalidated/expected.js
@@ -12,7 +12,7 @@ import {
 	text
 } from "svelte/internal";
 
-import { onMount } from "svelte";
+import { onMount } from 'svelte';
 
 function create_fragment(ctx) {
 	let p;
diff --git a/test/js/samples/use-elements-as-anchors/expected.js b/test/js/samples/use-elements-as-anchors/expected.js
index d07411518e..8a45cb54c8 100644
--- a/test/js/samples/use-elements-as-anchors/expected.js
+++ b/test/js/samples/use-elements-as-anchors/expected.js
@@ -244,11 +244,11 @@ function instance($$self, $$props, $$invalidate) {
 	let { e } = $$props;
 
 	$$self.$$set = $$props => {
-		if ("a" in $$props) $$invalidate(0, a = $$props.a);
-		if ("b" in $$props) $$invalidate(1, b = $$props.b);
-		if ("c" in $$props) $$invalidate(2, c = $$props.c);
-		if ("d" in $$props) $$invalidate(3, d = $$props.d);
-		if ("e" in $$props) $$invalidate(4, e = $$props.e);
+		if ('a' in $$props) $$invalidate(0, a = $$props.a);
+		if ('b' in $$props) $$invalidate(1, b = $$props.b);
+		if ('c' in $$props) $$invalidate(2, c = $$props.c);
+		if ('d' in $$props) $$invalidate(3, d = $$props.d);
+		if ('e' in $$props) $$invalidate(4, e = $$props.e);
 	};
 
 	return [a, b, c, d, e];
diff --git a/test/js/samples/video-bindings/expected.js b/test/js/samples/video-bindings/expected.js
index 8afa670bbb..020bab574c 100644
--- a/test/js/samples/video-bindings/expected.js
+++ b/test/js/samples/video-bindings/expected.js
@@ -94,10 +94,10 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("currentTime" in $$props) $$invalidate(0, currentTime = $$props.currentTime);
-		if ("videoHeight" in $$props) $$invalidate(1, videoHeight = $$props.videoHeight);
-		if ("videoWidth" in $$props) $$invalidate(2, videoWidth = $$props.videoWidth);
-		if ("offsetWidth" in $$props) $$invalidate(3, offsetWidth = $$props.offsetWidth);
+		if ('currentTime' in $$props) $$invalidate(0, currentTime = $$props.currentTime);
+		if ('videoHeight' in $$props) $$invalidate(1, videoHeight = $$props.videoHeight);
+		if ('videoWidth' in $$props) $$invalidate(2, videoWidth = $$props.videoWidth);
+		if ('offsetWidth' in $$props) $$invalidate(3, offsetWidth = $$props.offsetWidth);
 	};
 
 	return [
diff --git a/test/js/samples/window-binding-scroll/expected.js b/test/js/samples/window-binding-scroll/expected.js
index 09a4d3737d..ae155d42bf 100644
--- a/test/js/samples/window-binding-scroll/expected.js
+++ b/test/js/samples/window-binding-scroll/expected.js
@@ -79,7 +79,7 @@ function instance($$self, $$props, $$invalidate) {
 	}
 
 	$$self.$$set = $$props => {
-		if ("y" in $$props) $$invalidate(0, y = $$props.y);
+		if ('y' in $$props) $$invalidate(0, y = $$props.y);
 	};
 
 	return [y, onwindowscroll];
diff --git a/test/parser/samples/error-script-unclosed-eof/error.json b/test/parser/samples/error-script-unclosed-eof/error.json
new file mode 100644
index 0000000000..277acd4196
--- /dev/null
+++ b/test/parser/samples/error-script-unclosed-eof/error.json
@@ -0,0 +1,10 @@
+{
+	"code": "unclosed-script",
+	"message": "<script> must have a closing tag",
+	"start": {
+		"line": 3,
+		"column": 22,
+		"character": 32
+	},
+	"pos": 32
+}
\ No newline at end of file
diff --git a/test/parser/samples/error-script-unclosed-eof/input.svelte b/test/parser/samples/error-script-unclosed-eof/input.svelte
new file mode 100644
index 0000000000..ce79e99706
--- /dev/null
+++ b/test/parser/samples/error-script-unclosed-eof/input.svelte
@@ -0,0 +1,3 @@
+<script>
+
+<h1>Hello {name}!</h1>
\ No newline at end of file
diff --git a/test/parser/samples/error-style-unclosed-eof/error.json b/test/parser/samples/error-style-unclosed-eof/error.json
new file mode 100644
index 0000000000..28da4931bc
--- /dev/null
+++ b/test/parser/samples/error-style-unclosed-eof/error.json
@@ -0,0 +1,10 @@
+{
+	"code": "unclosed-style",
+	"message": "<style> must have a closing tag",
+	"start": {
+		"line": 3,
+		"column": 22,
+		"character": 31
+	},
+	"pos": 31
+}
\ No newline at end of file
diff --git a/test/parser/samples/error-style-unclosed-eof/input.svelte b/test/parser/samples/error-style-unclosed-eof/input.svelte
new file mode 100644
index 0000000000..4c12744313
--- /dev/null
+++ b/test/parser/samples/error-style-unclosed-eof/input.svelte
@@ -0,0 +1,3 @@
+<style>
+
+<h1>Hello {name}!</h1>
\ No newline at end of file
diff --git a/test/parser/samples/error-style-unclosed/error.json b/test/parser/samples/error-style-unclosed/error.json
new file mode 100644
index 0000000000..02f32c273d
--- /dev/null
+++ b/test/parser/samples/error-style-unclosed/error.json
@@ -0,0 +1,10 @@
+{
+	"code": "unclosed-style",
+	"message": "<style> must have a closing tag",
+	"start": {
+		"line": 3,
+		"column": 7,
+		"character": 31
+	},
+	"pos": 31
+}
\ No newline at end of file
diff --git a/test/parser/samples/error-style-unclosed/input.svelte b/test/parser/samples/error-style-unclosed/input.svelte
new file mode 100644
index 0000000000..a33bc1dfaf
--- /dev/null
+++ b/test/parser/samples/error-style-unclosed/input.svelte
@@ -0,0 +1,3 @@
+<h1>Hello {name}!</h1>
+
+<style>
\ No newline at end of file
diff --git a/test/parser/samples/whitespace-after-script-tag/input.svelte b/test/parser/samples/whitespace-after-script-tag/input.svelte
new file mode 100644
index 0000000000..89cb16cbf0
--- /dev/null
+++ b/test/parser/samples/whitespace-after-script-tag/input.svelte
@@ -0,0 +1,10 @@
+<script>
+	let name = 'world';
+</script     
+
+
+
+
+>
+
+<h1>Hello {name}!</h1>
\ No newline at end of file
diff --git a/test/parser/samples/whitespace-after-script-tag/output.json b/test/parser/samples/whitespace-after-script-tag/output.json
new file mode 100644
index 0000000000..903c392685
--- /dev/null
+++ b/test/parser/samples/whitespace-after-script-tag/output.json
@@ -0,0 +1,150 @@
+{
+	"html": {
+		"start": 51,
+		"end": 73,
+		"type": "Fragment",
+		"children": [
+			{
+				"start": 49,
+				"end": 51,
+				"type": "Text",
+				"raw": "\n\n",
+				"data": "\n\n"
+			},
+			{
+				"start": 51,
+				"end": 73,
+				"type": "Element",
+				"name": "h1",
+				"attributes": [],
+				"children": [
+					{
+						"start": 55,
+						"end": 61,
+						"type": "Text",
+						"raw": "Hello ",
+						"data": "Hello "
+					},
+					{
+						"start": 61,
+						"end": 67,
+						"type": "MustacheTag",
+						"expression": {
+							"type": "Identifier",
+							"start": 62,
+							"end": 66,
+							"loc": {
+								"start": {
+									"line": 10,
+									"column": 11
+								},
+								"end": {
+									"line": 10,
+									"column": 15
+								}
+							},
+							"name": "name"
+						}
+					},
+					{
+						"start": 67,
+						"end": 68,
+						"type": "Text",
+						"raw": "!",
+						"data": "!"
+					}
+				]
+			}
+		]
+	},
+	"instance": {
+		"type": "Script",
+		"start": 0,
+		"end": 49,
+		"context": "default",
+		"content": {
+			"type": "Program",
+			"start": 8,
+			"end": 30,
+			"loc": {
+				"start": {
+					"line": 1,
+					"column": 0
+				},
+				"end": {
+					"line": 3,
+					"column": 0
+				}
+			},
+			"body": [
+				{
+					"type": "VariableDeclaration",
+					"start": 10,
+					"end": 29,
+					"loc": {
+						"start": {
+							"line": 2,
+							"column": 1
+						},
+						"end": {
+							"line": 2,
+							"column": 20
+						}
+					},
+					"declarations": [
+						{
+							"type": "VariableDeclarator",
+							"start": 14,
+							"end": 28,
+							"loc": {
+								"start": {
+									"line": 2,
+									"column": 5
+								},
+								"end": {
+									"line": 2,
+									"column": 19
+								}
+							},
+							"id": {
+								"type": "Identifier",
+								"start": 14,
+								"end": 18,
+								"loc": {
+									"start": {
+										"line": 2,
+										"column": 5
+									},
+									"end": {
+										"line": 2,
+										"column": 9
+									}
+								},
+								"name": "name"
+							},
+							"init": {
+								"type": "Literal",
+								"start": 21,
+								"end": 28,
+								"loc": {
+									"start": {
+										"line": 2,
+										"column": 12
+									},
+									"end": {
+										"line": 2,
+										"column": 19
+									}
+								},
+								"value": "world",
+								"raw": "'world'"
+							}
+						}
+					],
+					"kind": "let"
+				}
+			],
+			"sourceType": "module"
+		}
+	}
+}
\ No newline at end of file
diff --git a/test/parser/samples/whitespace-after-style-tag/input.svelte b/test/parser/samples/whitespace-after-style-tag/input.svelte
new file mode 100644
index 0000000000..ae4277b697
--- /dev/null
+++ b/test/parser/samples/whitespace-after-style-tag/input.svelte
@@ -0,0 +1,12 @@
+<div>foo</div>
+
+<style>
+	div {
+		color: red;
+	}
+</style     
+
+
+
+
+>
\ No newline at end of file
diff --git a/test/parser/samples/whitespace-after-style-tag/output.json b/test/parser/samples/whitespace-after-style-tag/output.json
new file mode 100644
index 0000000000..5eee81f034
--- /dev/null
+++ b/test/parser/samples/whitespace-after-style-tag/output.json
@@ -0,0 +1,97 @@
+{
+	"html": {
+		"start": 0,
+		"end": 14,
+		"type": "Fragment",
+		"children": [
+			{
+				"start": 0,
+				"end": 14,
+				"type": "Element",
+				"name": "div",
+				"attributes": [],
+				"children": [
+					{
+						"start": 5,
+						"end": 8,
+						"type": "Text",
+						"raw": "foo",
+						"data": "foo"
+					}
+				]
+			},
+			{
+				"start": 14,
+				"end": 16,
+				"type": "Text",
+				"raw": "\n\n",
+				"data": "\n\n"
+			}
+		]
+	},
+	"css": {
+		"type": "Style",
+		"start": 16,
+		"end": 66,
+		"attributes": [],
+		"children": [
+			{
+				"type": "Rule",
+				"prelude": {
+					"type": "SelectorList",
+					"children": [
+						{
+							"type": "Selector",
+							"children": [
+								{
+									"type": "TypeSelector",
+									"name": "div",
+									"start": 25,
+									"end": 28
+								}
+							],
+							"start": 25,
+							"end": 28
+						}
+					],
+					"start": 25,
+					"end": 28
+				},
+				"block": {
+					"type": "Block",
+					"children": [
+						{
+							"type": "Declaration",
+							"important": false,
+							"property": "color",
+							"value": {
+								"type": "Value",
+								"children": [
+									{
+										"type": "Identifier",
+										"name": "red",
+										"start": 40,
+										"end": 43
+									}
+								],
+								"start": 40,
+								"end": 43
+							},
+							"start": 33,
+							"end": 43
+						}
+					],
+					"start": 29,
+					"end": 47
+				},
+				"start": 25,
+				"end": 47
+			}
+		],
+		"content": {
+			"start": 23,
+			"end": 48,
+			"styles": "\n\tdiv {\n\t\tcolor: red;\n\t}\n"
+		}
+	}
+}
\ No newline at end of file
diff --git a/test/runtime/samples/attribute-prefer-expression/_config.js b/test/runtime/samples/attribute-prefer-expression/_config.js
index 2388ff35df..22bed8a6bc 100644
--- a/test/runtime/samples/attribute-prefer-expression/_config.js
+++ b/test/runtime/samples/attribute-prefer-expression/_config.js
@@ -1,5 +1,4 @@
 export default {
-	skip_if_ssr: true,
 
 	props: {
 		foo: false
diff --git a/test/runtime/samples/binding-indirect-spread/_config.js b/test/runtime/samples/binding-indirect-spread/_config.js
index 1f24fcdbcb..b0701bdc7c 100644
--- a/test/runtime/samples/binding-indirect-spread/_config.js
+++ b/test/runtime/samples/binding-indirect-spread/_config.js
@@ -1,5 +1,13 @@
 export default {
-	skip_if_ssr: true,
+	ssrHtml: `
+		<input type="radio" value="radio1">
+		<input type="radio" value="radio2" checked>
+		<input type="radio" value="radio3">
+
+		<input type="checkbox" value="check1">
+		<input type="checkbox" value="check2" checked>
+		<input type="checkbox" value="check3">
+	`,
 	async test({ assert, component, target, window }) {
 		const event = new window.MouseEvent('click');
 
diff --git a/test/runtime/samples/binding-input-checkbox-group-outside-each/_config.js b/test/runtime/samples/binding-input-checkbox-group-outside-each/_config.js
index ab89bc8daa..0948797865 100644
--- a/test/runtime/samples/binding-input-checkbox-group-outside-each/_config.js
+++ b/test/runtime/samples/binding-input-checkbox-group-outside-each/_config.js
@@ -25,6 +25,21 @@ export default {
 
 		<p>Beta</p>`,
 
+	ssrHtml: `
+		<label>
+			<input type="checkbox" value="[object Object]"> Alpha
+		</label>
+
+		<label>
+			<input type="checkbox" value="[object Object]" checked> Beta
+		</label>
+
+		<label>
+			<input type="checkbox" value="[object Object]"> Gamma
+		</label>
+
+		<p>Beta</p>`,
+
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, false);
diff --git a/test/runtime/samples/binding-input-checkbox-group/_config.js b/test/runtime/samples/binding-input-checkbox-group/_config.js
index ab89bc8daa..0948797865 100644
--- a/test/runtime/samples/binding-input-checkbox-group/_config.js
+++ b/test/runtime/samples/binding-input-checkbox-group/_config.js
@@ -25,6 +25,21 @@ export default {
 
 		<p>Beta</p>`,
 
+	ssrHtml: `
+		<label>
+			<input type="checkbox" value="[object Object]"> Alpha
+		</label>
+
+		<label>
+			<input type="checkbox" value="[object Object]" checked> Beta
+		</label>
+
+		<label>
+			<input type="checkbox" value="[object Object]"> Gamma
+		</label>
+
+		<p>Beta</p>`,
+
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, false);
diff --git a/test/runtime/samples/binding-input-group-each-1/_config.js b/test/runtime/samples/binding-input-group-each-1/_config.js
index 92010296dc..9bdf784f73 100644
--- a/test/runtime/samples/binding-input-group-each-1/_config.js
+++ b/test/runtime/samples/binding-input-group-each-1/_config.js
@@ -64,6 +64,54 @@ export default {
 		</div>
 	`,
 
+	ssrHtml: `
+		<div>
+			<label>
+				<input type="checkbox" value="[object Object]"> Alpha
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]" checked> Beta
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Gamma
+			</label>
+
+			<p>Beta</p>
+		</div>
+		<div>
+			<label>
+				<input type="checkbox" value="[object Object]"> Alpha
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Beta
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Gamma
+			</label>
+
+			<p></p>
+		</div>
+		<div>
+			<label>
+				<input type="checkbox" value="[object Object]"> Alpha
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Beta
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]" checked> Gamma
+			</label>
+
+			<p>Gamma</p>
+		</div>
+	`,
+
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, false);
diff --git a/test/runtime/samples/binding-input-group-each-2/_config.js b/test/runtime/samples/binding-input-group-each-2/_config.js
index 78d692d979..880b183f88 100644
--- a/test/runtime/samples/binding-input-group-each-2/_config.js
+++ b/test/runtime/samples/binding-input-group-each-2/_config.js
@@ -12,6 +12,19 @@ export default {
 
 		<p>1, 2, 3</p>`,
 
+	ssrHtml: `
+		<label>
+			<input type="checkbox" value="1" checked> 1
+		</label>
+		<label>
+			<input type="checkbox" value="2" checked> 2
+		</label>
+		<label>
+			<input type="checkbox" value="3" checked> 3
+		</label>
+
+		<p>1, 2, 3</p>`,
+
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, true);
diff --git a/test/runtime/samples/binding-input-group-each-3/_config.js b/test/runtime/samples/binding-input-group-each-3/_config.js
index 92010296dc..f4018295d7 100644
--- a/test/runtime/samples/binding-input-group-each-3/_config.js
+++ b/test/runtime/samples/binding-input-group-each-3/_config.js
@@ -63,7 +63,53 @@ export default {
 			<p>Gamma</p>
 		</div>
 	`,
+	ssrHtml: `
+		<div>
+			<label>
+				<input type="checkbox" value="[object Object]"> Alpha
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]" checked> Beta
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Gamma
+			</label>
+
+			<p>Beta</p>
+		</div>
+		<div>
+			<label>
+				<input type="checkbox" value="[object Object]"> Alpha
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Beta
+			</label>
 
+			<label>
+				<input type="checkbox" value="[object Object]"> Gamma
+			</label>
+
+			<p></p>
+		</div>
+		<div>
+			<label>
+				<input type="checkbox" value="[object Object]"> Alpha
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]"> Beta
+			</label>
+
+			<label>
+				<input type="checkbox" value="[object Object]" checked> Gamma
+			</label>
+
+			<p>Gamma</p>
+		</div>
+	`,
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, false);
diff --git a/test/runtime/samples/binding-input-group-each-4/_config.js b/test/runtime/samples/binding-input-group-each-4/_config.js
index f1168858b0..da5edf18bc 100644
--- a/test/runtime/samples/binding-input-group-each-4/_config.js
+++ b/test/runtime/samples/binding-input-group-each-4/_config.js
@@ -17,7 +17,24 @@ export default {
 		<label><input type="checkbox" value="3"> 3</label>
 		<p>3</p>
 	`,
-
+	ssrHtml: `
+		<label><input type="checkbox" value="1" checked> 1</label>
+		<label><input type="checkbox" value="2"> 2</label>
+		<label><input type="checkbox" value="3"> 3</label>
+		<p>1</p>
+		<label><input type="checkbox" value="1"> 1</label>
+		<label><input type="checkbox" value="2" checked> 2</label>
+		<label><input type="checkbox" value="3"> 3</label>
+		<p>2</p>
+		<label><input type="checkbox" value="1"> 1</label>
+		<label><input type="checkbox" value="2"> 2</label>
+		<label><input type="checkbox" value="3"> 3</label>
+		<p></p>
+		<label><input type="checkbox" value="1"> 1</label>
+		<label><input type="checkbox" value="2"> 2</label>
+		<label><input type="checkbox" value="3" checked> 3</label>
+		<p>3</p>
+	`,
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, true);
diff --git a/test/runtime/samples/binding-input-group-each-5/_config.js b/test/runtime/samples/binding-input-group-each-5/_config.js
index 579225c627..cdfe9308df 100644
--- a/test/runtime/samples/binding-input-group-each-5/_config.js
+++ b/test/runtime/samples/binding-input-group-each-5/_config.js
@@ -17,7 +17,24 @@ export default {
 		<label><input type="checkbox" value="3"> 3</label>
 		<p>1</p>
 	`,
-
+	ssrHtml: `
+		<label><input type="checkbox" value="1" checked> 1</label>
+		<label><input type="checkbox" value="2"> 2</label>
+		<label><input type="checkbox" value="3"> 3</label>
+		<p>1</p>
+		<label><input type="checkbox" value="1" checked> 1</label>
+		<label><input type="checkbox" value="2" checked> 2</label>
+		<label><input type="checkbox" value="3" checked> 3</label>
+		<p>1, 2, 3</p>
+		<label><input type="checkbox" value="1"> 1</label>
+		<label><input type="checkbox" value="2" checked> 2</label>
+		<label><input type="checkbox" value="3"> 3</label>
+		<p>2</p>
+		<label><input type="checkbox" value="1" checked> 1</label>
+		<label><input type="checkbox" value="2"> 2</label>
+		<label><input type="checkbox" value="3"> 3</label>
+		<p>1</p>
+	`,
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, true);
diff --git a/test/runtime/samples/binding-input-group-each-6/_config.js b/test/runtime/samples/binding-input-group-each-6/_config.js
index 9eb251bf5d..4d280ed7ac 100644
--- a/test/runtime/samples/binding-input-group-each-6/_config.js
+++ b/test/runtime/samples/binding-input-group-each-6/_config.js
@@ -13,7 +13,6 @@ export default {
 		<label><input type="checkbox" value="z"> z</label>
 		<p></p>
 	`,
-
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, false);
diff --git a/test/runtime/samples/binding-input-radio-group/_config.js b/test/runtime/samples/binding-input-radio-group/_config.js
index e289d48597..9684f60fa6 100644
--- a/test/runtime/samples/binding-input-radio-group/_config.js
+++ b/test/runtime/samples/binding-input-radio-group/_config.js
@@ -25,6 +25,21 @@ export default {
 
 		<p>Beta</p>`,
 
+	ssrHtml: `
+		<label>
+			<input type="radio" value="[object Object]"> Alpha
+		</label>
+
+		<label>
+			<input type="radio" value="[object Object]" checked> Beta
+		</label>
+
+		<label>
+			<input type="radio" value="[object Object]"> Gamma
+		</label>
+
+		<p>Beta</p>`,
+
 	async test({ assert, component, target, window }) {
 		const inputs = target.querySelectorAll('input');
 		assert.equal(inputs[0].checked, false);
diff --git a/test/runtime/samples/numeric-seperator/_config.js b/test/runtime/samples/numeric-seperator/_config.js
deleted file mode 100644
index 2b1b5168ee..0000000000
--- a/test/runtime/samples/numeric-seperator/_config.js
+++ /dev/null
@@ -1,3 +0,0 @@
-export default {
-	html: '2048 2048'
-};
diff --git a/test/runtime/samples/numeric-seperator/main.svelte b/test/runtime/samples/numeric-seperator/main.svelte
deleted file mode 100644
index e491b8a107..0000000000
--- a/test/runtime/samples/numeric-seperator/main.svelte
+++ /dev/null
@@ -1,5 +0,0 @@
-<script>
-	const num = 2_048;
-</script>
-
-{num} {2_048}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/bindings-group/_expected.html b/test/server-side-rendering/samples/bindings-group/_expected.html
new file mode 100644
index 0000000000..06d4242b07
--- /dev/null
+++ b/test/server-side-rendering/samples/bindings-group/_expected.html
@@ -0,0 +1,5 @@
+<div>Cheese</div>
+<input type="radio" value="Plain" checked>
+<input type="radio" value="Whole wheat">
+<input type="checkbox" value="Beans">
+<input type="checkbox" value="Cheese" checked>
diff --git a/test/server-side-rendering/samples/bindings-group/main.svelte b/test/server-side-rendering/samples/bindings-group/main.svelte
new file mode 100644
index 0000000000..a88d3fb200
--- /dev/null
+++ b/test/server-side-rendering/samples/bindings-group/main.svelte
@@ -0,0 +1,12 @@
+<script>
+	let tortilla = 'Plain';
+	let fillings = ['Cheese'];
+</script>
+
+<div>{fillings.toString()}</div>
+
+<input type="radio" bind:group={tortilla} value="Plain">
+<input type="radio" bind:group={tortilla} value="Whole wheat">
+
+<input type="checkbox" bind:group={fillings} value="Beans">
+<input type="checkbox" bind:group={fillings} value="Cheese">
diff --git a/test/sourcemaps/samples/decoded-sourcemap/_config.js b/test/sourcemaps/samples/decoded-sourcemap/_config.js
index dd4eee9461..a0b2c82692 100644
--- a/test/sourcemaps/samples/decoded-sourcemap/_config.js
+++ b/test/sourcemaps/samples/decoded-sourcemap/_config.js
@@ -3,7 +3,7 @@ import { magic_string_preprocessor_result, magic_string_replace_all } from '../.
 
 export default {
 
-	js_map_sources: [], // test component has no scripts
+	js_map_sources: ['input.svelte'],
 
 	preprocess: {
 		markup: ({ content, filename }) => {
diff --git a/test/sourcemaps/samples/external/_config.js b/test/sourcemaps/samples/external/_config.js
index 400def20ac..07a0903482 100644
--- a/test/sourcemaps/samples/external/_config.js
+++ b/test/sourcemaps/samples/external/_config.js
@@ -10,7 +10,7 @@ export const STYLES = '.awesome { color: orange; }\n';
 
 export default {
 	css_map_sources: ['common.scss', 'styles.scss'],
-	js_map_sources: [],
+	js_map_sources: ['input.svelte'],
 	preprocess: [
 		{
 			style: () => {
diff --git a/test/sourcemaps/samples/markup/input.svelte b/test/sourcemaps/samples/markup/input.svelte
new file mode 100644
index 0000000000..d5baaac693
--- /dev/null
+++ b/test/sourcemaps/samples/markup/input.svelte
@@ -0,0 +1,2 @@
+<h1>decoded-sourcemap</h1>
+<div>replace me</div>
\ No newline at end of file
diff --git a/test/sourcemaps/samples/markup/test.js b/test/sourcemaps/samples/markup/test.js
new file mode 100644
index 0000000000..2c6abfdf41
--- /dev/null
+++ b/test/sourcemaps/samples/markup/test.js
@@ -0,0 +1,34 @@
+export function test({ assert, input, js }) {
+	let expected;
+
+	let start;
+	let actual;
+
+	start = js.locate('insert(target, h1');
+	expected = input.locate('<h1');
+	actual = js.mapConsumer.originalPositionFor({
+		line: start.line + 1,
+		column: start.column
+	});
+
+	assert.deepEqual(actual, {
+		source: 'input.svelte',
+		name: null,
+		line: expected.line + 1,
+		column: expected.column
+	});
+
+	start = js.locate('insert(target, div');
+	expected = input.locate('<div');
+	actual = js.mapConsumer.originalPositionFor({
+		line: start.line + 1,
+		column: start.column
+	});
+
+	assert.deepEqual(actual, {
+		source: 'input.svelte',
+		name: null,
+		line: expected.line + 1,
+		column: expected.column
+	});
+}
diff --git a/test/sourcemaps/samples/sourcemap-basename/_config.js b/test/sourcemaps/samples/sourcemap-basename/_config.js
index 33146af7e7..7692b7a6d9 100644
--- a/test/sourcemaps/samples/sourcemap-basename/_config.js
+++ b/test/sourcemaps/samples/sourcemap-basename/_config.js
@@ -15,7 +15,7 @@ span {
 
 export default {
 	css_map_sources: [external_relative_filename],
-	js_map_sources: [],
+	js_map_sources: ['input.svelte'],
 	preprocess: [
 		{
 			style: ({ content, filename }) => {
diff --git a/test/sourcemaps/samples/sourcemap-offsets/_config.js b/test/sourcemaps/samples/sourcemap-offsets/_config.js
index 392fb68a43..bbc24c3225 100644
--- a/test/sourcemaps/samples/sourcemap-offsets/_config.js
+++ b/test/sourcemaps/samples/sourcemap-offsets/_config.js
@@ -3,7 +3,7 @@ import { magic_string_bundle } from '../../helpers';
 export const EXTERNAL = 'span { --external-var: 1px; }';
 
 export default {
-	js_map_sources: [],
+	js_map_sources: ['input.svelte'],
 	css_map_sources: ['input.svelte', 'external.css'],
 	preprocess: [
 		{
diff --git a/test/validator/samples/css-invalid-global-selector-5/errors.json b/test/validator/samples/css-invalid-global-selector-5/errors.json
new file mode 100644
index 0000000000..8129b236e6
--- /dev/null
+++ b/test/validator/samples/css-invalid-global-selector-5/errors.json
@@ -0,0 +1,17 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 1,
+			"character": 54
+		},
+		"end": {
+			"line": 5,
+			"column": 20,
+			"character": 73
+		},
+		"pos": 54
+	}
+]
diff --git a/test/validator/samples/css-invalid-global-selector-5/input.svelte b/test/validator/samples/css-invalid-global-selector-5/input.svelte
new file mode 100644
index 0000000000..67d4b9928a
--- /dev/null
+++ b/test/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/test/validator/samples/css-invalid-global-selector-6/errors.json b/test/validator/samples/css-invalid-global-selector-6/errors.json
new file mode 100644
index 0000000000..8129b236e6
--- /dev/null
+++ b/test/validator/samples/css-invalid-global-selector-6/errors.json
@@ -0,0 +1,17 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 1,
+			"character": 54
+		},
+		"end": {
+			"line": 5,
+			"column": 20,
+			"character": 73
+		},
+		"pos": 54
+	}
+]
diff --git a/test/validator/samples/css-invalid-global-selector-6/input.svelte b/test/validator/samples/css-invalid-global-selector-6/input.svelte
new file mode 100644
index 0000000000..e0b2ffd597
--- /dev/null
+++ b/test/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/test/validator/samples/css-invalid-global-selector/errors.json b/test/validator/samples/css-invalid-global-selector/errors.json
index 2998f09cfa..7b2d5123b0 100644
--- a/test/validator/samples/css-invalid-global-selector/errors.json
+++ b/test/validator/samples/css-invalid-global-selector/errors.json
@@ -3,15 +3,15 @@
 		"code": "css-invalid-global-selector",
 		"message": ":global(...) must contain a single selector",
 		"start": {
-			"line": 5,
+			"line": 11,
 			"column": 5,
-			"character": 58
+			"character": 143
 		},
 		"end": {
-			"line": 5,
+			"line": 11,
 			"column": 24,
-			"character": 77
+			"character": 162
 		},
-		"pos": 58
+		"pos": 143
 	}
 ]
diff --git a/test/validator/samples/css-invalid-global-selector/input.svelte b/test/validator/samples/css-invalid-global-selector/input.svelte
index 6f92027612..0ec337edfb 100644
--- a/test/validator/samples/css-invalid-global-selector/input.svelte
+++ b/test/validator/samples/css-invalid-global-selector/input.svelte
@@ -2,6 +2,12 @@
 	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;
 	}