diff --git a/.eslintrc.js b/.eslintrc.js
index 946a157e40..a093de610b 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,65 +1,6 @@
 module.exports = {
 	root: true,
-	rules: {
-		indent: 'off',
-		'no-unused-vars': 'off',
-		semi: [2, 'always'],
-		'keyword-spacing': [2, { before: true, after: true }],
-		'space-before-blocks': [2, 'always'],
-		'no-mixed-spaces-and-tabs': [2, 'smart-tabs'],
-		'no-cond-assign': 0,
-		'object-shorthand': [2, 'always'],
-		'no-const-assign': 2,
-		'no-class-assign': 2,
-		'no-this-before-super': 2,
-		'no-var': 2,
-		'no-unreachable': 2,
-		'valid-typeof': 2,
-		'quote-props': [2, 'as-needed'],
-		'one-var': [2, 'never'],
-		'prefer-arrow-callback': 2,
-		'prefer-const': [2, { destructuring: 'all' }],
-		'arrow-spacing': 2,
-		'no-inner-declarations': 0,
-		'require-atomic-updates': 'off',
-		'@typescript-eslint/indent': 'off',
-		'@typescript-eslint/camelcase': 'off',
-		'@typescript-eslint/no-use-before-define': 'off',
-		'@typescript-eslint/array-type': ['error', 'array-simple'],
-		'@typescript-eslint/explicit-function-return-type': 'off',
-		'@typescript-eslint/no-explicit-any': 'off',
-		'@typescript-eslint/explicit-member-accessibility': 'off',
-		'@typescript-eslint/no-unused-vars': [
-			'error',
-			{
-				argsIgnorePattern: '^_'
-			}
-		],
-		'@typescript-eslint/no-object-literal-type-assertion': 'off',
-		'@typescript-eslint/no-unused-vars': 'off',
-		'@typescript-eslint/prefer-interface': 'off'
-	},
-	globals: {
-		globalThis: false
-	},
-	env: {
-		es6: true,
-		browser: true,
-		node: true,
-		mocha: true
-	},
-	extends: [
-		'eslint:recommended',
-		'plugin:import/errors',
-		'plugin:import/warnings',
-		'plugin:import/typescript',
-		'plugin:@typescript-eslint/recommended'
-	],
-	parserOptions: {
-		ecmaVersion: 9,
-		sourceType: 'module'
-	},
-	plugins: ['svelte3'],
+	extends: '@sveltejs',
 	settings: {
 		'import/core-modules': [
 			'svelte',
@@ -69,20 +10,5 @@ module.exports = {
 			'estree'
 		],
 		'svelte3/compiler': require('./compiler')
-	},
-	overrides: [
-		{
-			files: ['*.js'],
-			rules: {
-				'@typescript-eslint/no-var-requires': 'off'
-			}
-		},
-		{
-			files: ['*.svelte'],
-			processor: 'svelte3/svelte3',
-			rules: {
-				'@typescript-eslint/indent': 'off'
-			}
-		}
-	]
+	}
 };
diff --git a/src/compiler/compile/Component.ts b/src/compiler/compile/Component.ts
index a5a31c8070..fdaad8dfa9 100644
--- a/src/compiler/compile/Component.ts
+++ b/src/compiler/compile/Component.ts
@@ -8,7 +8,7 @@ import {
 	create_scopes,
 	extract_names,
 	Scope,
-	extract_identifiers,
+	extract_identifiers
 } from './utils/scope';
 import Stylesheet from './css/Stylesheet';
 import { test } from '../config';
@@ -155,7 +155,7 @@ export default class Component {
 				) || { start: 0, end: 0 };
 				this.warn(svelteOptions, {
 					code: 'custom-element-no-tag',
-					message: `No custom element 'tag' option was specified. To automatically register a custom element, specify a name with a hyphen in it, e.g. <svelte:options tag="my-thing"/>. To hide this warning, use <svelte:options tag={null}/>`,
+					message: `No custom element 'tag' option was specified. To automatically register a custom element, specify a name with a hyphen in it, e.g. <svelte:options tag="my-thing"/>. To hide this warning, use <svelte:options tag={null}/>`
 				});
 			}
 			this.tag = this.component_options.tag || compile_options.tag;
@@ -190,7 +190,7 @@ export default class Component {
 			this.add_var({
 				name,
 				injected: true,
-				referenced: true,
+				referenced: true
 			});
 		} else if (name[0] === '$') {
 			this.add_var({
@@ -198,7 +198,7 @@ export default class Component {
 				injected: true,
 				referenced: true,
 				mutated: true,
-				writable: true,
+				writable: true
 			});
 
 			const subscribable_name = name.slice(1);
@@ -289,7 +289,7 @@ export default class Component {
 			}
 			const imported_helpers = Array.from(this.helpers, ([name, alias]) => ({
 				name,
-				alias,
+				alias
 			}));
 
 			create_module(
@@ -305,7 +305,7 @@ export default class Component {
 					.filter(variable => variable.module && variable.export_name)
 					.map(variable => ({
 						name: variable.name,
-						as: variable.export_name,
+						as: variable.export_name
 					}))
 			);
 
@@ -342,9 +342,9 @@ export default class Component {
 					reassigned: v.reassigned || false,
 					referenced: v.referenced || false,
 					writable: v.writable || false,
-					referenced_from_script: v.referenced_from_script || false,
+					referenced_from_script: v.referenced_from_script || false
 				})),
-			stats: this.stats.render(),
+			stats: this.stats.render()
 		};
 	}
 
@@ -409,7 +409,7 @@ export default class Component {
 			source: this.source,
 			start: pos.start,
 			end: pos.end,
-			filename: this.compile_options.filename,
+			filename: this.compile_options.filename
 		});
 	}
 
@@ -441,7 +441,7 @@ export default class Component {
 			pos: pos.start,
 			filename: this.compile_options.filename,
 			toString: () =>
-				`${warning.message} (${start.line}:${start.column})\n${frame}`,
+				`${warning.message} (${start.line}:${start.column})\n${frame}`
 		});
 	}
 
@@ -453,7 +453,7 @@ export default class Component {
 		if (node.type === 'ExportDefaultDeclaration') {
 			this.error(node, {
 				code: `default-export`,
-				message: `A component cannot have a default export`,
+				message: `A component cannot have a default export`
 			});
 		}
 
@@ -461,7 +461,7 @@ export default class Component {
 			if (node.source) {
 				this.error(node, {
 					code: `not-implemented`,
-					message: `A component currently cannot have an export ... from`,
+					message: `A component currently cannot have an export ... from`
 				});
 			}
 			if (node.declaration) {
@@ -531,10 +531,10 @@ export default class Component {
 				if (node.type === 'LabeledStatement' && node.label.name === '$') {
 					component.warn(node as any, {
 						code: 'module-script-reactive-declaration',
-						message: '$: has no effect in a module script',
+						message: '$: has no effect in a module script'
 					});
 				}
-			},
+			}
 		});
 
 		const { scope, globals } = create_scopes(script.content);
@@ -544,7 +544,7 @@ export default class Component {
 			if (name[0] === '$') {
 				this.error(node as any, {
 					code: 'illegal-declaration',
-					message: `The $ prefix is reserved, and cannot be used for variable and import names`,
+					message: `The $ prefix is reserved, and cannot be used for variable and import names`
 				});
 			}
 
@@ -562,7 +562,7 @@ export default class Component {
 			if (name[0] === '$') {
 				this.error(node as any, {
 					code: 'illegal-subscription',
-					message: `Cannot reference store value inside <script context="module">`,
+					message: `Cannot reference store value inside <script context="module">`
 				});
 			} else {
 				this.add_var({
@@ -623,7 +623,7 @@ export default class Component {
 			if (name[0] === '$') {
 				this.error(node as any, {
 					code: 'illegal-declaration',
-					message: `The $ prefix is reserved, and cannot be used for variable and import names`,
+					message: `The $ prefix is reserved, and cannot be used for variable and import names`
 				});
 			}
 
@@ -647,12 +647,12 @@ export default class Component {
 					injected: true,
 					writable: true,
 					reassigned: true,
-					initialised: true,
+					initialised: true
 				});
 			} else if (is_reserved_keyword(name)) {
 				this.add_var({
 					name,
-					injected: true,
+					injected: true
 				});
 			} else if (name[0] === '$') {
 				if (name === '$' || name[1] === '$') {
@@ -666,7 +666,7 @@ export default class Component {
 					name,
 					injected: true,
 					mutated: true,
-					writable: true,
+					writable: true
 				});
 
 				this.add_reference(name.slice(1));
@@ -764,7 +764,7 @@ export default class Component {
 				if (map.has(node)) {
 					scope = scope.parent;
 				}
-			},
+			}
 		});
 
 		for (const [parent, prop, index] of to_remove) {
@@ -832,7 +832,7 @@ export default class Component {
 				if (map.has(node)) {
 					scope = scope.parent;
 				}
-			},
+			}
 		});
 	}
 
@@ -844,7 +844,7 @@ export default class Component {
 		) {
 			this.warn(node as any, {
 				code: 'non-top-level-reactive-declaration',
-				message: '$: has no effect outside of the top-level',
+				message: '$: has no effect outside of the top-level'
 			});
 		}
 
@@ -872,7 +872,7 @@ export default class Component {
 			if (node.body.type !== 'BlockStatement') {
 				node.body = {
 					type: 'BlockStatement',
-					body: [node.body],
+					body: [node.body]
 				};
 			}
 			node.body.body.push(inside[0]);
@@ -881,8 +881,8 @@ export default class Component {
 				type: 'BlockStatement',
 				body: [
 					before[0],
-					node,
-				],
+					node
+				]
 			};
 		}
 		return null;
@@ -918,7 +918,7 @@ export default class Component {
 										// TODO is this still true post-#3539?
 										component.error(declarator as any, {
 											code: 'destructured-prop',
-											message: `Cannot declare props in destructured declaration`,
+											message: `Cannot declare props in destructured declaration`
 										});
 									}
 
@@ -981,7 +981,7 @@ export default class Component {
 				if (node.type === 'ExportNamedDeclaration' && node.declaration) {
 					(parent as Program).body[index] = node.declaration;
 				}
-			},
+			}
 		});
 	}
 
@@ -995,7 +995,7 @@ export default class Component {
 			hoistable_nodes,
 			var_lookup,
 			injected_reactive_declaration_vars,
-			imports,
+			imports
 		} = this;
 
 		const top_level_function_declarations = new Map();
@@ -1127,7 +1127,7 @@ export default class Component {
 					if (map.has(node)) {
 						scope = scope.parent;
 					}
-				},
+				}
 			});
 
 			checked.add(fn_declaration);
@@ -1218,7 +1218,7 @@ export default class Component {
 						if (map.has(node)) {
 							scope = scope.parent;
 						}
-					},
+					}
 				});
 
 				const { expression } = node.body as ExpressionStatement;
@@ -1228,7 +1228,7 @@ export default class Component {
 					assignees,
 					dependencies,
 					node,
-					declaration,
+					declaration
 				});
 			}
 		});
@@ -1309,7 +1309,7 @@ export default class Component {
 
 		this.warn(node, {
 			code: 'missing-declaration',
-			message,
+			message
 		});
 	}
 
@@ -1332,7 +1332,7 @@ function process_component_options(component: Component, nodes) {
 			'accessors' in component.compile_options
 				? component.compile_options.accessors
 				: !!component.compile_options.customElement,
-		preserveWhitespace: !!component.compile_options.preserveWhitespace,
+		preserveWhitespace: !!component.compile_options.preserveWhitespace
 	};
 
 	const node = nodes.find(node => node.name === 'svelte:options');
@@ -1373,7 +1373,7 @@ function process_component_options(component: Component, nodes) {
 						if (tag && !/^[a-zA-Z][a-zA-Z0-9]*-[a-zA-Z0-9-]+$/.test(tag)) {
 							component.error(attribute, {
 								code: `invalid-tag-property`,
-								message: `tag name must be two or more words joined by the '-' character`,
+								message: `tag name must be two or more words joined by the '-' character`
 							});
 						}
 
@@ -1401,12 +1401,12 @@ function process_component_options(component: Component, nodes) {
 							if (match) {
 								component.error(attribute, {
 									code: `invalid-namespace-property`,
-									message: `Invalid namespace '${ns}' (did you mean '${match}'?)`,
+									message: `Invalid namespace '${ns}' (did you mean '${match}'?)`
 								});
 							} else {
 								component.error(attribute, {
 									code: `invalid-namespace-property`,
-									message: `Invalid namespace '${ns}'`,
+									message: `Invalid namespace '${ns}'`
 								});
 							}
 						}
@@ -1432,13 +1432,13 @@ function process_component_options(component: Component, nodes) {
 					default:
 						component.error(attribute, {
 							code: `invalid-options-attribute`,
-							message: `<svelte:options> unknown attribute`,
+							message: `<svelte:options> unknown attribute`
 						});
 				}
 			} else {
 				component.error(attribute, {
 					code: `invalid-options-attribute`,
-					message: `<svelte:options> can only have static 'tag', 'namespace', 'accessors', 'immutable' and 'preserveWhitespace' attributes`,
+					message: `<svelte:options> can only have static 'tag', 'namespace', 'accessors', 'immutable' and 'preserveWhitespace' attributes`
 				});
 			}
 		});
diff --git a/src/compiler/compile/index.ts b/src/compiler/compile/index.ts
index 12b161aeeb..9d56dfae02 100644
--- a/src/compiler/compile/index.ts
+++ b/src/compiler/compile/index.ts
@@ -52,7 +52,7 @@ function validate_options(options: CompileOptions, warnings: Warning[]) {
 			code: `options-lowercase-name`,
 			message,
 			filename,
-			toString: () => message,
+			toString: () => message
 		});
 	}
 
@@ -62,7 +62,7 @@ function validate_options(options: CompileOptions, warnings: Warning[]) {
 			code: `options-loop-guard-timeout`,
 			message,
 			filename,
-			toString: () => message,
+			toString: () => message
 		});
 	}
 }
diff --git a/src/compiler/compile/nodes/Binding.ts b/src/compiler/compile/nodes/Binding.ts
index bcb07280b0..f742d0c272 100644
--- a/src/compiler/compile/nodes/Binding.ts
+++ b/src/compiler/compile/nodes/Binding.ts
@@ -75,7 +75,7 @@ export default class Binding extends Node {
 
 			if (info.expression.type === 'Identifier' && !variable.writable) component.error(this.expression.node, {
 				code: 'invalid-binding',
-				message: 'Cannot bind to a variable which is not writable',
+				message: 'Cannot bind to a variable which is not writable'
 			});
 		}
 
diff --git a/src/compiler/compile/nodes/Element.ts b/src/compiler/compile/nodes/Element.ts
index 517ed3ceb6..4d4c892ae4 100644
--- a/src/compiler/compile/nodes/Element.ts
+++ b/src/compiler/compile/nodes/Element.ts
@@ -388,7 +388,7 @@ export default class Element extends Node {
 			if (/(^[0-9-.])|[\^$@%&#?!|()[\]{}^*+~;]/.test(name)) {
 				component.error(attribute, {
 					code: `illegal-attribute`,
-					message: `'${name}' is not a valid attribute name`,
+					message: `'${name}' is not a valid attribute name`
 				});
 			}
 
@@ -412,7 +412,7 @@ export default class Element extends Node {
 				if (!(parent.type === 'InlineComponent' || within_custom_element(parent))) {
 					component.error(attribute, {
 						code: `invalid-slotted-content`,
-						message: `Element with a slot='...' attribute must be a child of a component or a descendant of a custom element`,
+						message: `Element with a slot='...' attribute must be a child of a component or a descendant of a custom element`
 					});
 				}
 			}
diff --git a/src/compiler/compile/nodes/Text.ts b/src/compiler/compile/nodes/Text.ts
index 6b7432c22f..142487e1c3 100644
--- a/src/compiler/compile/nodes/Text.ts
+++ b/src/compiler/compile/nodes/Text.ts
@@ -12,7 +12,7 @@ const elements_without_text = new Set([
 	'dl',
 	'optgroup',
 	'select',
-	'video',
+	'video'
 ]);
 
 export default class Text extends Node {
diff --git a/src/compiler/compile/render_dom/Block.ts b/src/compiler/compile/render_dom/Block.ts
index b77cf61112..3f10114f45 100644
--- a/src/compiler/compile/render_dom/Block.ts
+++ b/src/compiler/compile/render_dom/Block.ts
@@ -106,7 +106,7 @@ export default class Block {
 			intro: [],
 			update: [],
 			outro: [],
-			destroy: [],
+			destroy: []
 		};
 
 		this.has_animation = false;
diff --git a/src/compiler/compile/render_dom/Renderer.ts b/src/compiler/compile/render_dom/Renderer.ts
index ca93c51060..17a83b286a 100644
--- a/src/compiler/compile/render_dom/Renderer.ts
+++ b/src/compiler/compile/render_dom/Renderer.ts
@@ -75,7 +75,7 @@ export default class Renderer {
 
 			bindings: new Map(),
 
-			dependencies: new Set(),
+			dependencies: new Set()
 		});
 
 		this.block.has_update_method = true;
diff --git a/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts b/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts
index ca941b7be9..f07d06b690 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts
@@ -265,8 +265,8 @@ const attribute_lookup = {
 			'optgroup',
 			'option',
 			'select',
-			'textarea',
-		],
+			'textarea'
+		]
 	},
 	formnovalidate: { property_name: 'formNoValidate', applies_to: ['button', 'input'] },
 	hidden: {},
@@ -293,9 +293,9 @@ const attribute_lookup = {
 			'progress',
 			'param',
 			'select',
-			'textarea',
-		],
-	},
+			'textarea'
+		]
+	}
 };
 
 Object.keys(attribute_lookup).forEach(name => {
diff --git a/src/compiler/compile/render_dom/wrappers/Element/index.ts b/src/compiler/compile/render_dom/wrappers/Element/index.ts
index 83bc8be94e..792e4654bd 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/index.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/index.ts
@@ -125,7 +125,7 @@ const events = [
 		event_names: ['toggle'],
 		filter: (node: Element, _name: string) =>
 			node.name === 'details'
-	},
+	}
 ];
 
 export default class ElementWrapper extends Wrapper {
diff --git a/src/compiler/compile/render_dom/wrappers/IfBlock.ts b/src/compiler/compile/render_dom/wrappers/IfBlock.ts
index 220b529902..6eb7ec29c7 100644
--- a/src/compiler/compile/render_dom/wrappers/IfBlock.ts
+++ b/src/compiler/compile/render_dom/wrappers/IfBlock.ts
@@ -603,7 +603,7 @@ export default class IfBlockWrapper extends Wrapper {
 			// as -1
 			operator: val.operator,
 			prefix: val.prefix,
-			argument: val.argument,
+			argument: val.argument
 		};
 	}
 }
diff --git a/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts b/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
index 00f803bbbd..9af76e14c9 100644
--- a/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
+++ b/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
@@ -116,7 +116,7 @@ export default class InlineComponentWrapper extends Wrapper {
 		if (variable.reassigned || variable.export_name || variable.is_reactive_dependency) {
 			this.renderer.component.warn(this.node, {
 				code: 'reactive-component',
-				message: `<${name}/> will not be reactive if ${name} changes. Use <svelte:component this={${name}}/> if you want this reactivity.`,
+				message: `<${name}/> will not be reactive if ${name} changes. Use <svelte:component this={${name}}/> if you want this reactivity.`
 			});
 		}
 	}
diff --git a/src/compiler/compile/render_dom/wrappers/Window.ts b/src/compiler/compile/render_dom/wrappers/Window.ts
index 18691ae9a8..14c8778ccb 100644
--- a/src/compiler/compile/render_dom/wrappers/Window.ts
+++ b/src/compiler/compile/render_dom/wrappers/Window.ts
@@ -16,7 +16,7 @@ const associated_events = {
 	outerHeight: 'resize',
 
 	scrollX: 'scroll',
-	scrollY: 'scroll',
+	scrollY: 'scroll'
 };
 
 const properties = {
@@ -29,7 +29,7 @@ const readonly = new Set([
 	'innerHeight',
 	'outerWidth',
 	'outerHeight',
-	'online',
+	'online'
 ]);
 
 export default class WindowWrapper extends Wrapper {
diff --git a/src/compiler/compile/render_dom/wrappers/shared/get_slot_definition.ts b/src/compiler/compile/render_dom/wrappers/shared/get_slot_definition.ts
index 0f28689df3..2abea5a68e 100644
--- a/src/compiler/compile/render_dom/wrappers/shared/get_slot_definition.ts
+++ b/src/compiler/compile/render_dom/wrappers/shared/get_slot_definition.ts
@@ -34,13 +34,13 @@ export function get_slot_definition(block: Block, scope: TemplateScope, lets: Le
 			type: 'Property',
 			kind: 'init',
 			key: l.name,
-			value,
+			value
 		});
 	});
 
 	const changes_input = {
 		type: 'ObjectPattern',
-		properties,
+		properties
 	};
 
 	const names: Set<string> = new Set();
diff --git a/src/compiler/compile/utils/stringify.ts b/src/compiler/compile/utils/stringify.ts
index 19f6d99673..11649158b3 100644
--- a/src/compiler/compile/utils/stringify.ts
+++ b/src/compiler/compile/utils/stringify.ts
@@ -16,7 +16,7 @@ const escaped = {
   "'": '&#39;',
 	'&': '&amp;',
 	'<': '&lt;',
-	'>': '&gt;',
+	'>': '&gt;'
 };
 
 export function escape_html(html) {
diff --git a/src/compiler/parse/index.ts b/src/compiler/parse/index.ts
index a809eeebeb..33f9d3089e 100644
--- a/src/compiler/parse/index.ts
+++ b/src/compiler/parse/index.ts
@@ -34,7 +34,7 @@ export class Parser {
 			start: null,
 			end: null,
 			type: 'Fragment',
-			children: [],
+			children: []
 		};
 
 		this.stack.push(this.html);
diff --git a/src/compiler/parse/read/script.ts b/src/compiler/parse/read/script.ts
index 8260894215..cb59dc6d76 100644
--- a/src/compiler/parse/read/script.ts
+++ b/src/compiler/parse/read/script.ts
@@ -57,6 +57,6 @@ export default function read_script(parser: Parser, start: number, attributes: N
 		start,
 		end: parser.index,
 		context: get_context(parser, attributes, start),
-		content: ast,
+		content: ast
 	};
 }
diff --git a/src/compiler/parse/read/style.ts b/src/compiler/parse/read/style.ts
index dd9d1286f2..0cbe0943b2 100644
--- a/src/compiler/parse/read/style.ts
+++ b/src/compiler/parse/read/style.ts
@@ -14,7 +14,7 @@ export default function read_style(parser: Parser, start: number, attributes: No
 	try {
 		ast = parse(styles, {
 			positions: true,
-			offset: content_start,
+			offset: content_start
 		});
 	} catch (err) {
 		if (err.name === 'CssSyntaxError') {
diff --git a/src/compiler/parse/state/mustache.ts b/src/compiler/parse/state/mustache.ts
index 4e1d5c5fd4..dc26d994df 100644
--- a/src/compiler/parse/state/mustache.ts
+++ b/src/compiler/parse/state/mustache.ts
@@ -134,9 +134,9 @@ export default function mustache(parser: Parser) {
 						type: 'IfBlock',
 						elseif: true,
 						expression,
-						children: [],
-					},
-				],
+						children: []
+					}
+				]
 			};
 
 			parser.stack.push(block.else.children[0]);
@@ -161,7 +161,7 @@ export default function mustache(parser: Parser) {
 				start: parser.index,
 				end: null,
 				type: 'ElseBlock',
-				children: [],
+				children: []
 			};
 
 			parser.stack.push(block.else);
@@ -260,14 +260,14 @@ export default function mustache(parser: Parser) {
 					type: 'CatchBlock',
 					children: [],
 					skip: true
-				},
+				}
 			} :
 			{
 				start,
 				end: null,
 				type,
 				expression,
-				children: [],
+				children: []
 			};
 
 		parser.allow_whitespace();
@@ -350,7 +350,7 @@ export default function mustache(parser: Parser) {
 			start,
 			end: parser.index,
 			type: 'RawMustacheTag',
-			expression,
+			expression
 		});
 	} else if (parser.eat('@debug')) {
 		let identifiers;
@@ -394,7 +394,7 @@ export default function mustache(parser: Parser) {
 			start,
 			end: parser.index,
 			type: 'MustacheTag',
-			expression,
+			expression
 		});
 	}
 }
diff --git a/src/compiler/parse/state/tag.ts b/src/compiler/parse/state/tag.ts
index ce8a0a9aa7..6d844f8f39 100644
--- a/src/compiler/parse/state/tag.ts
+++ b/src/compiler/parse/state/tag.ts
@@ -25,16 +25,16 @@ const specials = new Map([
 		'script',
 		{
 			read: read_script,
-			property: 'js',
-		},
+			property: 'js'
+		}
 	],
 	[
 		'style',
 		{
 			read: read_style,
-			property: 'css',
-		},
-	],
+			property: 'css'
+		}
+	]
 ]);
 
 const SELF = /^svelte:self(?=[\s/>])/;
@@ -63,7 +63,7 @@ export default function tag(parser: Parser) {
 			start,
 			end: parser.index,
 			type: 'Comment',
-			data,
+			data
 		});
 
 		return;
@@ -116,7 +116,7 @@ export default function tag(parser: Parser) {
 		type,
 		name,
 		attributes: [],
-		children: [],
+		children: []
 	};
 
 	parser.allow_whitespace();
@@ -424,7 +424,7 @@ function read_attribute(parser: Parser, unique_names: Set<string>) {
 		end,
 		type: 'Attribute',
 		name,
-		value,
+		value
 	};
 }
 
@@ -491,7 +491,7 @@ function read_sequence(parser: Parser, done: () => boolean): TemplateNode[] {
 				start: index,
 				end: parser.index,
 				type: 'MustacheTag',
-				expression,
+				expression
 			});
 
 			current_chunk = {
diff --git a/src/compiler/parse/state/text.ts b/src/compiler/parse/state/text.ts
index 56be592ca9..a2275c9653 100644
--- a/src/compiler/parse/state/text.ts
+++ b/src/compiler/parse/state/text.ts
@@ -19,7 +19,7 @@ export default function text(parser: Parser) {
 		end: parser.index,
 		type: 'Text',
 		raw: data,
-		data: decode_character_references(data),
+		data: decode_character_references(data)
 	};
 
 	parser.current().children.push(node);
diff --git a/src/compiler/parse/utils/entities.ts b/src/compiler/parse/utils/entities.ts
index 91689c5f30..7b43ced2c1 100644
--- a/src/compiler/parse/utils/entities.ts
+++ b/src/compiler/parse/utils/entities.ts
@@ -2030,5 +2030,5 @@ export default {
 	sc: 8827,
 	wp: 8472,
 	wr: 8768,
-	xi: 958,
+	xi: 958
 };
diff --git a/src/compiler/parse/utils/html.ts b/src/compiler/parse/utils/html.ts
index 2b8c4213b7..0148361929 100644
--- a/src/compiler/parse/utils/html.ts
+++ b/src/compiler/parse/utils/html.ts
@@ -32,7 +32,7 @@ const windows_1252 = [
 	339,
 	157,
 	382,
-	376,
+	376
 ];
 
 const entity_pattern = new RegExp(
@@ -124,7 +124,7 @@ const disallowed_contents = new Map([
 			'address article aside blockquote div dl fieldset footer form h1 h2 h3 h4 h5 h6 header hgroup hr main menu nav ol p pre section table ul'.split(
 				' '
 			)
-		),
+		)
 	],
 	['rt', new Set(['rt', 'rp'])],
 	['rp', new Set(['rt', 'rp'])],
@@ -135,7 +135,7 @@ const disallowed_contents = new Map([
 	['tfoot', new Set(['tbody'])],
 	['tr', new Set(['tr', 'tbody'])],
 	['td', new Set(['td', 'th', 'tr'])],
-	['th', new Set(['td', 'th', 'tr'])],
+	['th', new Set(['td', 'th', 'tr'])]
 ]);
 
 // can this be a child of the parent element, or does it implicitly
diff --git a/src/compiler/preprocess/index.ts b/src/compiler/preprocess/index.ts
index 1a13b869e7..c25f6be5d9 100644
--- a/src/compiler/preprocess/index.ts
+++ b/src/compiler/preprocess/index.ts
@@ -49,7 +49,7 @@ async function replace_async(str: string, re: RegExp, func: (...any) => Promise<
 					({
 						offset: args[args.length - 2],
 						length: args[0].length,
-						replacement: res,
+						replacement: res
 					}) as Replacement
 			)
 		);
diff --git a/src/compiler/utils/fuzzymatch.ts b/src/compiler/utils/fuzzymatch.ts
index 2efadc3847..0891b7209b 100644
--- a/src/compiler/utils/fuzzymatch.ts
+++ b/src/compiler/utils/fuzzymatch.ts
@@ -206,7 +206,7 @@ class FuzzySet {
 			match_score = matches[match_index];
 			results.push([
 				match_score / (vector_normal * items[match_index][0]),
-				items[match_index][1],
+				items[match_index][1]
 			]);
 		}
 
@@ -218,7 +218,7 @@ class FuzzySet {
 		for (let i = 0; i < end_index; ++i) {
 			new_results.push([
 				_distance(results[i][1], normalized_value),
-				results[i][1],
+				results[i][1]
 			]);
 		}
 		results = new_results;
diff --git a/src/compiler/utils/names.ts b/src/compiler/utils/names.ts
index 02cc12e087..1fa37660f4 100644
--- a/src/compiler/utils/names.ts
+++ b/src/compiler/utils/names.ts
@@ -105,7 +105,7 @@ export const reserved = new Set([
 	'void',
 	'while',
 	'with',
-	'yield',
+	'yield'
 ]);
 
 const void_element_names = /^(?:area|base|br|col|command|embed|hr|img|input|keygen|link|meta|param|source|track|wbr)$/;
diff --git a/src/compiler/utils/namespaces.ts b/src/compiler/utils/namespaces.ts
index 3bde3ee308..3db7bc3fae 100644
--- a/src/compiler/utils/namespaces.ts
+++ b/src/compiler/utils/namespaces.ts
@@ -17,7 +17,7 @@ export const valid_namespaces = [
 	svg,
 	xlink,
 	xml,
-	xmlns,
+	xmlns
 ];
 
 export const namespaces: Record<string, string> = { html, mathml, svg, xlink, xml, xmlns };
diff --git a/src/runtime/store/index.ts b/src/runtime/store/index.ts
index 2bbfdfcd60..2cf31a384c 100644
--- a/src/runtime/store/index.ts
+++ b/src/runtime/store/index.ts
@@ -52,7 +52,7 @@ const subscriber_queue = [];
  */
 export function readable<T>(value: T, start: StartStopNotifier<T>): Readable<T> {
 	return {
-		subscribe: writable(value, start).subscribe,
+		subscribe: writable(value, start).subscribe
 	};
 }
 
diff --git a/test/css/samples/unused-selector-string-concat/_config.js b/test/css/samples/unused-selector-string-concat/_config.js
index 81318fd3ac..9c2af5a89a 100644
--- a/test/css/samples/unused-selector-string-concat/_config.js
+++ b/test/css/samples/unused-selector-string-concat/_config.js
@@ -12,7 +12,7 @@ export default {
 				13:   .foocc {color: red;}`,
 			start: { line: 11, column: 2, character: 206 },
 			end: { line: 11, column: 8, character: 212 },
-			pos: 206,
+			pos: 206
 		},
 		{
 			code: 'css-unused-selector',
@@ -26,7 +26,7 @@ export default {
 				14:   .foodd {color: red;}`,
 			start: { line: 12, column: 2, character: 229 },
 			end: { line: 12, column: 8, character: 235 },
-			pos: 229,
+			pos: 229
 		},
 		{
 			code: 'css-unused-selector',
@@ -40,7 +40,7 @@ export default {
 				16:   .bb {color: red;}`,
 			start: { line: 14, column: 2, character: 275 },
 			end: { line: 14, column: 8, character: 281 },
-			pos: 275,
+			pos: 275
 		},
 		{
 			code: 'css-unused-selector',
@@ -54,7 +54,7 @@ export default {
 				22:   .ddbar {color: red;}`,
 			start: { line: 20, column: 2, character: 401 },
 			end: { line: 20, column: 8, character: 407 },
-			pos: 401,
+			pos: 401
 		},
 		{
 			code: 'css-unused-selector',
@@ -68,7 +68,7 @@ export default {
 				23:   .fooaabar {color: red;}`,
 			start: { line: 21, column: 2, character: 424 },
 			end: { line: 21, column: 8, character: 430 },
-			pos: 424,
+			pos: 424
 		},
 		{
 			code: 'css-unused-selector',
@@ -82,7 +82,7 @@ export default {
 				24:   .foobbbar {color: red;}`,
 			start: { line: 22, column: 2, character: 447 },
 			end: { line: 22, column: 8, character: 453 },
-			pos: 447,
+			pos: 447
 		},
 		{
 			code: 'css-unused-selector',
@@ -96,7 +96,7 @@ export default {
 				25:   .fooccbar {color: red;}`,
 			start: { line: 23, column: 2, character: 470 },
 			end: { line: 23, column: 11, character: 479 },
-			pos: 470,
+			pos: 470
 		},
 		{
 			code: 'css-unused-selector',
@@ -110,7 +110,7 @@ export default {
 				26:   .fooddbar {color: red;}`,
 			start: { line: 24, column: 2, character: 496 },
 			end: { line: 24, column: 11, character: 505 },
-			pos: 496,
+			pos: 496
 		},
 		{
 			code: 'css-unused-selector',
@@ -124,7 +124,7 @@ export default {
 				27:   .baz {color: red;}`,
 			start: { line: 25, column: 2, character: 522 },
 			end: { line: 25, column: 11, character: 531 },
-			pos: 522,
+			pos: 522
 		},
 		{
 			code: 'css-unused-selector',
@@ -137,7 +137,7 @@ export default {
 				29: </style>`,
 			start: { line: 28, column: 2, character: 595 },
 			end: { line: 28, column: 9, character: 602 },
-			pos: 595,
-		},
-	],
+			pos: 595
+		}
+	]
 };
diff --git a/test/css/samples/unused-selector-ternary-bailed/_config.js b/test/css/samples/unused-selector-ternary-bailed/_config.js
index e5f82e4a85..c81f1a9f82 100644
--- a/test/css/samples/unused-selector-ternary-bailed/_config.js
+++ b/test/css/samples/unused-selector-ternary-bailed/_config.js
@@ -1,3 +1,3 @@
 export default {
-	warnings: [],
+	warnings: []
 };
diff --git a/test/css/samples/unused-selector-ternary-concat/_config.js b/test/css/samples/unused-selector-ternary-concat/_config.js
index 5015fccb25..7ae6d4efc4 100644
--- a/test/css/samples/unused-selector-ternary-concat/_config.js
+++ b/test/css/samples/unused-selector-ternary-concat/_config.js
@@ -5,7 +5,7 @@ export default {
 			end: {
 				character: 205,
 				column: 9,
-				line: 14,
+				line: 14
 			},
 			frame: `
 				12:   .thing.active {color: blue;}
@@ -18,8 +18,8 @@ export default {
 			start: {
 				character: 198,
 				column: 2,
-				line: 14,
-			},
-		},
-	],
+				line: 14
+			}
+		}
+	]
 };
diff --git a/test/css/samples/unused-selector-ternary-nested/_config.js b/test/css/samples/unused-selector-ternary-nested/_config.js
index afee5ac822..a148e64414 100644
--- a/test/css/samples/unused-selector-ternary-nested/_config.js
+++ b/test/css/samples/unused-selector-ternary-nested/_config.js
@@ -12,7 +12,7 @@ export default {
 				17:   .unused {color: blue;}`,
 			start: { line: 15, column: 2, character: 261 },
 			end: { line: 15, column: 15, character: 274 },
-			pos: 261,
+			pos: 261
 		},
 		{
 			code: 'css-unused-selector',
@@ -25,7 +25,7 @@ export default {
 				18: </style>`,
 			start: { line: 17, column: 2, character: 295 },
 			end: { line: 17, column: 9, character: 302 },
-			pos: 295,
-		},
-	],
+			pos: 295
+		}
+	]
 };
diff --git a/test/hydration/samples/dynamic-text-nil/_config.js b/test/hydration/samples/dynamic-text-nil/_config.js
index 0f98a704b0..b4d013b777 100644
--- a/test/hydration/samples/dynamic-text-nil/_config.js
+++ b/test/hydration/samples/dynamic-text-nil/_config.js
@@ -7,7 +7,7 @@ export default {
 
 		return {
 			nullText,
-			undefinedText,
+			undefinedText
 		};
 	},
 
@@ -17,5 +17,5 @@ export default {
 
 		assert.equal(nullText, snapshot.nullText);
 		assert.equal(undefinedText, snapshot.undefinedText);
-	},
+	}
 };
diff --git a/test/hydration/samples/element-ref/_config.js b/test/hydration/samples/element-ref/_config.js
index 772fad9827..3182207293 100644
--- a/test/hydration/samples/element-ref/_config.js
+++ b/test/hydration/samples/element-ref/_config.js
@@ -3,7 +3,7 @@ export default {
 		const h1 = target.querySelector('h1');
 
 		return {
-			h1,
+			h1
 		};
 	},
 
diff --git a/test/js/samples/loop-protect/_config.js b/test/js/samples/loop-protect/_config.js
index fcbf8be09b..1dc927b4da 100644
--- a/test/js/samples/loop-protect/_config.js
+++ b/test/js/samples/loop-protect/_config.js
@@ -1,6 +1,6 @@
 export default {
 	options: {
 		dev: true,
-		loopGuardTimeout: 100,
-	},
+		loopGuardTimeout: 100
+	}
 };
diff --git a/test/preprocess/samples/comments/_config.js b/test/preprocess/samples/comments/_config.js
index 4416d121d0..fdec377567 100644
--- a/test/preprocess/samples/comments/_config.js
+++ b/test/preprocess/samples/comments/_config.js
@@ -2,7 +2,7 @@ export default {
 	preprocess: [
 		{
 			script: ({ content }) => ({ code: content.replace(/one/g, 'two') }),
-			style: ({ content }) => ({ code: content.replace(/one/g, 'three') }),
-		},
-	],
+			style: ({ content }) => ({ code: content.replace(/one/g, 'three') })
+		}
+	]
 };
diff --git a/test/runtime/samples/$$rest-without-props/_config.js b/test/runtime/samples/$$rest-without-props/_config.js
index 017f9df561..1fb8e85a6a 100644
--- a/test/runtime/samples/$$rest-without-props/_config.js
+++ b/test/runtime/samples/$$rest-without-props/_config.js
@@ -11,7 +11,7 @@ export default {
 		<div d="4" e="5" foo="1"></div>
 		<button></button><button></button><button></button><button></button>
 	`,
-	async test({ assert, target, window, }) {
+	async test({ assert, target, window }) {
 		const [btn1, btn2, btn3, btn4] = target.querySelectorAll('button');
 		const clickEvent = new window.MouseEvent('click');
 
diff --git a/test/runtime/samples/$$rest/_config.js b/test/runtime/samples/$$rest/_config.js
index 255927f354..f00c26d712 100644
--- a/test/runtime/samples/$$rest/_config.js
+++ b/test/runtime/samples/$$rest/_config.js
@@ -13,7 +13,7 @@ export default {
 		<button></button><button></button><button></button><button></button>
 	`,
 
-	async test({ assert, target, window, }) {
+	async test({ assert, target, window }) {
 		const [btn1, btn2, btn3, btn4] = target.querySelectorAll('button');
 		const clickEvent = new window.MouseEvent('click');
 
diff --git a/test/runtime/samples/action-custom-event-handler-this/_config.js b/test/runtime/samples/action-custom-event-handler-this/_config.js
index 88a30232ab..754f813c7f 100644
--- a/test/runtime/samples/action-custom-event-handler-this/_config.js
+++ b/test/runtime/samples/action-custom-event-handler-this/_config.js
@@ -18,5 +18,5 @@ export default {
 		input.dispatchEvent(event);
 
 		assert.ok(blurred);
-	},
+	}
 };
diff --git a/test/runtime/samples/action-ternary-template/_config.js b/test/runtime/samples/action-ternary-template/_config.js
index adf23a9f68..ecb18dceec 100644
--- a/test/runtime/samples/action-ternary-template/_config.js
+++ b/test/runtime/samples/action-ternary-template/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		target: 'World!',
-		display: true,
+		display: true
 	},
 
 	html: `
@@ -16,5 +16,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `
 			<h1>Hello World!</h1>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/action-this/_config.js b/test/runtime/samples/action-this/_config.js
index de7f834cdc..c59ff3b634 100644
--- a/test/runtime/samples/action-this/_config.js
+++ b/test/runtime/samples/action-this/_config.js
@@ -7,5 +7,5 @@ export default {
 		await button.dispatchEvent(click);
 		await Promise.resolve();
 		assert.htmlEqual(target.innerHTML, `<button>2</button>`);
-	},
+	}
 };
diff --git a/test/runtime/samples/apply-directives-in-order-2/_config.js b/test/runtime/samples/apply-directives-in-order-2/_config.js
index a74ce41cb6..caff97a5b9 100644
--- a/test/runtime/samples/apply-directives-in-order-2/_config.js
+++ b/test/runtime/samples/apply-directives-in-order-2/_config.js
@@ -1,7 +1,7 @@
 const value = [];
 export default {
 	props: {
-		value,
+		value
 	},
 
 	async test({ assert, component, target, window }) {
@@ -32,7 +32,7 @@ export default {
 			'15',
 			'16',
 			'17',
-			'18',
+			'18'
 		]);
-	},
+	}
 };
diff --git a/test/runtime/samples/apply-directives-in-order/_config.js b/test/runtime/samples/apply-directives-in-order/_config.js
index e5e8980ed1..7c8f87ef85 100644
--- a/test/runtime/samples/apply-directives-in-order/_config.js
+++ b/test/runtime/samples/apply-directives-in-order/_config.js
@@ -33,5 +33,5 @@ export default {
 			<input>
 			<p>HE</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/attribute-boolean-false/_config.js b/test/runtime/samples/attribute-boolean-false/_config.js
index 14fdeb9fdc..e47c5e7df1 100644
--- a/test/runtime/samples/attribute-boolean-false/_config.js
+++ b/test/runtime/samples/attribute-boolean-false/_config.js
@@ -3,5 +3,5 @@ export default {
 	test({ assert, component, target }) {
 		const textarea = target.querySelector('textarea');
 		assert.ok(textarea.readOnly === false);
-	},
+	}
 };
diff --git a/test/runtime/samples/attribute-boolean-true/_config.js b/test/runtime/samples/attribute-boolean-true/_config.js
index 0e402ed1e3..1f77e33027 100644
--- a/test/runtime/samples/attribute-boolean-true/_config.js
+++ b/test/runtime/samples/attribute-boolean-true/_config.js
@@ -3,5 +3,5 @@ export default {
 	test({ assert, component, target }) {
 		const textarea = target.querySelector('textarea');
 		assert.ok(textarea.readOnly);
-	},
+	}
 };
diff --git a/test/runtime/samples/attribute-dataset-without-value/_config.js b/test/runtime/samples/attribute-dataset-without-value/_config.js
index 934f44eb06..21e60b92aa 100644
--- a/test/runtime/samples/attribute-dataset-without-value/_config.js
+++ b/test/runtime/samples/attribute-dataset-without-value/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '<div data-potato=""></div>',
+	html: '<div data-potato=""></div>'
 };
diff --git a/test/runtime/samples/attribute-dynamic-no-dependencies/_config.js b/test/runtime/samples/attribute-dynamic-no-dependencies/_config.js
index acf3c64bdd..f1088830af 100644
--- a/test/runtime/samples/attribute-dynamic-no-dependencies/_config.js
+++ b/test/runtime/samples/attribute-dynamic-no-dependencies/_config.js
@@ -1,5 +1,5 @@
 export default {
 	html: `
 		<div><div title='foo'>bar</div></div>
-	`,
+	`
 };
diff --git a/test/runtime/samples/attribute-false/_config.js b/test/runtime/samples/attribute-false/_config.js
index 9fd08a2a48..632d4ac1c2 100644
--- a/test/runtime/samples/attribute-false/_config.js
+++ b/test/runtime/samples/attribute-false/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<div class="false"></div>`,
+	html: `<div class="false"></div>`
 };
diff --git a/test/runtime/samples/attribute-null-classnames-no-style/_config.js b/test/runtime/samples/attribute-null-classnames-no-style/_config.js
index 917cf565c0..e90d81a60f 100644
--- a/test/runtime/samples/attribute-null-classnames-no-style/_config.js
+++ b/test/runtime/samples/attribute-null-classnames-no-style/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		testName1: "test1",
-		testName2: "test2",
+		testName2: "test2"
 	},
 
 	html: `<div class="test1test2"></div>`,
diff --git a/test/runtime/samples/attribute-null-classnames-with-style/_config.js b/test/runtime/samples/attribute-null-classnames-with-style/_config.js
index 5762f628fb..20e6d4c7be 100644
--- a/test/runtime/samples/attribute-null-classnames-with-style/_config.js
+++ b/test/runtime/samples/attribute-null-classnames-with-style/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		testName1: "test1",
-		testName2: "test2",
+		testName2: "test2"
 	},
 
 	html: `<div class="test1test2 svelte-x1o6ra"></div>`,
diff --git a/test/runtime/samples/attribute-null-func-classnames-no-style/_config.js b/test/runtime/samples/attribute-null-func-classnames-no-style/_config.js
index 917cf565c0..e90d81a60f 100644
--- a/test/runtime/samples/attribute-null-func-classnames-no-style/_config.js
+++ b/test/runtime/samples/attribute-null-func-classnames-no-style/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		testName1: "test1",
-		testName2: "test2",
+		testName2: "test2"
 	},
 
 	html: `<div class="test1test2"></div>`,
diff --git a/test/runtime/samples/attribute-null-func-classnames-with-style/_config.js b/test/runtime/samples/attribute-null-func-classnames-with-style/_config.js
index 5762f628fb..20e6d4c7be 100644
--- a/test/runtime/samples/attribute-null-func-classnames-with-style/_config.js
+++ b/test/runtime/samples/attribute-null-func-classnames-with-style/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		testName1: "test1",
-		testName2: "test2",
+		testName2: "test2"
 	},
 
 	html: `<div class="test1test2 svelte-x1o6ra"></div>`,
diff --git a/test/runtime/samples/attribute-null/_config.js b/test/runtime/samples/attribute-null/_config.js
index ae2f0a8af6..36955050a0 100644
--- a/test/runtime/samples/attribute-null/_config.js
+++ b/test/runtime/samples/attribute-null/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<div></div>`,
+	html: `<div></div>`
 };
diff --git a/test/runtime/samples/attribute-prefer-expression/_config.js b/test/runtime/samples/attribute-prefer-expression/_config.js
index 29fcbc7f13..2388ff35df 100644
--- a/test/runtime/samples/attribute-prefer-expression/_config.js
+++ b/test/runtime/samples/attribute-prefer-expression/_config.js
@@ -2,7 +2,7 @@ export default {
 	skip_if_ssr: true,
 
 	props: {
-		foo: false,
+		foo: false
 	},
 
 	test({ assert, component, target }) {
@@ -15,5 +15,5 @@ export default {
 
 		assert.ok(!inputs[0].checked);
 		assert.ok(inputs[1].checked);
-	},
+	}
 };
diff --git a/test/runtime/samples/attribute-undefined/_config.js b/test/runtime/samples/attribute-undefined/_config.js
index ae2f0a8af6..36955050a0 100644
--- a/test/runtime/samples/attribute-undefined/_config.js
+++ b/test/runtime/samples/attribute-undefined/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<div></div>`,
+	html: `<div></div>`
 };
diff --git a/test/runtime/samples/binding-contenteditable-html-initial/_config.js b/test/runtime/samples/binding-contenteditable-html-initial/_config.js
index 9eac2c9b17..4c30a3231a 100644
--- a/test/runtime/samples/binding-contenteditable-html-initial/_config.js
+++ b/test/runtime/samples/binding-contenteditable-html-initial/_config.js
@@ -36,5 +36,5 @@ export default {
 			<editor contenteditable="true">good<span>bye</span></editor>
 			<p>hello good<span>bye</span></p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-contenteditable-html/_config.js b/test/runtime/samples/binding-contenteditable-html/_config.js
index ceb6a75c70..639572faea 100644
--- a/test/runtime/samples/binding-contenteditable-html/_config.js
+++ b/test/runtime/samples/binding-contenteditable-html/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		name: '<b>world</b>',
+		name: '<b>world</b>'
 	},
 
 	html: `
@@ -34,5 +34,5 @@ export default {
 			<editor contenteditable="true">good<span>bye</span></editor>
 			<p>hello good<span>bye</span></p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-contenteditable-text-initial/_config.js b/test/runtime/samples/binding-contenteditable-text-initial/_config.js
index 4899f30f12..d5f331bb7a 100644
--- a/test/runtime/samples/binding-contenteditable-text-initial/_config.js
+++ b/test/runtime/samples/binding-contenteditable-text-initial/_config.js
@@ -30,5 +30,5 @@ export default {
 			<editor contenteditable="true">goodbye</editor>
 			<p>hello goodbye</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-contenteditable-text/_config.js b/test/runtime/samples/binding-contenteditable-text/_config.js
index 9f8645724d..89f3968258 100644
--- a/test/runtime/samples/binding-contenteditable-text/_config.js
+++ b/test/runtime/samples/binding-contenteditable-text/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		name: 'world',
+		name: 'world'
 	},
 
 	html: `
@@ -28,5 +28,5 @@ export default {
 			<editor contenteditable="true">goodbye</editor>
 			<p>hello goodbye</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-checkbox-indeterminate/_config.js b/test/runtime/samples/binding-input-checkbox-indeterminate/_config.js
index 2e3a1c296f..9d099feb0a 100644
--- a/test/runtime/samples/binding-input-checkbox-indeterminate/_config.js
+++ b/test/runtime/samples/binding-input-checkbox-indeterminate/_config.js
@@ -2,7 +2,7 @@ export default {
 	skip_if_ssr: true,
 
 	props: {
-		indeterminate: true,
+		indeterminate: true
 	},
 
 	html: `
@@ -38,5 +38,5 @@ export default {
 			<p>checked? true</p>
 			<p>indeterminate? true</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-checkbox-with-event-in-each/_config.js b/test/runtime/samples/binding-input-checkbox-with-event-in-each/_config.js
index b502ed40af..9e6f915dd0 100644
--- a/test/runtime/samples/binding-input-checkbox-with-event-in-each/_config.js
+++ b/test/runtime/samples/binding-input-checkbox-with-event-in-each/_config.js
@@ -3,13 +3,13 @@ export default {
 		cats: [
 			{
 				name: "cat 0",
-				checked: false,
+				checked: false
 			},
 			{
 				name: "cat 1",
-				checked: false,
-			},
-		],
+				checked: false
+			}
+		]
 	},
 
 	html: `
@@ -22,7 +22,7 @@ export default {
 		const newCats = cats.slice();
 		newCats.push({
 			name: "cat " + cats.length,
-			checked: false,
+			checked: false
 		});
 		component.cats = newCats;
 
diff --git a/test/runtime/samples/binding-input-number-2/_config.js b/test/runtime/samples/binding-input-number-2/_config.js
index a3510eb757..5daf50fd04 100644
--- a/test/runtime/samples/binding-input-number-2/_config.js
+++ b/test/runtime/samples/binding-input-number-2/_config.js
@@ -27,5 +27,5 @@ export default {
 		component.value = 1;
 		assert.equal(component.value, 1);
 		assert.equal(input.value, "1");
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-number/_config.js b/test/runtime/samples/binding-input-number/_config.js
index 869b9f9896..3c5919bc64 100644
--- a/test/runtime/samples/binding-input-number/_config.js
+++ b/test/runtime/samples/binding-input-number/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		count: 42,
+		count: 42
 	},
 
 	html: `
@@ -44,5 +44,5 @@ export default {
 			<input type='number'>
 			<p>undefined undefined</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-range-change-with-max/_config.js b/test/runtime/samples/binding-input-range-change-with-max/_config.js
index 1fda90d83c..dc3cf4ce28 100644
--- a/test/runtime/samples/binding-input-range-change-with-max/_config.js
+++ b/test/runtime/samples/binding-input-range-change-with-max/_config.js
@@ -29,5 +29,5 @@ export default {
 			<input type=range min=0 max=20>
 			<p>20 of 20</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-range-change/_config.js b/test/runtime/samples/binding-input-range-change/_config.js
index 62e9562770..f6ec2d9c53 100644
--- a/test/runtime/samples/binding-input-range-change/_config.js
+++ b/test/runtime/samples/binding-input-range-change/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		count: 42,
+		count: 42
 	},
 
 	html: `
@@ -34,5 +34,5 @@ export default {
 			<input type='range'>
 			<p>number 44</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-range/_config.js b/test/runtime/samples/binding-input-range/_config.js
index 4c3d37a667..dc6178e088 100644
--- a/test/runtime/samples/binding-input-range/_config.js
+++ b/test/runtime/samples/binding-input-range/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		count: 42,
+		count: 42
 	},
 
 	html: `
@@ -34,5 +34,5 @@ export default {
 			<input type='range'>
 			<p>number 44</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-contextual-deconflicted/_config.js b/test/runtime/samples/binding-input-text-contextual-deconflicted/_config.js
index 28cffdfa57..de4d6325b0 100644
--- a/test/runtime/samples/binding-input-text-contextual-deconflicted/_config.js
+++ b/test/runtime/samples/binding-input-text-contextual-deconflicted/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		foo: 'a',
-		items: ['x'],
+		items: ['x']
 	},
 
 	html: `
@@ -32,5 +32,5 @@ export default {
 			<div><input><p>b</p></div>
 			<div><input><p>y</p></div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-contextual-reactive/_config.js b/test/runtime/samples/binding-input-text-contextual-reactive/_config.js
index 6fdfc4be52..a1584c18b8 100644
--- a/test/runtime/samples/binding-input-text-contextual-reactive/_config.js
+++ b/test/runtime/samples/binding-input-text-contextual-reactive/_config.js
@@ -121,5 +121,5 @@ export default {
 
 			<p>done:one / done:two / remaining:four</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-contextual/_config.js b/test/runtime/samples/binding-input-text-contextual/_config.js
index bb7f16c8bb..1c66ea7ff5 100644
--- a/test/runtime/samples/binding-input-text-contextual/_config.js
+++ b/test/runtime/samples/binding-input-text-contextual/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		items: ['one', 'two', 'three'],
+		items: ['one', 'two', 'three']
 	},
 
 	html: `
@@ -65,5 +65,5 @@ export default {
 				<input><p>five</p>
 			</div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-deconflicted/_config.js b/test/runtime/samples/binding-input-text-deconflicted/_config.js
index 46fe3e2a38..48a7d2590a 100644
--- a/test/runtime/samples/binding-input-text-deconflicted/_config.js
+++ b/test/runtime/samples/binding-input-text-deconflicted/_config.js
@@ -1,8 +1,8 @@
 export default {
 	props: {
 		component: {
-			name: 'world',
-		},
+			name: 'world'
+		}
 	},
 
 	html: `
@@ -36,5 +36,5 @@ export default {
 			<h1>Hello goodbye!</h1>
 			<input>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-deep-computed-dynamic/_config.js b/test/runtime/samples/binding-input-text-deep-computed-dynamic/_config.js
index eeecdb0ef8..0afbb9d952 100644
--- a/test/runtime/samples/binding-input-text-deep-computed-dynamic/_config.js
+++ b/test/runtime/samples/binding-input-text-deep-computed-dynamic/_config.js
@@ -4,8 +4,8 @@ export default {
 		obj: {
 			foo: 'a',
 			bar: 'b',
-			baz: 'c',
-		},
+			baz: 'c'
+		}
 	},
 
 	html: `
@@ -56,5 +56,5 @@ export default {
 			<input>
 			<pre>{"foo":"d","bar":"e","baz":"f"}</pre>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-deep-computed/_config.js b/test/runtime/samples/binding-input-text-deep-computed/_config.js
index a1ea2c34ad..3a85d50d76 100644
--- a/test/runtime/samples/binding-input-text-deep-computed/_config.js
+++ b/test/runtime/samples/binding-input-text-deep-computed/_config.js
@@ -2,8 +2,8 @@ export default {
 	props: {
 		prop: 'name',
 		user: {
-			name: 'alice',
-		},
+			name: 'alice'
+		}
 	},
 
 	html: `
@@ -40,5 +40,5 @@ export default {
 			<input>
 			<p>hello carol</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-deep-contextual-computed-dynamic/_config.js b/test/runtime/samples/binding-input-text-deep-contextual-computed-dynamic/_config.js
index 364195233d..627ef5f15e 100644
--- a/test/runtime/samples/binding-input-text-deep-contextual-computed-dynamic/_config.js
+++ b/test/runtime/samples/binding-input-text-deep-contextual-computed-dynamic/_config.js
@@ -5,9 +5,9 @@ export default {
 			{
 				foo: 'a',
 				bar: 'b',
-				baz: 'c',
-			},
-		],
+				baz: 'c'
+			}
+		]
 	},
 
 	html: `
@@ -58,5 +58,5 @@ export default {
 			<input>
 			<pre>{"foo":"d","bar":"e","baz":"f"}</pre>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-deep-contextual/_config.js b/test/runtime/samples/binding-input-text-deep-contextual/_config.js
index 5b6b0d6577..cc80d38042 100644
--- a/test/runtime/samples/binding-input-text-deep-contextual/_config.js
+++ b/test/runtime/samples/binding-input-text-deep-contextual/_config.js
@@ -3,8 +3,8 @@ export default {
 		items: [
 			{ description: 'one' },
 			{ description: 'two' },
-			{ description: 'three' },
-		],
+			{ description: 'three' }
+		]
 	},
 
 	html: `
@@ -45,5 +45,5 @@ export default {
 			<div><input><p>four</p></div>
 			<div><input><p>five</p></div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-deep/_config.js b/test/runtime/samples/binding-input-text-deep/_config.js
index e6113510a7..35443e9073 100644
--- a/test/runtime/samples/binding-input-text-deep/_config.js
+++ b/test/runtime/samples/binding-input-text-deep/_config.js
@@ -1,8 +1,8 @@
 export default {
 	props: {
 		user: {
-			name: 'alice',
-		},
+			name: 'alice'
+		}
 	},
 
 	html: `
@@ -39,5 +39,5 @@ export default {
 			<input>
 			<p>hello carol</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text-undefined/_config.js b/test/runtime/samples/binding-input-text-undefined/_config.js
index 009e1b37ba..fa59b1f796 100644
--- a/test/runtime/samples/binding-input-text-undefined/_config.js
+++ b/test/runtime/samples/binding-input-text-undefined/_config.js
@@ -26,5 +26,5 @@ export default {
 
 		component.x = undefined;
 		assert.equal(input.value, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-input-text/_config.js b/test/runtime/samples/binding-input-text/_config.js
index e7162b6153..52d8e44902 100644
--- a/test/runtime/samples/binding-input-text/_config.js
+++ b/test/runtime/samples/binding-input-text/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		name: 'world',
+		name: 'world'
 	},
 
 	html: `
@@ -33,5 +33,5 @@ export default {
 			<input>
 			<p>hello goodbye</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-select-initial-value/_config.js b/test/runtime/samples/binding-select-initial-value/_config.js
index d98e5d2e1c..d34a987fa5 100644
--- a/test/runtime/samples/binding-select-initial-value/_config.js
+++ b/test/runtime/samples/binding-select-initial-value/_config.js
@@ -24,7 +24,7 @@ export default {
 	`,
 
 	props: {
-		selected: 'b',
+		selected: 'b'
 	},
 
 	test({ assert, component, target }) {
@@ -33,5 +33,5 @@ export default {
 
 		assert.equal(select.value, 'b');
 		assert.ok(options[1].selected);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-select-optgroup/_config.js b/test/runtime/samples/binding-select-optgroup/_config.js
index e8a1d40797..03ad3e3280 100644
--- a/test/runtime/samples/binding-select-optgroup/_config.js
+++ b/test/runtime/samples/binding-select-optgroup/_config.js
@@ -45,5 +45,5 @@ export default {
 				</optgroup>
 			</select>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-select/_config.js b/test/runtime/samples/binding-select/_config.js
index a5995061a0..310315176b 100644
--- a/test/runtime/samples/binding-select/_config.js
+++ b/test/runtime/samples/binding-select/_config.js
@@ -24,7 +24,7 @@ export default {
 	`,
 
 	props: {
-		selected: 'one',
+		selected: 'one'
 	},
 
 	async test({ assert, component, target, window }) {
@@ -53,5 +53,5 @@ export default {
 		`);
 
 		component.selected = 'three';
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-store-deep/_config.js b/test/runtime/samples/binding-store-deep/_config.js
index 8bdd41818b..c0f4f63578 100644
--- a/test/runtime/samples/binding-store-deep/_config.js
+++ b/test/runtime/samples/binding-store-deep/_config.js
@@ -37,5 +37,5 @@ export default {
 
 		assert.deepEqual(names, ['world', 'everybody', 'goodbye']);
 		unsubscribe();
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-store/_config.js b/test/runtime/samples/binding-store/_config.js
index eb22d3e96c..6e7a70878a 100644
--- a/test/runtime/samples/binding-store/_config.js
+++ b/test/runtime/samples/binding-store/_config.js
@@ -37,5 +37,5 @@ export default {
 
 		assert.deepEqual(names, ['world', 'everybody', 'goodbye']);
 		unsubscribe();
-	},
+	}
 };
diff --git a/test/runtime/samples/binding-textarea/_config.js b/test/runtime/samples/binding-textarea/_config.js
index ac092096e6..70646e5e4b 100644
--- a/test/runtime/samples/binding-textarea/_config.js
+++ b/test/runtime/samples/binding-textarea/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		value: 'some text',
+		value: 'some text'
 	},
 
 	html: `
@@ -33,5 +33,5 @@ export default {
 			<textarea></textarea>
 			<p>goodbye</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/bitmask-overflow-2/_config.js b/test/runtime/samples/bitmask-overflow-2/_config.js
index 0b63791292..7304f6fa68 100644
--- a/test/runtime/samples/bitmask-overflow-2/_config.js
+++ b/test/runtime/samples/bitmask-overflow-2/_config.js
@@ -1,3 +1,3 @@
 export default {
-	error: `potato is not defined`,
+	error: `potato is not defined`
 };
\ No newline at end of file
diff --git a/test/runtime/samples/bitmask-overflow-3/_config.js b/test/runtime/samples/bitmask-overflow-3/_config.js
index aee7d3237e..a55a73af1d 100644
--- a/test/runtime/samples/bitmask-overflow-3/_config.js
+++ b/test/runtime/samples/bitmask-overflow-3/_config.js
@@ -1,3 +1,3 @@
 export default {
-	error: `A is not defined`,
+	error: `A is not defined`
 };
\ No newline at end of file
diff --git a/test/runtime/samples/bitmask-overflow-slot-2/_config.js b/test/runtime/samples/bitmask-overflow-slot-2/_config.js
index b01bd81e00..08c0c2f902 100644
--- a/test/runtime/samples/bitmask-overflow-slot-2/_config.js
+++ b/test/runtime/samples/bitmask-overflow-slot-2/_config.js
@@ -90,7 +90,7 @@ export default {
 
 		assert.deepEqual(component.reads, {
 			_0: 2,
-			_1: 2,
+			_1: 2
 		});
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/class-with-spread-and-bind/_config.js b/test/runtime/samples/class-with-spread-and-bind/_config.js
index f3c54e8c52..cab46706ef 100644
--- a/test/runtime/samples/class-with-spread-and-bind/_config.js
+++ b/test/runtime/samples/class-with-spread-and-bind/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		primary: true,
+		primary: true
 	},
 
 	html: `<div class="test-class primary" role="button"></div>`,
@@ -14,5 +14,5 @@ export default {
 			<div class="test-class primary" role="button"></div>
 		`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/component-binding-deep/_config.js b/test/runtime/samples/component-binding-deep/_config.js
index be5a2624ac..8a2f5a56cf 100644
--- a/test/runtime/samples/component-binding-deep/_config.js
+++ b/test/runtime/samples/component-binding-deep/_config.js
@@ -21,5 +21,5 @@ export default {
 			<input>
 			<p>blah</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/component-event-not-stale/_config.js b/test/runtime/samples/component-event-not-stale/_config.js
index 912ea1f7d0..7951afb9d5 100644
--- a/test/runtime/samples/component-event-not-stale/_config.js
+++ b/test/runtime/samples/component-event-not-stale/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		value: 1,
+		value: 1
 	},
 
 	test({ assert, component, target, window }) {
@@ -26,5 +26,5 @@ export default {
 			{ value: 2 },
 			{ value: 2 }
 		]);
-	},
+	}
 };
diff --git a/test/runtime/samples/component-events-console/_config.js b/test/runtime/samples/component-events-console/_config.js
index b800749785..39ccbd719f 100644
--- a/test/runtime/samples/component-events-console/_config.js
+++ b/test/runtime/samples/component-events-console/_config.js
@@ -21,5 +21,5 @@ export default {
 		}
 
 		console.log = log;
-	},
+	}
 };
diff --git a/test/runtime/samples/component-shorthand-import/_config.js b/test/runtime/samples/component-shorthand-import/_config.js
index ceb8e19f68..c955224600 100644
--- a/test/runtime/samples/component-shorthand-import/_config.js
+++ b/test/runtime/samples/component-shorthand-import/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<p>This is the widget.</p>`,
+	html: `<p>This is the widget.</p>`
 };
diff --git a/test/runtime/samples/component-slot-fallback-3/_config.js b/test/runtime/samples/component-slot-fallback-3/_config.js
index b5591fb5e0..25cc65eb2d 100644
--- a/test/runtime/samples/component-slot-fallback-3/_config.js
+++ b/test/runtime/samples/component-slot-fallback-3/_config.js
@@ -2,5 +2,5 @@ export default {
 	html: `
 	<div>Hello World</div>
 	<div>Hello</div><div>world</div><div>Bye</div><div>World</div>
-	`,
+	`
 };
diff --git a/test/runtime/samples/component-slot-fallback-4/_config.js b/test/runtime/samples/component-slot-fallback-4/_config.js
index b7c2b63ed6..4ebe353513 100644
--- a/test/runtime/samples/component-slot-fallback-4/_config.js
+++ b/test/runtime/samples/component-slot-fallback-4/_config.js
@@ -1,5 +1,5 @@
 export default {
 	html: `
 	foobar
-	`,
+	`
 };
diff --git a/test/runtime/samples/component-slot-let-in-slot/_config.js b/test/runtime/samples/component-slot-let-in-slot/_config.js
index a86d869581..eb16c27fda 100644
--- a/test/runtime/samples/component-slot-let-in-slot/_config.js
+++ b/test/runtime/samples/component-slot-let-in-slot/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		prop: 'a',
+		prop: 'a'
 	},
 
 	html: 'a',
diff --git a/test/runtime/samples/component-slot-nested-if/_config.js b/test/runtime/samples/component-slot-nested-if/_config.js
index 89dfd006cc..45c570fc22 100644
--- a/test/runtime/samples/component-slot-nested-if/_config.js
+++ b/test/runtime/samples/component-slot-nested-if/_config.js
@@ -26,5 +26,5 @@ export default {
 			Display: abc
 		`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/deconflict-builtins-2/_config.js b/test/runtime/samples/deconflict-builtins-2/_config.js
index 5870ff073b..1489f83dc4 100644
--- a/test/runtime/samples/deconflict-builtins-2/_config.js
+++ b/test/runtime/samples/deconflict-builtins-2/_config.js
@@ -1,4 +1,4 @@
 export default {
 	html: `<text>hello world</text>`,
-	preserveIdentifiers: true,
+	preserveIdentifiers: true
 };
\ No newline at end of file
diff --git a/test/runtime/samples/dev-warning-missing-data-each/_config.js b/test/runtime/samples/dev-warning-missing-data-each/_config.js
index 92cda48fce..7d7794eff4 100644
--- a/test/runtime/samples/dev-warning-missing-data-each/_config.js
+++ b/test/runtime/samples/dev-warning-missing-data-each/_config.js
@@ -7,18 +7,18 @@ export default {
 		letters: [
 			{
 				id: 1,
-				char: 'a',
+				char: 'a'
 			},
 			{
 				id: 2,
-				char: 'b',
+				char: 'b'
 			},
 			{
 				id: 3,
-				char: 'c',
-			},
-		],
+				char: 'c'
+			}
+		]
 	},
 
-	warnings: [],
+	warnings: []
 };
diff --git a/test/runtime/samples/document-event/_config.js b/test/runtime/samples/document-event/_config.js
index f5e4b46f4f..d9a8866275 100644
--- a/test/runtime/samples/document-event/_config.js
+++ b/test/runtime/samples/document-event/_config.js
@@ -9,5 +9,5 @@ export default {
 		const event2 = new window.Event('mouseleave');
 		window.document.body.dispatchEvent(event2);
 		assert.deepEqual(component.events, ['enter', 'leave']);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-array-literal/_config.js b/test/runtime/samples/each-block-array-literal/_config.js
index 288d1cd09f..164e4730bc 100644
--- a/test/runtime/samples/each-block-array-literal/_config.js
+++ b/test/runtime/samples/each-block-array-literal/_config.js
@@ -15,5 +15,5 @@ export default {
 
 		button.dispatchEvent(event);
 		assert.equal(component.clicked, 'racoon');
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-destructured-array-sparse/_config.js b/test/runtime/samples/each-block-destructured-array-sparse/_config.js
index 9805276600..331c3aec1b 100644
--- a/test/runtime/samples/each-block-destructured-array-sparse/_config.js
+++ b/test/runtime/samples/each-block-destructured-array-sparse/_config.js
@@ -16,5 +16,5 @@ export default {
 		assert.htmlEqual( target.innerHTML, `
 			<p>bar</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-destructured-array/_config.js b/test/runtime/samples/each-block-destructured-array/_config.js
index 432d8a3a78..e2924c8656 100644
--- a/test/runtime/samples/each-block-destructured-array/_config.js
+++ b/test/runtime/samples/each-block-destructured-array/_config.js
@@ -16,5 +16,5 @@ export default {
 		assert.htmlEqual( target.innerHTML, `
 			<p>foo: bar</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-destructured-default/_config.js b/test/runtime/samples/each-block-destructured-default/_config.js
index 133fd68532..0e99fd589f 100644
--- a/test/runtime/samples/each-block-destructured-default/_config.js
+++ b/test/runtime/samples/each-block-destructured-default/_config.js
@@ -18,5 +18,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `
 			<p class="mammal">cow - ‎B. taurus - 50kg</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-destructured-object-binding/_config.js b/test/runtime/samples/each-block-destructured-object-binding/_config.js
index 8b59a97034..2ab3e24397 100644
--- a/test/runtime/samples/each-block-destructured-object-binding/_config.js
+++ b/test/runtime/samples/each-block-destructured-object-binding/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		people: [{ name: { first: 'Doctor', last: 'Who' } }],
+		people: [{ name: { first: 'Doctor', last: 'Who' } }]
 	},
 
 	html: `
@@ -41,5 +41,5 @@ export default {
 			<input>
 			<p>Frank Oz</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-destructured-object-rest/_config.js b/test/runtime/samples/each-block-destructured-object-rest/_config.js
index 561d4e8442..be5d38b555 100644
--- a/test/runtime/samples/each-block-destructured-object-rest/_config.js
+++ b/test/runtime/samples/each-block-destructured-object-rest/_config.js
@@ -16,5 +16,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `
 			<p class="mammal">cow</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-destructured-object/_config.js b/test/runtime/samples/each-block-destructured-object/_config.js
index dc3943fffe..feec72f402 100644
--- a/test/runtime/samples/each-block-destructured-object/_config.js
+++ b/test/runtime/samples/each-block-destructured-object/_config.js
@@ -16,5 +16,5 @@ export default {
 		assert.htmlEqual( target.innerHTML, `
 			<p>cow: hooves</p>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-else-mount-or-intro/_config.js b/test/runtime/samples/each-block-else-mount-or-intro/_config.js
index 8460a4b5e0..acf2bafd5f 100644
--- a/test/runtime/samples/each-block-else-mount-or-intro/_config.js
+++ b/test/runtime/samples/each-block-else-mount-or-intro/_config.js
@@ -1,4 +1,4 @@
 export default {
 	props: { items: [] },
-	html: `No items.`,
+	html: `No items.`
 };
diff --git a/test/runtime/samples/each-block-in-if-block/_config.js b/test/runtime/samples/each-block-in-if-block/_config.js
index eda3ca14a9..082b9b3033 100644
--- a/test/runtime/samples/each-block-in-if-block/_config.js
+++ b/test/runtime/samples/each-block-in-if-block/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		dummy: false,
-		fruits: ['Apple', 'Banana', 'Tomato'],
+		fruits: ['Apple', 'Banana', 'Tomato']
 	},
 
 	html: '<div><div>Apple</div><div>Banana</div><div>Tomato</div></div>',
diff --git a/test/runtime/samples/each-block-keyed-component-action/_config.js b/test/runtime/samples/each-block-keyed-component-action/_config.js
index c4421f89ae..66c609be01 100644
--- a/test/runtime/samples/each-block-keyed-component-action/_config.js
+++ b/test/runtime/samples/each-block-keyed-component-action/_config.js
@@ -17,5 +17,5 @@ export default {
 		component.arr = [];
 
 		assert.equal(component.count, 0);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-keyed-empty/_config.js b/test/runtime/samples/each-block-keyed-empty/_config.js
index cf8f4d3219..2c9055ce44 100644
--- a/test/runtime/samples/each-block-keyed-empty/_config.js
+++ b/test/runtime/samples/each-block-keyed-empty/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		x: [{ z: 1 }, { z: 2 }],
+		x: [{ z: 1 }, { z: 2 }]
 	},
 
 	html: ``
diff --git a/test/runtime/samples/each-block-keyed-non-prop/_config.js b/test/runtime/samples/each-block-keyed-non-prop/_config.js
index 90e9a7f9c8..2cccbedef0 100644
--- a/test/runtime/samples/each-block-keyed-non-prop/_config.js
+++ b/test/runtime/samples/each-block-keyed-non-prop/_config.js
@@ -25,5 +25,5 @@ export default {
 
 		assert.equal(p1, p4, 'first <p> element should be retained');
 		assert.equal(p3, p5, 'last <p> element should be retained');
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-keyed-random-permute/_config.js b/test/runtime/samples/each-block-keyed-random-permute/_config.js
index 80bf2d9115..4e6830a616 100644
--- a/test/runtime/samples/each-block-keyed-random-permute/_config.js
+++ b/test/runtime/samples/each-block-keyed-random-permute/_config.js
@@ -19,7 +19,7 @@ function permute() {
 
 export default {
 	props: {
-		values: toObjects('abc'),
+		values: toObjects('abc')
 	},
 
 	html: `(a)(b)(c)`,
diff --git a/test/runtime/samples/each-block-keyed-shift/_config.js b/test/runtime/samples/each-block-keyed-shift/_config.js
index 44ca8447f0..4e7809445c 100644
--- a/test/runtime/samples/each-block-keyed-shift/_config.js
+++ b/test/runtime/samples/each-block-keyed-shift/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		titles: [{ name: 'a', }, { name: 'b' }, { name: 'c' }]
+		titles: [{ name: 'a' }, { name: 'b' }, { name: 'c' }]
 	},
 
 	html: `
diff --git a/test/runtime/samples/each-block-keyed-siblings/_config.js b/test/runtime/samples/each-block-keyed-siblings/_config.js
index d87f8943da..a52b6c404d 100644
--- a/test/runtime/samples/each-block-keyed-siblings/_config.js
+++ b/test/runtime/samples/each-block-keyed-siblings/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		ones: [{ text: '1' }],
-		twos: [{ text: '2' }],
+		twos: [{ text: '2' }]
 	},
 
 	html: `
@@ -16,5 +16,5 @@ export default {
 			<div>11</div>
 			<div>2</div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/each-block-keyed-static/_config.js b/test/runtime/samples/each-block-keyed-static/_config.js
index 629ea47ebb..57800c454f 100644
--- a/test/runtime/samples/each-block-keyed-static/_config.js
+++ b/test/runtime/samples/each-block-keyed-static/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		x: [{ z: 1 }, { z: 2 }],
+		x: [{ z: 1 }, { z: 2 }]
 	},
 
 	html: `
diff --git a/test/runtime/samples/each-block-scope-shadow-self/_config.js b/test/runtime/samples/each-block-scope-shadow-self/_config.js
index 1669dc5b6e..867aadfab9 100644
--- a/test/runtime/samples/each-block-scope-shadow-self/_config.js
+++ b/test/runtime/samples/each-block-scope-shadow-self/_config.js
@@ -9,5 +9,5 @@ export default {
 		assert.equal(target.querySelectorAll('input').length, 3);
 		assert.deepEqual(component.data, { a: 'svelte', b: 'B', c: 'C' });
 		assert.deepEqual(component.x, ['a', 'b', 'c']);
-	},
+	}
 };
diff --git a/test/runtime/samples/empty-dom/_config.js b/test/runtime/samples/empty-dom/_config.js
index e3e3d0ecd5..7da2831db4 100644
--- a/test/runtime/samples/empty-dom/_config.js
+++ b/test/runtime/samples/empty-dom/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '',
+	html: ''
 };
\ No newline at end of file
diff --git a/test/runtime/samples/empty-style-block/_config.js b/test/runtime/samples/empty-style-block/_config.js
index 0375bad029..22dc25b41e 100644
--- a/test/runtime/samples/empty-style-block/_config.js
+++ b/test/runtime/samples/empty-style-block/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '',
+	html: ''
 };
diff --git a/test/runtime/samples/escape-template-literals/_config.js b/test/runtime/samples/escape-template-literals/_config.js
index 1419d65679..9e50f94764 100644
--- a/test/runtime/samples/escape-template-literals/_config.js
+++ b/test/runtime/samples/escape-template-literals/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '<code>`${foo}\\n`</code>\n<div title="`${foo}\\n`">foo</div>\n<div>`${foo}\\n`</div>',
+	html: '<code>`${foo}\\n`</code>\n<div title="`${foo}\\n`">foo</div>\n<div>`${foo}\\n`</div>'
 };
diff --git a/test/runtime/samples/event-handler-async/_config.js b/test/runtime/samples/event-handler-async/_config.js
index fab4d998b6..b483d039ed 100644
--- a/test/runtime/samples/event-handler-async/_config.js
+++ b/test/runtime/samples/event-handler-async/_config.js
@@ -1,5 +1,5 @@
 export default {
 	html: `
 		<button>nothing</button>
-	`,
+	`
 };
diff --git a/test/runtime/samples/event-handler-dynamic-2/_config.js b/test/runtime/samples/event-handler-dynamic-2/_config.js
index c996d8f2aa..5fded47855 100644
--- a/test/runtime/samples/event-handler-dynamic-2/_config.js
+++ b/test/runtime/samples/event-handler-dynamic-2/_config.js
@@ -29,5 +29,5 @@ export default {
 
 		await handler_b.dispatchEvent(event);
 		assert.equal(p.innerHTML, '2');
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-dynamic-bound-var/_config.js b/test/runtime/samples/event-handler-dynamic-bound-var/_config.js
index c832127c09..c490db000a 100644
--- a/test/runtime/samples/event-handler-dynamic-bound-var/_config.js
+++ b/test/runtime/samples/event-handler-dynamic-bound-var/_config.js
@@ -16,5 +16,5 @@ export default {
 				Bye World
 			`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-dynamic-expression/_config.js b/test/runtime/samples/event-handler-dynamic-expression/_config.js
index c4d259a542..b202196ebf 100644
--- a/test/runtime/samples/event-handler-dynamic-expression/_config.js
+++ b/test/runtime/samples/event-handler-dynamic-expression/_config.js
@@ -16,5 +16,5 @@ export default {
 		
 		await button.dispatchEvent(event);
 		assert.htmlEqual(target.innerHTML, `<button>foo</button>`);
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-dynamic-hash/_config.js b/test/runtime/samples/event-handler-dynamic-hash/_config.js
index e60e561524..dcfebb7008 100644
--- a/test/runtime/samples/event-handler-dynamic-hash/_config.js
+++ b/test/runtime/samples/event-handler-dynamic-hash/_config.js
@@ -52,5 +52,5 @@ export default {
 			<p>2</p>
 			<button>click</button>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-dynamic-invalid/_config.js b/test/runtime/samples/event-handler-dynamic-invalid/_config.js
index ba1777f945..ad9d8c8680 100644
--- a/test/runtime/samples/event-handler-dynamic-invalid/_config.js
+++ b/test/runtime/samples/event-handler-dynamic-invalid/_config.js
@@ -24,5 +24,5 @@ export default {
 
 		await buttonInvalid.dispatchEvent(event);
 		assert.equal(err, "", err);
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-dynamic-modifier-self/_config.js b/test/runtime/samples/event-handler-dynamic-modifier-self/_config.js
index 6d7d29e482..6bd96ba8aa 100644
--- a/test/runtime/samples/event-handler-dynamic-modifier-self/_config.js
+++ b/test/runtime/samples/event-handler-dynamic-modifier-self/_config.js
@@ -12,5 +12,5 @@ export default {
 		await button.dispatchEvent(event);
 
 		assert.ok(!component.inner_clicked);
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-dynamic/_config.js b/test/runtime/samples/event-handler-dynamic/_config.js
index e60e561524..dcfebb7008 100644
--- a/test/runtime/samples/event-handler-dynamic/_config.js
+++ b/test/runtime/samples/event-handler-dynamic/_config.js
@@ -52,5 +52,5 @@ export default {
 			<p>2</p>
 			<button>click</button>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/event-handler-each-this/_config.js b/test/runtime/samples/event-handler-each-this/_config.js
index 3ab2d5acdc..7f6528977c 100644
--- a/test/runtime/samples/event-handler-each-this/_config.js
+++ b/test/runtime/samples/event-handler-each-this/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		items: ['foo', 'bar', 'baz'],
+		items: ['foo', 'bar', 'baz']
 	},
 
 	html: `
diff --git a/test/runtime/samples/event-handler-modifier-self/_config.js b/test/runtime/samples/event-handler-modifier-self/_config.js
index 6d7d29e482..6bd96ba8aa 100644
--- a/test/runtime/samples/event-handler-modifier-self/_config.js
+++ b/test/runtime/samples/event-handler-modifier-self/_config.js
@@ -12,5 +12,5 @@ export default {
 		await button.dispatchEvent(event);
 
 		assert.ok(!component.inner_clicked);
-	},
+	}
 };
diff --git a/test/runtime/samples/globals-not-overwritten-by-bindings/_config.js b/test/runtime/samples/globals-not-overwritten-by-bindings/_config.js
index d5f3def7f1..34cee8157c 100644
--- a/test/runtime/samples/globals-not-overwritten-by-bindings/_config.js
+++ b/test/runtime/samples/globals-not-overwritten-by-bindings/_config.js
@@ -37,17 +37,17 @@ export default {
 		todos: {
 			first: {
 				description: 'Buy some milk',
-				done: true,
+				done: true
 			},
 			second: {
 				description: 'Do the laundry',
-				done: true,
+				done: true
 			},
 			third: {
 				description: "Find life's true purpose",
-				done: false,
-			},
-		},
+				done: false
+			}
+		}
 	},
 
 	async test({ assert, component, target, window }) {
@@ -74,5 +74,5 @@ export default {
 				<input type="text">
 			</div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/globals-shadowed-by-each-binding/_config.js b/test/runtime/samples/globals-shadowed-by-each-binding/_config.js
index f69e5e8b0e..50feb09bb6 100644
--- a/test/runtime/samples/globals-shadowed-by-each-binding/_config.js
+++ b/test/runtime/samples/globals-shadowed-by-each-binding/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '<p>Alert1</p><p>Alert2</p>',
+	html: '<p>Alert1</p><p>Alert2</p>'
 };
diff --git a/test/runtime/samples/if-block-component-store-function-conditionals/_config.js b/test/runtime/samples/if-block-component-store-function-conditionals/_config.js
index db171f2fd1..609765d225 100644
--- a/test/runtime/samples/if-block-component-store-function-conditionals/_config.js
+++ b/test/runtime/samples/if-block-component-store-function-conditionals/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '<p>OK</p>',
+	html: '<p>OK</p>'
 };
diff --git a/test/runtime/samples/if-block-component-without-outro/_config.js b/test/runtime/samples/if-block-component-without-outro/_config.js
index 8106081c7c..fbcc328fa3 100644
--- a/test/runtime/samples/if-block-component-without-outro/_config.js
+++ b/test/runtime/samples/if-block-component-without-outro/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		foo: true,
+		foo: true
 	},
 
 	html: '<div>A wild component appears</div>',
@@ -8,5 +8,5 @@ export default {
 	test({ assert, component, target }) {
 		component.foo = false;
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/if-block-else-in-each/_config.js b/test/runtime/samples/if-block-else-in-each/_config.js
index 44268f32b9..e75dcb15ee 100644
--- a/test/runtime/samples/if-block-else-in-each/_config.js
+++ b/test/runtime/samples/if-block-else-in-each/_config.js
@@ -1,9 +1,9 @@
 export default {
 	props: {
-		array: [true, false],
+		array: [true, false]
 	},
 	html: `
 		<div>foo</div>
 		<div>bar</div>
-	`,
+	`
 };
diff --git a/test/runtime/samples/if-block-else-partial-outro/_config.js b/test/runtime/samples/if-block-else-partial-outro/_config.js
index a358680edf..ae58d25c23 100644
--- a/test/runtime/samples/if-block-else-partial-outro/_config.js
+++ b/test/runtime/samples/if-block-else-partial-outro/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
 		x: 1,
-		y: false,
+		y: false
 	},
 
 	html: `
@@ -13,5 +13,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `
 			<span>2</span>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/if-block-no-outro-else-with-outro/_config.js b/test/runtime/samples/if-block-no-outro-else-with-outro/_config.js
index b2e71ea01f..da80f5be12 100644
--- a/test/runtime/samples/if-block-no-outro-else-with-outro/_config.js
+++ b/test/runtime/samples/if-block-no-outro-else-with-outro/_config.js
@@ -18,5 +18,5 @@ export default {
 			<p>y</p>
 			<input type=text>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/if-block-outro-unique-select-block-type/_config.js b/test/runtime/samples/if-block-outro-unique-select-block-type/_config.js
index b94da1a576..15213e19b3 100644
--- a/test/runtime/samples/if-block-outro-unique-select-block-type/_config.js
+++ b/test/runtime/samples/if-block-outro-unique-select-block-type/_config.js
@@ -2,5 +2,5 @@ export default {
 	html: `
 		<div></div>
 		<div></div>
-	`,
+	`
 };
diff --git a/test/runtime/samples/initial-state-assign/_config.js b/test/runtime/samples/initial-state-assign/_config.js
index b4067fef80..95a1a5e068 100644
--- a/test/runtime/samples/initial-state-assign/_config.js
+++ b/test/runtime/samples/initial-state-assign/_config.js
@@ -3,5 +3,5 @@ export default {
 	html: `
 		"foo"
 		"bar"
-	`,
+	`
 };
diff --git a/test/runtime/samples/lifecycle-render-order-for-children/_config.js b/test/runtime/samples/lifecycle-render-order-for-children/_config.js
index 033b593aea..d182d5a97e 100644
--- a/test/runtime/samples/lifecycle-render-order-for-children/_config.js
+++ b/test/runtime/samples/lifecycle-render-order-for-children/_config.js
@@ -21,7 +21,7 @@ export default {
 				'3: onMount',
 				'3: afterUpdate',
 				'0: onMount',
-				'0: afterUpdate',
+				'0: afterUpdate'
 			]);
 		} else {
 			assert.deepEqual(order, [
@@ -40,10 +40,10 @@ export default {
 				'3: onMount',
 				'3: afterUpdate',
 				'0: onMount',
-				'0: afterUpdate',
+				'0: afterUpdate'
 			]);
 		}
 
 		order.length = 0;
-	},
+	}
 };
diff --git a/test/runtime/samples/loop-protect-generator-opt-out/_config.js b/test/runtime/samples/loop-protect-generator-opt-out/_config.js
index 9b6a24b513..0fe83a36db 100644
--- a/test/runtime/samples/loop-protect-generator-opt-out/_config.js
+++ b/test/runtime/samples/loop-protect-generator-opt-out/_config.js
@@ -1,6 +1,6 @@
 export default {
 	compileOptions: {
 		dev: true,
-		loopGuardTimeout: 1,
-	},
+		loopGuardTimeout: 1
+	}
 };
diff --git a/test/runtime/samples/loop-protect-inner-function/_config.js b/test/runtime/samples/loop-protect-inner-function/_config.js
index 862d4f4c0f..1b553e2475 100644
--- a/test/runtime/samples/loop-protect-inner-function/_config.js
+++ b/test/runtime/samples/loop-protect-inner-function/_config.js
@@ -2,6 +2,6 @@ export default {
 	html: '<div></div>',
 	compileOptions: {
 		dev: true,
-		loopGuardTimeout: 100,
+		loopGuardTimeout: 100
 	}
 };
diff --git a/test/runtime/samples/loop-protect/_config.js b/test/runtime/samples/loop-protect/_config.js
index 75f75c003d..230bbeb53d 100644
--- a/test/runtime/samples/loop-protect/_config.js
+++ b/test/runtime/samples/loop-protect/_config.js
@@ -2,6 +2,6 @@ export default {
 	error: 'Infinite loop detected',
 	compileOptions: {
 		dev: true,
-		loopGuardTimeout: 100,
+		loopGuardTimeout: 100
 	}
 };
diff --git a/test/runtime/samples/nested-transition-detach-each/_config.js b/test/runtime/samples/nested-transition-detach-each/_config.js
index e17fe1bc4d..00c2d44048 100644
--- a/test/runtime/samples/nested-transition-detach-each/_config.js
+++ b/test/runtime/samples/nested-transition-detach-each/_config.js
@@ -35,5 +35,5 @@ export default {
 		raf.tick(0);
 		raf.tick(100);
 		assert.htmlEqual(target.innerHTML, ``);
-	},
+	}
 };
diff --git a/test/runtime/samples/nested-transition-detach-if-false/_config.js b/test/runtime/samples/nested-transition-detach-if-false/_config.js
index d2ae78ffe3..1d42094192 100644
--- a/test/runtime/samples/nested-transition-detach-if-false/_config.js
+++ b/test/runtime/samples/nested-transition-detach-if-false/_config.js
@@ -20,5 +20,5 @@ export default {
 				<span>a</span>
 			</li>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js b/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
index 6696389e6e..30ff83b39f 100644
--- a/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
+++ b/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
@@ -20,5 +20,5 @@ export default {
 		};
 
 		component.value = 'two';
-	},
+	}
 };
diff --git a/test/runtime/samples/noscript-removal/_config.js b/test/runtime/samples/noscript-removal/_config.js
index 35bdcefd96..709792c14a 100644
--- a/test/runtime/samples/noscript-removal/_config.js
+++ b/test/runtime/samples/noscript-removal/_config.js
@@ -5,5 +5,5 @@ export default {
 	<div>foo</div>
 
 	<div>foo<div>foo</div></div>
-`,
+`
 };
diff --git a/test/runtime/samples/paren-wrapped-expressions/_config.js b/test/runtime/samples/paren-wrapped-expressions/_config.js
index 0c757dc854..972dc51cb0 100644
--- a/test/runtime/samples/paren-wrapped-expressions/_config.js
+++ b/test/runtime/samples/paren-wrapped-expressions/_config.js
@@ -2,7 +2,7 @@ export default {
 	props: {
 		a: 'foo',
 		b: true,
-		c: [ 1, 2, 3 ],
+		c: [ 1, 2, 3 ]
 	},
 
 	html: `
diff --git a/test/runtime/samples/prop-exports/_config.js b/test/runtime/samples/prop-exports/_config.js
index e1620c015f..69a40c4fab 100644
--- a/test/runtime/samples/prop-exports/_config.js
+++ b/test/runtime/samples/prop-exports/_config.js
@@ -10,7 +10,7 @@ export default {
 		a2: 4,
 		a6: writable(29),
 		for: 'loop',
-		continue: '...',
+		continue: '...'
 	},
 
 	html: `
diff --git a/test/runtime/samples/raw-mustaches-td-tr/_config.js b/test/runtime/samples/raw-mustaches-td-tr/_config.js
index dfcb1ce0f0..1bcad157f3 100644
--- a/test/runtime/samples/raw-mustaches-td-tr/_config.js
+++ b/test/runtime/samples/raw-mustaches-td-tr/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		raw: "<tr><td>1</td><td>2</td></tr>",
+		raw: "<tr><td>1</td><td>2</td></tr>"
 	},
 
 	html: `
@@ -14,5 +14,5 @@ export default {
 				</tr>
 			</tbody>
 		</table>
-	`,
+	`
 };
diff --git a/test/runtime/samples/reactive-function-called-reassigned/_config.js b/test/runtime/samples/reactive-function-called-reassigned/_config.js
index 317173f8eb..7b2a8b72fe 100644
--- a/test/runtime/samples/reactive-function-called-reassigned/_config.js
+++ b/test/runtime/samples/reactive-function-called-reassigned/_config.js
@@ -7,7 +7,7 @@ function callback(_value) {
 
 export default {
 	props: {
-		callback,
+		callback
 	},
 	async test({ assert, component, target, window }) {
 		assert.equal(called, 1);
diff --git a/test/runtime/samples/reactive-import-statement/_config.js b/test/runtime/samples/reactive-import-statement/_config.js
index 7fb8097ca5..45a844afa0 100644
--- a/test/runtime/samples/reactive-import-statement/_config.js
+++ b/test/runtime/samples/reactive-import-statement/_config.js
@@ -11,7 +11,7 @@ export default {
 	before_test() {
 		delete require.cache[path.resolve(__dirname, 'data.js')];
 	},
-	async test({ assert, target, window, }) {
+	async test({ assert, target, window }) {
 		const btn = target.querySelector('button');
 		const clickEvent = new window.MouseEvent('click');
 
diff --git a/test/runtime/samples/self-reference-component/_config.js b/test/runtime/samples/self-reference-component/_config.js
index e3e0ad3a4f..e9cd0ac440 100644
--- a/test/runtime/samples/self-reference-component/_config.js
+++ b/test/runtime/samples/self-reference-component/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: '5 4 3 2 1 0',
+	html: '5 4 3 2 1 0'
 };
\ No newline at end of file
diff --git a/test/runtime/samples/set-undefined-attr/_config.js b/test/runtime/samples/set-undefined-attr/_config.js
index b23f51dfc9..a0df368e65 100644
--- a/test/runtime/samples/set-undefined-attr/_config.js
+++ b/test/runtime/samples/set-undefined-attr/_config.js
@@ -1,5 +1,5 @@
 export default {
 	html: `<div draggable='false'></div>`,
 
-	ssrHtml: `<div foo='1' draggable='false'></div>`,
+	ssrHtml: `<div foo='1' draggable='false'></div>`
 };
diff --git a/test/runtime/samples/sigil-component-prop/_config.js b/test/runtime/samples/sigil-component-prop/_config.js
index 2f467bb9d4..9f84a59994 100644
--- a/test/runtime/samples/sigil-component-prop/_config.js
+++ b/test/runtime/samples/sigil-component-prop/_config.js
@@ -3,5 +3,5 @@ export default {
 		dev: true
 	},
 	props: { foo: 'foo' },
-	html: `<div>foo @ foo # foo</div>`,
+	html: `<div>foo @ foo # foo</div>`
 };
diff --git a/test/runtime/samples/slot-if-block-update-no-anchor/_config.js b/test/runtime/samples/slot-if-block-update-no-anchor/_config.js
index 060cbaa619..58d2b49ade 100644
--- a/test/runtime/samples/slot-if-block-update-no-anchor/_config.js
+++ b/test/runtime/samples/slot-if-block-update-no-anchor/_config.js
@@ -3,5 +3,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `<span></span>`);
 		component.enabled = true;
 		assert.htmlEqual(target.innerHTML, `<span>enabled</span>`);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-component-2/_config.js b/test/runtime/samples/spread-component-2/_config.js
index 6d36e8e60d..e5441bc4b9 100644
--- a/test/runtime/samples/spread-component-2/_config.js
+++ b/test/runtime/samples/spread-component-2/_config.js
@@ -10,7 +10,7 @@ export default {
 			baz: 50 + 2,
 			qux: 1,
 			quux: 'quuxx'
-		}],
+		}]
 	},
 
 	html: `
diff --git a/test/runtime/samples/spread-component-dynamic-non-object-multiple-dependencies/_config.js b/test/runtime/samples/spread-component-dynamic-non-object-multiple-dependencies/_config.js
index c5e23a023c..d7ad47b01f 100644
--- a/test/runtime/samples/spread-component-dynamic-non-object-multiple-dependencies/_config.js
+++ b/test/runtime/samples/spread-component-dynamic-non-object-multiple-dependencies/_config.js
@@ -2,7 +2,7 @@ export default {
 	props: {
 		props: {
 			foo: 'lol',
-			baz: 40 + 2,
+			baz: 40 + 2
 		}
 	},
 
diff --git a/test/runtime/samples/spread-component-dynamic-non-object/_config.js b/test/runtime/samples/spread-component-dynamic-non-object/_config.js
index 094f2fbb9b..fa8de8ad94 100644
--- a/test/runtime/samples/spread-component-dynamic-non-object/_config.js
+++ b/test/runtime/samples/spread-component-dynamic-non-object/_config.js
@@ -2,7 +2,7 @@ export default {
 	props: {
 		props: {
 			foo: 'lol',
-			baz: 40 + 2,
+			baz: 40 + 2
 		}
 	},
 
diff --git a/test/runtime/samples/spread-component-dynamic-undefined/_config.js b/test/runtime/samples/spread-component-dynamic-undefined/_config.js
index 09e5f87c14..e7e205a34b 100644
--- a/test/runtime/samples/spread-component-dynamic-undefined/_config.js
+++ b/test/runtime/samples/spread-component-dynamic-undefined/_config.js
@@ -1,17 +1,17 @@
 export default {
 	props: {
 		props: {
-			a: 1,
-		},
+			a: 1
+		}
 	},
 
 	html: ``,
 
 	test({ assert, component, target }) {
 		component.props = {
-			a: 2,
+			a: 2
 		};
 
 		assert.htmlEqual(target.innerHTML, ``);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-component-dynamic/_config.js b/test/runtime/samples/spread-component-dynamic/_config.js
index a6bf952ae0..08df27e1c2 100644
--- a/test/runtime/samples/spread-component-dynamic/_config.js
+++ b/test/runtime/samples/spread-component-dynamic/_config.js
@@ -1,8 +1,8 @@
 export default {
 	props: {
 		props: {
-			a: 1,
-		},
+			a: 1
+		}
 	},
 
 	html: `
@@ -11,9 +11,9 @@ export default {
 
 	test({ assert, component, target }) {
 		component.props = {
-			a: 2,
+			a: 2
 		};
 
 		assert.htmlEqual(target.innerHTML, `<p>a: 2</p>`);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-component-multiple-dependencies/_config.js b/test/runtime/samples/spread-component-multiple-dependencies/_config.js
index bc05f31130..070916ebd8 100644
--- a/test/runtime/samples/spread-component-multiple-dependencies/_config.js
+++ b/test/runtime/samples/spread-component-multiple-dependencies/_config.js
@@ -6,5 +6,5 @@ export default {
 			target.innerHTML,
 			`a baz`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-each-component/_config.js b/test/runtime/samples/spread-each-component/_config.js
index bc4d8ee7a4..66d2381875 100644
--- a/test/runtime/samples/spread-each-component/_config.js
+++ b/test/runtime/samples/spread-each-component/_config.js
@@ -20,5 +20,5 @@ export default {
 			<div data-a="3" data-b="4"></div>
 			<div data-a="1" data-b="2"></div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-each-element/_config.js b/test/runtime/samples/spread-each-element/_config.js
index 5dbd82a892..579f840099 100644
--- a/test/runtime/samples/spread-each-element/_config.js
+++ b/test/runtime/samples/spread-each-element/_config.js
@@ -20,5 +20,5 @@ export default {
 			<div data-c="3" data-d="4"></div>
 			<div data-a="1" data-b="2"></div>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-element-boolean/_config.js b/test/runtime/samples/spread-element-boolean/_config.js
index 3ee277eec4..d336dae029 100644
--- a/test/runtime/samples/spread-element-boolean/_config.js
+++ b/test/runtime/samples/spread-element-boolean/_config.js
@@ -21,5 +21,5 @@ export default {
 			`<button>click me</button>`
 		);
 		assert.ok(!button.disabled);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-element-multiple-dependencies/_config.js b/test/runtime/samples/spread-element-multiple-dependencies/_config.js
index 69ef1f8ebe..480eb6621c 100644
--- a/test/runtime/samples/spread-element-multiple-dependencies/_config.js
+++ b/test/runtime/samples/spread-element-multiple-dependencies/_config.js
@@ -6,5 +6,5 @@ export default {
 			target.innerHTML,
 			`<div class='a' title='baz'></div>`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/spread-element-multiple/_config.js b/test/runtime/samples/spread-element-multiple/_config.js
index 641f74d727..0c04b16d40 100644
--- a/test/runtime/samples/spread-element-multiple/_config.js
+++ b/test/runtime/samples/spread-element-multiple/_config.js
@@ -2,12 +2,12 @@ export default {
 	props: {
 		a: {
 			'data-one': 1,
-			'data-two': 2,
+			'data-two': 2
 		},
 		c: {
-			'data-b': 'overridden',
+			'data-b': 'overridden'
 		},
-		d: 'deeeeee',
+		d: 'deeeeee'
 	},
 
 	html: `
@@ -27,5 +27,5 @@ export default {
 			target.innerHTML,
 			`<div data-one="10" data-b="b" data-c="new" data-d="DEEEEEE" >test</div>`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/store-auto-subscribe-event-callback/_config.js b/test/runtime/samples/store-auto-subscribe-event-callback/_config.js
index 747ed3e4ad..7897036809 100644
--- a/test/runtime/samples/store-auto-subscribe-event-callback/_config.js
+++ b/test/runtime/samples/store-auto-subscribe-event-callback/_config.js
@@ -18,5 +18,5 @@ export default {
 		Dirty: true
 		Valid: true
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/store-resubscribe-b/_config.js b/test/runtime/samples/store-resubscribe-b/_config.js
index d043bbcd87..dd11a863f2 100644
--- a/test/runtime/samples/store-resubscribe-b/_config.js
+++ b/test/runtime/samples/store-resubscribe-b/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `42`,
+	html: `42`
 };
diff --git a/test/runtime/samples/store-resubscribe-export/_config.js b/test/runtime/samples/store-resubscribe-export/_config.js
index b6e6f11344..3c8473b3e1 100644
--- a/test/runtime/samples/store-resubscribe-export/_config.js
+++ b/test/runtime/samples/store-resubscribe-export/_config.js
@@ -6,14 +6,14 @@ const fakeStore = val => ({
 		return {
 			unsubscribe: () => {
 				subscribeCalled = true;
-			},
+			}
 		};
-	},
+	}
 });
 
 export default {
 	props: {
-		foo: fakeStore(1),
+		foo: fakeStore(1)
 	},
 	html: `
 		<h1>1</h1>
@@ -23,5 +23,5 @@ export default {
 		component.foo = fakeStore(5);
 
 		return assert.htmlEqual(target.innerHTML, `<h1>5</h1>`);
-	},
+	}
 };
diff --git a/test/runtime/samples/store-resubscribe-observable/_config.js b/test/runtime/samples/store-resubscribe-observable/_config.js
index d043bbcd87..dd11a863f2 100644
--- a/test/runtime/samples/store-resubscribe-observable/_config.js
+++ b/test/runtime/samples/store-resubscribe-observable/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `42`,
+	html: `42`
 };
diff --git a/test/runtime/samples/svg-tspan-preserve-space/_config.js b/test/runtime/samples/svg-tspan-preserve-space/_config.js
index 283af0a2b0..5de74fc012 100644
--- a/test/runtime/samples/svg-tspan-preserve-space/_config.js
+++ b/test/runtime/samples/svg-tspan-preserve-space/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<svg><text x=0 y=50><tspan>foo</tspan> bar<tspan>foo</tspan> bar</text></svg>`,
+	html: `<svg><text x=0 y=50><tspan>foo</tspan> bar<tspan>foo</tspan> bar</text></svg>`
 };
diff --git a/test/runtime/samples/transition-css-deferred-removal/_config.js b/test/runtime/samples/transition-css-deferred-removal/_config.js
index cd9dbfeb73..763f004835 100644
--- a/test/runtime/samples/transition-css-deferred-removal/_config.js
+++ b/test/runtime/samples/transition-css-deferred-removal/_config.js
@@ -20,5 +20,5 @@ export default {
 			outer.style.animation,
 			inner.style.animation
 		], animations);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-css-duration/_config.js b/test/runtime/samples/transition-css-duration/_config.js
index 28a78944bb..a448c3f164 100644
--- a/test/runtime/samples/transition-css-duration/_config.js
+++ b/test/runtime/samples/transition-css-duration/_config.js
@@ -9,5 +9,5 @@ export default {
 
 		raf.tick(26);
 		assert.ok(~div.style.animation.indexOf('25ms'));
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-css-iframe/_config.js b/test/runtime/samples/transition-css-iframe/_config.js
index 507efe44f4..612ee8e5ba 100644
--- a/test/runtime/samples/transition-css-iframe/_config.js
+++ b/test/runtime/samples/transition-css-iframe/_config.js
@@ -14,5 +14,5 @@ export default {
 
 		raf.tick(26);
 		assert.ok(~div.style.animation.indexOf('25ms'));
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-css-in-out-in/_config.js b/test/runtime/samples/transition-css-in-out-in/_config.js
index 10719280e9..a7404318e4 100644
--- a/test/runtime/samples/transition-css-in-out-in/_config.js
+++ b/test/runtime/samples/transition-css-in-out-in/_config.js
@@ -16,5 +16,5 @@ export default {
 
 		// reset original styles
 		assert.equal(div.style.animation, `__svelte_3809512021_1 100ms linear 0ms 1 both`);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-aborted-outro-in-each/_config.js b/test/runtime/samples/transition-js-aborted-outro-in-each/_config.js
index e78862e86c..75843d624e 100644
--- a/test/runtime/samples/transition-js-aborted-outro-in-each/_config.js
+++ b/test/runtime/samples/transition-js-aborted-outro-in-each/_config.js
@@ -35,5 +35,5 @@ export default {
 		assert.equal(spans[0].foo, 1);
 		assert.equal(spans[1].foo, 1);
 		assert.equal(spans[2].foo, 1);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-aborted-outro/_config.js b/test/runtime/samples/transition-js-aborted-outro/_config.js
index d61407e1bd..7ecc212739 100644
--- a/test/runtime/samples/transition-js-aborted-outro/_config.js
+++ b/test/runtime/samples/transition-js-aborted-outro/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		visible: true,
+		visible: true
 	},
 
 	test({ assert, component, target, raf }) {
@@ -20,5 +20,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `
 			<span>hello</span>
 		`);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-deferred-b/_config.js b/test/runtime/samples/transition-js-deferred-b/_config.js
index 05929964cd..031943f6e3 100644
--- a/test/runtime/samples/transition-js-deferred-b/_config.js
+++ b/test/runtime/samples/transition-js-deferred-b/_config.js
@@ -9,5 +9,5 @@ export default {
 			raf.tick(50);
 			assert.equal(div.foo, 0.5);
 		});
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-deferred/_config.js b/test/runtime/samples/transition-js-deferred/_config.js
index 9d6833d2f4..9e4c0e82bb 100644
--- a/test/runtime/samples/transition-js-deferred/_config.js
+++ b/test/runtime/samples/transition-js-deferred/_config.js
@@ -9,5 +9,5 @@ export default {
 			raf.tick(50);
 			assert.equal(div.foo, 0.5);
 		});
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-destroyed-before-end/_config.js b/test/runtime/samples/transition-js-destroyed-before-end/_config.js
index 7cedf8519a..59615bd7a5 100644
--- a/test/runtime/samples/transition-js-destroyed-before-end/_config.js
+++ b/test/runtime/samples/transition-js-destroyed-before-end/_config.js
@@ -13,5 +13,5 @@ export default {
 		component.$destroy();
 
 		raf.tick(100);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-dynamic-component/_config.js b/test/runtime/samples/transition-js-dynamic-component/_config.js
index c7affda071..1c1c7ff8c3 100644
--- a/test/runtime/samples/transition-js-dynamic-component/_config.js
+++ b/test/runtime/samples/transition-js-dynamic-component/_config.js
@@ -1,6 +1,6 @@
 export default {
 	props: {
-		x: true,
+		x: true
 	},
 
 	html: `
diff --git a/test/runtime/samples/transition-js-if-outro-unrelated-component-binding-update/_config.js b/test/runtime/samples/transition-js-if-outro-unrelated-component-binding-update/_config.js
index 8a6269ad60..825ea56308 100644
--- a/test/runtime/samples/transition-js-if-outro-unrelated-component-binding-update/_config.js
+++ b/test/runtime/samples/transition-js-if-outro-unrelated-component-binding-update/_config.js
@@ -5,5 +5,5 @@ export default {
 		await button.dispatchEvent(event);
 		raf.tick(500);
 		assert.htmlEqual(target.innerHTML, "");
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-if-outro-unrelated-component-store-update/_config.js b/test/runtime/samples/transition-js-if-outro-unrelated-component-store-update/_config.js
index 41d28fabf0..4f7dc07510 100644
--- a/test/runtime/samples/transition-js-if-outro-unrelated-component-store-update/_config.js
+++ b/test/runtime/samples/transition-js-if-outro-unrelated-component-store-update/_config.js
@@ -3,5 +3,5 @@ export default {
 		await component.condition.set(false);
 		raf.tick(500);
 		assert.htmlEqual(target.innerHTML, "");
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-intro-enabled-by-option/_config.js b/test/runtime/samples/transition-js-intro-enabled-by-option/_config.js
index 4b5f1cf987..af8e957b19 100644
--- a/test/runtime/samples/transition-js-intro-enabled-by-option/_config.js
+++ b/test/runtime/samples/transition-js-intro-enabled-by-option/_config.js
@@ -9,5 +9,5 @@ export default {
 
 		raf.tick(50);
 		assert.equal(div.foo, 0.5);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-intro-skipped-by-default-nested/_config.js b/test/runtime/samples/transition-js-intro-skipped-by-default-nested/_config.js
index 26bf248d57..e209e0a80c 100644
--- a/test/runtime/samples/transition-js-intro-skipped-by-default-nested/_config.js
+++ b/test/runtime/samples/transition-js-intro-skipped-by-default-nested/_config.js
@@ -5,5 +5,5 @@ export default {
 
 		raf.tick(50);
 		assert.equal(div.foo, undefined);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-intro-skipped-by-default/_config.js b/test/runtime/samples/transition-js-intro-skipped-by-default/_config.js
index 26bf248d57..e209e0a80c 100644
--- a/test/runtime/samples/transition-js-intro-skipped-by-default/_config.js
+++ b/test/runtime/samples/transition-js-intro-skipped-by-default/_config.js
@@ -5,5 +5,5 @@ export default {
 
 		raf.tick(50);
 		assert.equal(div.foo, undefined);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-local-and-global/_config.js b/test/runtime/samples/transition-js-local-and-global/_config.js
index b7f8baa7ee..09aefb6913 100644
--- a/test/runtime/samples/transition-js-local-and-global/_config.js
+++ b/test/runtime/samples/transition-js-local-and-global/_config.js
@@ -63,5 +63,5 @@ export default {
 
 		raf.tick(400);
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-local-nested-each-keyed/_config.js b/test/runtime/samples/transition-js-local-nested-each-keyed/_config.js
index 0595e67013..14ad247187 100644
--- a/test/runtime/samples/transition-js-local-nested-each-keyed/_config.js
+++ b/test/runtime/samples/transition-js-local-nested-each-keyed/_config.js
@@ -26,5 +26,5 @@ export default {
 
 		component.x = false;
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-local-nested-each/_config.js b/test/runtime/samples/transition-js-local-nested-each/_config.js
index 0595e67013..14ad247187 100644
--- a/test/runtime/samples/transition-js-local-nested-each/_config.js
+++ b/test/runtime/samples/transition-js-local-nested-each/_config.js
@@ -26,5 +26,5 @@ export default {
 
 		component.x = false;
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-local-nested-if/_config.js b/test/runtime/samples/transition-js-local-nested-if/_config.js
index d1550c0cff..9f4e5a0bb0 100644
--- a/test/runtime/samples/transition-js-local-nested-if/_config.js
+++ b/test/runtime/samples/transition-js-local-nested-if/_config.js
@@ -36,5 +36,5 @@ export default {
 
 		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-local/_config.js b/test/runtime/samples/transition-js-local/_config.js
index fa8a55bfcd..5f9cf9048a 100644
--- a/test/runtime/samples/transition-js-local/_config.js
+++ b/test/runtime/samples/transition-js-local/_config.js
@@ -36,5 +36,5 @@ export default {
 
 		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-nested-each-keyed-2/_config.js b/test/runtime/samples/transition-js-nested-each-keyed-2/_config.js
index d6566ba61c..c2d782c0f2 100644
--- a/test/runtime/samples/transition-js-nested-each-keyed-2/_config.js
+++ b/test/runtime/samples/transition-js-nested-each-keyed-2/_config.js
@@ -7,5 +7,5 @@ export default {
 	test({ assert, component, target, window, raf }) {
 		component.x = false;
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-nested-each-keyed/_config.js b/test/runtime/samples/transition-js-nested-each-keyed/_config.js
index 3d2fe3c32e..5ec416afd9 100644
--- a/test/runtime/samples/transition-js-nested-each-keyed/_config.js
+++ b/test/runtime/samples/transition-js-nested-each-keyed/_config.js
@@ -21,5 +21,5 @@ export default {
 
 		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-nested-each/_config.js b/test/runtime/samples/transition-js-nested-each/_config.js
index c21024dd69..a74aba5610 100644
--- a/test/runtime/samples/transition-js-nested-each/_config.js
+++ b/test/runtime/samples/transition-js-nested-each/_config.js
@@ -21,5 +21,5 @@ export default {
 
 		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-nested-if/_config.js b/test/runtime/samples/transition-js-nested-if/_config.js
index 2fdd17da93..7d48077aca 100644
--- a/test/runtime/samples/transition-js-nested-if/_config.js
+++ b/test/runtime/samples/transition-js-nested-if/_config.js
@@ -21,5 +21,5 @@ export default {
 
 		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, '');
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-parameterised-with-state/_config.js b/test/runtime/samples/transition-js-parameterised-with-state/_config.js
index 64e40dc63d..b143e8fdd6 100644
--- a/test/runtime/samples/transition-js-parameterised-with-state/_config.js
+++ b/test/runtime/samples/transition-js-parameterised-with-state/_config.js
@@ -15,5 +15,5 @@ export default {
 		assert.equal(div.foo, 200);
 
 		raf.tick(101);
-	},
+	}
 };
diff --git a/test/runtime/samples/transition-js-parameterised/_config.js b/test/runtime/samples/transition-js-parameterised/_config.js
index 1370905547..6655cd374d 100644
--- a/test/runtime/samples/transition-js-parameterised/_config.js
+++ b/test/runtime/samples/transition-js-parameterised/_config.js
@@ -11,5 +11,5 @@ export default {
 		assert.equal(div.foo, 200);
 
 		raf.tick(101);
-	},
+	}
 };
diff --git a/test/runtime/samples/unchanged-expression-escape/_config.js b/test/runtime/samples/unchanged-expression-escape/_config.js
index 11a54c0fe9..38c5728a06 100644
--- a/test/runtime/samples/unchanged-expression-escape/_config.js
+++ b/test/runtime/samples/unchanged-expression-escape/_config.js
@@ -3,5 +3,5 @@ export default {
 		<p>Hello world, what's up? this & that</p>
 		<p>Hello world, what's up? this & that</p>
 		<p>Hello world, what's up?<span></span> this & that</p>
-	`,
+	`
 };
diff --git a/test/runtime/samples/unchanged-expression-xss/_config.js b/test/runtime/samples/unchanged-expression-xss/_config.js
index fa5453dbf3..492be2ab49 100644
--- a/test/runtime/samples/unchanged-expression-xss/_config.js
+++ b/test/runtime/samples/unchanged-expression-xss/_config.js
@@ -1,3 +1,3 @@
 export default {
-	html: `<p>&lt;b\nstyle='color:\nred;'&gt;RED?!?&lt;/b&gt;</p>`,
+	html: `<p>&lt;b\nstyle='color:\nred;'&gt;RED?!?&lt;/b&gt;</p>`
 };
diff --git a/test/runtime/samples/whitespace-list/_config.js b/test/runtime/samples/whitespace-list/_config.js
index 0b96503508..1ba852726c 100644
--- a/test/runtime/samples/whitespace-list/_config.js
+++ b/test/runtime/samples/whitespace-list/_config.js
@@ -18,5 +18,5 @@ export default {
 		const ul = target.querySelector('ul');
 
 		assert.equal(ul.childNodes.length, 5);
-	},
+	}
 };
diff --git a/test/runtime/samples/window-bind-scroll-update/_config.js b/test/runtime/samples/window-bind-scroll-update/_config.js
index cb13ea11c2..384919d199 100644
--- a/test/runtime/samples/window-bind-scroll-update/_config.js
+++ b/test/runtime/samples/window-bind-scroll-update/_config.js
@@ -33,5 +33,5 @@ export default {
 
 		clock.flush();
 		assert.equal(window.pageYOffset, 100);
-	},
+	}
 };
diff --git a/test/runtime/samples/window-binding-scroll-store/_config.js b/test/runtime/samples/window-binding-scroll-store/_config.js
index dbab4b36ac..d1ad2ae766 100644
--- a/test/runtime/samples/window-binding-scroll-store/_config.js
+++ b/test/runtime/samples/window-binding-scroll-store/_config.js
@@ -4,8 +4,8 @@ export default {
 		Object.defineProperties(window, {
 			pageYOffset: {
 				value: 0,
-				configurable: true,
-			},
+				configurable: true
+			}
 		});
 	},
 	async test({ assert, component, target, window }) {
@@ -15,8 +15,8 @@ export default {
 		Object.defineProperties(window, {
 			pageYOffset: {
 				value: 234,
-				configurable: true,
-			},
+				configurable: true
+			}
 		});
 
 		await window.dispatchEvent(event);
@@ -25,5 +25,5 @@ export default {
 			target.innerHTML,
 			`<p style="position: fixed; top: 1em; left: 1em;">scroll\ny\nis\n234.\n234\n*\n234\n=\n54756</p><div style="height: 9999px;"></div>`
 		);
-	},
+	}
 };
diff --git a/test/runtime/samples/window-event-custom/_config.js b/test/runtime/samples/window-event-custom/_config.js
index 1c1075c0de..8a12e07eda 100644
--- a/test/runtime/samples/window-event-custom/_config.js
+++ b/test/runtime/samples/window-event-custom/_config.js
@@ -11,5 +11,5 @@ export default {
 		assert.htmlEqual(target.innerHTML, `
 			<p>escaped: true</p>
 		`);
-	},
+	}
 };
diff --git a/test/vars/samples/assumed-global/_config.js b/test/vars/samples/assumed-global/_config.js
index 2b84e83f12..782760bb8b 100644
--- a/test/vars/samples/assumed-global/_config.js
+++ b/test/vars/samples/assumed-global/_config.js
@@ -1,5 +1,5 @@
 export default {
 	test(assert, vars) {
 		assert.deepEqual(vars, []);
-	},
+	}
 };
diff --git a/test/vars/samples/duplicate-globals/_config.js b/test/vars/samples/duplicate-globals/_config.js
index 2b84e83f12..782760bb8b 100644
--- a/test/vars/samples/duplicate-globals/_config.js
+++ b/test/vars/samples/duplicate-globals/_config.js
@@ -1,5 +1,5 @@
 export default {
 	test(assert, vars) {
 		assert.deepEqual(vars, []);
-	},
+	}
 };
diff --git a/test/vars/samples/duplicate-non-hoistable/_config.js b/test/vars/samples/duplicate-non-hoistable/_config.js
index 4ebc5b00cf..bd70e29800 100644
--- a/test/vars/samples/duplicate-non-hoistable/_config.js
+++ b/test/vars/samples/duplicate-non-hoistable/_config.js
@@ -13,5 +13,5 @@ export default {
 				writable: true
 			}
 		]);
-	},
+	}
 };
diff --git a/test/vars/samples/duplicate-vars/_config.js b/test/vars/samples/duplicate-vars/_config.js
index eb10c44a9a..749a0c59af 100644
--- a/test/vars/samples/duplicate-vars/_config.js
+++ b/test/vars/samples/duplicate-vars/_config.js
@@ -24,5 +24,5 @@ export default {
 				writable: true
 			}
 		]);
-	},
+	}
 };
diff --git a/test/vars/samples/implicit-reactive/_config.js b/test/vars/samples/implicit-reactive/_config.js
index 770de590e6..a8bf261d4f 100644
--- a/test/vars/samples/implicit-reactive/_config.js
+++ b/test/vars/samples/implicit-reactive/_config.js
@@ -24,5 +24,5 @@ export default {
 				writable: true
 			}
 		]);
-	},
+	}
 };
diff --git a/test/vars/samples/referenced-from-script/_config.js b/test/vars/samples/referenced-from-script/_config.js
index 191a52f8cc..ec068cb1d7 100644
--- a/test/vars/samples/referenced-from-script/_config.js
+++ b/test/vars/samples/referenced-from-script/_config.js
@@ -10,7 +10,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: false,
-				referenced_from_script: false,
+				referenced_from_script: false
 			},
 			{
 				name: 'j',
@@ -21,7 +21,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: false,
-				referenced_from_script: false,
+				referenced_from_script: false
 			},
 			{
 				name: 'k',
@@ -32,7 +32,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: false,
-				referenced_from_script: false,
+				referenced_from_script: false
 			},
 			{
 				name: 'a',
@@ -43,7 +43,7 @@ export default {
 				reassigned: true,
 				referenced: false,
 				writable: true,
-				referenced_from_script: true,
+				referenced_from_script: true
 			},
 			{
 				name: 'b',
@@ -54,7 +54,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: true,
-				referenced_from_script: true,
+				referenced_from_script: true
 			},
 			{
 				name: 'c',
@@ -65,7 +65,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: true,
-				referenced_from_script: true,
+				referenced_from_script: true
 			},
 			{
 				name: 'd',
@@ -76,7 +76,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: true,
-				referenced_from_script: true,
+				referenced_from_script: true
 			},
 			{
 				name: 'e',
@@ -87,7 +87,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: true,
-				referenced_from_script: false,
+				referenced_from_script: false
 			},
 			{
 				name: 'f',
@@ -98,7 +98,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: true,
-				referenced_from_script: false,
+				referenced_from_script: false
 			},
 			{
 				name: 'g',
@@ -109,7 +109,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: true,
-				referenced_from_script: true,
+				referenced_from_script: true
 			},
 			{
 				name: 'h',
@@ -120,7 +120,7 @@ export default {
 				reassigned: true,
 				referenced: false,
 				writable: true,
-				referenced_from_script: true,
+				referenced_from_script: true
 			},
 			{
 				name: 'foo',
@@ -131,7 +131,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: false,
-				referenced_from_script: false,
+				referenced_from_script: false
 			},
 			{
 				name: 'l',
@@ -142,7 +142,7 @@ export default {
 				reassigned: false,
 				referenced: false,
 				referenced_from_script: true,
-				writable: false,
+				writable: false
 			},
 			{
 				name: 'bar',
@@ -153,8 +153,8 @@ export default {
 				reassigned: false,
 				referenced: false,
 				writable: false,
-				referenced_from_script: false,
-			},
+				referenced_from_script: false
+			}
 		]);
-	},
+	}
 };
diff --git a/test/vars/samples/template-references/_config.js b/test/vars/samples/template-references/_config.js
index 674e351517..34c07e19e0 100644
--- a/test/vars/samples/template-references/_config.js
+++ b/test/vars/samples/template-references/_config.js
@@ -10,7 +10,7 @@ export default {
 				reassigned: false,
 				referenced: true,
 				referenced_from_script: false,
-				writable: false,
+				writable: false
 			},
 			{
 				export_name: null,
@@ -21,7 +21,7 @@ export default {
 				reassigned: false,
 				referenced: true,
 				referenced_from_script: false,
-				writable: true,
+				writable: true
 			},
 			{
 				export_name: null,
@@ -32,8 +32,8 @@ export default {
 				reassigned: false,
 				referenced: true,
 				referenced_from_script: false,
-				writable: true,
-			},
+				writable: true
+			}
 		]);
-	},
+	}
 };
diff --git a/test/vars/samples/undeclared/_config.js b/test/vars/samples/undeclared/_config.js
index 2b84e83f12..782760bb8b 100644
--- a/test/vars/samples/undeclared/_config.js
+++ b/test/vars/samples/undeclared/_config.js
@@ -1,5 +1,5 @@
 export default {
 	test(assert, vars) {
 		assert.deepEqual(vars, []);
-	},
+	}
 };