feat: use typescript-eslint@v6's reworked configs (#7425)

.eslintignore

@@ -1,4 +1,5 @@
 **/*.d.ts
+packages/**/*.min.js
 packages/**/dist/**/*
 packages/**/fixtures/**/*
 packages/webapi/**/*

.eslintrc.cjs

@@ -1,23 +1,53 @@
 module.exports = {
+  extends: [
+    'plugin:@typescript-eslint/recommended-type-checked',
+    'plugin:@typescript-eslint/stylistic-type-checked',
+    'prettier',
+  ],
   parser: '@typescript-eslint/parser',
-  extends: ['plugin:@typescript-eslint/recommended', 'prettier'],
+  parserOptions: {
+    project: ['./packages/*/tsconfig.json', './tsconfig.eslint.json'],
+    tsconfigRootDir: __dirname,
+  },
   plugins: ['@typescript-eslint', 'prettier', 'no-only-tests'],
   rules: {
-    '@typescript-eslint/ban-ts-comment': 'off',
-    '@typescript-eslint/camelcase': 'off',
-    '@typescript-eslint/explicit-module-boundary-types': 'off',
-    '@typescript-eslint/no-empty-function': 'off',
-    '@typescript-eslint/no-explicit-any': 'off',
-    '@typescript-eslint/no-non-null-assertion': 'off',
-    '@typescript-eslint/no-unused-vars': 'off',
-    '@typescript-eslint/no-use-before-define': 'off',
-    '@typescript-eslint/no-var-requires': 'off',
-    '@typescript-eslint/no-this-alias': 'off',
-    'no-console': 'warn',
-    'prefer-const': 'off',
-    'no-shadow': 'off',
-    '@typescript-eslint/no-shadow': ['error'],
+    // These off/configured-differently-by-default rules fit well for us
+    '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
+    '@typescript-eslint/no-unused-vars': ['error', { ignoreRestSiblings: true }],
     'no-only-tests/no-only-tests': 'error',
+    '@typescript-eslint/no-shadow': ['error'],
+    'no-console': 'warn',
+
+    // Todo: do we want these?
+    '@typescript-eslint/array-type': 'off',
+    '@typescript-eslint/ban-ts-comment': 'off',
+    '@typescript-eslint/class-literal-property-style': 'off',
+    '@typescript-eslint/consistent-indexed-object-style': 'off',
+    '@typescript-eslint/consistent-type-definitions': 'off',
+    '@typescript-eslint/dot-notation': 'off',
+    '@typescript-eslint/no-base-to-string': 'off',
+    '@typescript-eslint/no-confusing-void-expression': 'off',
+    '@typescript-eslint/no-empty-function': 'off',
+    '@typescript-eslint/no-floating-promises': 'off',
+    '@typescript-eslint/no-misused-promises': 'off',
+    '@typescript-eslint/no-redundant-type-constituents': 'off',
+    '@typescript-eslint/no-this-alias': 'off',
+    '@typescript-eslint/no-unsafe-argument': 'off',
+    '@typescript-eslint/no-unsafe-assignment': 'off',
+    '@typescript-eslint/no-unsafe-call': 'off',
+    '@typescript-eslint/no-unsafe-member-access': 'off',
+    '@typescript-eslint/no-unsafe-return': 'off',
+    '@typescript-eslint/prefer-nullish-coalescing': 'off',
+    '@typescript-eslint/prefer-string-starts-ends-with': 'off',
+    '@typescript-eslint/require-await': 'off',
+    '@typescript-eslint/restrict-plus-operands': 'off',
+    '@typescript-eslint/restrict-template-expressions': 'off',
+    '@typescript-eslint/sort-type-constituents': 'off',
+    '@typescript-eslint/unbound-method': 'off',
+
+    // These rules enabled by the preset configs don't work well for us
+    '@typescript-eslint/await-thenable': 'off',
+    'prefer-const': 'off',
   },
   overrides: [
     {
@@ -41,6 +71,7 @@ module.exports = {
     {
       files: ['benchmark/**/*.js'],
       rules: {
+        '@typescript-eslint/no-unused-vars': 'off',
         'no-console': 'off',
       },
     },

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ env:
 jobs:
   lint:
     name: Lint
-    timeout-minutes: 3
+    timeout-minutes: 5
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
@@ -50,6 +50,9 @@ jobs:
       - name: Install dependencies
         run: pnpm install
 
+      - name: Build (ignoring failures)
+        run: pnpm run build || true
+
       # Lint autofix cannot run on forks, so just skip those! See https://github.com/wearerequired/lint-action/issues/13
       - name: Lint (External)
         if: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.repo.owner.login != github.repository_owner }}

package.json

@@ -28,7 +28,7 @@
     "test:e2e": "cd packages/astro && pnpm playwright install && pnpm run test:e2e",
     "test:e2e:match": "cd packages/astro && pnpm playwright install && pnpm run test:e2e:match",
     "benchmark": "astro-benchmark",
-    "lint": "eslint --cache .",
+    "lint": "eslint . --report-unused-disable-directives",
     "version": "changeset version && node ./scripts/deps/update-example-versions.js && pnpm install --no-frozen-lockfile && pnpm run format",
     "preinstall": "npx only-allow pnpm"
   },
@@ -78,8 +78,8 @@
     "@changesets/changelog-github": "^0.4.8",
     "@changesets/cli": "^2.26.1",
     "@types/node": "^18.16.18",
-    "@typescript-eslint/eslint-plugin": "^5.60.0",
-    "@typescript-eslint/parser": "^5.60.0",
+    "@typescript-eslint/eslint-plugin": "6.0.0-alpha.158",
+    "@typescript-eslint/parser": "6.0.0-alpha.158",
     "esbuild": "^0.17.19",
     "eslint": "^8.43.0",
     "eslint-config-prettier": "^8.8.0",

packages/astro/astro.js

@@ -1,5 +1,4 @@
 #!/usr/bin/env node
-/* eslint-disable no-console */
 'use strict';
 
 // ISOMORPHIC FILE: NO TOP-LEVEL IMPORT/REQUIRE() ALLOWED

packages/astro/e2e/css-sourcemaps.test.js

@@ -1,5 +1,5 @@
 import { expect } from '@playwright/test';
-import { getColor, isWindows, testFactory } from './test-utils.js';
+import { isWindows, testFactory } from './test-utils.js';
 
 const test = testFactory({
 	root: './fixtures/css/',

packages/astro/e2e/hydration-race.test.js

@@ -19,8 +19,6 @@ test.describe('Hydration race', () => {
 	test('Islands inside of slots hydrate', async ({ page, astro }) => {
 		await page.goto(astro.resolveUrl('/slot'));
 
-		const html = await page.content();
-
 		const one = page.locator('#one');
 		await expect(one, 'updated text').toHaveText('Hello One in the client');
 

packages/astro/e2e/test-utils.js

@@ -18,8 +18,7 @@ for (let i = 0; i < testFiles.length; i++) {
 }
 
 export function loadFixture(inlineConfig) {
-	if (!inlineConfig || !inlineConfig.root)
-		throw new Error("Must provide { root: './fixtures/...' }");
+	if (!inlineConfig?.root) throw new Error("Must provide { root: './fixtures/...' }");
 
 	// resolve the relative root (i.e. "./fixtures/tailwindcss") to a full filepath
 	// without this, the main `loadFixture` helper will resolve relative to `packages/astro/test`

packages/astro/src/assets/image-endpoint.ts

@@ -35,7 +35,7 @@ export const get: APIRoute = async ({ request }) => {
 		const url = new URL(request.url);
 		const transform = await imageService.parseURL(url, imageServiceConfig);
 
-		if (!transform || !transform.src) {
+		if (!transform?.src) {
 			throw new Error('Incorrect transform returned by `parseURL`');
 		}
 

packages/astro/src/assets/services/squoosh.ts

@@ -36,7 +36,7 @@ const service: LocalImageService = {
 	async transform(inputBuffer, transformOptions) {
 		const transform: BaseServiceTransform = transformOptions as BaseServiceTransform;
 
-		let format = transform.format!;
+		let format = transform.format;
 
 		const operations: Operation[] = [];
 

packages/astro/src/assets/services/vendor/squoosh/codecs.ts

@@ -291,7 +291,6 @@ export const codecs = {
   avif: {
     name: 'AVIF',
     extension: 'avif',
-    // eslint-disable-next-line no-control-regex
     detectors: [/^\x00\x00\x00 ftypavif\x00\x00\x00\x00/],
     dec: () =>
       instantiateEmscriptenWasm(avifDec as DecodeModuleFactory, avifDecWasm),
@@ -322,7 +321,6 @@ export const codecs = {
   oxipng: {
     name: 'OxiPNG',
     extension: 'png',
-    // eslint-disable-next-line no-control-regex
     detectors: [/^\x89PNG\x0D\x0A\x1A\x0A/],
     dec: async () => {
       await pngEncDecInit()

packages/astro/src/assets/services/vendor/squoosh/image.ts

@@ -29,14 +29,14 @@ export async function processBuffer(
 
 	switch (encoding) {
 		case 'avif':
-			return await impl.encodeAvif(imageData, { quality }) as Uint8Array;
+			return await impl.encodeAvif(imageData, { quality });
 		case 'jpeg':
 		case 'jpg':
-			return await impl.encodeJpeg(imageData, { quality }) as Uint8Array;
+			return await impl.encodeJpeg(imageData, { quality });
 		case 'png':
-			return await impl.encodePng(imageData) as Uint8Array;
+			return await impl.encodePng(imageData);
 		case 'webp':
-			return await impl.encodeWebp(imageData, { quality }) as Uint8Array;
+			return await impl.encodeWebp(imageData, { quality });
 		default:
 			throw Error(`Unsupported encoding format`)
 	}

packages/astro/src/assets/vendor/image-size/types/jp2.ts

@@ -49,7 +49,6 @@ export const JP2: IImage = {
     switch (nextBoxType) {
     case BoxTypes.rreq:
       // WHAT ARE THESE 4 BYTES?????
-      // eslint-disable-next-line no-case-declarations
       const MAGIC = 4
       offset = offset + 4 + MAGIC + calculateRREQLength(buffer.slice(offset + 4))
       return parseIHDR(buffer.slice(offset + 8, offset + 24))

packages/astro/src/assets/vendor/image-size/types/pnm.ts

@@ -19,7 +19,7 @@ const handlers: { [type: string]: Handler} = {
     let dimensions: string[] = []
 
     while (lines.length > 0) {
-      const line = lines.shift() as string
+      const line = lines.shift()!
       if (line[0] === '#') {
         continue
       }
@@ -39,7 +39,7 @@ const handlers: { [type: string]: Handler} = {
   pam: (lines) => {
     const size: { [key: string]: number } = {}
     while (lines.length > 0) {
-      const line = lines.shift() as string
+      const line = lines.shift()!
       if (line.length > 16 || line.charCodeAt(0) > 128) {
         continue
       }

packages/astro/src/assets/vendor/image-size/types/svg.ts

@@ -41,8 +41,8 @@ function parseLength(len: string) {
 function parseViewbox(viewbox: string): IAttributes {
   const bounds = viewbox.split(' ')
   return {
-    height: parseLength(bounds[3]) as number,
-    width: parseLength(bounds[2]) as number
+    height: parseLength(bounds[3])!,
+    width: parseLength(bounds[2])!
   }
 }
 
@@ -51,21 +51,21 @@ function parseAttributes(root: string): IAttributes {
   const height = root.match(extractorRegExps.height)
   const viewbox = root.match(extractorRegExps.viewbox)
   return {
-    height: height && parseLength(height[2]) as number,
-    viewbox: viewbox && parseViewbox(viewbox[2]) as IAttributes,
-    width: width && parseLength(width[2]) as number,
+    height: height && parseLength(height[2])!,
+    viewbox: viewbox && parseViewbox(viewbox[2])!,
+    width: width && parseLength(width[2])!,
   }
 }
 
 function calculateByDimensions(attrs: IAttributes): ISize {
   return {
-    height: attrs.height as number,
-    width: attrs.width as number,
+    height: attrs.height!,
+    width: attrs.width!,
   }
 }
 
 function calculateByViewbox(attrs: IAttributes, viewbox: IAttributes): ISize {
-  const ratio = (viewbox.width as number) / (viewbox.height as number)
+  const ratio = (viewbox.width!) / (viewbox.height!)
   if (attrs.width) {
     return {
       height: Math.floor(attrs.width / ratio),
@@ -79,8 +79,8 @@ function calculateByViewbox(attrs: IAttributes, viewbox: IAttributes): ISize {
     }
   }
   return {
-    height: viewbox.height as number,
-    width: viewbox.width as number,
+    height: viewbox.height!,
+    width: viewbox.width!,
   }
 }
 

packages/astro/src/assets/vendor/image-size/types/tiff.ts

@@ -44,7 +44,7 @@ function extractTags(buffer: Buffer, isBigEndian: boolean) {
   const tags: {[key: number]: number} = {}
 
   let temp: Buffer | undefined = buffer
-  while (temp && temp.length) {
+  while (temp?.length) {
     const code = readUInt(temp, 16, 0, isBigEndian)
     const type = readUInt(temp, 16, 2, isBigEndian)
     const length = readUInt(temp, 32, 4, isBigEndian)

packages/astro/src/cli/check/index.ts

@@ -1,4 +1,3 @@
-/* eslint-disable no-console */
 import {
 	AstroCheck,
 	DiagnosticSeverity,

packages/astro/src/content/error-map.ts

@@ -14,7 +14,7 @@ export const errorMap: ZodErrorMap = (baseError, ctx) => {
 		// raise a single error when `key` does not match:
 		// > Did not match union.
 		// > key: Expected `'tutorial' | 'blog'`, received 'foo'
-		let typeOrLiteralErrByPath: Map<string, TypeOrLiteralErrByPathEntry> = new Map();
+		let typeOrLiteralErrByPath = new Map<string, TypeOrLiteralErrByPathEntry>();
 		for (const unionError of baseError.unionErrors.map((e) => e.errors).flat()) {
 			if (unionError.code === 'invalid_type' || unionError.code === 'invalid_literal') {
 				const flattenedErrorPath = flattenErrorPath(unionError.path);

packages/astro/src/content/utils.ts

@@ -177,7 +177,7 @@ export function getDataEntryExts(settings: Pick<AstroSettings, 'dataEntryTypes'>
 export function getEntryConfigByExtMap<TEntryType extends ContentEntryType | DataEntryType>(
 	entryTypes: TEntryType[]
 ): Map<string, TEntryType> {
-	const map: Map<string, TEntryType> = new Map();
+	const map = new Map<string, TEntryType>();
 	for (const entryType of entryTypes) {
 		for (const ext of entryType.extensions) {
 			map.set(ext, entryType);
@@ -310,7 +310,7 @@ function getYAMLErrorLine(rawData: string | undefined, objectKey: string) {
 	return numNewlinesBeforeKey;
 }
 
-export function parseFrontmatter(fileContents: string, filePath: string) {
+export function parseFrontmatter(fileContents: string) {
 	try {
 		// `matter` is empty string on cache results
 		// clear cache to prevent this

packages/astro/src/core/app/index.ts

@@ -203,7 +203,7 @@ export class App {
 	): Promise<Response> {
 		const url = new URL(request.url);
 		const pathname = prependForwardSlash(this.removeBase(url.pathname));
-		const info = this.#routeDataToRouteInfo.get(routeData!)!;
+		const info = this.#routeDataToRouteInfo.get(routeData)!;
 		const isCompressHTML = this.#manifest.compressHTML ?? false;
 		// may be used in the future for handling rel=modulepreload, rel=icon, rel=manifest etc.
 		const links = new Set<never>();

packages/astro/src/core/app/node.ts

@@ -34,7 +34,7 @@ class NodeIncomingMessage extends IncomingMessage {
 	/**
 	 * The read-only body property of the Request interface contains a ReadableStream with the body contents that have been added to the request.
 	 */
-	body?: any | undefined;
+	body?: unknown;
 }
 
 export class NodeApp extends App {

packages/astro/src/core/build/generate.ts

@@ -121,7 +121,7 @@ export function chunkIsPage(
 	if (output.type !== 'chunk') {
 		return false;
 	}
-	const chunk = output as OutputChunk;
+	const chunk = output;
 	if (chunk.facadeModuleId) {
 		const facadeToEntryId = prependForwardSlash(
 			rootRelativeFacadeId(chunk.facadeModuleId, settings)
@@ -470,15 +470,7 @@ async function generatePath(
 	onRequest?: MiddlewareHandler<unknown>
 ) {
 	const { settings, logging, origin, routeCache } = opts;
-	const {
-		mod,
-		internals,
-		linkIds,
-		scripts: hoistedScripts,
-		styles: _styles,
-		pageData,
-		renderers,
-	} = gopts;
+	const { mod, internals, scripts: hoistedScripts, styles: _styles, pageData, renderers } = gopts;
 
 	// This adds the page name to the array so it can be shown as part of stats.
 	if (pageData.route.type === 'page') {

packages/astro/src/core/build/plugins/index.ts

@@ -18,11 +18,11 @@ export function registerAllPlugins({ internals, options, register }: AstroBuildP
 	register(pluginAliasResolve(internals));
 	register(pluginAnalyzer(internals));
 	register(pluginInternals(internals));
-	register(pluginRenderers(options, internals));
-	register(pluginMiddleware(options, internals));
+	register(pluginRenderers(options));
+	register(pluginMiddleware(options));
 	register(pluginPages(options, internals));
 	register(pluginCSS(options, internals));
-	register(astroHeadBuildPlugin(options, internals));
+	register(astroHeadBuildPlugin(internals));
 	register(pluginPrerender(options, internals));
 	register(astroConfigBuildPlugin(options, internals));
 	register(pluginHoistedScripts(options, internals));

packages/astro/src/core/build/plugins/plugin-analyzer.ts

@@ -126,7 +126,7 @@ export function vitePluginAnalyzer(internals: BuildInternals): VitePlugin {
 
 			for (const id of ids) {
 				const info = this.getModuleInfo(id);
-				if (!info || !info.meta?.astro) continue;
+				if (!info?.meta?.astro) continue;
 
 				const astro = info.meta.astro as AstroPluginMetadata['astro'];
 

packages/astro/src/core/build/plugins/plugin-component-entry.ts

@@ -10,7 +10,7 @@ export const astroEntryPrefix = '\0astro-entry:';
  * entries to re-export only the names the user is using.
  */
 export function vitePluginComponentEntry(internals: BuildInternals): VitePlugin {
-	const componentToExportNames: Map<string, string[]> = new Map();
+	const componentToExportNames = new Map<string, string[]>();
 
 	mergeComponentExportNames(internals.discoveredHydratedComponents);
 	mergeComponentExportNames(internals.discoveredClientOnlyComponents);

packages/astro/src/core/build/plugins/plugin-css.ts

@@ -107,7 +107,7 @@ function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[] {
 		},
 
 		async generateBundle(_outputOptions, bundle) {
-			for (const [_, chunk] of Object.entries(bundle)) {
+			for (const [, chunk] of Object.entries(bundle)) {
 				if (chunk.type !== 'chunk') continue;
 				if ('viteMetadata' in chunk === false) continue;
 				const meta = chunk.viteMetadata as ViteMetadata;

packages/astro/src/core/build/plugins/plugin-middleware.ts

@@ -1,7 +1,6 @@
 import type { Plugin as VitePlugin } from 'vite';
 import { MIDDLEWARE_PATH_SEGMENT_NAME } from '../../constants.js';
 import { addRollupInput } from '../add-rollup-input.js';
-import type { BuildInternals } from '../internal.js';
 import type { AstroBuildPlugin } from '../plugin';
 import type { StaticBuildOptions } from '../types';
 
@@ -9,10 +8,7 @@ export const MIDDLEWARE_MODULE_ID = '@astro-middleware';
 
 const EMPTY_MIDDLEWARE = '\0empty-middleware';
 
-export function vitePluginMiddleware(
-	opts: StaticBuildOptions,
-	_internals: BuildInternals
-): VitePlugin {
+export function vitePluginMiddleware(opts: StaticBuildOptions): VitePlugin {
 	return {
 		name: '@astro/plugin-middleware',
 
@@ -44,16 +40,13 @@ export function vitePluginMiddleware(
 	};
 }
 
-export function pluginMiddleware(
-	opts: StaticBuildOptions,
-	internals: BuildInternals
-): AstroBuildPlugin {
+export function pluginMiddleware(opts: StaticBuildOptions): AstroBuildPlugin {
 	return {
 		build: 'ssr',
 		hooks: {
 			'build:before': () => {
 				return {
-					vitePlugin: vitePluginMiddleware(opts, internals),
+					vitePlugin: vitePluginMiddleware(opts),
 				};
 			},
 		},

packages/astro/src/core/build/plugins/plugin-pages.ts

@@ -39,7 +39,7 @@ function vitePluginPages(opts: StaticBuildOptions, internals: BuildInternals): V
 
 		options(options) {
 			if (opts.settings.config.output === 'static') {
-				const inputs: Set<string> = new Set();
+				const inputs = new Set<string>();
 
 				for (const [path, pageData] of Object.entries(opts.allPages)) {
 					if (routeIsRedirect(pageData.route)) {

packages/astro/src/core/build/plugins/plugin-renderers.ts

@@ -1,17 +1,12 @@
 import type { Plugin as VitePlugin } from 'vite';
 import { addRollupInput } from '../add-rollup-input.js';
-import type { BuildInternals } from '../internal.js';
 import type { AstroBuildPlugin } from '../plugin';
 import type { StaticBuildOptions } from '../types';
 
 export const RENDERERS_MODULE_ID = '@astro-renderers';
 export const RESOLVED_RENDERERS_MODULE_ID = `\0${RENDERERS_MODULE_ID}`;
 
-let inputs: Set<string> = new Set();
-export function vitePluginRenderers(
-	opts: StaticBuildOptions,
-	_internals: BuildInternals
-): VitePlugin {
+export function vitePluginRenderers(opts: StaticBuildOptions): VitePlugin {
 	return {
 		name: '@astro/plugin-renderers',
 
@@ -49,16 +44,13 @@ export function vitePluginRenderers(
 	};
 }
 
-export function pluginRenderers(
-	opts: StaticBuildOptions,
-	internals: BuildInternals
-): AstroBuildPlugin {
+export function pluginRenderers(opts: StaticBuildOptions): AstroBuildPlugin {
 	return {
 		build: 'ssr',
 		hooks: {
 			'build:before': () => {
 				return {
-					vitePlugin: vitePluginRenderers(opts, internals),
+					vitePlugin: vitePluginRenderers(opts),
 				};
 			},
 		},

packages/astro/src/core/build/plugins/plugin-ssr.ts

@@ -42,10 +42,7 @@ function vitePluginSSR(
 		},
 		async load(id) {
 			if (id === RESOLVED_SSR_VIRTUAL_MODULE_ID) {
-				const {
-					settings: { config },
-					allPages,
-				} = options;
+				const { allPages } = options;
 				const imports: string[] = [];
 				const contents: string[] = [];
 				const exports: string[] = [];
@@ -82,7 +79,7 @@ function vitePluginSSR(
 		},
 		async generateBundle(_opts, bundle) {
 			// Add assets from this SSR chunk as well.
-			for (const [_chunkName, chunk] of Object.entries(bundle)) {
+			for (const [, chunk] of Object.entries(bundle)) {
 				if (chunk.type === 'asset') {
 					internals.staticFiles.add(chunk.fileName);
 				}
@@ -162,7 +159,7 @@ function vitePluginSSRSplit(
 		enforce: 'post',
 		options(opts) {
 			if (options.settings.config.build.split) {
-				const inputs: Set<string> = new Set();
+				const inputs = new Set<string>();
 
 				for (const path of Object.keys(options.allPages)) {
 					inputs.add(getVirtualModulePageNameFromPath(SPLIT_MODULE_ID, path));
@@ -178,10 +175,6 @@ function vitePluginSSRSplit(
 		},
 		async load(id) {
 			if (id.startsWith(RESOLVED_SPLIT_MODULE_ID)) {
-				const {
-					settings: { config },
-					allPages,
-				} = options;
 				const imports: string[] = [];
 				const contents: string[] = [];
 				const exports: string[] = [];
@@ -204,7 +197,7 @@ function vitePluginSSRSplit(
 		},
 		async generateBundle(_opts, bundle) {
 			// Add assets from this SSR chunk as well.
-			for (const [_chunkName, chunk] of Object.entries(bundle)) {
+			for (const [, chunk] of Object.entries(bundle)) {
 				if (chunk.type === 'asset') {
 					internals.staticFiles.add(chunk.fileName);
 				}
@@ -268,7 +261,7 @@ export function pluginSSRSplit(
 					logging: options.logging,
 					entryPoints: internals.entryPoints,
 				});
-				for (const [moduleName, chunk] of internals.ssrSplitEntryChunks) {
+				for (const [, chunk] of internals.ssrSplitEntryChunks) {
 					const code = injectManifest(manifest, chunk);
 					mutate(chunk, 'server', code);
 				}
@@ -413,8 +406,8 @@ function buildManifest(
 		if (!route.prerender) continue;
 		if (!route.pathname) continue;
 
-		const outFolder = getOutFolder(opts.settings.config, route.pathname!, route.type);
-		const outFile = getOutFile(opts.settings.config, outFolder, route.pathname!, route.type);
+		const outFolder = getOutFolder(opts.settings.config, route.pathname, route.type);
+		const outFile = getOutFile(opts.settings.config, outFolder, route.pathname, route.type);
 		const file = outFile.toString().replace(opts.settings.config.build.client.toString(), '');
 		routes.push({
 			file,

packages/astro/src/core/compile/compile.ts

@@ -78,6 +78,8 @@ export async function compile({
 }
 
 function handleCompileResultErrors(result: TransformResult, cssTransformErrors: AstroError[]) {
+	// TODO: Export the DiagnosticSeverity enum from @astrojs/compiler?
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-enum-comparison
 	const compilerError = result.diagnostics.find((diag) => diag.severity === 1);
 
 	if (compilerError) {
@@ -96,7 +98,6 @@ function handleCompileResultErrors(result: TransformResult, cssTransformErrors:
 		case 0:
 			break;
 		case 1: {
-			const error = cssTransformErrors[0];
 			throw cssTransformErrors[0];
 		}
 		default: {

packages/astro/src/core/config/schema.ts

@@ -8,7 +8,7 @@ import { BUNDLED_THEMES } from 'shiki';
 import { z } from 'zod';
 import { appendForwardSlash, prependForwardSlash, trimSlashes } from '../path.js';
 
-const ASTRO_CONFIG_DEFAULTS: AstroUserConfig & any = {
+const ASTRO_CONFIG_DEFAULTS = {
 	root: '.',
 	srcDir: './src',
 	publicDir: './public',
@@ -30,7 +30,6 @@ const ASTRO_CONFIG_DEFAULTS: AstroUserConfig & any = {
 	server: {
 		host: false,
 		port: 3000,
-		streaming: true,
 		open: false,
 	},
 	integrations: [],
@@ -45,7 +44,7 @@ const ASTRO_CONFIG_DEFAULTS: AstroUserConfig & any = {
 		assets: false,
 		redirects: false,
 	},
-};
+} satisfies AstroUserConfig & { server: { open: boolean } };
 
 export const AstroConfigSchema = z.object({
 	root: z
@@ -172,8 +171,8 @@ export const AstroConfigSchema = z.object({
 					theme: z
 						.enum(BUNDLED_THEMES as [Theme, ...Theme[]])
 						.or(z.custom<IThemeRegistration>())
-						.default(ASTRO_CONFIG_DEFAULTS.markdown.shikiConfig.theme),
-					wrap: z.boolean().or(z.null()).default(ASTRO_CONFIG_DEFAULTS.markdown.shikiConfig.wrap),
+						.default(ASTRO_CONFIG_DEFAULTS.markdown.shikiConfig.theme!),
+					wrap: z.boolean().or(z.null()).default(ASTRO_CONFIG_DEFAULTS.markdown.shikiConfig.wrap!),
 				})
 				.default({}),
 			remarkPlugins: z

packages/astro/src/core/config/timer.ts

@@ -18,7 +18,7 @@ interface OngoingStat {
  */
 export class AstroTimer {
 	private enabled: boolean;
-	private ongoingTimers: Map<string, OngoingStat> = new Map();
+	private ongoingTimers = new Map<string, OngoingStat>();
 	private stats: Record<string, Stat> = {};
 
 	constructor() {

packages/astro/src/core/cookies/cookies.ts

@@ -99,7 +99,7 @@ class AstroCookies implements AstroCookiesInterface {
 	 */
 	get(key: string): AstroCookie {
 		// Check for outgoing Set-Cookie values first
-		if (this.#outgoing !== null && this.#outgoing.has(key)) {
+		if (this.#outgoing?.has(key)) {
 			let [serializedValue, , isSetValue] = this.#outgoing.get(key)!;
 			if (isSetValue) {
 				return new AstroCookie(serializedValue);
@@ -120,7 +120,7 @@ class AstroCookies implements AstroCookiesInterface {
 	 * @returns
 	 */
 	has(key: string): boolean {
-		if (this.#outgoing !== null && this.#outgoing.has(key)) {
+		if (this.#outgoing?.has(key)) {
 			let [, , isSetValue] = this.#outgoing.get(key)!;
 			return isSetValue;
 		}

packages/astro/src/core/create-vite.ts

@@ -121,10 +121,10 @@ export async function createVite(
 			markdownVitePlugin({ settings, logging }),
 			htmlVitePlugin(),
 			jsxVitePlugin({ settings, logging }),
-			astroPostprocessVitePlugin({ settings }),
+			astroPostprocessVitePlugin(),
 			mode === 'dev' && astroIntegrationsContainerPlugin({ settings, logging }),
 			astroScriptsPageSSRPlugin({ settings }),
-			astroHeadPlugin({ settings }),
+			astroHeadPlugin(),
 			astroScannerPlugin({ settings }),
 			astroInjectEnvTsPlugin({ settings, logging, fs }),
 			astroContentVirtualModPlugin({ settings }),
@@ -315,12 +315,3 @@ function isCommonNotAstro(dep: string): boolean {
 		)
 	);
 }
-
-interface PkgJSON {
-	name: string;
-	dependencies?: Record<string, string>;
-	devDependencies?: Record<string, string>;
-	peerDependencies?: Record<string, string>;
-	keywords?: string[];
-	[key: string]: any;
-}

packages/astro/src/core/dev/restart.ts

@@ -125,7 +125,7 @@ interface Restart {
 
 export async function createContainerWithAutomaticRestart({
 	flags,
-	handleConfigError = (_e: Error) => {},
+	handleConfigError = () => {},
 	beforeRestart,
 	params,
 }: CreateContainerWithAutomaticRestart): Promise<Restart> {
@@ -143,7 +143,6 @@ export async function createContainerWithAutomaticRestart({
 	};
 
 	async function handleServerRestart(logMsg: string) {
-		// eslint-disable-next-line @typescript-eslint/no-shadow
 		const container = restart.container;
 		const { container: newContainer, error } = await restartContainer({
 			beforeRestart,

packages/astro/src/core/errors/dev/utils.ts

@@ -20,11 +20,9 @@ type EsbuildMessage = ESBuildTransformResult['warnings'][number];
  */
 export function collectErrorMetadata(e: any, rootFolder?: URL | undefined): ErrorWithMetadata {
 	const err =
-		AggregateError.is(e) || Array.isArray((e as any).errors)
-			? (e.errors as SSRError[])
-			: [e as SSRError];
+		AggregateError.is(e) || Array.isArray(e.errors) ? (e.errors as SSRError[]) : [e as SSRError];
 
-	err.forEach((error, idx) => {
+	err.forEach((error) => {
 		if (e.stack) {
 			const stackInfo = collectInfoFromStacktrace(e);
 			error.stack = stackInfo.stack;
@@ -73,7 +71,7 @@ export function collectErrorMetadata(e: any, rootFolder?: URL | undefined): Erro
 
 	// If we received an array of errors and it's not from us, it's most likely from ESBuild, try to extract info for Vite to display
 	// NOTE: We still need to be defensive here, because it might not necessarily be from ESBuild, it's just fairly likely.
-	if (!AggregateError.is(e) && Array.isArray((e as any).errors)) {
+	if (!AggregateError.is(e) && Array.isArray(e.errors)) {
 		(e.errors as EsbuildMessage[]).forEach((buildError, i) => {
 			const { location, pluginName, text } = buildError;
 
@@ -226,7 +224,7 @@ export function renderErrorMarkdown(markdown: string, target: 'html' | 'cli') {
 	} else {
 		return markdown
 			.replace(linkRegex, (fullMatch, m1, m2) => `${bold(m1)} ${underline(m2)}`)
-			.replace(urlRegex, (fullMatch, m1) => ` ${underline(fullMatch.trim())} `)
+			.replace(urlRegex, (fullMatch) => ` ${underline(fullMatch.trim())} `)
 			.replace(boldRegex, (fullMatch, m1) => `${bold(m1)}`);
 	}
 }

packages/astro/src/core/errors/errors.ts

@@ -81,7 +81,7 @@ export class AstroError extends Error {
 		this.frame = codeFrame(source, location);
 	}
 
-	static is(err: Error | unknown): err is AstroError {
+	static is(err: unknown): err is AstroError {
 		return (err as AstroError).type === 'AstroError';
 	}
 }
@@ -95,7 +95,7 @@ export class CompilerError extends AstroError {
 		this.name = 'CompilerError';
 	}
 
-	static is(err: Error | unknown): err is CompilerError {
+	static is(err: unknown): err is CompilerError {
 		return (err as CompilerError).type === 'CompilerError';
 	}
 }
@@ -103,7 +103,7 @@ export class CompilerError extends AstroError {
 export class CSSError extends AstroError {
 	type: ErrorTypes = 'CSSError';
 
-	static is(err: Error | unknown): err is CSSError {
+	static is(err: unknown): err is CSSError {
 		return (err as CSSError).type === 'CSSError';
 	}
 }
@@ -111,7 +111,7 @@ export class CSSError extends AstroError {
 export class MarkdownError extends AstroError {
 	type: ErrorTypes = 'MarkdownError';
 
-	static is(err: Error | unknown): err is MarkdownError {
+	static is(err: unknown): err is MarkdownError {
 		return (err as MarkdownError).type === 'MarkdownError';
 	}
 }
@@ -119,7 +119,7 @@ export class MarkdownError extends AstroError {
 export class InternalError extends AstroError {
 	type: ErrorTypes = 'InternalError';
 
-	static is(err: Error | unknown): err is InternalError {
+	static is(err: unknown): err is InternalError {
 		return (err as InternalError).type === 'InternalError';
 	}
 }
@@ -136,7 +136,7 @@ export class AggregateError extends AstroError {
 		this.errors = props.errors;
 	}
 
-	static is(err: Error | unknown): err is AggregateError {
+	static is(err: unknown): err is AggregateError {
 		return (err as AggregateError).type === 'AggregateError';
 	}
 }

packages/astro/src/core/errors/overlay.ts

@@ -1,4 +1,3 @@
-import type { AstroConfig } from '../../@types/astro';
 import type { AstroErrorPayload } from './dev/vite';
 
 const style = /* css */ `
@@ -665,7 +664,7 @@ class ErrorOverlay extends HTMLElement {
 					const errorLine = this.root.querySelector<HTMLSpanElement>('.error-line');
 
 					if (errorLine) {
-						if (errorLine.parentElement && errorLine.parentElement.parentElement) {
+						if (errorLine.parentElement?.parentElement) {
 							errorLine.parentElement.parentElement.scrollTop =
 								errorLine.offsetTop - errorLine.parentElement.parentElement.offsetTop - 8;
 						}
@@ -745,6 +744,6 @@ function getOverlayCode() {
 	`;
 }
 
-export function patchOverlay(code: string, config: AstroConfig) {
+export function patchOverlay(code: string) {
 	return code.replace('class ErrorOverlay', getOverlayCode() + '\nclass ViteErrorOverlay');
 }

packages/astro/src/core/errors/utils.ts

@@ -89,7 +89,7 @@ export function formatYAMLException(e: YAMLException): ViteErrorPayload['err'] {
 
 /** Coalesce any throw variable to an Error instance. */
 export function createSafeError(err: any): Error {
-	if (err instanceof Error || (err && err.name && err.message)) {
+	if (err instanceof Error || (err?.name && err.message)) {
 		return err;
 	} else {
 		const error = new Error(JSON.stringify(err));

packages/astro/src/core/middleware/callMiddleware.ts

@@ -49,11 +49,6 @@ export async function callMiddleware<R>(
 	apiContext: APIContext,
 	responseFunction: () => Promise<R>
 ): Promise<Response | R> {
-	let resolveResolve: any;
-	new Promise((resolve) => {
-		resolveResolve = resolve;
-	});
-
 	let nextCalled = false;
 	let responseFunctionPromise: Promise<R> | undefined = undefined;
 	const next: MiddlewareNext<R> = async () => {

packages/astro/src/core/render/dev/index.ts

@@ -174,7 +174,7 @@ export async function renderPage(options: SSROptions): Promise<Response> {
 		adapterName: options.env.adapterName,
 	});
 	if (options.middleware) {
-		if (options.middleware && options.middleware.onRequest) {
+		if (options.middleware?.onRequest) {
 			const onRequest = options.middleware.onRequest as MiddlewareResponseHandler;
 			const response = await callMiddleware<Response>(env.logging, onRequest, apiContext, () => {
 				return coreRenderPage({

packages/astro/src/core/routing/manifest/create.ts

@@ -33,8 +33,8 @@ interface Item {
 
 function countOccurrences(needle: string, haystack: string) {
 	let count = 0;
-	for (let i = 0; i < haystack.length; i += 1) {
-		if (haystack[i] === needle) count += 1;
+	for (const hay of haystack) {
+		if (hay === needle) count += 1;
 	}
 	return count;
 }
@@ -61,10 +61,6 @@ function getParts(part: string, file: string) {
 	return result;
 }
 
-function areSamePart(a: RoutePart, b: RoutePart) {
-	return a.content === b.content && a.dynamic === b.dynamic && a.spread === b.spread;
-}
-
 function getPattern(
 	segments: RoutePart[][],
 	base: string,
@@ -208,25 +204,6 @@ function injectedRouteToItem(
 	};
 }
 
-// Seeings if the two routes are siblings of each other, with `b` being the route
-// in focus. If it is in the same parent folder as `a`, they are siblings.
-function areSiblings(a: RouteData, b: RouteData) {
-	if (a.segments.length < b.segments.length) return false;
-	for (let i = 0; i < b.segments.length - 1; i++) {
-		let segment = b.segments[i];
-		if (segment.length === a.segments[i].length) {
-			for (let j = 0; j < segment.length; j++) {
-				if (!areSamePart(segment[j], a.segments[i][j])) {
-					return false;
-				}
-			}
-		} else {
-			return false;
-		}
-	}
-	return true;
-}
-
 export interface CreateRouteManifestParams {
 	/** Astro Settings object */
 	settings: AstroSettings;
@@ -243,16 +220,16 @@ export function createRouteManifest(
 ): ManifestData {
 	const components: string[] = [];
 	const routes: RouteData[] = [];
-	const validPageExtensions: Set<string> = new Set([
+	const validPageExtensions = new Set<string>([
 		'.astro',
 		...SUPPORTED_MARKDOWN_FILE_EXTENSIONS,
 		...settings.pageExtensions,
 	]);
-	const validEndpointExtensions: Set<string> = new Set(['.js', '.ts']);
+	const validEndpointExtensions = new Set<string>(['.js', '.ts']);
 	const localFs = fsMod ?? nodeFs;
 	const prerender = getPrerenderDefault(settings.config);
 
-	const foundInvalidFileExtensions: Set<string> = new Set();
+	const foundInvalidFileExtensions = new Set<string>();
 
 	function walk(
 		fs: typeof nodeFs,

packages/astro/src/events/error.ts

@@ -29,7 +29,7 @@ interface ConfigErrorEventPayload extends ErrorEventPayload {
 const ANONYMIZE_MESSAGE_REGEX = /^(\w| )+/;
 function anonymizeErrorMessage(msg: string): string | undefined {
 	const matchedMessage = msg.match(ANONYMIZE_MESSAGE_REGEX);
-	if (!matchedMessage || !matchedMessage[0]) {
+	if (!matchedMessage?.[0]) {
 		return undefined;
 	}
 	return matchedMessage[0].trim().substring(0, 20);
@@ -72,6 +72,8 @@ export function eventError({
 		cliCommand: cmd,
 		isFatal: isFatal,
 		anonymousMessageHint:
+			// https://github.com/typescript-eslint/typescript-eslint/issues/4820
+			// eslint-disable-next-line @typescript-eslint/prefer-optional-chain -- errorData may be false
 			errorData && errorData.message
 				? getSafeErrorMessage(errorData.message)
 				: anonymizeErrorMessage(err.message),

packages/astro/src/runtime/client/visible.ts

@@ -21,8 +21,7 @@ const visibleDirective: ClientDirective = (load, _options, el) => {
 		}
 	});
 
-	for (let i = 0; i < el.children.length; i++) {
-		const child = el.children[i];
+	for (const child of el.children) {
 		io.observe(child);
 	}
 };

packages/astro/src/runtime/server/astro-global.ts

@@ -4,7 +4,7 @@ import { AstroError, AstroErrorData } from '../../core/errors/index.js';
 
 /** Create the Astro.glob() runtime function. */
 function createAstroGlobFn() {
-	const globHandler = (importMetaGlobResult: Record<string, any>, globValue: () => any) => {
+	const globHandler = (importMetaGlobResult: Record<string, any>) => {
 		if (typeof importMetaGlobResult === 'string') {
 			throw new AstroError({
 				...AstroErrorData.AstroGlobUsedOutside,

packages/astro/src/runtime/server/astro-island.ts

@@ -118,13 +118,13 @@ declare const Astro: {
 					const templates = this.querySelectorAll('template[data-astro-template]');
 					for (const template of templates) {
 						const closest = template.closest(this.tagName);
-						if (!closest || !closest.isSameNode(this)) continue;
+						if (!closest?.isSameNode(this)) continue;
 						slots[template.getAttribute('data-astro-template') || 'default'] = template.innerHTML;
 						template.remove();
 					}
 					for (const slot of slotted) {
 						const closest = slot.closest(this.tagName);
-						if (!closest || !closest.isSameNode(this)) continue;
+						if (!closest?.isSameNode(this)) continue;
 						slots[slot.getAttribute('name') || 'default'] = slot.innerHTML;
 					}
 					const props = this.hasAttribute('props')

packages/astro/src/runtime/server/endpoint.ts

@@ -19,7 +19,7 @@ function getHandlerFromModule(mod: EndpointHandler, method: string) {
 
 /** Renders an endpoint request to completion, returning the body. */
 export async function renderEndpoint(mod: EndpointHandler, context: APIContext, ssr: boolean) {
-	const { request, params, locals } = context;
+	const { request, params } = context;
 	const chosenMethod = request.method?.toLowerCase();
 	const handler = getHandlerFromModule(mod, chosenMethod);
 	if (!ssr && ssr === false && chosenMethod && chosenMethod !== 'get') {

packages/astro/src/runtime/server/jsx.ts

@@ -85,10 +85,7 @@ Did you forget to import the component or is it possible there is a typo?`);
 				let props: Record<string, any> = {};
 				let slots: Record<string, any> = {};
 				for (const [key, value] of Object.entries(vnode.props ?? {})) {
-					if (
-						key === 'children' ||
-						(value && typeof value === 'object' && (value as any)['$$slot'])
-					) {
+					if (key === 'children' || (value && typeof value === 'object' && value['$$slot'])) {
 						slots[key === 'children' ? 'default' : key] = () => renderJSX(result, value);
 					} else {
 						props[key] = value;
@@ -117,7 +114,7 @@ Did you forget to import the component or is it possible there is a typo?`);
 					try {
 						const output = await vnode.type(vnode.props ?? {});
 						let renderResult: any;
-						if (output && output[AstroJSX]) {
+						if (output?.[AstroJSX]) {
 							renderResult = await renderJSXVNode(result, output, skip);
 							return renderResult;
 						} else if (!output) {
@@ -251,11 +248,9 @@ function useConsoleFilter() {
 	consoleFilterRefs++;
 
 	if (!originalConsoleError) {
-		// eslint-disable-next-line no-console
 		originalConsoleError = console.error;
 
 		try {
-			// eslint-disable-next-line no-console
 			console.error = filteredConsoleError;
 		} catch (error) {
 			// If we're unable to hook `console.error`, just accept it

packages/astro/src/runtime/server/render/head.ts

@@ -25,7 +25,7 @@ export function renderAllHeadContent(result: SSRResult) {
 	result.styles.clear();
 	const scripts = Array.from(result.scripts)
 		.filter(uniqueElements)
-		.map((script, i) => {
+		.map((script) => {
 			return renderElement('script', script, false);
 		});
 	const links = Array.from(result.links)

packages/astro/src/runtime/server/render/slot.ts

@@ -51,7 +51,7 @@ export async function renderSlotToString(
 	let instructions: null | RenderInstruction[] = null;
 	let iterator = renderSlot(result, slotted, fallback);
 	for await (const chunk of iterator) {
-		if (typeof (chunk as any).type === 'string') {
+		if (typeof chunk.type === 'string') {
 			if (instructions === null) {
 				instructions = [];
 			}

packages/astro/src/vite-plugin-astro-postprocess/index.ts

@@ -2,17 +2,12 @@ import { parse } from 'acorn';
 import { walk } from 'estree-walker';
 import MagicString from 'magic-string';
 import type { Plugin } from 'vite';
-import type { AstroSettings } from '../@types/astro';
 import { isMarkdownFile } from '../core/util.js';
 
 // Check for `Astro.glob()`. Be very forgiving of whitespace. False positives are okay.
 const ASTRO_GLOB_REGEX = /Astro2?\s*\.\s*glob\s*\(/;
 
-interface AstroPluginOptions {
-	settings: AstroSettings;
-}
-
-export default function astro(_opts: AstroPluginOptions): Plugin {
+export default function astro(): Plugin {
 	return {
 		name: 'astro:postprocess',
 		async transform(code, id) {

packages/astro/src/vite-plugin-astro-server/plugin.ts

@@ -31,7 +31,7 @@ export default function createVitePluginAstroServer({
 			const serverController = createController({ loader });
 
 			/** rebuild the route cache + manifest, as needed. */
-			function rebuildManifest(needsManifestRebuild: boolean, _file: string) {
+			function rebuildManifest(needsManifestRebuild: boolean) {
 				env.routeCache.clearAll();
 				if (needsManifestRebuild) {
 					manifest = createRouteManifest({ settings }, logging);
@@ -66,7 +66,7 @@ export default function createVitePluginAstroServer({
 			if (!id.includes('vite/dist/client/client.mjs')) return;
 
 			// Replace the Vite overlay with ours
-			return patchOverlay(code, settings.config);
+			return patchOverlay(code);
 		},
 	};
 }

packages/astro/src/vite-plugin-astro-server/request.ts

@@ -84,7 +84,7 @@ export async function handleRequest(
 
 			// This could be a runtime error from Vite's SSR module, so try to fix it here
 			try {
-				env.loader.fixStacktrace(err as Error);
+				env.loader.fixStacktrace(err);
 			} catch {}
 
 			// This is our last line of defense regarding errors where we still might have some information about the request

packages/astro/src/vite-plugin-astro-server/route.ts

@@ -137,7 +137,7 @@ export async function handleRoute(
 
 	const { config } = settings;
 	const filePath: URL | undefined = matchedRoute.filePath;
-	const { route, preloadedComponent, mod } = matchedRoute;
+	const { route, preloadedComponent } = matchedRoute;
 	const buildingToSSR = isServerLikeOutput(config);
 
 	// Headers are only available when using SSR.

packages/astro/src/vite-plugin-astro/compile.ts

@@ -93,8 +93,6 @@ async function enhanceCompileError({
 	err,
 	id,
 	source,
-	config,
-	logging,
 }: EnhanceCompilerErrorOptions): Promise<void> {
 	const lineText = (err as any).loc?.lineText;
 	// Verify frontmatter: a common reason that this plugin fails is that
@@ -122,7 +120,7 @@ async function enhanceCompileError({
 		} catch (frontmatterErr: any) {
 			// Improve the error by replacing the phrase "unexpected end of file"
 			// with "unexpected end of frontmatter" in the esbuild error message.
-			if (frontmatterErr && frontmatterErr.message) {
+			if (frontmatterErr?.message) {
 				frontmatterErr.message = frontmatterErr.message.replace(
 					'end of file',
 					'end of frontmatter'

packages/astro/src/vite-plugin-astro/hmr.ts

@@ -15,7 +15,7 @@ import { isAstroScript } from './query.js';
 const PKG_PREFIX = fileURLToPath(new URL('../../', import.meta.url));
 const E2E_PREFIX = fileURLToPath(new URL('../../e2e', import.meta.url));
 const isPkgFile = (id: string | null) => {
-	return id && id.startsWith(PKG_PREFIX) && !id.startsWith(E2E_PREFIX);
+	return id?.startsWith(PKG_PREFIX) && !id.startsWith(E2E_PREFIX);
 };
 
 export interface HandleHotUpdateOptions {

packages/astro/src/vite-plugin-astro/index.ts

@@ -88,7 +88,7 @@ export default function astro({ settings, logging }: AstroPluginOptions): vite.P
 					}
 
 					if (hoistedScript.type === 'external') {
-						const src = hoistedScript.src!;
+						const src = hoistedScript.src;
 						if (src.startsWith('/') && !isBrowserPath(src)) {
 							const publicDir = config.publicDir.pathname.replace(/\/$/, '').split('/').pop() + '/';
 							throw new Error(

packages/astro/src/vite-plugin-head/index.ts

@@ -1,8 +1,7 @@
 import type { ModuleInfo } from 'rollup';
 import type * as vite from 'vite';
-import type { AstroSettings, SSRComponentMetadata, SSRResult } from '../@types/astro';
+import type { SSRComponentMetadata, SSRResult } from '../@types/astro';
 import type { AstroBuildPlugin } from '../core/build/plugin.js';
-import type { StaticBuildOptions } from '../core/build/types';
 import type { PluginMetadata } from '../vite-plugin-astro/types';
 
 import { getTopLevelPages, walkParentInfos } from '../core/build/graph.js';
@@ -12,11 +11,7 @@ import { getAstroMetadata } from '../vite-plugin-astro/index.js';
 // Detect this in comments, both in .astro components and in js/ts files.
 const injectExp = /(^\/\/|\/\/!)\s*astro-head-inject/;
 
-export default function configHeadVitePlugin({
-	settings,
-}: {
-	settings: AstroSettings;
-}): vite.Plugin {
+export default function configHeadVitePlugin(): vite.Plugin {
 	let server: vite.ViteDevServer;
 
 	function propagateMetadata<
@@ -70,10 +65,7 @@ export default function configHeadVitePlugin({
 	};
 }
 
-export function astroHeadBuildPlugin(
-	options: StaticBuildOptions,
-	internals: BuildInternals
-): AstroBuildPlugin {
+export function astroHeadBuildPlugin(internals: BuildInternals): AstroBuildPlugin {
 	return {
 		build: 'ssr',
 		hooks: {

packages/astro/src/vite-plugin-html/transform/escape.ts

@@ -6,8 +6,8 @@ import { visit } from 'unist-util-visit';
 import { escape, needsEscape, replaceAttribute } from './utils.js';
 
 const rehypeEscape: Plugin<[{ s: MagicString }], Root> = ({ s }) => {
-	return (tree, file) => {
-		visit(tree, (node: Root | RootContent, index, parent) => {
+	return (tree) => {
+		visit(tree, (node: Root | RootContent) => {
 			if (node.type === 'text' || node.type === 'comment') {
 				if (needsEscape(node.value)) {
 					s.overwrite(node.position!.start.offset!, node.position!.end.offset!, escape(node.value));

packages/astro/src/vite-plugin-html/transform/slots.ts

@@ -7,7 +7,7 @@ import { escape } from './utils.js';
 
 const rehypeSlots: Plugin<[{ s: MagicString }], Root> = ({ s }) => {
 	return (tree, file) => {
-		visit(tree, (node: Root | RootContent, index, parent) => {
+		visit(tree, (node: Root | RootContent) => {
 			if (node.type === 'element' && node.tagName === 'slot') {
 				if (typeof node.properties?.['is:inline'] !== 'undefined') return;
 				const name = node.properties?.['name'] ?? 'default';

packages/astro/src/vite-plugin-jsx/import-source.ts

@@ -51,7 +51,7 @@ function detectImportSourceFromComments(code: string): string | undefined {
 	// if no imports were found, look for @jsxImportSource comment
 	const multiline = code.match(/\/\*\*?[\S\s]*\*\//gm) || [];
 	for (const comment of multiline) {
-		const [_, lib] = comment.slice(0, -2).match(/@jsxImportSource\s*(\S+)/) || [];
+		const [, lib] = comment.slice(0, -2).match(/@jsxImportSource\s*(\S+)/) || [];
 		if (lib) {
 			return lib.trim();
 		}

packages/astro/src/vite-plugin-jsx/tag.ts

@@ -11,7 +11,6 @@ import * as t from '@babel/types';
  */
 export default async function tagExportsWithRenderer({
 	rendererName,
-	root,
 }: {
 	rendererName: string;
 	root: URL;

packages/astro/src/vite-plugin-markdown/content-entry-type.ts

@@ -1,11 +1,10 @@
-import { fileURLToPath } from 'node:url';
 import type { ContentEntryType } from '../@types/astro.js';
 import { parseFrontmatter } from '../content/utils.js';
 
 export const markdownContentEntryType: ContentEntryType = {
 	extensions: ['.md'],
-	async getEntryInfo({ fileUrl, contents }: { fileUrl: URL; contents: string }) {
-		const parsed = parseFrontmatter(contents, fileURLToPath(fileUrl));
+	async getEntryInfo({ contents }: { contents: string }) {
+		const parsed = parseFrontmatter(contents);
 		return {
 			data: parsed.data,
 			body: parsed.content,

packages/astro/src/vite-plugin-scanner/scan.ts

@@ -41,7 +41,7 @@ export async function scan(code: string, id: string, isHybridOutput = false): Pr
 		didInit = true;
 	}
 
-	const [_, exports] = eslexer.parse(code, id);
+	const [, exports] = eslexer.parse(code, id);
 	let pageOptions: PageOptions = {};
 	for (const _export of exports) {
 		const { n: name, le: endOfLocalName } = _export;

packages/astro/src/vite-plugin-scripts/index.ts

@@ -48,7 +48,7 @@ export default function astroScriptsPlugin({ settings }: { settings: AstroSettin
 			}
 			return null;
 		},
-		buildStart(options) {
+		buildStart() {
 			const hasHydrationScripts = settings.scripts.some((s) => s.stage === 'before-hydration');
 			if (hasHydrationScripts && env?.command === 'build' && !env?.ssrBuild) {
 				this.emitFile({

packages/astro/src/vite-plugin-ssr-manifest/index.ts

@@ -7,7 +7,7 @@ export function vitePluginSSRManifest(): VitePlugin {
 	return {
 		name: '@astrojs/vite-plugin-astro-ssr-manifest',
 		enforce: 'post',
-		resolveId(id, parent) {
+		resolveId(id) {
 			if (id === manifestVirtualModuleId) {
 				return resolvedManifestVirtualModuleId;
 			}

packages/astro/test/astro-dynamic.test.js

@@ -20,7 +20,6 @@ describe('Dynamic components', () => {
 	});
 
 	it('Loads pages using client:media hydrator', async () => {
-		const root = new URL('http://example.com/media/index.html');
 		const html = await fixture.readFile('/media/index.html');
 		const $ = cheerio.load(html);
 

packages/astro/test/astro-pagination.test.js

@@ -41,7 +41,7 @@ describe('Pagination', () => {
 			{ color: 'blue', p: '2' },
 		];
 		await Promise.all(
-			params.map(async ({ color, p }, idx) => {
+			params.map(async ({ color, p }) => {
 				const html = await fixture.readFile(`/posts/${color}/${p}/index.html`);
 				const $ = cheerio.load(html);
 				expect($('#page-param').text()).to.equal(p);

packages/astro/test/astro-response.test.js

@@ -1,5 +1,4 @@
 import { expect } from 'chai';
-import { load as cheerioLoad } from 'cheerio';
 import { loadFixture } from './test-utils.js';
 
 // Asset bundling

packages/astro/test/component-library.test.js

@@ -21,7 +21,7 @@ describe('Component Libraries', () => {
 			await fixture.build();
 		});
 
-		function createFindEvidence(expected, prefix) {
+		function createFindEvidence(expected) {
 			return async function findEvidence(pathname) {
 				const html = await fixture.readFile(pathname);
 				const $ = cheerioLoad(html);
@@ -102,7 +102,7 @@ describe('Component Libraries', () => {
 			await devServer.stop();
 		});
 
-		function createFindEvidence(expected, prefix) {
+		function createFindEvidence(expected) {
 			return async function findEvidence(pathname) {
 				const html = await fixture.fetch(pathname).then((res) => res.text());
 				const $ = cheerioLoad(html);

packages/astro/test/config-mode.test.js

@@ -1,5 +1,4 @@
 import { expect } from 'chai';
-import { load as cheerioLoad } from 'cheerio';
 import { loadFixture } from './test-utils.js';
 import testAdapter from './test-adapter.js';
 

packages/astro/test/error-bad-js.test.js

@@ -1,5 +1,4 @@
 import { expect } from 'chai';
-import * as cheerio from 'cheerio';
 import { loadFixture, silentLogging } from './test-utils.js';
 
 describe('Errors in JavaScript', () => {

packages/astro/test/postcss.test.js

@@ -4,8 +4,6 @@ import eol from 'eol';
 import { loadFixture } from './test-utils.js';
 
 describe('PostCSS', function () {
-	const PREFIXED_CSS = `{-webkit-appearance:none;appearance:none`;
-
 	let fixture;
 	let bundledCSS;
 	before(async () => {

packages/astro/test/public-base-404.test.js

@@ -5,8 +5,6 @@ import { loadFixture } from './test-utils.js';
 describe('Public dev with base', () => {
 	/** @type {import('./test-utils').Fixture} */
 	let fixture;
-	/** @type {import('./test-utils').DevServer} */
-	let devServer;
 	let $;
 
 	before(async () => {
@@ -15,7 +13,7 @@ describe('Public dev with base', () => {
 			site: 'http://example.com/',
 			base: '/blog',
 		});
-		devServer = await fixture.startDevServer();
+		await fixture.startDevServer();
 	});
 
 	it('200 when loading /@vite/client', async () => {

packages/astro/test/static-build-page-url-format.test.js

@@ -1,11 +1,6 @@
 import { expect } from 'chai';
-import * as cheerio from 'cheerio';
 import { loadFixture } from './test-utils.js';
 
-function addLeadingSlash(path) {
-	return path.startsWith('/') ? path : '/' + path;
-}
-
 describe("Static build - format: 'file'", () => {
 	let fixture;
 

packages/astro/test/static-build.test.js

@@ -88,7 +88,7 @@ describe('Static build', () => {
 		}
 	});
 
-	function createFindEvidence(expected, prefix) {
+	function createFindEvidence(expected) {
 		return async function findEvidence(pathname) {
 			const html = await fixture.readFile(pathname);
 			const $ = cheerioLoad(html);

packages/astro/test/test-utils.js

@@ -101,8 +101,7 @@ export const silentLogging = {
  *   .clean()          - Async. Removes the project’s dist folder.
  */
 export async function loadFixture(inlineConfig) {
-	if (!inlineConfig || !inlineConfig.root)
-		throw new Error("Must provide { root: './fixtures/...' }");
+	if (!inlineConfig?.root) throw new Error("Must provide { root: './fixtures/...' }");
 
 	// load config
 	let cwd = inlineConfig.root;
@@ -235,7 +234,7 @@ export async function loadFixture(inlineConfig) {
 		},
 		loadTestAdapterApp: async (streaming) => {
 			const url = new URL(`./server/entry.mjs?id=${fixtureId}`, config.outDir);
-			const { createApp, manifest, middleware } = await import(url);
+			const { createApp, manifest } = await import(url);
 			const app = createApp(streaming);
 			app.manifest = manifest;
 			return app;

packages/astro/test/units/compile/invalid-css.test.js

@@ -9,7 +9,7 @@ describe('astro/src/core/compile', () => {
 		it('throws an aggregate error with the errors', async () => {
 			let error;
 			try {
-				let r = await cachedCompilation({
+				await cachedCompilation({
 					astroConfig: {
 						root: pathToFileURL('/'),
 					},

packages/astro/test/units/config/format.test.js

@@ -1,6 +1,4 @@
 import { expect } from 'chai';
-import * as cheerio from 'cheerio';
-import { fileURLToPath } from 'url';
 
 import { runInContainer } from '../../../dist/core/dev/index.js';
 import { openConfig, createSettings } from '../../../dist/core/config/index.js';

packages/astro/test/units/dev/hydration.test.js

@@ -48,7 +48,7 @@ describe('dev container', () => {
 					url: '/',
 				});
 				container.handle(req, res);
-				const html = await done;
+				await done;
 				expect(res.statusCode).to.equal(
 					200,
 					"We get a 200 because the error occurs in the template, but we didn't crash!"

packages/astro/test/units/dev/styles.test.js

@@ -1,5 +1,4 @@
 import { expect } from 'chai';
-import { fileURLToPath } from 'url';
 
 import { getStylesForURL } from '../../../dist/core/render/dev/css.js';
 import { viteID } from '../../../dist/core/util.js';

packages/astro/test/units/render/head.test.js

@@ -72,7 +72,7 @@ describe('core/render', () => {
 				`;
 			});
 
-			const Page = createComponent((result, _props) => {
+			const Page = createComponent((result) => {
 				return render`${renderComponent(
 					result,
 					'PageLayout',
@@ -158,7 +158,7 @@ describe('core/render', () => {
 				`;
 			});
 
-			const Page = createComponent((result, _props) => {
+			const Page = createComponent((result) => {
 				return render`${renderComponent(
 					result,
 					'PageLayout',
@@ -221,7 +221,7 @@ describe('core/render', () => {
 				`;
 			});
 
-			const Page = createComponent((result, _props) => {
+			const Page = createComponent((result) => {
 				return render`${renderComponent(
 					result,
 					'PageLayout',

packages/astro/test/units/render/jsx.test.js

@@ -119,7 +119,7 @@ describe('core/render', () => {
 				throw new Error('uh oh');
 			});
 
-			const Page = createComponent((result, _props) => {
+			const Page = createComponent((result) => {
 				return render`<div>${renderComponent(result, 'Component', Component, {})}</div>`;
 			});
 

packages/astro/test/units/test-utils.js

@@ -3,7 +3,7 @@ import { Volume } from 'memfs';
 import httpMocks from 'node-mocks-http';
 import realFS from 'node:fs';
 import npath from 'path';
-import { fileURLToPath, pathToFileURL } from 'url';
+import { fileURLToPath } from 'url';
 import { unixify } from './correct-path.js';
 
 class VirtualVolume extends Volume {

packages/astro/test/units/vite-plugin-scanner/scan.test.js

@@ -49,7 +49,7 @@ describe('astro scan', () => {
 
 	it('throws on let boolean literal', async () => {
 		try {
-			const result = await scan(`export let prerender = true;`, '/src/components/index.astro');
+			await scan(`export let prerender = true;`, '/src/components/index.astro');
 			expect(false).to.be.true;
 		} catch (e) {
 			expect(e.message).to.contain(
@@ -60,7 +60,7 @@ describe('astro scan', () => {
 
 	it('throws on var boolean literal', async () => {
 		try {
-			const result = await scan(`export var prerender = true;`, '/src/components/index.astro');
+			await scan(`export var prerender = true;`, '/src/components/index.astro');
 			expect(false).to.be.true;
 		} catch (e) {
 			expect(e.message).to.contain(
@@ -71,7 +71,7 @@ describe('astro scan', () => {
 
 	it('throws on unknown values I', async () => {
 		try {
-			const result = await scan(`export const prerender = !!value;`, '/src/components/index.astro');
+			await scan(`export const prerender = !!value;`, '/src/components/index.astro');
 			expect(false).to.be.true;
 		} catch (e) {
 			expect(e.message).to.contain(
@@ -82,7 +82,7 @@ describe('astro scan', () => {
 
 	it('throws on unknown values II', async () => {
 		try {
-			const result = await scan(`export const prerender = value;`, '/src/components/index.astro');
+			await scan(`export const prerender = value;`, '/src/components/index.astro');
 			expect(false).to.be.true;
 		} catch (e) {
 			expect(e.message).to.contain(
@@ -93,7 +93,7 @@ describe('astro scan', () => {
 
 	it('throws on unknown values III', async () => {
 		try {
-			const result = await scan(
+			await scan(
 				`export let prerender = undefined; prerender = true;`,
 				'/src/components/index.astro'
 			);
@@ -107,10 +107,7 @@ describe('astro scan', () => {
 
 	it('throws on unknown values IV', async () => {
 		try {
-			const result = await scan(
-				`let prerender = true; export { prerender }`,
-				'/src/components/index.astro'
-			);
+			await scan(`let prerender = true; export { prerender }`, '/src/components/index.astro');
 			expect(false).to.be.true;
 		} catch (e) {
 			expect(e.message).to.contain(

packages/astro/test/vue-with-multi-renderer.test.js

@@ -1,5 +1,4 @@
 import { expect } from 'chai';
-import * as cheerio from 'cheerio';
 import { loadFixture } from './test-utils.js';
 
 describe('Vue with multi-renderer', () => {

packages/create-astro/src/actions/context.ts

@@ -52,7 +52,7 @@ export async function getContext(argv: string[]): Promise<Context> {
 
 	const pkgManager = detectPackageManager()?.name ?? 'npm';
 	const [username, version] = await Promise.all([getName(), getVersion()]);
-	let cwd = flags['_'][0] as string;
+	let cwd = flags['_'][0];
 	let {
 		'--help': help = false,
 		'--template': template,

packages/create-astro/src/actions/git.ts

@@ -31,7 +31,6 @@ export async function git(ctx: Pick<Context, 'cwd' | 'git' | 'yes' | 'prompt' |
 			end: 'Git initialized',
 			while: () =>
 				init({ cwd: ctx.cwd }).catch((e) => {
-					// eslint-disable-next-line no-console
 					error('error', e);
 					process.exit(1);
 				}),

packages/create-astro/src/actions/template.ts

@@ -1,4 +1,3 @@
-/* eslint no-console: 'off' */
 import type { Context } from './context';
 
 import { color } from '@astrojs/cli-kit';
@@ -34,7 +33,6 @@ export async function template(ctx: Pick<Context, 'template' | 'prompt' | 'dryRu
 			end: 'Template copied',
 			while: () =>
 				copyTemplate(ctx.template!, ctx as Context).catch((e) => {
-					// eslint-disable-next-line no-console
 					if (e instanceof Error) {
 						error('error', e.message);
 						process.exit(1);

packages/create-astro/src/actions/typescript.ts

@@ -63,7 +63,6 @@ export async function typescript(
 			end: 'TypeScript customized',
 			while: () =>
 				setupTypeScript(ts!, { cwd: ctx.cwd }).catch((e) => {
-					// eslint-disable-next-line no-console
 					error('error', e);
 					process.exit(1);
 				}),

packages/create-astro/src/messages.ts

@@ -64,11 +64,11 @@ export const welcome = [
 
 export const getName = () =>
 	new Promise<string>((resolve) => {
-		exec('git config user.name', { encoding: 'utf-8' }, (_1, gitName, _2) => {
+		exec('git config user.name', { encoding: 'utf-8' }, (_1, gitName) => {
 			if (gitName.trim()) {
 				return resolve(gitName.split(' ')[0].trim());
 			}
-			exec('whoami', { encoding: 'utf-8' }, (_3, whoami, _4) => {
+			exec('whoami', { encoding: 'utf-8' }, (_3, whoami) => {
 				if (whoami.trim()) {
 					return resolve(whoami.split(' ')[0].trim());
 				}

packages/integrations/cloudflare/src/index.ts

@@ -93,7 +93,7 @@ export default function createIntegration(args?: Options): AstroIntegration {
 					vite.ssr.target = 'webworker';
 				}
 			},
-			'astro:build:ssr': ({ manifest, entryPoints }) => {
+			'astro:build:ssr': ({ entryPoints }) => {
 				_entryPoints = entryPoints;
 			},
 			'astro:build:done': async ({ pages, routes, dir }) => {
@@ -138,7 +138,7 @@ export default function createIntegration(args?: Options): AstroIntegration {
 						const fileName = entryPointsRouteData[index].component
 							.replace('src/pages/', '')
 							.replace('.astro', '.js')
-							.replace(/(\[\.\.\.)(\w+)(\])/g, (_match, _p1, p2, _p3) => {
+							.replace(/(\[\.\.\.)(\w+)(\])/g, (_match, _p1, p2) => {
 								return `[[${p2}]]`;
 							});
 

packages/integrations/cloudflare/test/test-utils.js

@@ -37,7 +37,6 @@ export function runCLI(basePath, { silent, port = 8787 }) {
 		(async function () {
 			for (const msg of p.stderr) {
 				if (!silent) {
-					// eslint-disable-next-line
 					console.error(msg);
 				}
 			}
@@ -45,7 +44,6 @@ export function runCLI(basePath, { silent, port = 8787 }) {
 
 		for await (const msg of p.stdout) {
 			if (!silent) {
-				// eslint-disable-next-line
 				console.log(msg);
 			}
 			if (msg.includes(`Listening on`)) {

packages/integrations/deno/src/index.ts

@@ -95,7 +95,7 @@ export function getAdapter(args?: Options): AstroAdapter {
 const denoImportsShimPlugin = {
 	name: '@astrojs/deno:shim',
 	setup(build: esbuild.PluginBuild) {
-		build.onLoad({ filter: /__deno_imports\.js$/ }, async (args) => {
+		build.onLoad({ filter: /__deno_imports\.js$/ }, async () => {
 			return {
 				contents: DENO_IMPORTS,
 				loader: 'js',

packages/integrations/deno/src/server.ts

@@ -93,7 +93,6 @@ export function start(manifest: SSRManifest, options: Options) {
 	});
 
 	_startPromise = Promise.resolve(_server.listenAndServe());
-	// eslint-disable-next-line no-console
 	console.error(`Server running on port ${port}`);
 }
 

packages/integrations/deno/test/basics.test.ts

@@ -1,3 +1,5 @@
+/* Deno types consider DOM elements nullable */
+/* eslint-disable @typescript-eslint/no-unnecessary-type-assertion */
 import { DOMParser } from 'https://deno.land/x/deno_dom@v0.1.35-alpha/deno-dom-wasm.ts';
 import { assert, assertEquals } from 'https://deno.land/std@0.158.0/testing/asserts.ts';
 import { runBuildAndStartApp, defaultTestPermissions } from './helpers.ts';

packages/integrations/deno/test/dynamic-import.test.ts

@@ -1,3 +1,5 @@
+/* Deno types consider DOM elements nullable */
+/* eslint-disable @typescript-eslint/no-unnecessary-type-assertion */
 import { DOMParser } from 'https://deno.land/x/deno_dom@v0.1.35-alpha/deno-dom-wasm.ts';
 import { assert, assertEquals } from 'https://deno.land/std@0.158.0/testing/asserts.ts';
 import { runBuildAndStartAppFromSubprocess } from './helpers.ts';

packages/integrations/image/src/build/ssg.ts

@@ -162,7 +162,6 @@ export async function ssgBuild({
 		}
 
 		if (!inputBuffer) {
-			// eslint-disable-next-line no-console
 			warn({ level: logLevel, message: `"${src}" image could not be fetched` });
 			return;
 		}

packages/integrations/image/src/lib/get-image.ts

@@ -1,10 +1,5 @@
 /// <reference types="astro/astro-jsx" />
-import type {
-	ColorDefinition,
-	ImageService,
-	OutputFormat,
-	TransformOptions,
-} from '../loaders/index.js';
+import type { ImageService, OutputFormat, TransformOptions } from '../loaders/index.js';
 import { isSSRService, parseAspectRatio } from '../loaders/index.js';
 import { isRemoteImage } from '../utils/paths.js';
 import type { ImageMetadata } from '../vite-plugin-astro-image.js';
@@ -91,7 +86,7 @@ async function resolveTransform(input: GetImageTransform): Promise<TransformOpti
 		height,
 		aspectRatio,
 		format: format as OutputFormat,
-		background: background as ColorDefinition | undefined,
+		background,
 	};
 }