259 строки
9.9 KiB
JavaScript
259 строки
9.9 KiB
JavaScript
// @ts-check
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import eslint from "@eslint/js";
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import * as regexpPlugin from "eslint-plugin-regexp";
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import fs from "fs";
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import globals from "globals";
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import { createRequire } from "module";
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import path from "path";
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import tseslint from "typescript-eslint";
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import url from "url";
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const __filename = url.fileURLToPath(new URL(import.meta.url));
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const __dirname = path.dirname(__filename);
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const require = createRequire(import.meta.url);
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const rulesDir = path.join(__dirname, "scripts", "eslint", "rules");
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const ext = ".cjs";
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const ruleFiles = fs.readdirSync(rulesDir).filter(p => p.endsWith(ext));
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export default tseslint.config(
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{
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files: ["**/*.{ts,tsx,cts,mts,js,cjs,mjs}"],
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},
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{
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ignores: [
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"**/node_modules/**",
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"built/**",
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"tests/**",
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"lib/**",
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"src/lib/*.generated.d.ts",
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"scripts/**/*.js",
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"scripts/**/*.d.*",
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"internal/**",
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"coverage/**",
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],
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},
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eslint.configs.recommended,
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...tseslint.configs.recommended,
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...tseslint.configs.stylistic,
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regexpPlugin.configs["flat/recommended"],
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{
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plugins: {
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local: {
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rules: Object.fromEntries(ruleFiles.map(p => {
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return [p.slice(0, -ext.length), require(path.join(rulesDir, p))];
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})),
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},
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},
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},
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{
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languageOptions: {
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parserOptions: {
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warnOnUnsupportedTypeScriptVersion: false,
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},
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globals: globals.node,
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},
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},
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{
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rules: {
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// eslint
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"dot-notation": "error",
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"eqeqeq": "error",
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"no-caller": "error",
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"no-constant-condition": ["error", { checkLoops: false }],
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"no-eval": "error",
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"no-extra-bind": "error",
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"no-new-func": "error",
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"no-new-wrappers": "error",
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"no-return-await": "error",
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"no-template-curly-in-string": "error",
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"no-throw-literal": "error",
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"no-undef-init": "error",
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"no-var": "error",
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"object-shorthand": "error",
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"prefer-const": "error",
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"prefer-object-spread": "error",
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"unicode-bom": ["error", "never"],
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"no-restricted-syntax": [
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"error",
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{
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selector: "Literal[raw=null]",
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message: "Avoid using null; use undefined instead.",
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},
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{
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selector: "TSNullKeyword",
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message: "Avoid using null; use undefined instead.",
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},
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],
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// Enabled in eslint:recommended, but not applicable here
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"no-extra-boolean-cast": "off",
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"no-case-declarations": "off",
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"no-cond-assign": "off",
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"no-control-regex": "off",
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"no-inner-declarations": "off",
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// @typescript-eslint/eslint-plugin
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"@typescript-eslint/naming-convention": [
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"error",
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{ selector: "typeLike", format: ["PascalCase"], filter: { regex: "^(__String|[A-Za-z]+_[A-Za-z]+)$", match: false } },
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{ selector: "interface", format: ["PascalCase"], custom: { regex: "^I[A-Z]", match: false }, filter: { regex: "^I(Arguments|TextWriter|O([A-Z][a-z]+[A-Za-z]*)?)$", match: false } },
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{ selector: "variable", format: ["camelCase", "PascalCase", "UPPER_CASE"], leadingUnderscore: "allow", filter: { regex: "^(_{1,2}filename|_{1,2}dirname|_+|[A-Za-z]+_[A-Za-z]+)$", match: false } },
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{ selector: "function", format: ["camelCase", "PascalCase"], leadingUnderscore: "allow", filter: { regex: "^[A-Za-z]+_[A-Za-z]+$", match: false } },
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{ selector: "parameter", format: ["camelCase"], leadingUnderscore: "allow", filter: { regex: "^(_+|[A-Za-z]+_[A-Z][a-z]+)$", match: false } },
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{ selector: "method", format: ["camelCase", "PascalCase"], leadingUnderscore: "allow", filter: { regex: "^([0-9]+|[A-Za-z]+_[A-Za-z]+)$", match: false } },
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{ selector: "memberLike", format: ["camelCase"], leadingUnderscore: "allow", filter: { regex: "^([0-9]+|[A-Za-z]+_[A-Za-z]+)$", match: false } },
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{ selector: "enumMember", format: ["camelCase", "PascalCase"], leadingUnderscore: "allow", filter: { regex: "^[A-Za-z]+_[A-Za-z]+$", match: false } },
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// eslint-disable-next-line no-restricted-syntax
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{ selector: "property", format: null },
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],
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"@typescript-eslint/unified-signatures": "error",
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"no-unused-expressions": "off",
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"@typescript-eslint/no-unused-expressions": ["error", { allowTernary: true }],
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// Rules enabled in typescript-eslint configs that are not applicable here
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"@typescript-eslint/ban-ts-comment": "off",
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"@typescript-eslint/class-literal-property-style": "off",
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"@typescript-eslint/consistent-indexed-object-style": "off",
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"@typescript-eslint/consistent-generic-constructors": "off",
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"@typescript-eslint/no-duplicate-enum-values": "off",
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"@typescript-eslint/no-empty-function": "off",
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"@typescript-eslint/no-namespace": "off",
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"@typescript-eslint/no-non-null-asserted-optional-chain": "off",
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"@typescript-eslint/no-var-requires": "off",
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"@typescript-eslint/no-empty-interface": "off",
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"@typescript-eslint/no-explicit-any": "off",
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"@typescript-eslint/no-empty-object-type": "off", // {} is a totally useful and valid type.
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"@typescript-eslint/no-require-imports": "off",
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"@typescript-eslint/no-unused-vars": [
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"warn",
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{
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// Ignore: (solely underscores | starting with exactly one underscore)
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argsIgnorePattern: "^(_+$|_[^_])",
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varsIgnorePattern: "^(_+$|_[^_])",
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// Not setting an ignore pattern for caught errors; those can always be safely removed.
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},
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],
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"@typescript-eslint/no-inferrable-types": "off",
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// Pending https://github.com/typescript-eslint/typescript-eslint/issues/4820
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"@typescript-eslint/prefer-optional-chain": "off",
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// scripts/eslint/rules
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"local/only-arrow-functions": [
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"error",
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{
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allowNamedFunctions: true,
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allowDeclarations: true,
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},
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],
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"local/argument-trivia": "error",
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"local/no-in-operator": "error",
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"local/debug-assert": "error",
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"local/no-keywords": "error",
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"local/jsdoc-format": "error",
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"local/js-extensions": "error",
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"local/no-array-mutating-method-expressions": "error",
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},
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},
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{
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files: ["**/*.mjs", "**/*.mts"],
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rules: {
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// These globals don't exist outside of CJS files.
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"no-restricted-globals": [
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"error",
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{ name: "__filename" },
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{ name: "__dirname" },
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{ name: "require" },
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{ name: "module" },
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{ name: "exports" },
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],
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},
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},
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{
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files: ["src/**"],
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languageOptions: {
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parserOptions: {
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tsconfigRootDir: __dirname,
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project: "./src/tsconfig-eslint.json",
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},
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},
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},
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{
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files: ["scripts/**"],
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languageOptions: {
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parserOptions: {
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tsconfigRootDir: __dirname,
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project: "./scripts/tsconfig.json",
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},
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},
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},
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{
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files: ["src/**"],
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rules: {
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"@typescript-eslint/no-unnecessary-type-assertion": "error",
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"no-restricted-globals": [
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"error",
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{ name: "setTimeout" },
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{ name: "clearTimeout" },
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{ name: "setInterval" },
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{ name: "clearInterval" },
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{ name: "setImmediate" },
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{ name: "clearImmediate" },
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{ name: "performance" },
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],
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"local/no-direct-import": "error",
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},
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},
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{
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files: ["src/harness/**", "src/testRunner/**"],
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rules: {
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"no-restricted-globals": "off",
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"regexp/no-super-linear-backtracking": "off",
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"local/no-direct-import": "off",
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},
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},
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{
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files: ["src/**/_namespaces/**"],
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rules: {
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"local/no-direct-import": "off",
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},
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},
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{
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files: ["src/lib/*.d.ts"],
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...tseslint.configs.disableTypeChecked,
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},
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{
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files: ["src/lib/*.d.ts"],
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languageOptions: {
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globals: {},
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},
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rules: {
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"@typescript-eslint/interface-name-prefix": "off",
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"@typescript-eslint/prefer-function-type": "off",
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"@typescript-eslint/unified-signatures": "off",
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"@typescript-eslint/no-unsafe-function-type": "off",
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"@typescript-eslint/no-wrapper-object-types": "off",
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"@typescript-eslint/no-unused-vars": "off",
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// scripts/eslint/rules
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"local/no-keywords": "off",
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// eslint
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"no-var": "off",
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"no-restricted-globals": "off",
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"no-shadow-restricted-names": "off",
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"no-restricted-syntax": "off",
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},
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},
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{
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files: ["src/lib/es2019.array.d.ts"],
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rules: {
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"@typescript-eslint/array-type": "off",
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},
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},
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);
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