Files
test-repo/.eslintrc.cjs
T

443 lines
11 KiB
JavaScript

"use strict";
const path = require("node:path");
const { isCI } = require("ci-info");
module.exports = {
root: true,
env: {
es2022: true,
node: true,
},
parserOptions: {
ecmaVersion: "latest",
sourceType: "module",
},
extends: [
"eslint:recommended",
"prettier",
"plugin:regexp/recommended",
"plugin:unicorn/recommended",
],
plugins: [
"@stylistic/js",
"@typescript-eslint",
"import",
"n",
"prettier-internal-rules",
"regexp",
"simple-import-sort",
"unicorn",
],
rules: {
"arrow-body-style": ["error", "as-needed"],
curly: "error",
"dot-notation": "error",
eqeqeq: "error",
"logical-assignment-operators": "error",
"no-console": isCI ? "error" : "warn",
"no-constant-binary-expression": "error",
"no-duplicate-imports": "error",
"no-else-return": [
"error",
{
allowElseIf: false,
},
],
"no-implicit-coercion": "error",
"no-inner-declarations": "error",
"no-lonely-if": "error",
"no-restricted-syntax": [
"error",
// `!foo === bar` and `!foo !== bar`
'BinaryExpression[operator=/^[!=]==$/] > UnaryExpression.left[operator="!"]',
],
"no-unneeded-ternary": "error",
"no-useless-return": "error",
"no-unused-expressions": [
"error",
{
allowShortCircuit: true,
allowTernary: true,
},
],
"no-unused-vars": [
"error",
{
ignoreRestSiblings: true,
},
],
"no-var": "error",
"object-shorthand": [
"error",
"always",
{
avoidExplicitReturnArrows: true,
},
],
"one-var": ["error", "never"],
"prefer-arrow-callback": "error",
"prefer-const": [
"error",
{
destructuring: "all",
},
],
"prefer-destructuring": [
"error",
{
VariableDeclarator: {
array: false,
object: true,
},
AssignmentExpression: {
array: false,
object: false,
},
},
{
enforceForRenamedProperties: false,
},
],
"prefer-object-has-own": "error",
"prefer-object-spread": "error",
"prefer-rest-params": "error",
"prefer-spread": "error",
"require-await": "error",
"symbol-description": "error",
yoda: [
"error",
"never",
{
exceptRange: true,
},
],
// Internal rules
"prettier-internal-rules/jsx-identifier-case": "error",
"prettier-internal-rules/no-identifier-n": "error",
"prettier-internal-rules/prefer-fs-promises-submodule": "error",
// @typescript-eslint/eslint-plugin
"@typescript-eslint/prefer-ts-expect-error": "error",
"@stylistic/js/quotes": [
"error",
"double",
{
avoidEscape: true,
},
],
// eslint-plugin-import
"import/extensions": ["error", "ignorePackages"],
"import/no-extraneous-dependencies": [
"error",
{
devDependencies: [
"jest.config.js",
"tests/**",
"scripts/**",
"website/**/*",
],
},
],
"import/no-anonymous-default-export": [
"error",
{
allowArray: true,
allowArrowFunction: true,
allowAnonymousClass: false,
allowAnonymousFunction: false,
allowCallExpression: true,
allowNew: true,
allowLiteral: true,
allowObject: true,
},
],
// eslint-plugin-n
"n/no-path-concat": "error",
// eslint-plugin-regexp
"regexp/match-any": [
"error",
{
allows: ["dotAll"],
},
],
/* cspell:disable-next-line */
"regexp/no-extra-lookaround-assertions": "error",
"regexp/no-missing-g-flag": "error",
"regexp/no-useless-flag": [
"error",
{
strictTypes: false,
},
],
/* cspell:disable-next-line */
"regexp/prefer-lookaround": [
"error",
{
strictTypes: false,
},
],
// Conflicting with `unicorn/better-regex`
"regexp/strict": "off",
// Hard to fix
"regexp/no-empty-alternative": "off",
"regexp/no-super-linear-backtracking": "off",
"simple-import-sort/imports": "error",
"simple-import-sort/exports": "error",
// eslint-plugin-unicorn
"unicorn/escape-case": "off",
"unicorn/catch-error-name": "off",
"unicorn/consistent-destructuring": "off",
"unicorn/consistent-function-scoping": "off",
"unicorn/import-style": "off",
"unicorn/no-array-callback-reference": "off",
"unicorn/no-array-method-this-argument": "off",
"unicorn/no-array-reduce": "off",
"unicorn/no-await-expression-member": "off",
"unicorn/no-for-loop": "off",
"unicorn/no-hex-escape": "off",
"unicorn/no-negated-condition": "off",
"unicorn/no-nested-ternary": "off",
"unicorn/no-null": "off",
"unicorn/no-process-exit": "off",
"unicorn/no-thenable": "off",
"unicorn/no-unreadable-array-destructuring": "off",
"unicorn/no-useless-switch-case": "off",
"unicorn/no-useless-undefined": [
"error",
{
checkArrowFunctionBody: false,
},
],
"unicorn/number-literal-case": "off",
"unicorn/numeric-separators-style": "off",
"unicorn/prefer-array-flat": [
"error",
{
functions: ["flat", "flatten"],
},
],
"unicorn/prefer-add-event-listener": "off",
"unicorn/prefer-at": [
"error",
{
getLastElementFunctions: ["getLast"],
},
],
"unicorn/prefer-code-point": "off",
"unicorn/prefer-dom-node-append": "off",
"unicorn/prefer-dom-node-remove": "off",
"unicorn/prefer-export-from": [
"error",
{
ignoreUsedVariables: true,
},
],
"unicorn/prefer-query-selector": "off",
"unicorn/prefer-ternary": "off",
"unicorn/prevent-abbreviations": "off",
"unicorn/relative-url-style": "off",
"unicorn/switch-case-braces": ["error", "avoid"],
},
overrides: [
// CommonJS modules
{
files: [
"**/*.cjs",
"scripts/tools/eslint-plugin-prettier-internal-rules/**/*.js",
"website/**/*.js",
],
parserOptions: {
sourceType: "script",
},
rules: {
strict: "error",
"unicorn/prefer-module": "off",
"unicorn/prefer-node-protocol": "off",
},
},
{
files: ["scripts/**/*", "tests/config/install-prettier.js"],
rules: {
"no-console": "off",
},
},
{
files: ["scripts/**/*.js"],
rules: {
"unicorn/prefer-top-level-await": "error",
},
},
{
files: [
"tests/config/**/*.js",
"tests/format/**/jsfmt.spec.js",
"tests/integration/**/*.js",
"tests/unit/**/*.js",
"tests/dts/unit/**/*.js",
"scripts/release/__tests__/**/*.spec.js",
],
env: {
jest: true,
},
plugins: ["jest"],
rules: {
"@stylistic/js/quotes": [
"error",
"double",
{
avoidEscape: true,
allowTemplateLiterals: true,
},
],
"jest/valid-expect": [
"error",
{
alwaysAwait: true,
},
],
"jest/prefer-to-be": "error",
},
},
{
files: ["tests/format/**/*.js"],
rules: {
"prettier-internal-rules/no-legacy-format-test-fixtures": "error",
},
},
{
files: ["tests/integration/**/*.js"],
rules: {
"prettier-internal-rules/await-cli-tests": "error",
},
},
{
files: ["tests/**/*.js"],
rules: {
// TODO: Enable this when we drop support for Node.js v14
"logical-assignment-operators": "off",
"unicorn/prefer-array-flat": "off",
"unicorn/prefer-array-flat-map": "off",
"unicorn/prefer-string-replace-all": "off",
},
globals: {
run_spec: "readonly",
runCli: "readonly",
},
},
{
files: ["src/cli/**/*.js"],
rules: {
"n/no-restricted-import": [
"error",
[
{
name: [
path.resolve(__dirname, "src/**"),
`!${path.resolve(__dirname, "src/cli/**")}`,
`!${path.resolve(__dirname, "src/index.js")}`,
],
message: "Don't use code from other directory.",
},
],
],
},
},
{
files: "src/language-js/needs-parens.js",
rules: {
"prettier-internal-rules/better-parent-property-check-in-needs-parens":
"error",
},
},
{
files: "src/**/*.js",
rules: {
"prettier-internal-rules/flat-ast-path-call": "error",
"prettier-internal-rules/no-conflicting-comment-check-flags": "error",
"prettier-internal-rules/no-doc-public-import": "error",
"prettier-internal-rules/no-empty-flat-contents-for-if-break": "error",
"prettier-internal-rules/no-unnecessary-ast-path-call": "error",
"prettier-internal-rules/prefer-ast-path-each": "error",
"prettier-internal-rules/prefer-indent-if-break": "error",
"prettier-internal-rules/prefer-is-non-empty-array": "error",
"prettier-internal-rules/prefer-ast-path-getters": "error",
},
},
{
files: ["src/language-*/**/*.js"],
rules: {
"prettier-internal-rules/directly-loc-start-end": "error",
},
},
{
files: ["src/language-js/**/*.js"],
excludedFiles: ["src/language-js/parse/postprocess/*.js"],
rules: {
"prettier-internal-rules/no-node-comments": [
"error",
{
file: "src/language-js/utils/index.js",
functions: ["hasComment", "getComments"],
},
"src/language-js/pragma.js",
"src/language-js/parse/babel.js",
"src/language-js/parse/meriyah.js",
"src/language-js/parse/json.js",
"src/language-js/parse/acorn.js",
"src/language-js/parse/utils/wrap-babel-expression.js",
],
"prettier-internal-rules/prefer-create-type-check-function": [
"error",
{
ignoreSingleType: true,
onlyTopLevelFunctions: true,
},
],
},
},
{
files: ["website/**/*"],
env: {
browser: true,
worker: true,
},
extends: ["plugin:react/recommended"],
settings: {
react: {
version: "18",
},
},
rules: {
"react/display-name": "off",
"react/no-deprecated": "off",
"react/prop-types": "off",
"unicorn/filename-case": "off",
},
},
{
files: ["website/playground/**/*"],
parserOptions: {
sourceType: "module",
},
},
{
files: ["bin/prettier.cjs"],
parserOptions: {
ecmaVersion: 5,
},
rules: {
"no-var": "off",
"prefer-arrow-callback": "off",
},
},
],
};