config/eslint.js

   1 const globals = require("globals");
   2 const js = require("@eslint/js");
   3 const erb = require("eslint-plugin-erb");
   4 const stylisticJs = require("@stylistic/eslint-plugin-js");
   5
   6 module.exports = [
   7   js.configs.recommended,
   8   erb.configs.recommended,
   9   {
  10     plugins: {
  11       "@stylistic": stylisticJs
  12     },
  13     languageOptions: {
  14       ecmaVersion: 2021,
  15       sourceType: "script",
  16       globals: {
  17         ...globals.browser,
  18         ...globals.jquery,
  19         Cookies: "readonly",
  20         I18n: "readonly",
  21         L: "readonly",
  22         OSM: "writable",
  23         Matomo: "readonly",
  24         Turbo: "readonly",
  25         updateLinks: "readonly"
  26       }
  27     },
  28     linterOptions: {
  29       // The "unused disable directive" is set to "warn" by default.
  30       // For the ERB plugin to work correctly, you must disable
  31       // this directive to avoid issues described here
  32       // https://github.com/eslint/eslint/discussions/18114
  33       // If you're using the CLI, you might also use the following flag:
  34       // --report-unused-disable-directives-severity=off
  35       reportUnusedDisableDirectives: "off"
  36     },
  37     rules: {
  38       "@stylistic/array-bracket-newline": ["error", "consistent"],
  39       "@stylistic/array-bracket-spacing": "error",
  40       "@stylistic/block-spacing": "error",
  41       "@stylistic/brace-style": ["error", "1tbs", { allowSingleLine: true }],
  42       "@stylistic/comma-dangle": "error",
  43       "@stylistic/comma-spacing": "error",
  44       "@stylistic/comma-style": "error",
  45       "@stylistic/computed-property-spacing": "error",
  46       "@stylistic/dot-location": ["error", "property"],
  47       "@stylistic/eol-last": "error",
  48       "@stylistic/func-call-spacing": "error",
  49       "@stylistic/indent": ["error", 2, {
  50         SwitchCase: 1,
  51         VariableDeclarator: "first",
  52         FunctionDeclaration: { parameters: "first" },
  53         FunctionExpression: { parameters: "first" },
  54         CallExpression: { arguments: "first" }
  55       }],
  56       "@stylistic/key-spacing": "error",
  57       "@stylistic/keyword-spacing": "error",
  58       "@stylistic/no-floating-decimal": "error",
  59       "@stylistic/no-mixed-operators": "error",
  60       "@stylistic/no-multiple-empty-lines": "error",
  61       "@stylistic/no-multi-spaces": "error",
  62       "@stylistic/no-trailing-spaces": "error",
  63       "@stylistic/no-whitespace-before-property": "error",
  64       "@stylistic/object-curly-newline": ["error", { consistent: true }],
  65       "@stylistic/object-curly-spacing": ["error", "always"],
  66       "@stylistic/object-property-newline": ["error", { allowAllPropertiesOnSameLine: true }],
  67       "@stylistic/operator-linebreak": ["error", "after"],
  68       "@stylistic/padded-blocks": ["error", "never"],
  69       "@stylistic/quote-props": ["error", "consistent-as-needed", { keywords: true, numbers: true }],
  70       "@stylistic/quotes": ["error", "double"],
  71       "@stylistic/semi": ["error", "always"],
  72       "@stylistic/semi-spacing": "error",
  73       "@stylistic/semi-style": "error",
  74       "@stylistic/space-before-blocks": "error",
  75       "@stylistic/space-before-function-paren": ["error", { named: "never" }],
  76       "@stylistic/space-in-parens": "error",
  77       "@stylistic/space-infix-ops": "error",
  78       "@stylistic/space-unary-ops": "error",
  79       "@stylistic/switch-colon-spacing": "error",
  80       "@stylistic/wrap-iife": "error",
  81       "@stylistic/wrap-regex": "error",
  82
  83       "accessor-pairs": "error",
  84       "array-callback-return": "error",
  85       "block-scoped-var": "error",
  86       "curly": ["error", "multi-line", "consistent"],
  87       "dot-notation": "error",
  88       "eqeqeq": ["error", "smart"],
  89       "no-alert": "warn",
  90       "no-array-constructor": "error",
  91       "no-caller": "error",
  92       "no-console": "warn",
  93       "no-div-regex": "error",
  94       "no-eq-null": "error",
  95       "no-eval": "error",
  96       "no-extend-native": "error",
  97       "no-extra-bind": "error",
  98       "no-extra-label": "error",
  99       "no-implicit-coercion": "warn",
 100       "no-implicit-globals": "warn",
 101       "no-implied-eval": "error",
 102       "no-invalid-this": "error",
 103       "no-iterator": "error",
 104       "no-labels": "error",
 105       "no-label-var": "error",
 106       "no-lone-blocks": "error",
 107       "no-lonely-if": "error",
 108       "no-loop-func": "error",
 109       "no-multi-str": "error",
 110       "no-negated-condition": "error",
 111       "no-nested-ternary": "error",
 112       "no-new": "error",
 113       "no-new-func": "error",
 114       "no-new-wrappers": "error",
 115       "no-object-constructor": "error",
 116       "no-octal-escape": "error",
 117       "no-param-reassign": "error",
 118       "no-proto": "error",
 119       "no-script-url": "error",
 120       "no-self-compare": "error",
 121       "no-sequences": "error",
 122       "no-throw-literal": "error",
 123       "no-undef-init": "error",
 124       "no-undefined": "error",
 125       "no-unmodified-loop-condition": "error",
 126       "no-unneeded-ternary": "error",
 127       "no-unused-expressions": "off",
 128       "no-unused-vars": ["error", { caughtErrors: "none" }],
 129       "no-useless-call": "error",
 130       "no-useless-concat": "error",
 131       "no-useless-return": "error",
 132       "no-use-before-define": ["error", { functions: false }],
 133       "no-void": "error",
 134       "no-warning-comments": "warn",
 135       "radix": ["error", "always"],
 136       "yoda": "error"
 137     }
 138   },
 139   {
 140     // Additional configuration for test files
 141     files: ["test/**/*.js"],
 142     languageOptions: {
 143       globals: {
 144         ...globals.mocha,
 145         expect: "readonly",
 146         assert: "readonly",
 147         should: "readonly"
 148       }
 149     }
 150   },
 151   {
 152     files: ["config/eslint.js"],
 153     languageOptions: {
 154       ecmaVersion: 2019,
 155       sourceType: "commonjs",
 156       globals: {
 157         ...globals.commonjs
 158       }
 159     }
 160   }
 161 ];