eslint.config.js

const js = require("@eslint/js");

const baseGlobals = {
  Foundation: "readonly",
  jQuery: "readonly",
  $: "readonly",
  console: "readonly",
  document: "readonly",
  window: "readonly",
  navigator: "readonly",
  URL: "readonly",
  fetch: "readonly",
  Headers: "readonly",
  getComputedStyle: "readonly",
  localStorage: "readonly",
  FormData: "readonly",
  setTimeout: "readonly",
  clearTimeout: "readonly",
  setInterval: "readonly",
  clearInterval: "readonly",
  AbortController: "readonly",
  Option: "readonly"
};

module.exports = [
  {
    ignores: [
      "html/js/dist/",
      "html/js/datatables.*.js",
      "html/js/jquery*.js",
      "html/js/sigma.*.js",
      "html/js/hc-sticky.js",
      "html/js/scrollNav.js",
      "html/js/stikelem.js"
    ]
  },
  {
    files: ["html/js/*.js"],
    languageOptions: {
      ecmaVersion: 2020,
      sourceType: "script",
      globals: baseGlobals
    },
    rules: {
      ...js.configs.recommended.rules,
      "accessor-pairs": "error",
      "array-bracket-newline": "error",
      "array-bracket-spacing": "off",
      "array-callback-return": "error",
      "array-element-newline": "off",
      "arrow-body-style": "error",
      "arrow-parens": "error",
      "arrow-spacing": "error",
      "block-scoped-var": "error",
      "block-spacing": "error",
      "brace-style": "off",
      "callback-return": "error",
      camelcase: "off",
      "capitalized-comments": "off",
      "class-methods-use-this": "error",
      "comma-dangle": "off",
      "comma-spacing": "off",
      "comma-style": ["error", "last"],
      complexity: "error",
      "computed-property-spacing": "off",
      "consistent-return": "off",
      "consistent-this": "error",
      curly: "error",
      "default-case": "error",
      "dot-location": "error",
      "dot-notation": "error",
      "eol-last": "off",
      eqeqeq: "off",
      "func-call-spacing": "error",
      "func-name-matching": "error",
      "func-names": "off",
      "func-style": ["error", "declaration"],
      "function-paren-newline": "off",
      "generator-star-spacing": "error",
      "global-require": "error",
      "guard-for-in": "error",
      "handle-callback-err": "error",
      "id-denylist": "error",
      "id-length": "off",
      "id-match": "error",
      "implicit-arrow-linebreak": "error",
      indent: "off",
      "init-declarations": "off",
      "jsx-quotes": "error",
      "key-spacing": "off",
      "keyword-spacing": "off",
      "line-comment-position": "off",
      "lines-around-comment": "error",
      "lines-around-directive": "error",
      "lines-between-class-members": "error",
      "max-classes-per-file": "error",
      "max-depth": "off",
      "max-len": "off",
      "max-lines": "off",
      "max-lines-per-function": "off",
      "max-nested-callbacks": "error",
      "max-params": ["error", { max: 5 }],
      "max-statements": "off",
      "max-statements-per-line": "error",
      "multiline-comment-style": "off",
      "new-parens": "error",
      "newline-after-var": "off",
      "newline-before-return": "error",
      "newline-per-chained-call": "off",
      "no-alert": "error",
      "no-array-constructor": "error",
      "no-async-promise-executor": "error",
      "no-await-in-loop": "off",
      "no-bitwise": "error",
      "no-buffer-constructor": "error",
      "no-caller": "error",
      "no-catch-shadow": "error",
      "no-confusing-arrow": "error",
      "no-continue": "off",
      "no-div-regex": "error",
      "no-duplicate-imports": "error",
      "no-else-return": "off",
      "no-empty-function": "error",
      "no-eq-null": "error",
      "no-eval": "error",
      "no-extend-native": "error",
      "no-extra-bind": "error",
      "no-extra-label": "error",
      "no-extra-parens": "off",
      "no-floating-decimal": "error",
      "no-implicit-coercion": "error",
      "no-implicit-globals": "off",
      "no-implied-eval": "error",
      "no-inline-comments": "off",
      "no-inner-declarations": ["error", "functions"],
      "no-invalid-this": "off",
      "no-iterator": "error",
      "no-label-var": "error",
      "no-labels": "error",
      "no-lone-blocks": "error",
      "no-lonely-if": "error",
      "no-loop-func": "error",
      "no-magic-numbers": "off",
      "no-misleading-character-class": "error",
      "no-mixed-operators": ["error", { allowSamePrecedence: true }],
      "no-mixed-requires": "error",
      "no-multi-assign": "error",
      "no-multi-spaces": "off",
      "no-multi-str": "error",
      "no-multiple-empty-lines": "off",
      "no-global-assign": "error",
      "no-negated-condition": "error",
      "no-unsafe-negation": "error",
      "no-nested-ternary": "error",
      "no-new": "error",
      "no-new-func": "error",
      "no-new-object": "error",
      "no-new-require": "error",
      "no-new-wrappers": "error",
      "no-octal-escape": "error",
      "no-param-reassign": "error",
      "no-path-concat": "error",
      "no-plusplus": ["error", { allowForLoopAfterthoughts: true }],
      "no-process-env": "error",
      "no-process-exit": "error",
      "no-proto": "error",
      "no-prototype-builtins": "error",
      "no-restricted-globals": "error",
      "no-restricted-imports": "error",
      "no-restricted-modules": "error",
      "no-restricted-properties": "error",
      "no-restricted-syntax": "error",
      "no-return-assign": "error",
      "no-return-await": "error",
      "no-script-url": "error",
      "no-self-compare": "error",
      "no-sequences": "error",
      "no-shadow": "off",
      "no-shadow-restricted-names": "error",
      "no-spaced-func": "error",
      "no-sync": "error",
      "no-tabs": "off",
      "no-template-curly-in-string": "error",
      "no-ternary": "off",
      "no-throw-literal": "error",
      "no-trailing-spaces": "off",
      "no-undef-init": "error",
      "no-undefined": "warn",
      "no-underscore-dangle": "error",
      "no-unmodified-loop-condition": "error",
      "no-unneeded-ternary": "error",
      "no-unused-expressions": "error",
      "no-use-before-define": "off",
      "no-useless-call": "error",
      "no-useless-assignment": "off",
      "no-useless-computed-key": "error",
      "no-useless-concat": "off",
      "no-useless-constructor": "error",
      "no-useless-rename": "error",
      "no-useless-return": "error",
      "no-var": "warn",
      "no-void": "error",
      "no-warning-comments": "error",
      "no-whitespace-before-property": "error",
      "no-with": "error",
      "nonblock-statement-body-position": "error",
      "object-curly-newline": "error",
      "object-curly-spacing": "off",
      "object-property-newline": "off",
      "object-shorthand": "off",
      "one-var": "off",
      "one-var-declaration-per-line": "error",
      "operator-assignment": ["error", "always"],
      "operator-linebreak": "off",
      "padded-blocks": "off",
      "padding-line-between-statements": "error",
      "prefer-arrow-callback": "off",
      "prefer-const": "error",
      "prefer-destructuring": "off",
      "prefer-numeric-literals": "error",
      "prefer-object-spread": "error",
      "prefer-promise-reject-errors": "error",
      "prefer-reflect": "off",
      "prefer-rest-params": "off",
      "prefer-spread": "error",
      "prefer-template": "off",
      "quote-props": "off",
      quotes: "off",
      radix: "off",
      "require-atomic-updates": "error",
      "require-await": "error",
      "require-jsdoc": "off",
      "require-unicode-regexp": "off",
      "rest-spread-spacing": "error",
      semi: "error",
      "semi-spacing": ["error", { after: true, before: false }],
      "semi-style": "off",
      "sort-imports": "error",
      "sort-keys": "off",
      "sort-vars": "off",
      "space-before-blocks": "off",
      "space-before-function-paren": "off",
      "space-in-parens": "off",
      "space-infix-ops": "off",
      "space-unary-ops": "off",
      "spaced-comment": "off",
      strict: ["error", "never"],
      "switch-colon-spacing": "error",
      "symbol-description": "error",
      "template-curly-spacing": "error",
      "template-tag-spacing": "error",
      "unicode-bom": ["error", "never"],
      "vars-on-top": "off",
      "wrap-regex": "error",
      "yield-star-spacing": "error",
      yoda: "off"
    }
  },
  {
    files: ["gulpfile.mjs", "html/js/display-list-of-tags.js", "html/js/display-map.js", "html/js/display-tag.js", "html/js/image-editor.js", "html/js/rewind-browser.js"],
    languageOptions: {
      ecmaVersion: 2020,
      sourceType: "module",
      globals: baseGlobals
    },
    rules: {
      ...js.configs.recommended.rules
    }
  },
  {
    files: ["html/js/display.js", "html/js/product-multilingual.js"],
    rules: {
      "no-unused-vars": "off"
    }
  }
];