.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "es2021": true
  },
  "extends": [
    "airbnb-base"
  ],
  "globals": {
    "appWindow" : "writable",
    "gDBView" : "readonly",
    "dump" : "readonly",
    "msgWindow" : "readonly",
    "GetSelectedMsgFolders" : "readonly",
    "KeyEvent" : "readonly",
    "gFolderTreeView" : "writable",
    "messenger": "writable",
    "Console": "readonly",
    "Services": "readonly",
    "Preferences": "readonly",
    "globalThis": "readonly",
    "WL": "readonly",
    "RemoveDupes": "writable",
    "ChromeUtils": "readonly",
    "Components": "readonly",
    "Ci": "readonly",
    "Cc": "readonly",
    "Cr": "readonly",
    "Cu": "readonly"
  },
  "parserOptions": {
    "ecmaVersion": 2022
  },
  "rules": {
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 0,
        "MemberExpression" : "off",
        "ignoreComments": true
      }
    ],
    "max-len": [
      "error",
      {
        "code": 130,
        "tabWidth": 2
      }
    ],
    "quotes": [
      "off", "double"
    ],
    "operator-linebreak": [
      2, "after", {
        "overrides": { "?": "after", ":": "none" }
      }
    ],
    "comma-dangle": ["error", {
        "arrays": "only-multiline",
        "objects": "only-multiline",
        "imports": "only-multiline",
        "exports": "only-multiline",
        "functions": "never"
    }],
    "func-names": ["off", "always"],
    "comment: the following all come from airbnb-base, let's leave them off": "off",
    "key-spacing": "off",
    "array-callback-return": "off",
    "camelcase": "off",
    "class-methods-use-this": "off",
    "eqeqeq": "off",
    "guard-for-in": "off",
    "max-classes-per-file": "off",
    "new-cap": "off",
    "no-bitwise": "off",
    "no-console": "off",
    "no-continue": "off",
    "no-empty": "off",
    "no-multi-spaces": "off",
    "no-param-reassign": "off",
    "no-plusplus": "off",
    "no-prototype-builtins": "off",
    "no-restricted-syntax": "off",
    "no-underscore-dangle": "off",
    "no-unused-expressions": "off",
    "no-use-before-define": "off",
    "function-call-argument-newline" : "off",
    "one-var-declaration-per-line": "off",
    "no-multi-assign": "off",
    "one-var": "off",
    "vars-on-top": "off",
    "no-var": "off",
    "prefer-const": "off",
    "prefer-destructuring": "off",
    "function-paren-newline": "off",
    "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 1, "maxBOF": 1} ],
    "comment: will need to look at the following one-by-one": "off",
    "no-unused-vars": "off"
  }
}