.eslintrc.json

{
    "env": {
        "browser": true
    },
    "extends": "eslint:all",
    "parserOptions": {
        "ecmaVersion": 6
    },
    "rules": {
        "array-element-newline": ["error", "consistent"],
        "camelcase": "off",
        "capitalized-comments": "off",
        "curly": "off",
        "dot-location": ["error", "property"],
        "func-names": "off",
        "func-style": ["error", "declaration"],
        "id-length": ["error", { "min": 1 }],
        "key-spacing": ["error", { "align": "value" }],
        "max-len": ["error", { "code": 120 }],
        "max-lines": ["warn", 350],
        "max-params": ["warn", 5],
        "max-statements": ["warn", 40],
        "multiline-ternary": ["error", "always-multiline"],
        "new-cap": ["error", { "capIsNewExceptions": [
            "BrowserOpenAddonsMgr",
            "ConvertToUnicode",
            "GetMsgHdrForKey",
            "GetMessageHeader",
            "MsgCopyMessage",
            "MsgHdrToMimeMessage",
            "MsgMoveMessage",
            "QueryInterface"
        ]}],
        "newline-per-chained-call": ["error", { "ignoreChainWithDepth": 4 }],
        "no-alert": "off",
        "no-continue": "off",
        "no-extra-parens": ["error", "functions"],
        "no-implicit-globals": "off",
        "no-magic-numbers": "off",
        "no-mixed-operators": "off",
        "no-plusplus": "off",
        "no-ternary": "off",
        "no-use-before-define": ["error", { "functions": false }],
        "nonblock-statement-body-position": "off",
        "object-curly-newline": ["error", { "consistent": true }],
        "object-shorthand": "off",
        "one-var": "off",
        "padded-blocks": "off",
        "prefer-arrow-callback": "off",
        "prefer-named-capture-group": "off",
        "prefer-template": "off",
        "quote-props" : ["error", "consistent-as-needed"],
        "require-jsdoc": "off",
        "require-unicode-regexp": "off",
        "space-before-function-paren": ["error", {
            "anonymous": "always",
            "named": "never"
        }],
        "strict": ["error", "global"],
        "wrap-iife": ["error", "any"]
    },
    "globals": {
        "AddonManager": false,
        "BrowserOpenAddonsMgr": false,
        "Components": false,
        "FolderDisplayWidget": false,
        "gDBView": false,
        "gMessageDisplay": false,
        "gMessageListeners": false,
        "MailUtils": false,
        "MsgCopyMessage": false,
        "MsgHdrToMimeMessage": false,
        "MsgMoveMessage": false,
        "optionObserver": false,
        "Services": false
    }
}