.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true
    },
    "extends": "eslint:recommended",
    "plugins": [
        "mozilla"
    ],
    "globals": {
        "Components": false,
        "Services": false,
        "Cc": false,
        "Ci": false,
        "TAB_DROP_TYPE": false,
        "TabsInTitlebar": false
    },
    "rules": {
      "mozilla/import-globals-from": 1,
      "array-bracket-spacing": [2, "never"],
      "camelcase": 0,
      "comma-dangle": 0,
      "comma-spacing": 2,
      "computed-property-spacing": [2, "never"],
      "curly": 2,
      "default-case": 0,
      "eqeqeq": [2, "smart"],
      "generator-star-spacing": [2, {"before": false, "after": false}],
      "id-blacklist": 0,
      "indent": [2, 2],
      "no-bitwise": 1,
      "no-console": 1,
      "no-empty-function": 0,
      "no-magic-numbers": 0,
      "no-mixed-spaces-and-tabs": [2, "smart-tabs"],
      "no-shadow": 0,
      "no-trailing-spaces": [2, {"skipBlankLines": false}],
      "no-unused-vars": [2, {"vars": "local", "args": "none"}],
      "object-curly-spacing": [2, "never"],
      "no-var": 2,
      "prefer-const": 0,
      "quotes": [2, "single", "avoid-escape"],
      "semi": [2, "always"],
      "space-before-function-paren": [2, {"anonymous": "always", "named": "never"}],
      "space-infix-ops": 2,
      "space-unary-ops": 2
    }
}