.eslintrc.json

{
  "env": {
    "browser": true,
    "jasmine": true,
    "mocha": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "globals": {
    "sinon": true
  },
  "root": true,
  "rules": {
    "array-bracket-spacing": ["error", "never"],
    "block-scoped-var": ["error"],
    "block-spacing": ["error", "always"],
    "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
    "comma-dangle": ["error", "never"],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "comma-style": ["error", "last"],
    "computed-property-spacing": ["error", "never"],
    "consistent-this": ["error", "_self"],
    "dot-location": ["error", "property"],
    "eol-last": ["error", "unix"],
    "guard-for-in": ["error"],
    "indent": ["error", 2, { "SwitchCase": 1, "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }],
    "key-spacing": ["error", { "beforeColon": false, "afterColon": true }],
    "keyword-spacing": ["error", { "before": true, "after": true }],
    "linebreak-style": ["error", "unix"],
    "new-cap": ["error", { "newIsCap": true, "capIsNew": false }],
    "new-parens": ["error"],
    "no-alert": ["error"],
    "no-array-constructor": ["error"],
    "no-caller": ["error"],
    "no-console": ["error", { "allow": ["info", "warn", "error"] }],
    "no-eval": ["error"],
    "no-extra-bind": ["error"],
    "no-floating-decimal": ["error"],
    "no-implicit-globals": ["error"],
    "no-implied-eval": ["error"],
    "no-labels": ["error"],
    "no-lone-blocks": ["error"],
    "no-lonely-if": ["error"],
    "no-loop-func": ["error"],
    "no-multi-spaces": ["error"],
    "no-multiple-empty-lines": ["error", { "max": 1, "maxBOF": 0, "maxEOF": 0 }],
    "no-native-reassign": ["error"],
    "no-new": ["error"],
    "no-new-func": ["error"],
    "no-new-wrappers": ["error"],
    "no-octal-escape": ["error"],
    "no-return-assign": ["error"],
    "no-script-url": ["error"],
    "no-self-compare": ["error"],
    "no-sequences": ["error"],
    "no-shadow": ["error"],
    "no-shadow-restricted-names": ["error"],
    "no-spaced-func": ["error"],
    "no-trailing-spaces": ["error"],
    "no-undef-init": ["error"],
    "no-unneeded-ternary": ["error"],
    "no-unused-vars": ["error", { "vars": "all", "args": "all", "argsIgnorePattern": "^_" }],
    "no-use-before-define": ["error", "nofunc"],
    "no-useless-call": ["error"],
    "no-useless-concat": ["error"],
    "no-useless-escape": ["error"],
    "no-void": ["error"],
    "no-whitespace-before-property": ["error"],
    "no-with": ["error"],
    "object-curly-spacing": ["error", "always"],
    "operator-assignment": ["error", "always"],
    "operator-linebreak": ["error", "after"],
    "padded-blocks": ["error", "never"],
    "quote-props": ["error", "consistent"],
    "quotes": ["error", "double"],
    "radix": ["error"],
    "semi": ["error", "always"],
    "semi-spacing": ["error", { "before": false, "after": true }],
    "space-before-blocks": ["error", "always"],
    "space-before-function-paren": ["error", "never"],
    "space-in-parens": ["error", "never"],
    "space-infix-ops": ["error"],
    "space-unary-ops": ["error", { "words": true, "nonwords": false }],
    "wrap-iife": ["error", "inside"]
  }
}