.eslintrc

{
  env: {
    node: true,
    mocha: true
  },

  rules: {
    // Best Practices
    curly: [2, all],
    dot-notation: 2,
    eqeqeq: [2, allow-null],
    guard-for-in: 2,
    no-caller: 2,
    no-multi-str: 2,
    no-multi-spaces: 2,
    no-unused-vars: 2,
    no-with: 2,

    // Variables
    no-undef: 2,

    // Stylistic Issues
    array-bracket-spacing: [2, never],
    brace-style: [2, 1tbs, {allowSingleLine: true}],
    camelcase: [2, {properties: never}],
    eol-last: 2,
    indent: [2, 2, {VariableDeclarator: 2, SwitchCase: 1}],
    key-spacing: [2, {beforeColon: false, afterColon: true}],
    new-cap: 2,
    no-mixed-spaces-and-tabs: [2, smart-tabs],
    no-multiple-empty-lines: 2,
    no-trailing-spaces: 2,
    object-curly-spacing: [2, never],
    operator-linebreak: [2, after],
    quotes: [2, single, avoid-escape],
    semi-spacing: [2, {before: false, after: true}],
    space-after-keywords: [2, always],
    space-before-function-paren: [2, {anonymous: never, named: never}],
    space-before-blocks: [2,always],
    space-in-parens: [2, never],
    space-infix-ops: 2,
    space-unary-ops: [2, {nonwords: false}],
    space-return-throw-case: 2,

    // Legacy
    max-len: [2, 80, 4, {ignoreUrls: true}]
  }
}