{
  'plugins': [
    'promise'
  ],
  'env': {
    'browser': true,
    'amd': true
  },
  'globals': {
    'M': true,
    'Y': true
  },
  'rules': {
    // See http://eslint.org/docs/rules/ for all rules and explanations of all
    // rules.

    // === Possible Errors ===
    'comma-dangle': 'off',
    'no-compare-neg-zero': 'error',
    'no-cond-assign': 'error',
    'no-console': 'error',
    'no-constant-condition': 'error',
    'no-control-regex': 'error',
    'no-debugger': 'error',
    'no-dupe-args': 'error',
    'no-dupe-keys': 'error',
    'no-duplicate-case': 'error',
    'no-empty': 'warn',
    'no-empty-character-class': 'error',
    'no-ex-assign': 'error',
    'no-extra-boolean-cast': 'error',
    'no-extra-parens': 'off',
    'no-extra-semi': 'error',
    'no-func-assign': 'error',
    'no-inner-declarations': 'error',
    'no-invalid-regexp': 'error',
    'no-irregular-whitespace': 'error',
    'no-obj-calls': 'error',
    'no-prototype-builtins': 'off',
    'no-regex-spaces': 'error',
    'no-sparse-arrays': 'error',
    'no-unexpected-multiline': 'error',
    'no-unreachable': 'warn',
    'no-unsafe-finally': 'error',
    'no-unsafe-negation': 'error',
    'use-isnan': 'error',
    'valid-jsdoc': [
      'warn',
      {
        'requireReturn': false,
        'requireParamDescription': false,
        'requireReturnDescription': false
      }
    ],
    'valid-typeof': 'error',
    // === Best Practices ===
    // (these mostly match our jshint config)
    'array-callback-return': 'warn',
    'block-scoped-var': 'warn',
    'complexity': 'warn',
    'consistent-return': 'warn',
    'curly': 'error',
    'dot-notation': 'warn',
    'no-alert': 'warn',
    'no-caller': 'error',
    'no-case-declarations': 'error',
    'no-div-regex': 'error',
    'no-empty-pattern': 'error',
    'no-empty-function': 'warn',
    'no-eq-null': 'error',
    'no-eval': 'error',
    'no-extend-native': 'error',
    'no-extra-bind': 'warn',
    'no-fallthrough': 'error',
    'no-floating-decimal': 'warn',
    'no-global-assign': 'warn',
    'no-implied-eval': 'error',
    'no-invalid-this': 'error',
    'no-iterator': 'error',
    'no-labels': 'error',
    'no-loop-func': 'error',
    'no-multi-spaces': 'warn',
    'no-multi-str': 'error',
    'no-new-func': 'error',
    'no-new-wrappers': 'error',
    'no-octal': 'error',
    'no-octal-escape': 'error',
    'no-proto': 'error',
    'no-redeclare': 'warn',
    'no-return-assign': 'error',
    'no-script-url': 'error',
    'no-self-assign': 'error',
    'no-self-compare': 'error',
    'no-sequences': 'warn',
    'no-throw-literal': 'warn',
    'no-unmodified-loop-condition': 'error',
    'no-unused-expressions': 'error',
    'no-unused-labels': 'error',
    'no-useless-call': 'warn',
    'no-useless-escape': 'warn',
    'no-with': 'error',
    'wrap-iife': [
      'error',
      'any'
    ],
    // === Variables ===
    'no-delete-var': 'error',
    'no-undef': 'error',
    'no-undef-init': 'error',
    'no-unused-vars': [
      'error',
      {
        'caughtErrors': 'none'
      }
    ],
    // === Stylistic Issues ===
    'array-bracket-spacing': 'warn',
    'block-spacing': 'warn',
    'brace-style': [
      'warn',
      '1tbs'
    ],
    'camelcase': 'warn',
    'capitalized-comments': [
      'warn',
      'always',
      {
        'ignoreConsecutiveComments': true
      }
    ],
    'comma-spacing': [
      'warn',
      {
        'before': false,
        'after': true
      }
    ],
    'comma-style': [
      'warn',
      'last'
    ],
    'computed-property-spacing': 'error',
    'consistent-this': 'off',
    'eol-last': 'off',
    'func-call-spacing': [
      'warn',
      'never'
    ],
    'func-names': 'off',
    'func-style': 'off',
    // indent currently not doing well with our wrapping style, so disabled.
    'indent': [
      'off',
      4,
      {
        'SwitchCase': 1
      }
    ],
    'key-spacing': [
      'warn',
      {
        'beforeColon': false,
        'afterColon': true,
        'mode': minimum
      }
    ],
    'keyword-spacing': 'warn',
    'linebreak-style': [
      'error',
      'unix'
    ],
    'lines-around-comment': 'off',
    'max-len': [
      'error',
      132
    ],
    'max-lines': 'off',
    'max-depth': 'warn',
    'max-nested-callbacks': [
      'warn',
      5
    ],
    'max-params': 'off',
    'max-statements': 'off',
    'max-statements-per-line': [
      'warn',
      {
        max: 2
      }
    ],
    'new-cap': [
      'warn',
      {
        'properties': false
      }
    ],
    'new-parens': 'warn',
    'newline-after-var': 'off',
    'newline-before-return': 'off',
    'newline-per-chained-call': 'off',
    'no-array-constructor': 'off',
    'no-bitwise': 'error',
    'no-continue': 'off',
    'no-inline-comments': 'off',
    'no-lonely-if': 'off',
    'no-mixed-operators': 'off',
    'no-mixed-spaces-and-tabs': 'error',
    'no-multiple-empty-lines': 'warn',
    'no-negated-condition': 'off',
    'no-nested-ternary': 'warn',
    'no-new-object': 'off',
    'no-plusplus': 'off',
    'no-tabs': 'error',
    'no-ternary': 'off',
    'no-trailing-spaces': 'error',
    'no-underscore-dangle': 'off',
    'no-unneeded-ternary': 'off',
    'no-whitespace-before-property': 'warn',
    'object-curly-newline': 'off',
    'object-curly-spacing': 'warn',
    'object-property-newline': 'off',
    'one-var': 'off',
    'one-var-declaration-per-line': [
      'warn',
      'initializations'
    ],
    'operator-assignment': 'off',
    'operator-linebreak': 'off',
    'padded-blocks': 'off',
    'quote-props': [
      'warn',
      'as-needed',
      {
        'unnecessary': false,
        'keywords': true,
        'numbers': true
      }
    ],
    'quotes': 'off',
    'require-jsdoc': 'warn',
    'semi': 'error',
    'semi-spacing': [
      'warn',
      {
        'before': false,
        'after': true
      }
    ],
    'sort-vars': 'off',
    'space-before-blocks': 'warn',
    'space-before-function-paren': [
      'warn',
      'never'
    ],
    'space-in-parens': 'warn',
    'space-infix-ops': 'warn',
    'space-unary-ops': 'warn',
    'spaced-comment': 'warn',
    'unicode-bom': 'error',
    'wrap-regex': 'off',
    // === Promises ===
    'promise/always-return': 'warn',
    'promise/no-return-wrap': 'warn',
    'promise/param-names': 'warn',
    'promise/catch-or-return': [
      'warn',
      {
        terminationMethod: [
          'catch',
          'fail'
        ]
      }
    ],
    'promise/no-native': 'warn',
    'promise/no-promise-in-callback': 'warn',
    'promise/no-callback-in-promise': 'warn',
    'promise/avoid-new': 'warn',
    // === Deprecations ===
    "no-restricted-properties": [
      'warn',
      {
        'object': 'M',
        'property': 'str',
        'message': 'Use AMD module "core/str" or M.util.get_string()'
      }
    ]
  },
  overrides: [
    {
      files: [
        "**/yui/src/**/*.js"
      ],
      // Disable some rules which we can't safely define for YUI rollups.
      rules: {
        'no-undef': 'off',
        'no-unused-vars': 'off',
        'no-unused-expressions': 'off'
      }
    },
    {
      files: [
        "**/amd/src/*.js"
      ],
      // Check AMD with some slightly stricter rules.
      rules: {
        'no-unused-vars': 'error',
        'no-implicit-globals': 'error'
      }
    }
  ]
}
