eslint-config-resultsdm/rules/style.js

Results Driven Marketing's ESLint config, following our styleguide

module.exports = {
  rules: {
    // Enforce spacing inside array brackets
    'array-bracket-spacing': [2, 'never'],
    // Enforce one true brace style
    'brace-style': [2, '1tbs', { allowSingleLine: true }],
    // Require camel case names
    camelcase: [2, { properties: 'never' }],
    // Enforce spacing before and after comma
    'comma-spacing': [2, { before: false, after: true }],
    // Enforce one true comma style
    'comma-style': [2, 'last'],
    // Disallow padding inside computed properties
    'computed-property-spacing': [2, 'never'],
    // Enforces consistent naming when capturing the current execution context
    'consistent-this': 0,
    // Enforce newline at the end of file, with no multiple empty lines
    'eol-last': 2,
    // Require function expressions to have a name
    'func-names': 1,
    // Enforces use of function declarations or expressions
    'func-style': 0,
    // This option enforces minimum and maximum identifier lengths
    // (variable names, property names etc.)
    'id-length': 0,
    // This option sets a specific tab width for your code
    // https://github.com/eslint/eslint/blob/master/docs/rules/indent.md
    indent: [2, 2, { SwitchCase: 1, VariableDeclarator: 1 }],
    // Specify whether double or single quotes should be used in JSX attributes
    // http://eslint.org/docs/rules/jsx-quotes
    'jsx-quotes': [2, 'prefer-double'],
    // Enforces spacing between keys and values in object literal properties
    'key-spacing': [2, { beforeColon: false, afterColon: true }],
    // Enforces empty lines around comments
    'lines-around-comment': 0,
    // Disallow mixed 'LF' and 'CRLF' as linebreaks
    'linebreak-style': 0,
    // Specify the maximum length of a line in your program
    // https://github.com/eslint/eslint/blob/master/docs/rules/max-len.md
    'max-len': [2, 100, 2, {
      ignoreUrls: true,
      ignoreComments: false,
    }],
    // Specify the maximum depth callbacks can be nested
    'max-nested-callbacks': 0,
    // Require a capital letter for constructors
    'new-cap': [2, { newIsCap: true }],
    // Disallow the omission of parentheses when invoking a constructor with no arguments
    'new-parens': 0,
    // Allow/disallow an empty newline after var statement
    'newline-after-var': 0,
    // Disallow use of the Array constructor
    'no-array-constructor': 0,
    // Disallow use of the continue statement
    'no-continue': 0,
    // Disallow comments inline after code
    'no-inline-comments': 0,
    // Disallow if as the only statement in an else block
    'no-lonely-if': 0,
    // Disallow mixed spaces and tabs for indentation
    'no-mixed-spaces-and-tabs': 2,
    // Disallow multiple empty lines and only one newline at the end
    'no-multiple-empty-lines': [2, { max: 2, maxEOF: 1 }],
    // Disallow nested ternary expressions
    'no-nested-ternary': 2,
    // Disallow use of the Object constructor
    'no-new-object': 2,
    // Disallow space between function identifier and application
    'no-spaced-func': 2,
    // Disallow the use of ternary operators
    'no-ternary': 0,
    // Disallow trailing whitespace at the end of lines
    'no-trailing-spaces': 2,
    // Disallow dangling underscores in identifiers
    'no-underscore-dangle': 0,
    // Disallow the use of Boolean literals in conditional expressions
    // Also, prefer `a || b` over `a ? a : b`
    // http://eslint.org/docs/rules/no-unneeded-ternary
    'no-unneeded-ternary': [2, { defaultAssignment: false }],
    // Require padding inside curly braces
    'object-curly-spacing': [2, 'always'],
    // Allow just one var statement per function
    'one-var': [2, 'never'],
    // Require assignment operator shorthand where possible or prohibit it entirely
    'operator-assignment': 0,
    // Enforce operators to be placed before or after line breaks
    'operator-linebreak': 0,
    // Enforce padding within blocks
    'padded-blocks': [2, 'never'],
    // Require quotes around object literal property names
    // http://eslint.org/docs/rules/quote-props.html
    'quote-props': [2, 'as-needed', { keywords: false, unnecessary: true, numbers: false }],
    // Specify whether double or single quotes should be used
    quotes: [2, 'single', 'avoid-escape'],
    // Require identifiers to match the provided regular expression
    'id-match': 0,
    // Enforce spacing before and after semicolons
    'semi-spacing': [2, { before: false, after: true }],
    // Require or disallow use of semicolons instead of ASI
    semi: [2, 'always'],
    // Sort variables within the same declaration block
    'sort-vars': 0,
    // Require a space before certain keywords
    'space-before-keywords': [2, 'always'],
    // Require a space after certain keywords
    'space-after-keywords': [2, 'always'],
    // Require or disallow space before blocks
    'space-before-blocks': 2,
    // Require or disallow space before function opening parenthesis
    // https://github.com/eslint/eslint/blob/master/docs/rules/space-before-function-paren.md
    'space-before-function-paren': [2, { anonymous: 'always', named: 'never' }],
    // Require or disallow spaces inside parentheses
    'space-in-parens': [2, 'never'],
    // Require spaces around operators
    'space-infix-ops': 2,
    // Require a space after return, throw, and case
    'space-return-throw-case': 2,
    // Require or disallow spaces before/after unary operators
    'space-unary-ops': 0,
    // Require or disallow a space immediately following the // or /* in a comment
    'spaced-comment': [2, 'always', {
      exceptions: ['-', '+'],
      markers: ['=', '!'],           // Space here to support sprockets directives
    }],
    // Require regex literals to be wrapped in parentheses
    'wrap-regex': 0,
  },
};