.jscsrc

// Author: Ian Stewart
// JSCS ^1.5.9
// 
// Derived from AirBnB + LinkedIn Idiomatic + Crockford
// https://github.com/airbnb/javascript
// https://github.com/linkedin/idiomatic.js (Idiomatic fork with Crockford inner spacing)
// http://javascript.crockford.com/code.html
{
  // Keywords
  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch"],
  "disallowKeywords": ["with", "eval"],

  // Functions
  "requireParenthesesAroundIIFE": true,
  "disallowSpacesInNamedFunctionExpression": {
    "beforeOpeningRoundBrace": true
  },
  "requireSpacesInAnonymousFunctionExpression": {
    "beforeOpeningRoundBrace": true
  },

  // Blocks
  "disallowEmptyBlocks": true,
  "disallowNewlineBeforeBlockStatements": true,
  "requireSpaceBeforeBlockStatements": true,

  // Curlies, brackets, parens
  "disallowSpaceAfterObjectKeys": true,
  "requireSpacesInsideObjectBrackets": "allButNested",
  "disallowSpacesInsideArrayBrackets": true,
  "disallowSpacesInsideParentheses": true,
  "requireCurlyBraces": ["for", "while", "do", "try", "catch"],

  // Line breaking  
  "requireCommaBeforeLineBreak": true,
  "requireOperatorBeforeLineBreak": ["+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
  "disallowMultipleLineBreaks": true,

  // Unary operators
  "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
  "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],

  // Binary operators
  "disallowSpaceBeforeBinaryOperators": [","],
  "requireSpaceBeforeBinaryOperators": ["?", "+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<=", "&&", "||"],
  "requireSpaceAfterBinaryOperators": [",", "?", "+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<=", "&&", "||"],

  // Ternary operator
  "requireSpacesInConditionalExpression": {
    "afterTest": true,
    "beforeConsequent": true,
    "afterConsequent": true,
    "beforeAlternate": true
  },

  // Per-line whitespace
  "validateIndentation": 2,
  "disallowTrailingWhitespace": true,
  "requireLineFeedAtFileEnd": true,

  // Do not allow reassignment of "this" (prefer bind instead)
  "safeContextKeyword": "bind",

  // Misc
  "disallowMultipleLineStrings": true,
  "requireDotNotation": true,
  "requireSpaceAfterLineComment": true,
  "disallowYodaConditions": true,
  "disallowTrailingComma": true,

  // JSHint formatting
  "requireCapitalizedConstructors": true,
  "maximumLineLength": 100,
  "validateQuoteMarks": { "mark": "'", "escape": true },
  "requireCamelCaseOrUpperCaseIdentifiers": true,
  "disallowMultipleVarDecl": true

  // TODOs (require new JSCS development)
  // - disallow "}else", require "} else"
  // - disallow "{ a:1 }", require "{ a: 1 }"
  // - allow
  //     if (true) doThis();
  //     if (true) {
  //       doThis();  
  //     }
  //   disallow
  //     if (true)
  //       doThis();
  // - disallowMultipleVarDecl: option to except multiple vars without assignments
  //     allow: var one, two, three;
  //     disallow: var one = 1, two = 2, three = 3;
  // - disallow "test() ;", require "test();"
}