A default config file for JavaScript Code Style - JSCS

.jscsrc

{
  "requireCurlyBraces": ["if", "else", "for", "while", "do", "try", "catch", "case", "default"],
  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch"],
  "requireParenthesesAroundIIFE": true,
  "requireSpacesInFunctionExpression": { "beforeOpeningCurlyBrace": true },
  "disallowSpacesInFunctionExpression": { "beforeOpeningRoundBrace": true },
  "requireMultipleVarDecl": true,
  "disallowEmptyBlocks": true,
  "disallowSpacesInsideObjectBrackets": true,
  "disallowSpacesInsideArrayBrackets": true,
  "disallowSpacesInsideParentheses": true,
  "disallowQuotedKeysInObjects": "allButReserved",
  "requireCommaBeforeLineBreak": true,
  "requireOperatorBeforeLineBreak": ["?", "+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
  "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
  "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
  "requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
  "requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
  "disallowKeywords": ["with"],
  "validateLineBreaks": "LF",
  "validateQuoteMarks": "'",
  "disallowMixedSpacesAndTabs": true,
  "disallowTrailingWhitespace": true,
  "disallowKeywordsOnNewLine": ["else"],
  "requireLineFeedAtFileEnd": true,
  "maximumLineLength": 300,
  "requireCapitalizedConstructors": true,
  "requireDotNotation": true,
  "validateIndentation" : 4,
  "excludeFiles": ["node_modules/**"]
}