.jshintrc

{
  // JSHint Default Configuration File (as on JSHint website)
  // See http://jshint.com/docs/ for more details

  "maxerr": 50,       // {int} Maximum error before stopping

  /*** Enforcing options ***/
  // Set these to `true` to enforce, or `false` to relax.
  "bitwise": true,     // true: Prohibit bitwise operators (&, |, ^, etc.)
  "camelcase": true,     // true: Identifiers must be in camelCase
  "curly": true,     // true: Require {} for every new block or scope
  "eqeqeq": true,     // true: Require triple equals (===) for comparison
  "forin": true,     // true: Require filtering for..in loops with obj.hasOwnProperty()
  "immed": false,    // true: Require immediate invocations to be wrapped in parens e.g. `(function () { } ());`
  "indent": 2,        // {int} Number of spaces to use for indentation
  "latedef": false,    // true: Require variables/functions to be defined before being used
  "newcap": false,     // true: Require capitalization of all constructor functions e.g. `new F()`
  "noarg": true,     // true: Prohibit use of `arguments.caller` and `arguments.callee`
  "noempty": true,     // true: Prohibit use of empty blocks
  "nonew": true,     // true: Prohibit use of constructors for side-effects (without assignment)
  "plusplus": false,    // true: Prohibit use of `++` & `--`
  "quotmark": "single", // Quotation mark consistency:
  //   false    : do nothing (default)
  //   true     : ensure whatever is used is consistent
  //   "single" : require single quotes
  //   "double" : require double quotes
  "undef": true,     // true: Require all non-global variables to be declared (prevents global leaks)
  "unused": false,    // true: Require all defined variables be used
  "strict": false,    // true: Requires all functions run in ES5 Strict Mode
  "trailing": true,     // true: Prohibit trailing whitespaces
  "maxparams": false,    // {int} Max number of formal params allowed per function
  "maxdepth": false,    // {int} Max depth of nested blocks (within functions)
  "maxstatements": false,    // {int} Max number statements per function
  "maxcomplexity": false,    // {int} Max cyclomatic complexity per function
  "maxlen": false,    // {int} Max number of characters per line

  /*** Relaxing options ***/
  // Set these to `true` to relax, or `false` to enforce.
  "asi": false,     // true: Tolerate Automatic Semicolon Insertion (no semicolons)
  "boss": false,     // true: Tolerate assignments where comparisons would be expected
  "debug": false,     // true: Allow debugger statements e.g. browser breakpoints.
  "eqnull": false,     // true: Tolerate use of `== null`
  "esnext": true,      // true: Allow ES.next (ES6) syntax (ex: `const`)
  "evil": false,     // true: Tolerate use of `eval` and `new Function()`
  "expr": true,      // true: Tolerate `ExpressionStatement` as Programs
  "funcscope": false,     // true: Tolerate defining variables inside control statements"
  "globalstrict": false,     // true: Allow global "use strict" (also enables 'strict')
  "iterator": false,     // true: Tolerate using the `__iterator__` property
  "lastsemic": false,     // true: Tolerate omitting a semicolon for the last statement of a 1-line block
  "laxbreak": false,     // true: Tolerate possibly unsafe line breakings
  "laxcomma": true,      // true: Tolerate comma-first style coding
  "loopfunc": false,     // true: Tolerate functions being defined in loops
  "multistr": false,     // true: Tolerate multi-line strings
  "proto": false,     // true: Tolerate using the `__proto__` property
  "scripturl": false,     // true: Tolerate script-targeted URLs
  "smarttabs": false,     // true: Tolerate mixed tabs/spaces when used for alignment
  "shadow": false,     // true: Allows re-define variables later in code e.g. `var x=1; x=2;`
  "sub": false,     // true: Tolerate using `[]` notation when it can still be expressed in dot notation
  "supernew": false,     // true: Tolerate `new function () { ... };` and `new Object;`
  "validthis": false,     // true: Tolerate using this in a non-constructor function

  /*** Environments ***/
  // Set each environment that you're using to `true`.
  "browser": true,     // Web Browser (window, document, etc)
  "couch": false,    // CouchDB
  "devel": true,     // Development/debugging (alert, confirm, etc)
  "dojo": false,    // Dojo Toolkit
  "jquery": false,    // jQuery
  "mootools": false,    // MooTools
  "node": true,     // Node.js
  "nonstandard": false,    // Widely adopted globals (escape, unescape, etc)
  "prototypejs": false,    // Prototype and Scriptaculous
  "rhino": false,    // Rhino
  "worker": false,    // Web Workers
  "wsh": false,    // Windows Scripting Host
  "yui": false,    // Yahoo User Interface

  /*** Legacy from JSLint ***/
  // Set these to `true` to enforce, or `false` to relax.
  "nomen": false,    // true: Prohibit dangling `_` in variables
  "onevar": false,    // true: Allow only one `var` statement per function
  "passfail": false,    // true: Stop on first error
  "white": true,     // true: Check against strict whitespace and indentation rules

  /*** Globals ***/
  // To ignore any custom global variables, enable the `predef` option and list
  // your variables within it.
  "predef": [
    "d3",
    "moment", // moment.js
    "$", // jQuery
    "calendarHeatmap"
  ]
}