.jshintrc

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

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

    "esversion": 6,

    // Enforcing
    "bitwise" : true, // true: Prohibit bitwise operators (&, |, ^, etc.)
    "camelcase" : false, // 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" : 4, // {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" : false, // true: Prohibit use of constructors for side-effects (without assignment)
    "plusplus" : false, // true: Prohibit use of `++` & `--`
    "quotmark" : false, // 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" : true, // true: Require all defined variables be used
    "strict" : true, // true: Requires all functions run in ES5 Strict Mode
    "trailing" : false, // 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
    "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`
    "es5" : false, // true: Allow ES5 syntax (ex: getters and setters)
    "esnext" : false, // true: Allow ES.next (ES6) syntax (ex: `const`)
    "moz" : false, // true: Allow Mozilla specific syntax (extends and overrides esnext features)
                                 // (ex: `for each`, multiple try/catch, function expression…)
    "evil" : false, // true: Tolerate use of `eval` and `new Function()`
    "expr" : false, // 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" : false, // 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
    "browser" : true, // Web Browser (window, document, etc)
    "couch" : false, // CouchDB
    "devel" : true, // Development/debugging (alert, confirm, etc)
    "dojo" : false, // Dojo Toolkit
    "jquery" : true, // 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
    "mocha": true,

    // Legacy
    "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" : false, // true: Check against strict whitespace and indentation rules

    // Custom Globals
    "globals" : {
        "Promise": true
    } // additional predefined global variables
}