.jshintrc

{
    "esnext": true,          // true: Allow ES.next (ES6) syntax (ex: `const`)
    "browserify": true,      // Browserify (node.js code in the browser)
    "quotmark": "single",    // Quotation mark consistency
    "indent": 4,             // {int} Number of spaces to use for indentation
    "curly": true,           // true: Require {} for every new block or scope
    "plusplus": false,       // true: Prohibit use of `++` & `--`
    "eqeqeq": true,          // true: Require triple equals (===) for comparison
    "forin": true,           // true: Require filtering for..in loops with obj.hasOwnProperty()
    "freeze": true,          // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
    "varstmt": false,        // true: Disallow any var statements. Only `let` and `const` are allowed.
    "asi": false,            // true: Tolerate Automatic Semicolon Insertion (no semicolons)
    "multistr": false,       // true: Tolerate multi-line strings
    "supernew": false,       // true: Tolerate `new function () { ... };` and `new Object;`
    "strict": true,          // true: Requires all functions run in ES5 Strict Mode
    "noempty": true,         // true: Prohibit use of empty blocks
    "boss": false,           // true: Tolerate assignments where comparisons would be expected
    "newcap": false,         // true: Require capitalization of all constructor functions e.g. `new F()`
    "latedef": false,        // true: Require variables/functions to be defined before being used
    "proto": false,          // true: Tolerate using the `__proto__` property
    "debug": true,           // true: Allow debugger statements e.g. browser breakpoints.
    "globalstrict": true,    // true: Allow global "use strict" (also enables 'strict')
    "evil": false,           // true: Tolerate use of `eval` and `new Function()`
    "laxbreak": false,       // true: Tolerate possibly unsafe line breakings
    "laxcomma": false,       // true: Tolerate comma-first style coding
    "browser": true,         // Web Browser (window, document, etc)
    "devel": true,           // Development/debugging (alert, confirm, etc)
    "jquery": false,         // jQuery
    "node": true,            // Node.js
    "validthis": true,
    "predef": [
        "require",
        "define",
        "notify",
        "fetch"
    ]
}