KUZ-410: normalize chaining

[scottinet]

• .eslintrc is now deprecated, using .eslintrc.json instead
• Removed chaining capabilities from functions with required callbacks
• Added chaining capabilities to functions with optional callbacks
• Simplified some callback handling, shaving some space from the minified library

[codecov-io]

Current coverage is 100% (diff: 100%)

Merging #108 into develop will not change coverage

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- Hits          1631   1522   -109   
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[ballinette]

so the options parameter should be removed from the function definition?

Kuzzle.prototype.getMyRights = function (options, cb) {
// (...)
   if (!cb && typeof options === 'function') {
     cb = options;
     options = null;
   }
// (...)
}

[scottinet]

You're right, this seems to be an old mistake. Fixing it right away.

[scottinet]

Fixed.

[ballinette]

👍

[ballinette]

Need to clean-up the jsdoc:
remove @returns {object} this when the method no longer returns the chaining object.
Add it when the chaining has been added.

Despite of that, 👍 for me ;)

[scottinet]

Dang, you're right about jsdoc :-(

It has been updated.