transition-manager/lib/utils/unique.js

Transition Manager. Framework independent transition manager to transition elements using states and actions.

'use strict';

Object.defineProperty(exports, '__esModule', {
	value: true
});
'use strict';

/**
 * join two arrays and prevent duplication
 * @param  {array} target 
 * @param  {array} arrays 
 * @return {array} 
 */
function unique(target, arrays) {
	target = target || [];
	var combined = target.concat(arrays);
	target = [];

	var len = combined.length,
	    i = -1,
	    ObjRef;

	while (++i < len) {
		ObjRef = combined[i];
		if (target.indexOf(ObjRef) === -1 && ObjRef !== '' & ObjRef !== (null || undefined)) {
			target[target.length] = ObjRef;
		}
	}
	return target;
}

exports['default'] = unique;
module.exports = exports['default'];