/**
* Util that provides unique IDs.
*
* @class djs.util.IdGenerator
* @constructor
* @memberOf djs.util
*
* The ids can be customized via a given prefix and contain a random value to avoid collisions.
*
* @param {String} prefix a prefix to prepend to generated ids (for better readability)
*/
export default function IdGenerator(prefix) {
this._counter = 0;
this._prefix = (prefix ? prefix + '-' : '') + Math.floor(Math.random() * 1000000000) + '-';
}
/**
* Returns a next unique ID.
*
* @method djs.util.IdGenerator#next
*
* @returns {String} the id
*/
IdGenerator.prototype.next = function() {
return this._prefix + (++this._counter);
};
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