app-decorators/src/helpers/namespace.js

Collection of useful ES7 Decorators, writtin in ES6, that can be used for building webapps

System.register(['app-decorators/src/libs/element-to-function'], function (_export, _context) {
	"use strict";

	var _elementToFunc, namespace;

	return {
		setters: [function (_appDecoratorsSrcLibsElementToFunction) {
			_elementToFunc = _appDecoratorsSrcLibsElementToFunction.default;
		}],
		execute: function () {
			_export('namespace', namespace = {

				/**
     * create a namespace on passed target
     * @param  {object} target
     * @param  {string} namespace_string
     * @return {target}
     */
				create: function create() {
					var target = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
					var namespace_string = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
					var add = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;


					var parts = namespace_string.split('.');
					var parent = target;

					for (var i = 0, length = parts.length; i < length; i++) {

						if (typeof parent[parts[i]] === 'undefined') {
							parent[parts[i]] = {};
						}
						if (add && i + 1 === length) {
							parent[parts[i]] = add;
						}
						parent = parent[parts[i]];
					}

					return target;
				}

			});

			_export('namespace', namespace);
		}
	};
});
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