react-material-ui-icon-picker/lib/IconsStorage.js

material-ui-icon-picker

'use strict';

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

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

var _promiseDefer = require('promise-defer');

var _promiseDefer2 = _interopRequireDefault(_promiseDefer);

var instance = null;

var IconsStorage = (function () {
	function IconsStorage() {
		_classCallCheck(this, IconsStorage);

		if (instance) {
			return instance;
		}

		this.requestWaitingForIcons = [];
		instance = this;
	}

	_createClass(IconsStorage, [{
		key: 'getIcons',
		value: function getIcons() {
			var _this = this;

			if (this.icons) {
				return Promise.resolve(this.icons);
			}

			if (this.isLoadingIcons) {
				var p = new _promiseDefer2['default']();

				this.requestWaitingForIcons.push(p);
				return p.promise;
			}

			this.isLoadingIcons = true;

			return fetch('https://raw.githubusercontent.com/google/material-design-icons/master/iconfont/codepoints').then(function (response) {
				return response.text();
			}).then(function (data) {
				return data.split('\n');
			}).then(function (namesAndCodes) {
				return namesAndCodes.map(function (nameAndCode) {
					var parts = nameAndCode.split(' ');
					return {
						name: parts[0],
						code: parts[1]
					};
				});
			}).then(function (icons) {
				_this.icons = icons;
				_this.isLoadingIcons = false;
				if (_this.requestWaitingForIcons.length > 0) {
					_this.requestWaitingForIcons.map(function (awaitingPromise) {
						awaitingPromise.resolve(icons);
					});
				}

				return icons;
			});
		}
	}]);

	return IconsStorage;
})();

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