analytics/webcontent/bi/js/dashboard-analytics/glass/services/VidaResourceLoaderService.js

'use strict';

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

/**
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: Dashboard
 *| (C) Copyright IBM Corp. 2020
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */

define(['underscore', 'com/ibm/vida/control/vida', 'text!../../visualizations/vipr/viprVisLibrary.json'], function (_, vida, viprVisLibrary) {
	'use strict';

	var hostAPI = {};

	/**
  * This class is exposed as a glass service;  the CA Mobile App will use it to "warm up" VIDA
  */

	var VidaResourceLoader = function () {
		function VidaResourceLoader() {
			_classCallCheck(this, VidaResourceLoader);
		}

		VidaResourceLoader.prototype.initialize = function initialize() {
			var _this = this;

			if (this.done) return Promise.resolve();
			this.done = true;
			try {
				var bundles = JSON.parse(viprVisLibrary).system;
				_.extend(this, vida.VIPR.create({ bundles: bundles }));
				var bundleIds = bundles.map(function (bundle) {
					return bundle.id;
				});
				var promises = [];
				bundleIds.forEach(function (id) {
					return promises.push(_this._loadBundle(id));
				});
				var loadPromise = this._delay();
				return Promise.all(promises).then(function () {
					bundleIds.forEach(function (id) {
						loadPromise = loadPromise.then(_this._loadWidgetResources.bind(_this, id));
					});
					return loadPromise;
				});
			} catch (err) {
				console.debug(err);
				return Promise.resolve();
			}
		};

		VidaResourceLoader.prototype._loadWidgetResources = function _loadWidgetResources(id) {
			var _this2 = this;

			var widget = void 0;
			return this._delay().then(function () {
				widget = new vida.SmallMultipleGrid({ vipr: _this2, hostAPI: hostAPI }, id);
				return widget.newViz(id, 'client');
			}).then(function () {
				if (widget && typeof widget.destroy === 'function') {
					return widget.destroy();
				}
			}).catch(console.debug);
		};

		VidaResourceLoader.prototype._loadBundle = function _loadBundle(id) {
			return this.load(id).then(function (bundle) {
				return vida.SmallMultipleGrid.extendVizBundle(bundle);
			}).catch(console.debug);
		};

		VidaResourceLoader.prototype._delay = function _delay() {
			var time = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 50;

			return new Promise(function (resolve) {
				return setTimeout(resolve, time);
			});
		};

		return VidaResourceLoader;
	}();

	return VidaResourceLoader;
});
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