48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
/* global config */
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var ScriptUtil = require('../util/ScriptUtil');
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// Load the integration of a third-party analytics API such as Google Analytics.
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// Since we cannot guarantee the quality of the third-party service (e.g. their
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// server may take noticeably long time to respond), it is in our best interest
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// (in the sense that the intergration of the analytics API is important to us
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// but not enough to allow it to prevent people from joining a conference) to
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// download the API asynchronously. Additionally, Google Analytics will download
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// its implementation asynchronously anyway so it makes sense to append the
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// loading on our side rather than prepend it.
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if (config.disableThirdPartyRequests !== true) {
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ScriptUtil.loadScript(
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'analytics.js?v=1',
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/* async */ true,
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/* prepend */ false);
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}
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// NoopAnalytics
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function NoopAnalytics() {}
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NoopAnalytics.prototype.sendEvent = function () {};
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// AnalyticsAdapter
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function AnalyticsAdapter() {
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// XXX Since we asynchronously load the integration of the analytics API and
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// the analytics API may asynchronously load its implementation (e.g. Google
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// Analytics), we cannot make the decision with respect to which analytics
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// implementation we will use here and we have to postpone it i.e. we will
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// make a lazy decision.
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}
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AnalyticsAdapter.prototype.sendEvent = function (action, data) {
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var a = this.analytics;
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if (a === null || typeof a === 'undefined') {
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var AnalyticsImpl = window.Analytics || NoopAnalytics;
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this.analytics = a = new AnalyticsImpl();
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}
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try {
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a.sendEvent.apply(a, arguments);
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} catch (ignored) {}
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};
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module.exports = new AnalyticsAdapter();
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