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import '../webpack';
import Vue from 'vue';
import axios from '~/lib/utils/axios_utils';
import { numberToHumanSize } from '~/lib/utils/number_utils';
import { s__ } from '~/locale';
import Translate from '~/vue_shared/translate';
import initPerformanceBarLog from './performance_bar_log';
import PerformanceBarService from './services/performance_bar_service';
import PerformanceBarStore from './stores/performance_bar_store';
Vue.use(Translate);
const initPerformanceBar = (el) => {
if (!el) {
return undefined;
}
const performanceBarData = el.dataset;
return new Vue({
el,
name: 'PerformanceBarRoot',
components: {
PerformanceBarApp: () => import('./components/performance_bar_app.vue'),
},
data() {
const store = new PerformanceBarStore();
return {
store,
env: performanceBarData.env,
requestId: performanceBarData.requestId,
peekUrl: performanceBarData.peekUrl,
profileUrl: performanceBarData.profileUrl,
statsUrl: performanceBarData.statsUrl,
};
},
mounted() {
PerformanceBarService.registerInterceptor(this.peekUrl, this.loadRequestDetails);
this.loadRequestDetails(this.requestId, window.location.href);
},
beforeDestroy() {
PerformanceBarService.removeInterceptor();
},
methods: {
addRequestManually(urlOrRequestId) {
if (urlOrRequestId.startsWith('https://') || urlOrRequestId.startsWith('http://')) {
// We don't need to do anything with the response, we just
// want to trace the request.
axios.get(urlOrRequestId);
} else {
this.loadRequestDetails(urlOrRequestId, urlOrRequestId);
}
},
loadRequestDetails(requestId, requestUrl) {
if (!this.store.canTrackRequest(requestUrl)) {
return;
}
this.store.addRequest(requestId, requestUrl);
PerformanceBarService.fetchRequestDetails(this.peekUrl, requestId)
.then((res) => {
this.store.addRequestDetails(requestId, res.data);
if (this.requestId === requestId) this.collectFrontendPerformanceMetrics();
})
.catch(() =>
// eslint-disable-next-line no-console
console.warn(`Error getting performance bar results for ${requestId}`),
);
},
collectFrontendPerformanceMetrics() {
if (performance) {
const navigationEntries = performance.getEntriesByType('navigation');
const paintEntries = performance.getEntriesByType('paint');
const resourceEntries = performance.getEntriesByType('resource');
let durationString = '';
let summary = {};
if (navigationEntries.length > 0) {
const backend = Math.round(navigationEntries[0].responseEnd);
const firstContentfulPaint = Math.round(paintEntries[1].startTime);
const domContentLoaded = Math.round(navigationEntries[0].domContentLoadedEventEnd);
summary = {
[s__('PerformanceBar|Backend')]: backend,
[s__('PerformanceBar|First Contentful Paint')]: firstContentfulPaint,
[s__('PerformanceBar|DOM Content Loaded')]: domContentLoaded,
};
durationString = `${backend} | ${firstContentfulPaint} | ${domContentLoaded}`;
}
let newEntries = resourceEntries.map(this.transformResourceEntry);
this.updateFrontendPerformanceMetrics(durationString, summary, newEntries);
if ('PerformanceObserver' in window) {
// We start observing for more incoming timings
const observer = new PerformanceObserver((list) => {
newEntries = newEntries.concat(list.getEntries().map(this.transformResourceEntry));
this.updateFrontendPerformanceMetrics(durationString, summary, newEntries);
});
observer.observe({ entryTypes: ['resource'] });
}
}
},
updateFrontendPerformanceMetrics(durationString, summary, requestEntries) {
this.store.setRequestDetailsData(this.requestId, 'total', {
duration: durationString,
calls: requestEntries.length,
details: requestEntries,
summaryOptions: {
hideDuration: true,
},
summary,
});
},
transformResourceEntry(entry) {
return {
start: entry.startTime,
name: entry.name.replace(document.location.origin, ''),
duration: Math.round(entry.duration),
size: entry.transferSize ? numberToHumanSize(entry.transferSize) : 'cached',
};
},
},
render(createElement) {
return createElement('performance-bar-app', {
props: {
store: this.store,
env: this.env,
requestId: this.requestId,
peekUrl: this.peekUrl,
profileUrl: this.profileUrl,
statsUrl: this.statsUrl,
},
on: {
'add-request': this.addRequestManually,
},
});
},
});
};
initPerformanceBar(document.querySelector('#js-peek'));
initPerformanceBarLog();
export default initPerformanceBar;
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