54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
/* eslint-disable no-console */
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import { getCLS, getFID, getLCP } from 'web-vitals';
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import { PERFORMANCE_TYPE_MARK, PERFORMANCE_TYPE_MEASURE } from '~/performance/constants';
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const initVitalsLog = () => {
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const reportVital = (data) => {
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console.log(`${String.fromCodePoint(0x1f4c8)} ${data.name} : `, data);
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};
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console.log(
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`${String.fromCodePoint(
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0x1f4d1,
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)} To get the final web vital numbers report you may need to switch away and back to the tab`,
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);
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getCLS(reportVital);
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getFID(reportVital);
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getLCP(reportVital);
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};
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const logUserTimingMetrics = () => {
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const metricsProcessor = (list) => {
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const entries = list.getEntries();
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entries.forEach((entry) => {
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const { name, entryType, startTime, duration } = entry;
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const typeMapper = {
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[PERFORMANCE_TYPE_MARK]: String.fromCodePoint(0x1f3af),
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[PERFORMANCE_TYPE_MEASURE]: String.fromCodePoint(0x1f4d0),
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};
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console.group(`${typeMapper[entryType]} ${name}`);
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if (entryType === PERFORMANCE_TYPE_MARK) {
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console.log(`Start time: ${startTime}`);
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} else if (entryType === PERFORMANCE_TYPE_MEASURE) {
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console.log(`Duration: ${duration}`);
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}
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console.log(entry);
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console.groupEnd();
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});
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};
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const observer = new PerformanceObserver(metricsProcessor);
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observer.observe({ entryTypes: [PERFORMANCE_TYPE_MEASURE, PERFORMANCE_TYPE_MARK] });
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};
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const initPerformanceBarLog = () => {
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console.log(
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`%c ${String.fromCodePoint(0x1f98a)} GitLab performance bar`,
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'width:100%; background-color: #292961; color: #FFFFFF; padding: 10px; display:block;',
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);
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initVitalsLog();
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logUserTimingMetrics();
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};
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export default initPerformanceBarLog;
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