misuzu/assets/common.js/perf.jsx

72 lines
2.9 KiB
JavaScript

#include html.js
(() => {
const perfs = <div class="msz-perfs"/>;
perfs.ondblclick = () => {
perfs.classList.toggle('msz-perfs-right');
};
const appendReal = elem => {
$appendChild(perfs, elem);
};
let append = elem => {
append = appendReal;
$appendChild(document.body, perfs);
appendReal(elem);
};
(new PerformanceObserver(list => {
for(const entry of list.getEntries()) {
if(entry.serverTiming.length < 1)
break;
const url = new URL(entry.name);
let total = 0;
let queries = -1;
const timings = <table class="msz-perf-timings"/>;
for(const timing of entry.serverTiming) {
if(timing.name === 'msz-queries') {
queries = Math.ceil(timing.duration);
continue;
}
total += timing.duration;
$appendChild(timings, <tr class="msz-perf-timing">
<td class="msz-perf-timing-name">{timing.name}</td>
<td class="msz-perf-timing-comment">{decodeURIComponent(timing.description)}</td>
<td class="msz-perf-timing-duration">
<span class="msz-perf-number">{timing.duration}</span>
<span class="msz-perf-unit">ms</span>
</td>
</tr>);
}
append(<div class="msz-perf">
<div class="msz-perf-header">
<div class={`msz-perf-type msz-perf-type-${entry instanceof PerformanceNavigationTiming ? 'navigation' : 'other'}`}>
{entry instanceof PerformanceNavigationTiming ? entry.type : (
entry.initiatorType === 'xmlhttprequest' ? 'xhr' : entry.initiatorType
)}
</div>
<div class="msz-perf-target">
{url.host !== location.host ? <div class="msz-perf-target-host">{url.host}</div> : null}
<div class="msz-perf-target-path">{url.pathname}</div>
{url.search !== '' ? <div class="msz-perf-target-query">{url.search}</div> : null}
</div>
{queries > 0 ? <div class="msz-perf-total">
<span class="msz-perf-number">{queries}</span>
{' '}
<span class="msz-perf-unit">{queries === 1 ? 'query' : 'queries'}</span>
</div> : null}
<div class="msz-perf-total">
<span class="msz-perf-number">{total.toFixed(5)}</span>
<span class="msz-perf-unit">ms</span>
</div>
</div>
{timings}
</div>);
}
})).observe({ entryTypes: ['navigation', 'resource'] });
})();