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<title>Code coverage report for workflowCapture.js</title>
<meta charset="utf-8" />
<link rel="stylesheet" href="prettify.css" />
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<link rel="shortcut icon" type="image/x-icon" href="favicon.png" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type='text/css'>
.coverage-summary .sorter {
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<div class='pad1'>
<h1><a href="index.html">All files</a> workflowCapture.js</h1>
<div class='clearfix'>
<div class='fl pad1y space-right2'>
<span class="strong">40.93% </span>
<span class="quiet">Statements</span>
<span class='fraction'>79/193</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">36.84% </span>
<span class="quiet">Branches</span>
<span class='fraction'>7/19</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">16.66% </span>
<span class="quiet">Functions</span>
<span class='fraction'>2/12</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">40.93% </span>
<span class="quiet">Lines</span>
<span class='fraction'>79/193</span>
</div>
</div>
<p class="quiet">
Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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Filter:
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<pre><table class="coverage">
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { toBlob } from 'html-to-image';
import { CANVAS_COLORS } from './constants.js';
&nbsp;
export const OVERLAY_CAPTURE_SELECTORS = [
'.lineplot-overlay',
'.cs-overlay',
'.crop-overlay',
];
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function encodeBase64(bytes) {</span></span>
<span class="cstat-no" title="statement not covered" > if (typeof Buffer !== 'undefined') {</span>
<span class="cstat-no" title="statement not covered" > return Buffer.from(bytes).toString('base64');</span>
<span class="cstat-no" title="statement not covered" > }</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > let binary = '';</span>
<span class="cstat-no" title="statement not covered" > for (let i = 0; i &lt; bytes.length; i += 1) {</span>
<span class="cstat-no" title="statement not covered" > binary += String.fromCharCode(bytes[i]);</span>
<span class="cstat-no" title="statement not covered" > }</span>
<span class="cstat-no" title="statement not covered" > return btoa(binary);</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >async function blobToDataUrl(blob) {</span></span>
<span class="cstat-no" title="statement not covered" > if (!blob) return null;</span>
<span class="cstat-no" title="statement not covered" > const bytes = new Uint8Array(await blob.arrayBuffer());</span>
<span class="cstat-no" title="statement not covered" > return `data:${blob.type || 'image/png'};base64,${encodeBase64(bytes)}`;</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function getElementSize(el) {</span></span>
<span class="cstat-no" title="statement not covered" > const rect = el.getBoundingClientRect?.() ?? { width: 0, height: 0 };</span>
<span class="cstat-no" title="statement not covered" > return {</span>
<span class="cstat-no" title="statement not covered" > width: Math.max(1, Math.round(el.clientWidth || rect.width || 0)),</span>
<span class="cstat-no" title="statement not covered" > height: Math.max(1, Math.round(el.clientHeight || rect.height || 0)),</span>
<span class="cstat-no" title="statement not covered" > };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
export <span class="fstat-no" title="function not covered" >async function waitForImageElement(img) {</span>
<span class="cstat-no" title="statement not covered" > if (img.complete &amp;&amp; img.naturalWidth &gt; 0) return;</span>
<span class="cstat-no" title="statement not covered" > if (typeof img.decode === 'function') {</span>
<span class="cstat-no" title="statement not covered" > try {</span>
<span class="cstat-no" title="statement not covered" > await img.decode();</span>
<span class="cstat-no" title="statement not covered" > return;</span>
<span class="cstat-no" title="statement not covered" > } catch {</span>
<span class="cstat-no" title="statement not covered" > // Fall back to load/error listeners below.</span>
<span class="cstat-no" title="statement not covered" > }</span>
<span class="cstat-no" title="statement not covered" > }</span>
<span class="cstat-no" title="statement not covered" > await new Promise((resolve) =&gt; {</span>
<span class="cstat-no" title="statement not covered" > const done = () =&gt; {</span>
<span class="cstat-no" title="statement not covered" > img.removeEventListener('load', done);</span>
<span class="cstat-no" title="statement not covered" > img.removeEventListener('error', done);</span>
<span class="cstat-no" title="statement not covered" > resolve();</span>
<span class="cstat-no" title="statement not covered" > };</span>
<span class="cstat-no" title="statement not covered" > img.addEventListener('load', done, { once: true });</span>
<span class="cstat-no" title="statement not covered" > img.addEventListener('error', done, { once: true });</span>
<span class="cstat-no" title="statement not covered" > });</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
export <span class="fstat-no" title="function not covered" >async function getCaptureImageDataUrl(img) {</span>
<span class="cstat-no" title="statement not covered" > const src = img.currentSrc || img.src;</span>
<span class="cstat-no" title="statement not covered" > if (!src) return null;</span>
<span class="cstat-no" title="statement not covered" > if (!src.startsWith('data:')) return src;</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > const { width, height } = getElementSize(img);</span>
<span class="cstat-no" title="statement not covered" > const scale = Math.min(2, globalThis.window?.devicePixelRatio || 1);</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > const canvas = globalThis.document.createElement('canvas');</span>
<span class="cstat-no" title="statement not covered" > canvas.width = Math.max(1, Math.round(width * scale));</span>
<span class="cstat-no" title="statement not covered" > canvas.height = Math.max(1, Math.round(height * scale));</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > const ctx = canvas.getContext('2d');</span>
<span class="cstat-no" title="statement not covered" > if (!ctx) return src;</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > try {</span>
<span class="cstat-no" title="statement not covered" > ctx.drawImage(img, 0, 0, canvas.width, canvas.height);</span>
<span class="cstat-no" title="statement not covered" > return canvas.toDataURL('image/png');</span>
<span class="cstat-no" title="statement not covered" > } catch {</span>
<span class="cstat-no" title="statement not covered" > return src;</span>
<span class="cstat-no" title="statement not covered" > }</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
export <span class="fstat-no" title="function not covered" >function createCapturePlaceholder(</span>
<span class="cstat-no" title="statement not covered" > el,</span>
<span class="cstat-no" title="statement not covered" > dataUrl,</span>
<span class="cstat-no" title="statement not covered" > { stretch = false, documentRef = globalThis.document, getComputedStyleFn = globalThis.window?.getComputedStyle?.bind(globalThis.window) } = {},</span>
<span class="cstat-no" title="statement not covered" >) {</span>
<span class="cstat-no" title="statement not covered" > const rect = el.getBoundingClientRect();</span>
<span class="cstat-no" title="statement not covered" > const style = getComputedStyleFn(el);</span>
<span class="cstat-no" title="statement not covered" > const placeholder = documentRef.createElement('div');</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > placeholder.style.display = style.display === 'inline' ? 'inline-block' : style.display;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.width = `${el.clientWidth || rect.width}px`;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.height = `${el.clientHeight || rect.height}px`;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.maxWidth = style.maxWidth;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.maxHeight = style.maxHeight;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.minWidth = style.minWidth;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.minHeight = style.minHeight;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.borderRadius = style.borderRadius;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.backgroundImage = `url("${dataUrl}")`;</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.backgroundRepeat = 'no-repeat';</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.backgroundPosition = 'center';</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.backgroundSize = stretch ? '100% 100%' : 'contain';</span>
<span class="cstat-no" title="statement not covered" > placeholder.style.flexShrink = style.flexShrink;</span>
<span class="cstat-no" title="statement not covered" ></span>
<span class="cstat-no" title="statement not covered" > return placeholder;</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >async function renderCanvasToDataUrl(canvas) {</span></span>
<span class="cstat-no" title="statement not covered" > try {</span>
<span class="cstat-no" title="statement not covered" > return canvas.toDataURL('image/png');</span>
<span class="cstat-no" title="statement not covered" > } catch {</span>
<span class="cstat-no" title="statement not covered" > return null;</span>
<span class="cstat-no" title="statement not covered" > }</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >async function renderElementToDataUrl(el, toBlobImpl) {</span></span>
<span class="cstat-no" title="statement not covered" > const { width, height } = getElementSize(el);</span>
<span class="cstat-no" title="statement not covered" > const blob = await toBlobImpl(el, {</span>
<span class="cstat-no" title="statement not covered" > width,</span>
<span class="cstat-no" title="statement not covered" > height,</span>
<span class="cstat-no" title="statement not covered" > backgroundColor: CANVAS_COLORS.bgDeep,</span>
<span class="cstat-no" title="statement not covered" > style: {</span>
<span class="cstat-no" title="statement not covered" > width: `${width}px`,</span>
<span class="cstat-no" title="statement not covered" > height: `${height}px`,</span>
<span class="cstat-no" title="statement not covered" > transform: 'none',</span>
<span class="cstat-no" title="statement not covered" > },</span>
<span class="cstat-no" title="statement not covered" > });</span>
<span class="cstat-no" title="statement not covered" > return blobToDataUrl(blob);</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
async function replaceElementsWithPlaceholders(elements, renderDataUrl, createPlaceholderFn, stretch) {
const restorers = [];
&nbsp;
for (const el of elements) {
if (!el?.parentNode) <span class="branch-0 cbranch-no" title="branch not covered" >continue;</span>
const dataUrl = await renderDataUrl(el);
if (!dataUrl) <span class="branch-0 cbranch-no" title="branch not covered" >continue;</span>
&nbsp;
const placeholder = createPlaceholderFn(el, dataUrl, { stretch });
el.parentNode.replaceChild(placeholder, el);
restorers.push(() =&gt; {
if (placeholder.parentNode) {
placeholder.parentNode.replaceChild(el, placeholder);
}
});
}
&nbsp;
return restorers;
}
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function defaultQueryAll(root, selector) {</span></span>
<span class="cstat-no" title="statement not covered" > return Array.from(root.querySelectorAll(selector));</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function defaultNextFrame() {</span></span>
<span class="cstat-no" title="statement not covered" > return new Promise((resolve) =&gt; requestAnimationFrame(() =&gt; resolve()));</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
export async function captureViewportBlob(viewportEl, options, deps = {}) {
const queryAll = deps.queryAll <span class="branch-0 cbranch-no" title="branch not covered" >?? defaultQueryAll;</span>
const toBlobImpl = deps.toBlobImpl <span class="branch-0 cbranch-no" title="branch not covered" >?? toBlob;</span>
const waitForImage = deps.waitForImageElement <span class="branch-0 cbranch-no" title="branch not covered" >?? waitForImageElement;</span>
const renderImage = deps.renderImageToDataUrl <span class="branch-0 cbranch-no" title="branch not covered" >?? getCaptureImageDataUrl;</span>
const renderCanvas = deps.renderCanvasToDataUrl <span class="branch-0 cbranch-no" title="branch not covered" >?? renderCanvasToDataUrl;</span>
const renderOverlay = deps.renderOverlayToDataUrl <span class="branch-0 cbranch-no" title="branch not covered" >?? (<span class="branch-0 cbranch-no" title="branch not covered" >(el) =&gt; renderElementToDataUrl(el, toBlobImpl))</span>;</span>
const createPlaceholderFn = deps.createPlaceholder <span class="branch-0 cbranch-no" title="branch not covered" >?? createCapturePlaceholder;</span>
const nextFrame = deps.nextFrame <span class="branch-0 cbranch-no" title="branch not covered" >?? defaultNextFrame;</span>
const overlaySelectors = deps.overlaySelectors ?? OVERLAY_CAPTURE_SELECTORS;
const restorers = [];
&nbsp;
const overlays = [];
const seen = new Set();
for (const selector of overlaySelectors) {
for (const el of queryAll(viewportEl, selector)) {
if (seen.has(el)) <span class="branch-0 cbranch-no" title="branch not covered" >continue;</span>
seen.add(el);
overlays.push(el);
}
}
&nbsp;
const images = queryAll(viewportEl, 'img');
await Promise.all(images.map(waitForImage));
&nbsp;
try {
restorers.push(...await replaceElementsWithPlaceholders(overlays, renderOverlay, createPlaceholderFn, true));
restorers.push(...await replaceElementsWithPlaceholders(queryAll(viewportEl, 'img'), renderImage, createPlaceholderFn, false));
restorers.push(...await replaceElementsWithPlaceholders(queryAll(viewportEl, 'canvas'), renderCanvas, createPlaceholderFn, true));
&nbsp;
await nextFrame();
await nextFrame();
return await toBlobImpl(viewportEl, options);
} finally {
restorers.reverse().forEach((restore) =&gt; restore());
}
}
&nbsp;</pre></td></tr></table></pre>
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