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fix: handle unhandled promise rejections (#2568)

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This commit is contained in:
Niklas von Hertzen
2021-07-12 19:01:43 +08:00
committed by GitHub
parent 382853cb33
commit 4555940d0b
6 changed files with 181 additions and 45 deletions
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11
tests/reftests/iframe.html
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@ -2,10 +2,21 @@
<html>
<head>
<title>iframe test</title>
<script>
h2cOptions = {useCORS: true, proxy: null};
</script>
<script type="text/javascript" src="../test.js"></script>
</head>
<body>
<div style="background: cornflowerblue; padding: 20px; width: 200px;">Parent document content</div>
<iframe src="/tests/assets/iframe/frame1.html" width="500" height="500"></iframe>
<iframe
title="Github"
src="https://ghbtns.com/github-btn.html?user=niklasvh&repo=html2canvas&type=star&count=true&size=large"
frameBorder="0"
scrolling="0"
width="160px"
height="30px"
></iframe>
</body>
</html>

4
tests/test.js
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@ -24,6 +24,10 @@ var REFTEST = window.location.search.indexOf('reftest') !== -1;
])
.forEach(appendScript);
window.addEventListener("unhandledrejection", function(event) {
console.info('UNHANDLED PROMISE REJECTION:', event);
});
window.onload = function() {
(function($) {
$.fn.html2canvas = function(options) {

5
tests/testrunner.ts
View File

@ -86,6 +86,11 @@ testList
throw new Error('Window not found for iframe');
}
contentWindow.addEventListener('unhandledrejection', (event) => {
console.error(event.reason);
throw new Error(`unhandledrejection: ${JSON.stringify(event.reason)}`);
});
const canvas: HTMLCanvasElement = await contentWindow
// @ts-ignore
.html2canvas(contentWindow.forceElement || contentWindow.document.documentElement, {