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Replace XMLHttpRequest usage with the Fetch API in loadStyles (in test/driver.js)

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This is another small step in what'll hopefully become a series of patches to implement PR 14287 in smaller steps.
This commit is contained in:
Jonas Jenwald 2022-03-06 13:57:42 +01:00
parent f8f0f19642
commit 62e0939ce2
1 changed files with 11 additions and 12 deletions
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23
test/driver.js
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@ -44,24 +44,23 @@ function loadStyles(styles) {
for (const file of styles) { for (const file of styles) {
promises.push( promises.push(
new Promise(function (resolve, reject) { fetch(file)
const xhr = new XMLHttpRequest(); .then(response => {
xhr.open("GET", file); if (!response.ok) {
xhr.onload = function () { throw new Error(response.statusText);
resolve(xhr.responseText); }
}; return response.text();
xhr.onerror = function (e) { })
reject(new Error(`Error fetching style (${file}): ${e}`)); .catch(reason => {
}; throw new Error(`Error fetching style (${file}): ${reason}`);
xhr.send(null); })
})
); );
} }
return Promise.all(promises); return Promise.all(promises);
} }
function writeSVG(svgElement, ctx, outputScale) { function writeSVG(svgElement, ctx) {
// We need to have UTF-8 encoded XML. // We need to have UTF-8 encoded XML.
const svg_xml = unescape( const svg_xml = unescape(
encodeURIComponent(new XMLSerializer().serializeToString(svgElement)) encodeURIComponent(new XMLSerializer().serializeToString(svgElement))