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Re-factor the fetchData helper function, in src/display/display_utils.js to be asynchronous

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This commit is contained in:
Jonas Jenwald 2021-06-11 17:12:55 +02:00
parent b05a22d01b
commit 7b17dc8bfd
1 changed files with 8 additions and 13 deletions
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21
src/display/display_utils.js
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@ -46,23 +46,18 @@ class DOMCanvasFactory extends BaseCanvasFactory {
}
}
function fetchData(url, asTypedArray) {
async function fetchData(url, asTypedArray = false) {
if (
(typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) ||
(isFetchSupported() && isValidFetchUrl(url, document.baseURI))
) {
return fetch(url).then(async response => {
if (!response.ok) {
throw new Error(response.statusText);
}
let data;
if (asTypedArray) {
data = new Uint8Array(await response.arrayBuffer());
} else {
data = stringToBytes(await response.text());
}
return data;
});
const response = await fetch(url);
if (!response.ok) {
throw new Error(response.statusText);
}
return asTypedArray
? new Uint8Array(await response.arrayBuffer())
: stringToBytes(await response.text());
}
// The Fetch API is not supported.