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Event handlers must respond before dispatching another event

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This commit is contained in:
byte[] 2021-10-28 21:06:37 -04:00
parent 9c51433550
commit 53e026f8f3
2 changed files with 10 additions and 10 deletions
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16
assets/js/sw/download.ts
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@ -15,15 +15,15 @@ export function handleDownload(event: FetchEvent, url: URL): void {
return event.respondWith(new Response('Don\'t know what to download!', { status: 400 })); return event.respondWith(new Response('Don\'t know what to download!', { status: 400 }));
} }
const generateResponse = ifOk((upstream: Response) => { const response =
const headers = new Headers(upstream.headers); fetch(target)
.then(ifOk((upstream: Response) => {
const headers = new Headers(upstream.headers);
headers.set('content-disposition', `attachment; filename="${escapeFilename(name)}"`); headers.set('content-disposition', `attachment; filename="${escapeFilename(name)}"`);
return new Response(upstream.body, { headers }); return new Response(upstream.body, { headers });
}); }));
fetch(target) event.respondWith(response);
.then(generateResponse)
.then(event.respondWith);
} }

4
assets/js/utils/requests.js
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@ -70,7 +70,7 @@ function fetchBackoff(...fetchArgs) {
*/ */
function escapeFilename(name) { function escapeFilename(name) {
return name return name
.replace(/[^-_+a-zA-Z0-9]/, '_') .replace(/[^.-_+a-zA-Z0-9]/, '_')
.substring(0, 150); .substring(0, 150);
} }
@ -82,7 +82,7 @@ function escapeFilename(name) {
*/ */
function ifOk(responseGenerator) { function ifOk(responseGenerator) {
return resp => { return resp => {
if (resp.ok) return new Response(responseGenerator(resp)); if (resp.ok) return responseGenerator(resp);
return resp; return resp;
}; };
} }