Kismet Hasanaj
37 lines
1.5 KiB
JavaScript
37 lines
1.5 KiB
JavaScript
import { requestIdleCallback } from '../request-idle-callback';
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// 3.8s was arbitrarily chosen as it's what https://web.dev/interactive
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// considers as "Good" time-to-interactive. We must assume something went
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// wrong beyond this point, and then fall-back to a full page transition to
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// show the user something of value.
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const MS_MAX_IDLE_DELAY = 3800;
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/** Resolve a promise that times out after given amount of milliseconds. */ export function resolvePromiseWithTimeout(p, err, devPromise) {
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return new Promise((resolve, reject)=>{
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let cancelled = false;
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p.then((r)=>{
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// Resolved, cancel the timeout
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cancelled = true;
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resolve(r);
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}).catch(reject);
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// We wrap these checks separately for better dead-code elimination in
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// production bundles.
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if (process.env.NODE_ENV === 'development') {
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;
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(devPromise || Promise.resolve()).then(()=>{
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requestIdleCallback(()=>setTimeout(()=>{
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if (!cancelled) {
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reject(err);
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}
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}, MS_MAX_IDLE_DELAY));
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});
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}
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if (process.env.NODE_ENV !== 'development') {
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requestIdleCallback(()=>setTimeout(()=>{
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if (!cancelled) {
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reject(err);
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}
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}, MS_MAX_IDLE_DELAY));
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}
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});
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}
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//# sourceMappingURL=promise.js.map
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