next
Version:
The React Framework
53 lines (51 loc) • 2.02 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "resolvePromiseWithTimeout", {
enumerable: true,
get: function() {
return resolvePromiseWithTimeout;
}
});
const _requestidlecallback = require("../request-idle-callback");
// 3.8s was arbitrarily chosen as it's what https://web.dev/interactive
// considers as "Good" time-to-interactive. We must assume something went
// wrong beyond this point, and then fall-back to a full page transition to
// show the user something of value.
const MS_MAX_IDLE_DELAY = 3800;
function resolvePromiseWithTimeout(p, err, devPromise) {
return new Promise((resolve, reject)=>{
let cancelled = false;
p.then((r)=>{
// Resolved, cancel the timeout
cancelled = true;
resolve(r);
}).catch(reject);
// We wrap these checks separately for better dead-code elimination in
// production bundles.
if (process.env.NODE_ENV === 'development') {
;
(devPromise || Promise.resolve()).then(()=>{
(0, _requestidlecallback.requestIdleCallback)(()=>setTimeout(()=>{
if (!cancelled) {
reject(err);
}
}, MS_MAX_IDLE_DELAY));
});
}
if (process.env.NODE_ENV !== 'development') {
(0, _requestidlecallback.requestIdleCallback)(()=>setTimeout(()=>{
if (!cancelled) {
reject(err);
}
}, MS_MAX_IDLE_DELAY));
}
});
}
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
//# sourceMappingURL=promise.js.map