next
Version:
The React Framework
74 lines (73 loc) • 2.19 kB
JavaScript
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
AwaiterMulti: null,
AwaiterOnce: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
AwaiterMulti: function() {
return AwaiterMulti;
},
AwaiterOnce: function() {
return AwaiterOnce;
}
});
const _invarianterror = require("../../shared/lib/invariant-error");
class AwaiterMulti {
constructor({ onError } = {}){
this.promises = new Set();
this.waitUntil = (promise)=>{
// if a promise settles before we await it, we should drop it --
// storing them indefinitely could result in a memory leak.
const cleanup = ()=>{
this.promises.delete(promise);
};
promise.then(cleanup, (err)=>{
cleanup();
this.onError(err);
});
this.promises.add(promise);
};
this.onError = onError ?? console.error;
}
async awaiting() {
while(this.promises.size > 0){
const promises = Array.from(this.promises);
this.promises.clear();
await Promise.allSettled(promises);
}
}
}
class AwaiterOnce {
constructor(options = {}){
this.done = false;
this.waitUntil = (promise)=>{
if (this.done) {
throw Object.defineProperty(new _invarianterror.InvariantError('Cannot call waitUntil() on an AwaiterOnce that was already awaited'), "__NEXT_ERROR_CODE", {
value: "E563",
enumerable: false,
configurable: true
});
}
return this.awaiter.waitUntil(promise);
};
this.awaiter = new AwaiterMulti(options);
}
async awaiting() {
if (!this.pending) {
this.pending = this.awaiter.awaiting().finally(()=>{
this.done = true;
});
}
return this.pending;
}
}
//# sourceMappingURL=awaiter.js.map
;