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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.ScopedRace = exports.ManualPromise = void 0;
let _Symbol$species, _Symbol$toStringTag;
_Symbol$species = Symbol.species;
_Symbol$toStringTag = Symbol.toStringTag;
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class ManualPromise extends Promise {
constructor() {
let resolve;
let reject;
super((f, r) => {
resolve = f;
reject = r;
});
this._resolve = void 0;
this._reject = void 0;
this._isDone = void 0;
this._isDone = false;
this._resolve = resolve;
this._reject = reject;
}
isDone() {
return this._isDone;
}
resolve(t) {
this._isDone = true;
this._resolve(t);
}
reject(e) {
this._isDone = true;
this._reject(e);
}
static get [_Symbol$species]() {
return Promise;
}
get [_Symbol$toStringTag]() {
return 'ManualPromise';
}
}
exports.ManualPromise = ManualPromise;
class ScopedRace {
constructor() {
this._terminateError = void 0;
this._terminatePromises = new Set();
}
scopeClosed(error) {
this._terminateError = error;
for (const p of this._terminatePromises) p.resolve(error);
}
async race(promise) {
return this._race([promise], false);
}
async safeRace(promise, defaultValue) {
return this._race([promise], true, defaultValue);
}
async _race(promises, safe, defaultValue) {
const terminatePromise = new ManualPromise();
if (this._terminateError) terminatePromise.resolve(this._terminateError);
this._terminatePromises.add(terminatePromise);
try {
return await Promise.race([terminatePromise.then(e => safe ? defaultValue : Promise.reject(e)), ...promises]);
} finally {
this._terminatePromises.delete(terminatePromise);
}
}
}
exports.ScopedRace = ScopedRace;