102 lines
2.7 KiB
JavaScript
102 lines
2.7 KiB
JavaScript
var __defProp = Object.defineProperty;
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var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
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var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
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var __publicField = (obj, key, value) => {
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__defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
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return value;
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};
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// src/lib/AsyncQueueEntry.ts
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var AsyncQueueEntry = class {
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constructor(queue) {
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__publicField(this, "promise");
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__publicField(this, "resolve");
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__publicField(this, "reject");
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__publicField(this, "queue");
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__publicField(this, "signal", null);
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__publicField(this, "signalListener", null);
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this.queue = queue;
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this.promise = new Promise((resolve, reject) => {
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this.resolve = resolve;
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this.reject = reject;
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});
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}
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setSignal(signal) {
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if (signal.aborted)
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return this;
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this.signal = signal;
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this.signalListener = () => {
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const index = this.queue["promises"].indexOf(this);
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if (index !== -1)
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this.queue["promises"].splice(index, 1);
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this.reject(new Error("Request aborted manually"));
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};
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this.signal.addEventListener("abort", this.signalListener);
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return this;
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}
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use() {
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this.dispose();
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this.resolve();
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return this;
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}
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abort() {
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this.dispose();
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this.reject(new Error("Request aborted manually"));
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return this;
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}
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dispose() {
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if (this.signal) {
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this.signal.removeEventListener("abort", this.signalListener);
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this.signal = null;
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this.signalListener = null;
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}
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}
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};
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__name(AsyncQueueEntry, "AsyncQueueEntry");
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// src/lib/AsyncQueue.ts
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var AsyncQueue = class {
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constructor() {
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__publicField(this, "promises", []);
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}
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get remaining() {
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return this.promises.length;
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}
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get queued() {
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return this.remaining === 0 ? 0 : this.remaining - 1;
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}
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wait(options) {
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const entry = new AsyncQueueEntry(this);
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if (this.promises.length === 0) {
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this.promises.push(entry);
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return Promise.resolve();
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}
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this.promises.push(entry);
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if (options?.signal)
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entry.setSignal(options.signal);
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return entry.promise;
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}
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shift() {
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if (this.promises.length === 0)
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return;
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if (this.promises.length === 1) {
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this.promises.shift();
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return;
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}
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this.promises.shift();
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this.promises[0].use();
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}
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abortAll() {
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if (this.queued === 0)
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return;
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for (let i = 1; i < this.promises.length; ++i) {
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this.promises[i].abort();
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}
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this.promises.length = 1;
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}
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};
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__name(AsyncQueue, "AsyncQueue");
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export {
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AsyncQueue
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};
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//# sourceMappingURL=index.mjs.map
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