| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | class WaitGroup {
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| 4 | constructor() {
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| 5 | this.total = 0;
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| 6 | this.done = 0;
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| 7 | this.callbacks = [];
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| 8 | }
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| 9 | add() {
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| 10 | this.total++;
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| 11 | return () => {
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| 12 | this.done++;
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| 13 | this.check();
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| 14 | };
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| 15 | }
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| 16 | waitAll(cb) {
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| 17 | if (this.total === this.done) {
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| 18 | cb();
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| 19 | return;
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| 20 | }
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| 21 | this.callbacks.push(cb);
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| 22 | }
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| 23 | check() {
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| 24 | if (this.total === this.done) {
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| 25 | this.noticeAll();
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| 26 | }
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| 27 | }
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| 28 | noticeAll() {
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| 29 | this.callbacks.forEach(cb => cb());
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| 30 | this.callbacks = [];
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| 31 | }
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| 32 | }
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| 33 | exports.WaitGroup = WaitGroup;
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| 34 | |
| \ | No newline at end of file |