mirror of https://github.com/jkjoy/sunpeiwen.git
36 lines
860 B
JavaScript
36 lines
860 B
JavaScript
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"use strict";
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/* IMPORT */
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Object.defineProperty(exports, "__esModule", { value: true });
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/* VARIABLES */
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const Queues = {};
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/* SCHEDULER */
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//TODO: Maybe publish this as a standalone package
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const Scheduler = {
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next: (id) => {
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const queue = Queues[id];
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if (!queue)
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return;
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queue.shift();
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const job = queue[0];
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if (job) {
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job(() => Scheduler.next(id));
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}
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else {
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delete Queues[id];
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}
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},
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schedule: (id) => {
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return new Promise(resolve => {
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let queue = Queues[id];
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if (!queue)
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queue = Queues[id] = [];
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queue.push(resolve);
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if (queue.length > 1)
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return;
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resolve(() => Scheduler.next(id));
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});
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}
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};
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/* EXPORT */
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exports.default = Scheduler;
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