UNPKG

d4c-queue

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A task queue executes tasks sequentially or concurrently. Wrap an async/promise-returning/sync function as a queue-ready async function for easy reusing. Support passing arguments/getting return value, @synchronized/@concurrent decorator, Node.js/Browser.

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import test from 'ava'; import { Queue } from "./Queue"; test("Test FIFO queue", (t) => { const queue = new Queue(); queue.push(1); queue.push(2); t.is(queue.shift(), 1); t.is(queue.shift(), 2); t.is(queue.shift(), undefined); t.is(queue.length, 0); queue.push(3); t.is(queue.shift(), 3); const strQueue = new Queue(); strQueue.push("1"); strQueue.push("2"); t.is(strQueue.shift(), "1"); t.is(strQueue.shift(), "2"); t.is(strQueue.shift(), undefined); }); //# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiUXVldWUuc3BlYy5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uLy4uLy4uL3NyYy9saWIvUXVldWUuc3BlYy50cyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSxPQUFPLElBQUksTUFBTSxLQUFLLENBQUM7QUFFdkIsT0FBTyxFQUFFLEtBQUssRUFBRSxNQUFNLFNBQVMsQ0FBQTtBQUMvQixJQUFJLENBQUMsaUJBQWlCLEVBQUUsQ0FBQyxDQUFDLEVBQUUsRUFBRTtJQUM1QixNQUFNLEtBQUssR0FBRyxJQUFJLEtBQUssRUFBVSxDQUFDO0lBQ2xDLEtBQUssQ0FBQyxJQUFJLENBQUMsQ0FBQyxDQUFDLENBQUM7SUFDZCxLQUFLLENBQUMsSUFBSSxDQUFDLENBQUMsQ0FBQyxDQUFDO0lBQ2QsQ0FBQyxDQUFDLEVBQUUsQ0FBQyxLQUFLLENBQUMsS0FBSyxFQUFFLEVBQUUsQ0FBQyxDQUFDLENBQUM7SUFDdkIsQ0FBQyxDQUFDLEVBQUUsQ0FBQyxLQUFLLENBQUMsS0FBSyxFQUFFLEVBQUUsQ0FBQyxDQUFDLENBQUM7SUFDdkIsQ0FBQyxDQUFDLEVBQUUsQ0FBQyxLQUFLLENBQUMsS0FBSyxFQUFFLEVBQUUsU0FBUyxDQUFDLENBQUM7SUFDL0IsQ0FBQyxDQUFDLEVBQUUsQ0FBQyxLQUFLLENBQUMsTUFBTSxFQUFFLENBQUMsQ0FBQyxDQUFBO0lBQ3JCLEtBQUssQ0FBQyxJQUFJLENBQUMsQ0FBQyxDQUFDLENBQUM7SUFDZCxDQUFDLENBQUMsRUFBRSxDQUFDLEtBQUssQ0FBQyxLQUFLLEVBQUUsRUFBRSxDQUFDLENBQUMsQ0FBQztJQUV2QixNQUFNLFFBQVEsR0FBRyxJQUFJLEtBQUssRUFBVSxDQUFDO0lBQ3JDLFFBQVEsQ0FBQyxJQUFJLENBQUMsR0FBRyxDQUFDLENBQUM7SUFDbkIsUUFBUSxDQUFDLElBQUksQ0FBQyxHQUFHLENBQUMsQ0FBQztJQUNuQixDQUFDLENBQUMsRUFBRSxDQUFDLFFBQVEsQ0FBQyxLQUFLLEVBQUUsRUFBRSxHQUFHLENBQUMsQ0FBQztJQUM1QixDQUFDLENBQUMsRUFBRSxDQUFDLFFBQVEsQ0FBQyxLQUFLLEVBQUUsRUFBRSxHQUFHLENBQUMsQ0FBQztJQUM1QixDQUFDLENBQUMsRUFBRSxDQUFDLFFBQVEsQ0FBQyxLQUFLLEVBQUUsRUFBRSxTQUFTLENBQUMsQ0FBQztBQUNwQyxDQUFDLENBQUMsQ0FBQyJ9