"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class Queue {
    constructor() {
        this.list = [];
        this.delayedItems = 0;
    }
    size() {
        return this.list.length + this.delayedItems;
    }
    push(item, options = {}) {
        if (options && options.delayUntil && options.delayUntil > Date.now()) {
            this.delayedItems += 1;
            setTimeout(() => {
                this.delayedItems -= 1;
                this.list.push(item);
            }, (options.delayUntil - Date.now()));
        }
        else {
            this.list.push(item);
        }
    }
    // Care, this function might actually return undefined even though size() returns a value > 0
    // Reason is, that there might be delayedItems (checkout QueueOptions.delayUntil)
    shift() {
        return this.list.shift();
    }
}
exports.default = Queue;
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