tom-weatherhead/common-utilities.ts

// github:tom-weatherhead/common-utilities.ts/src/collection-classes/queue.ts

import { CollectionArrayBase } from './collection-array-base';

import { IQueue } from './interfaces/iqueue';

export class Queue<T> extends CollectionArrayBase<T> implements IQueue<T> {
    public enqueue(item: T): void {
        this.items.push(item);
    }

    public dequeue(): T | undefined {
        // if (this.isEmpty()) {
        //     throw new EmptyQueueException();
        // }

        return this.items.shift();
    }

    protected protectedAdd(item: T): boolean {
        this.enqueue(item);

        return true;
    }
}