@arturwojnar/hermes-postgresql/lib/common/createSimpleQueue.js

Production-Ready TypeScript Outbox Pattern for PostgreSQL

const createSimpleQueue = () => {
    const _queue = [];
    const queue = (item) => {
        _queue.push(item);
    };
    const dequeue = () => {
        _queue.shift();
    };
    const remove = (item) => {
        const index = _queue.indexOf(item);
        if (index > -1) {
            _queue.splice(index, 1);
        }
    };
    const head = () => (_queue.length ? _queue[0] : undefined);
    const tail = () => (_queue.length ? _queue[_queue.length - 1] : undefined);
    const size = () => _queue.length;
    return {
        queue,
        dequeue,
        remove,
        head,
        tail,
        size,
    };
};
export { createSimpleQueue };
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