@elsikora/nestjs-crud-automator/dist/cjs/utility/auto-dto-context-queue.utility.js

A library for automating the creation of CRUD operations in NestJS.

'use strict';

const AUTO_DTO_CONTEXT_QUEUE = new WeakMap();
const AUTO_DTO_CONTEXT_LISTENERS = new WeakMap();
/**
 * Executes and clears all queued handlers that were waiting for the DTO context on the specified prototype.
 * @param {object} target - DTO prototype whose queued handlers should run.
 */
function FlushAutoDtoContextExecutions(target) {
    const queue = AUTO_DTO_CONTEXT_QUEUE.get(target);
    if (queue) {
        AUTO_DTO_CONTEXT_QUEUE.delete(target);
        for (const handler of queue.values()) {
            try {
                handler();
            }
            catch {
                // ignore to avoid breaking other handlers
            }
        }
    }
    const listeners = AUTO_DTO_CONTEXT_LISTENERS.get(target);
    if (!listeners)
        return;
    for (const listener of listeners) {
        try {
            const shouldKeepListener = listener();
            if (!shouldKeepListener) {
                listeners.delete(listener);
            }
        }
        catch {
            listeners.delete(listener);
        }
    }
    if (listeners.size === 0) {
        AUTO_DTO_CONTEXT_LISTENERS.delete(target);
    }
}
/**
 * Queues a handler to run once the DTO context becomes available for the specified prototype.
 * @param {object} target - DTO prototype awaiting context.
 * @param {() => void} handler - Callback to execute after context is defined.
 */
function QueueAutoDtoContextExecution(target, handler) {
    if (!target || typeof handler !== "function")
        return;
    let queue = AUTO_DTO_CONTEXT_QUEUE.get(target);
    if (!queue) {
        queue = new Set();
        AUTO_DTO_CONTEXT_QUEUE.set(target, queue);
    }
    queue.add(handler);
}

exports.FlushAutoDtoContextExecutions = FlushAutoDtoContextExecutions;
exports.QueueAutoDtoContextExecution = QueueAutoDtoContextExecution;
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