@wordpress/components/build/utils/events.js

UI components for WordPress.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.mergeEventHandlers = mergeEventHandlers;

/**
 * Merges event handlers together.
 *
 * @template TEvent
 * @param    handler
 * @param    otherHandler
 */
function mergeEvent(handler, otherHandler) {
  return event => {
    if (typeof handler === 'function') {
      handler(event);
    }

    if (typeof otherHandler === 'function') {
      otherHandler(event);
    }
  };
}
/**
 * Merges two sets of event handlers together.
 *
 * @template TEvent
 * @param    handlers
 * @param    extraHandlers
 */


function mergeEventHandlers(handlers, extraHandlers) {
  // @ts-ignore We'll fill in all the properties below
  const mergedHandlers = { ...handlers
  };

  for (const [key, handler] of Object.entries(extraHandlers)) {
    // @ts-ignore
    mergedHandlers[key] = key in mergedHandlers ? mergeEvent(mergedHandlers[key], handler) : handler;
  }

  return mergedHandlers;
}
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