extractEventHandlers.js 656 Bytes
/**
 * Extracts event handlers from a given object.
 * A prop is considered an event handler if it is a function and its name starts with `on`.
 *
 * @param object An object to extract event handlers from.
 * @param excludeKeys An array of keys to exclude from the returned object.
 */
function extractEventHandlers(object, excludeKeys = []) {
  if (object === undefined) {
    return {};
  }
  const result = {};
  Object.keys(object).filter(prop => prop.match(/^on[A-Z]/) && typeof object[prop] === 'function' && !excludeKeys.includes(prop)).forEach(prop => {
    result[prop] = object[prop];
  });
  return result;
}
export default extractEventHandlers;