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quiz2023 / node_modules / merge-descriptors / index.js
@Moriya Kaito Moriya Kaito on 17 Aug 616 bytes 追加
'use strict';

function mergeDescriptors(destination, source, overwrite = true) {
	if (!destination) {
		throw new TypeError('The `destination` argument is required.');
	}

	if (!source) {
		throw new TypeError('The `source` argument is required.');
	}

	for (const name of Object.getOwnPropertyNames(source)) {
		if (!overwrite && Object.hasOwn(destination, name)) {
			// Skip descriptor
			continue;
		}

		// Copy descriptor
		const descriptor = Object.getOwnPropertyDescriptor(source, name);
		Object.defineProperty(destination, name, descriptor);
	}

	return destination;
}

module.exports = mergeDescriptors;