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[D].github/	-	2022-10-08 17:28:21
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[F].travis.yml Edit	232 bytes	2022-10-08 17:28:21
[F]CHANGELOG.md Edit	5.72 KB	2022-10-08 17:28:21
[F]LICENSE	1.05 KB	2022-10-08 17:28:20
[F]README.md Edit	904 bytes	2022-10-08 17:28:21
[F]auto.js Edit	36 bytes	2022-10-08 17:28:20
[F]implementation.js Edit	2.83 KB	2022-10-08 17:28:20
[F]index.js Edit	615 bytes	2022-10-08 17:28:20
[F]package.json Edit	1.50 KB	2022-10-08 17:28:21
[F]polyfill.js Edit	236 bytes	2022-10-08 17:28:21
[F]shim.js Edit	357 bytes	2022-10-08 17:28:21

Editing: implementation.js

'use strict';

var isES5 = typeof Object.defineProperty === 'function'
	&& typeof Object.defineProperties === 'function';

var hasProto = [].__proto__ === Array.prototype; // eslint-disable-line no-proto

if (!isES5 || !hasProto) {
	throw new TypeError('util.promisify requires a true ES5 environment, that also supports `__proto__`');
}

var getOwnPropertyDescriptors = require('object.getownpropertydescriptors');

if (typeof Promise !== 'function') {
	throw new TypeError('`Promise` must be globally available for util.promisify to work.');
}

var callBound = require('es-abstract/helpers/callBound');

var $slice = callBound('Array.prototype.slice');
var $concat = callBound('Array.prototype.concat');
var $forEach = callBound('Array.prototype.forEach');

var hasSymbols = require('has-symbols')();

var kCustomPromisifiedSymbol = hasSymbols ? Symbol('util.promisify.custom') : null;
var kCustomPromisifyArgsSymbol = hasSymbols ? Symbol('customPromisifyArgs') : null;

module.exports = function promisify(orig) {
	if (typeof orig !== 'function') {
		var error = new TypeError('The "original" argument must be of type function');
		error.name = 'TypeError [ERR_INVALID_ARG_TYPE]';
		error.code = 'ERR_INVALID_ARG_TYPE';
		throw error;
	}

if (hasSymbols && orig[kCustomPromisifiedSymbol]) {
		var customFunction = orig[kCustomPromisifiedSymbol];
		if (typeof customFunction !== 'function') {
			throw new TypeError('The [util.promisify.custom] property must be a function');
		}
		Object.defineProperty(customFunction, kCustomPromisifiedSymbol, {
			configurable: true,
			enumerable: false,
			value: customFunction,
			writable: false
		});
		return customFunction;
	}

// Names to create an object from in case the callback receives multiple
	// arguments, e.g. ['stdout', 'stderr'] for child_process.exec.
	var argumentNames = orig[kCustomPromisifyArgsSymbol];

promisified.__proto__ = orig.__proto__; // eslint-disable-line no-proto

Object.defineProperty(promisified, kCustomPromisifiedSymbol, {
		configurable: true,
		enumerable: false,
		value: promisified,
		writable: false
	});
	return Object.defineProperties(promisified, getOwnPropertyDescriptors(orig));
};

module.exports.custom = kCustomPromisifiedSymbol;
module.exports.customPromisifyArgs = kCustomPromisifyArgsSymbol;

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