refactor start

home/ags/node_modules/es-abstract/2021/NewPromiseCapability.js

@@ -1,34 +0,0 @@
-'use strict';
-
-var $TypeError = require('es-errors/type');
-
-var IsCallable = require('./IsCallable');
-var IsConstructor = require('./IsConstructor');
-
-// https://262.ecma-international.org/6.0/#sec-newpromisecapability
-
-module.exports = function NewPromiseCapability(C) {
-	if (!IsConstructor(C)) {
-		throw new $TypeError('C must be a constructor'); // step 1
-	}
-
-	var resolvingFunctions = { '[[Resolve]]': void undefined, '[[Reject]]': void undefined }; // step 3
-
-	var promise = new C(function (resolve, reject) { // steps 4-5
-		if (typeof resolvingFunctions['[[Resolve]]'] !== 'undefined' || typeof resolvingFunctions['[[Reject]]'] !== 'undefined') {
-			throw new $TypeError('executor has already been called'); // step 4.a, 4.b
-		}
-		resolvingFunctions['[[Resolve]]'] = resolve; // step 4.c
-		resolvingFunctions['[[Reject]]'] = reject; // step 4.d
-	}); // step 4-6
-
-	if (!IsCallable(resolvingFunctions['[[Resolve]]']) || !IsCallable(resolvingFunctions['[[Reject]]'])) {
-		throw new $TypeError('executor must provide valid resolve and reject functions'); // steps 7-8
-	}
-
-	return {
-		'[[Promise]]': promise,
-		'[[Resolve]]': resolvingFunctions['[[Resolve]]'],
-		'[[Reject]]': resolvingFunctions['[[Reject]]']
-	}; // step 9
-};