main repo

node_modules/es-abstract/2016/IterableToArrayLike.js

@@ -0,0 +1,39 @@
+'use strict';
+
+var callBound = require('call-bind/callBound');
+var $arrayPush = callBound('Array.prototype.push');
+
+var getIteratorMethod = require('../helpers/getIteratorMethod');
+var AdvanceStringIndex = require('./AdvanceStringIndex');
+var GetIterator = require('./GetIterator');
+var GetMethod = require('./GetMethod');
+var IsArray = require('./IsArray');
+var IteratorStep = require('./IteratorStep');
+var IteratorValue = require('./IteratorValue');
+var ToObject = require('./ToObject');
+var ES = {
+	AdvanceStringIndex: AdvanceStringIndex,
+	GetMethod: GetMethod,
+	IsArray: IsArray
+};
+
+// https://262.ecma-international.org/7.0/#sec-iterabletoarraylike
+
+module.exports = function IterableToArrayLike(items) {
+	var usingIterator = getIteratorMethod(ES, items);
+	if (typeof usingIterator !== 'undefined') {
+		var iterator = GetIterator(items, usingIterator);
+		var values = [];
+		var next = true;
+		while (next) {
+			next = IteratorStep(iterator);
+			if (next) {
+				var nextValue = IteratorValue(next);
+				$arrayPush(values, nextValue);
+			}
+		}
+		return values;
+	}
+
+	return ToObject(items);
+};