Intial Commit

nodered/rootfs/data/node_modules/es-abstract/2016/IterableToArrayLike.js

@@ -0,0 +1,73 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $iterator = GetIntrinsic('%Symbol.iterator%', true);
+
+var callBound = require('../helpers/callBound');
+
+var $arrayPush = callBound('Array.prototype.push');
+var $arraySlice = callBound('Array.prototype.slice');
+var $arrayJoin = callBound('Array.prototype.join');
+
+var AdvanceStringIndex = require('./AdvanceStringIndex');
+var GetIterator = require('./GetIterator');
+var GetMethod = require('./GetMethod');
+var IsArray = require('./IsArray');
+var IteratorStep = require('./IteratorStep');
+var IteratorValue = require('./IteratorValue');
+var ToObject = require('./ToObject');
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/7.0/#sec-iterabletoarraylike
+
+module.exports = function IterableToArrayLike(items) {
+	var usingIterator;
+	if ($iterator) {
+		usingIterator = GetMethod(items, $iterator);
+	} else if (IsArray(items)) {
+		usingIterator = function () {
+			var i = -1;
+			var arr = this; // eslint-disable-line no-invalid-this
+			return {
+				next: function () {
+					i += 1;
+					return {
+						done: i >= arr.length,
+						value: arr[i]
+					};
+				}
+			};
+		};
+	} else if (Type(items) === 'String') {
+		usingIterator = function () {
+			var i = 0;
+			return {
+				next: function () {
+					var nextIndex = AdvanceStringIndex(items, i, true);
+					var value = $arrayJoin($arraySlice(items, i, nextIndex), '');
+					i = nextIndex;
+					return {
+						done: nextIndex > items.length,
+						value: value
+					};
+				}
+			};
+		};
+	}
+	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);
+};