From 46e43f4bde4a35785b4997b81e86cd19f046b69b Mon Sep 17 00:00:00 2001 From: Minteck Date: Tue, 21 Dec 2021 16:52:28 +0100 Subject: Commit --- src/node_modules/es-abstract/2019/GetIterator.js | 35 ++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/node_modules/es-abstract/2019/GetIterator.js (limited to 'src/node_modules/es-abstract/2019/GetIterator.js') diff --git a/src/node_modules/es-abstract/2019/GetIterator.js b/src/node_modules/es-abstract/2019/GetIterator.js new file mode 100644 index 0000000..7beddac --- /dev/null +++ b/src/node_modules/es-abstract/2019/GetIterator.js @@ -0,0 +1,35 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var getIteratorMethod = require('../helpers/getIteratorMethod'); +var AdvanceStringIndex = require('./AdvanceStringIndex'); +var Call = require('./Call'); +var GetMethod = require('./GetMethod'); +var IsArray = require('./IsArray'); +var Type = require('./Type'); + +// https://ecma-international.org/ecma-262/6.0/#sec-getiterator + +module.exports = function GetIterator(obj, method) { + var actualMethod = method; + if (arguments.length < 2) { + actualMethod = getIteratorMethod( + { + AdvanceStringIndex: AdvanceStringIndex, + GetMethod: GetMethod, + IsArray: IsArray, + Type: Type + }, + obj + ); + } + var iterator = Call(actualMethod, obj); + if (Type(iterator) !== 'Object') { + throw new $TypeError('iterator must return an object'); + } + + return iterator; +}; -- cgit