refactor start

home/ags/node_modules/es-abstract/2020/GetIterator.js

@@ -1,66 +0,0 @@
-'use strict';
-
-var GetIntrinsic = require('get-intrinsic');
-
-var $TypeError = require('es-errors/type');
-var $SyntaxError = require('es-errors/syntax');
-var $asyncIterator = GetIntrinsic('%Symbol.asyncIterator%', true);
-
-var inspect = require('object-inspect');
-var hasSymbols = require('has-symbols')();
-
-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://262.ecma-international.org/11.0/#sec-getiterator
-
-module.exports = function GetIterator(obj, hint, method) {
-	var actualHint = hint;
-	if (arguments.length < 2) {
-		actualHint = 'sync';
-	}
-	if (actualHint !== 'sync' && actualHint !== 'async') {
-		throw new $TypeError("Assertion failed: `hint` must be one of 'sync' or 'async', got " + inspect(hint));
-	}
-
-	var actualMethod = method;
-	if (arguments.length < 3) {
-		if (actualHint === 'async') {
-			if (hasSymbols && $asyncIterator) {
-				actualMethod = GetMethod(obj, $asyncIterator);
-			}
-			if (actualMethod === undefined) {
-				throw new $SyntaxError("async from sync iterators aren't currently supported");
-			}
-		} else {
-			actualMethod = getIteratorMethod(
-				{
-					AdvanceStringIndex: AdvanceStringIndex,
-					GetMethod: GetMethod,
-					IsArray: IsArray
-				},
-				obj
-			);
-		}
-	}
-	var iterator = Call(actualMethod, obj);
-	if (Type(iterator) !== 'Object') {
-		throw new $TypeError('iterator must return an object');
-	}
-
-	return iterator;
-
-	// TODO: This should return an IteratorRecord
-	/*
-	var nextMethod = GetV(iterator, 'next');
-	return {
-		'[[Iterator]]': iterator,
-		'[[NextMethod]]': nextMethod,
-		'[[Done]]': false
-	};
-	*/
-};