refactor start

home/ags/node_modules/es-abstract/2023/GetIterator.js

@@ -1,56 +0,0 @@
-'use strict';
-
-var GetIntrinsic = require('get-intrinsic');
-
-var $TypeError = require('es-errors/type');
-var $asyncIterator = GetIntrinsic('%Symbol.asyncIterator%', true);
-
-var inspect = require('object-inspect');
-var hasSymbols = require('has-symbols')();
-
-var AdvanceStringIndex = require('./AdvanceStringIndex');
-var CreateAsyncFromSyncIterator = require('./CreateAsyncFromSyncIterator');
-var GetIteratorFromMethod = require('./GetIteratorFromMethod');
-var GetMethod = require('./GetMethod');
-var IsArray = require('./IsArray');
-
-var getIteratorMethod = require('../helpers/getIteratorMethod');
-
-// https://262.ecma-international.org/14.0/#sec-getiterator
-
-module.exports = function GetIterator(obj, kind) {
-	if (kind !== 'sync' && kind !== 'async') {
-		throw new $TypeError("Assertion failed: `kind` must be one of 'sync' or 'async', got " + inspect(kind));
-	}
-
-	var method;
-	if (kind === 'async') { // step 1
-		if (hasSymbols && $asyncIterator) {
-			method = GetMethod(obj, $asyncIterator); // step 1.a
-		}
-	}
-	if (typeof method === 'undefined') { // step 1.b
-		// var syncMethod = GetMethod(obj, $iterator); // step 1.b.i
-		var syncMethod = getIteratorMethod(
-			{
-				AdvanceStringIndex: AdvanceStringIndex,
-				GetMethod: GetMethod,
-				IsArray: IsArray
-			},
-			obj
-		);
-		if (kind === 'async') {
-			if (typeof syncMethod === 'undefined') {
-				throw new $TypeError('iterator method is `undefined`'); // step 1.b.ii
-			}
-			var syncIteratorRecord = GetIteratorFromMethod(obj, syncMethod); // step 1.b.iii
-			return CreateAsyncFromSyncIterator(syncIteratorRecord); // step 1.b.iv
-		}
-		method = syncMethod; // step 2, kind of
-	}
-
-	if (typeof method === 'undefined') {
-		throw new $TypeError('iterator method is `undefined`'); // step 3
-	}
-	return GetIteratorFromMethod(obj, method); // step 4
-};