Sha256: 8ba2f44565b2592bd28e3f16ed9b5d9cede8b02df8f4e4bf32d228ff6b2d56a7
Contents?: true
Size: 775 Bytes
Versions: 27
Compression:
Stored size: 775 Bytes
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var Call = require('./Call');
var GetV = require('./GetV');
var IsCallable = require('./IsCallable');
var Type = require('./Type');
// https://262.ecma-international.org/14.0/#sec-getiteratorfrommethod
module.exports = function GetIteratorFromMethod(obj, method) {
if (!IsCallable(method)) {
throw new $TypeError('method must be a function');
}
var iterator = Call(method, obj); // step 1
if (Type(iterator) !== 'Object') {
throw new $TypeError('iterator must return an object'); // step 2
}
var nextMethod = GetV(iterator, 'next'); // step 3
return { // steps 4-5
'[[Iterator]]': iterator,
'[[NextMethod]]': nextMethod,
'[[Done]]': false
};
};
Version data entries
27 entries across 27 versions & 2 rubygems