@zkochan/pnpm
Version:
Fast, disk space efficient package manager
28 lines (23 loc) • 750 B
JavaScript
/** @license MIT License (c) copyright 2010-2016 original author or authors */
/** @author Brian Cavalier */
/** @author John Hann */
/* global Set, Symbol */
var iteratorSymbol
// Firefox ships a partial implementation using the name @@iterator.
// https://bugzilla.mozilla.org/show_bug.cgi?id=907077#c14
if (typeof Set === 'function' && typeof new Set()['@@iterator'] === 'function') {
iteratorSymbol = '@@iterator'
} else {
iteratorSymbol = typeof Symbol === 'function' ? Symbol.iterator
: '_es6shim_iterator_'
}
export function isIterable (o) {
return typeof o[iteratorSymbol] === 'function'
}
export function getIterator (o) {
return o[iteratorSymbol]()
}
export function makeIterable (f, o) {
o[iteratorSymbol] = f
return o
}