Important: This documentation covers Yarn 1 (Classic).

For Yarn 2+ docs and migration guide, see yarnpkg.com.

keywords: WeakMap

found 4,734 packages in 41ms

core-js138.7mMIT3.40.0

Standard library

zloirock17 days agoES3, ES5, ES6, ES7

npmGitHub

side-channel155.8mMIT1.1.0

Store information about any JS value in a side channel. Uses WeakMap if available.

ljharbabout 1 month agoweakmap, map, side, channel

npmGitHub

internal-slot135.2mMIT1.1.0

ES spec-like internal slots

ljharbabout 1 month agointernal, slot, internal slot, ecmascript

npmGitHub

core-js-pure47.9mMIT3.40.0

Standard library

zloirock17 days agoES3, ES5, ES6, ES7

npmGitHub

which-collection74.3mMIT1.0.2

Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without instanceof, and despite Symbol.toStringTag.

inspect-js11 months agomap, set, weakmap, weakset

npmGitHub

Packages

debug-js debug

Lightweight debugging utility for Node.js and the browser

debug, log, debugger

lodash lodash

Lodash modular utilities.

modules, stdlib, util

ljharb qs

A querystring parser that supports nesting and arrays, with a depth limit

querystring, qs, query, url

caolan async

Higher-order functions and common patterns for asynchronous code

async, callback, module, utility

facebook react

React is a JavaScript library for building user interfaces.

react

babel babel-core

Babel compiler core.

6to5, babel, classes, const