JavaScript shim

Open-source JavaScript projects categorized as shim Edit details

Top 5 JavaScript shim Projects

  • core-js

    Standard Library

    Project mention: Upcoming ECMAScript features I'm excited about | | 2022-07-22

    Proposal, Polyfill

  • harmony-reflect

    ES5 shim for ES6 Reflect and Proxy objects

  • Appwrite

    Appwrite - The Open Source Firebase alternative introduces iOS support . Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!


    An ESnext spec-compliant `` shim/polyfill/replacement that works as far down as ES3.

    Project mention: Array.prototype.groupBy to the rescue! | | 2021-12-15

    Take a look at the implementation:


    An ES-spec-compliant (proposed) ``shim/polyfill/replacement that works as far down as ES3.

  • error-cause

    An ES-spec-compliant shim/polyfill/replacement for the `.cause` property on all Error types that works as far down as ES3

    Project mention: ES2022 Preview: 10 Exciting JavaScript Language Features From 2021 | | 2021-12-30

    The current browser support for the error clause feature is limited (Dec 2021 usage: ~70%), and it is not available in Node.js yet. You can use the error cause polyfill to start using the feature today, even in JS environments where it is not supported.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2022-07-22.

JavaScript shim related posts


What are some of the best open-source shim projects in JavaScript? This list will help you:

Project Stars
1 core-js 17,154
2 harmony-reflect 444
3 23
4 21
5 error-cause 13
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