A shim library that insulates WebRTC applications from browser-specific behavior differences and spec changes.
WebRTC adapter is a JavaScript shim library that provides a consistent WebRTC API across different web browsers. It solves the problem of browser-specific behavior differences and spec changes in WebRTC implementations, allowing developers to write code that works reliably everywhere.
Web developers building real-time communication applications (like video chat, peer-to-peer data transfer) using WebRTC who need to support multiple browsers.
Developers choose WebRTC adapter because it's the official, lightweight solution for WebRTC compatibility—it's automatically applied, requires no configuration, and is maintained alongside the WebRTC specification.
Shim to insulate apps from spec changes and prefix differences. Latest adapter.js release:
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Automatically handles behavioral differences and legacy prefixes across Chrome, Firefox, Safari, and Edge, as highlighted in the README's browser compatibility feature, ensuring consistent WebRTC API behavior.
Shields applications from breaking changes as the WebRTC specification evolves, reducing the need for manual code updates and future-proofing development efforts.
Available as ES module, CommonJS, or standalone script, with adapter_no_global.js to avoid global namespace pollution, making it easy to adapt to various project setups.
Provides adapter.browserDetails for identifying the WebRTC engine and version, useful for debugging and conditional logic without extra dependencies.
Publishing and development are only reliably tested on Linux, with explicit incompatibility on Windows, which restricts contributions and custom builds from non-Linux users.
With prefix differences mostly gone, adapter may add unnecessary code overhead for projects targeting only modern, stable browsers where WebRTC inconsistencies are minimal.
The release process involves multiple steps, cherry-picking for hotfixes, and is error-prone, especially for Windows users, as detailed in the publishing guide.