Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
🎉 Extension.js v3 is here. Faster builds, Firefox MV3, and first-class TypeScript.
Explore core Extension.js capabilities including cross-browser builds, config files, HMR reload behavior, path resolution, and telemetry controls.
| Goal | Start here |
|---|---|
| Ship one codebase to multiple browsers | Cross-browser compatibility |
| Handle browser-specific manifest differences | Browser-specific manifest fields |
| Keep non-manifest assets organized | Special folders |
| Manage environment-specific behavior | Environment variables |
| Centralize build/runtime defaults | Extension configuration |
| Extend bundler behavior safely | Rspack configuration |
| Understand update behavior in development mode | Page reload and hot module replacement (HMR) |
| Avoid path drift between source and output | Path resolution |
| Build and package for target matrices | Multi-platform builds |
| Review the telemetry privacy contract | Telemetry and privacy |
cross-browser-compatibility).extension-configuration).rspack-configuration, environment-variables).multi-platform-builds).Was this page helpful?
Suggestions