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* feat[devtools]: symbolicate source for inspected element ([hoxyq](https://github.com/hoxyq) in [#28471](https://github.com/facebook/react/pull/28471)) * refactor[devtools]: lazily define source for fiber based on component stacks ([hoxyq](https://github.com/hoxyq) in [#28351](https://github.com/facebook/react/pull/28351)) * fix[devtools/tree/element]: onClick -> onMouseDown to handle first click correctly ([hoxyq](https://github.com/hoxyq) in [#28486](https://github.com/facebook/react/pull/28486)) * [DOM] disable legacy mode behind flag ([gnoff](https://github.com/gnoff) in [#28468](https://github.com/facebook/react/pull/28468)) * Fix Broken Links In Documentation ([justindhillon](https://github.com/justindhillon) in [#28321](https://github.com/facebook/react/pull/28321)) * Update /link URLs to react.dev ([rickhanlonii](https://github.com/rickhanlonii) in [#28477](https://github.com/facebook/react/pull/28477)) * [tests] add support for @gate pragma ([gnoff](https://github.com/gnoff) in [#28479](https://github.com/facebook/react/pull/28479)) * Devtools: Unwrap Promise in useFormState ([eps1lon](https://github.com/eps1lon) in [#28319](https://github.com/facebook/react/pull/28319)) * Add support for rendering BigInt ([eps1lon](https://github.com/eps1lon) in [#24580](https://github.com/facebook/react/pull/24580)) * Include server component names in the componentStack in DEV ([sebmarkbage](https://github.com/sebmarkbage) in [#28415](https://github.com/facebook/react/pull/28415))
This is the source code for the React DevTools browser extension.
Installation
The easiest way to install this extension is as a browser add-on:
Local development
You can also build and install this extension from source.
Prerequisite steps
DevTools depends on local versions of several NPM packages1 also in this workspace. You'll need to either build or download those packages first.
1 Note that at this time, an experimental build is required because DevTools depends on the createRoot API.
To install all necessary dependencies, run the following command from the root of the repository:
yarn install
Build from source
To build dependencies from source, run the following command from the root of the repository:
yarn build-for-devtools
Download from CI
To use the latest build from CI, run the following commands starting from the root of the repository:
cd scripts/release
yarn install
./download-experimental-build.js
Build steps
Once the above packages have been built or downloaded, you can build the extension by running:
cd packages/react-devtools-extensions/
yarn build:chrome # => packages/react-devtools-extensions/chrome/build
yarn run test:chrome # Test Chrome extension
yarn build:firefox # => packages/react-devtools-extensions/firefox/build
yarn run test:firefox # Test Firefox extension
yarn build:edge # => packages/react-devtools-extensions/edge/build
yarn run test:edge # Test Edge extension