Adding `__IS_NATIVE__` global, which will be used for forking backend
implementation. Will only be set to `true` for `react-devtools-core`
package, which is used by `react-native`.
Ideally, we should name it `react-devtools-native`, and keep
`react-devtools-core` as host-agnostic.
With this change, the next release of `react-devtools-core` should
append component stack as Error object, not as string, and should add
`(<anonymous>)` suffix to component stack frames.
Before:
<img width="844" alt="Screenshot 2024-07-04 at 3 20 34 PM"
src="https://github.com/facebook/react/assets/63648/0fd8a53f-538a-4429-a4cf-c22f85a09aa8">
After:
<img width="845" alt="Screenshot 2024-07-05 at 6 08 28 PM"
src="https://github.com/facebook/react/assets/63648/7b9da13a-fa97-4581-9899-06de6fface65">
Firefox:
<img width="1338" alt="Screenshot 2024-07-05 at 6 09 50 PM"
src="https://github.com/facebook/react/assets/63648/f2eb9f2a-2251-408f-86d0-b081279ba378">
The first log doesn't get a stack because it's logged before DevTools
boots up and connects which is unfortunate.
The second log already has a stack printed by React (this is on stable)
it gets replaced by our object now.
The third and following logs don't have a stack and get one appended.
I only turn the stack into an error object if it matches what we would
emit from DevTools anyway. Otherwise we assume it's not React. Since I
had to change the format slightly to make this work, I first normalize
the stack slightly before doing a comparison since it won't be 1:1.
## Summary
Overlooked when was working on
https://github.com/facebook/react/pull/26887.
- Added `webpack` packages as dev dependencies to `react-devtools-core`,
because it calls webpack to build
- Added `process` package as dev dependency, because it is injected with
`ProvidePlugin` (otherwise fails with Safari usage)
- Updated rule for sourcemaps
- Listed required externals for `standalone` build
Tested on RN application & Safari
## Summary
- Updated `webpack` (and all related packages) to v5 in
`react-devtools-*` packages.
- I haven't touched any `TODO (Webpack 5)`. Tried to poke it, but each
my attempt failed and parsing hook names feature stopped working. I will
work on this in a separate PR.
- This work is one of prerequisites for updating Firefox extension to
manifests v3
related PRs:
https://github.com/facebook/react/pull/22267https://github.com/facebook/react/pull/26506
## How did you test this change?
Tested on all surfaces, explicitly checked that parsing hook names
feature still works.
Update all our local scripts to use `build` instead of `build2`.
There are still downstream scripts that depend on `build2`, though, so
we can't remove it yet.
lunaruan commented 3 days ago •
This PR adds separate DevTools feature flag configurations for react-devtools-core. It also breaks the builds down into facebook specific and open source flags so we can experiment in React Native.
Tested yarn build:standalone, yarn build:backend, yarn build:standalone:fb, and yarn build:backend:fb and inspected the output to make sure each package used the correct feature flags (the first two use core-oss and the latter two use fb-oss.
React currently suppress console logs in StrictMode during double rendering. However, this causes a lot of confusion. This PR moves the console suppression logic from React into React Devtools. Now by default, we no longer suppress console logs. Instead, we gray out the logs in console during double render. We also add a setting in React Devtools to allow developers to hide console logs during double render if they choose.
React has its own component stack generation code that DevTools embeds a fork of, but both of them use a shared helper for disabling console logs. This shared helper is DEV only though, because it was intended for use with React DEV-only warnings and we didn't want to unnecessarily add bytes to production builds.
But DevTools itself always ships as a production build– even when it's used to debug DEV bundles of product apps (with third party DEV-only warnings). That means this helper was always a noop.
The resolveCurrentDispatcher method was changed recently to replace the thrown error with a call to console.error. This newly logged error ended up slipping through and being user visible because of the above issue.
This PR updates DevTools to also fork the console patching logic (to remove the DEV-only guard).
Note that I didn't spot this earlier because my test harness (react-devtools-shell) always runs in DEV mode. 🤡
Also resolve an uncaught error in extension build (#18843).
Co-authored-by: Brian Vaughn <brian.david.vaughn@gmail.com>
Co-authored-by: Brian Vaughn <bvaughn@fb.com>
DevTools shared Babel config previously supported IE 11 to target Hermes (for the standalone backend that gets embedded within React Native apps). This targeting resulted in less optimal code for other DevTools targets though which did not need to support IE 11. This PR updates the shared config to remove IE 11 support by default, and only enables it for the standalone backend target.
* DevTools console override handles new component stack format
DevTools does not attempt to mimic the default browser console format for its component stacks but it does properly detect the new format for Chrome, Firefox, and Safari.
* Add version 4 react-devtools and react-devtools-core packages which support both React Native and e.g. Safari or iframe DOM usage.
* Replaces typed operations arrays with regular arrays in order to support Hermes. This is unfortunate, since in theory a typed array buffer could be more efficiently transferred between frontend and backend for the web extension, but this never actually worked properly in v8, only Spidermonkey, and it fails entirely in Hermes so for the time being- it's been removed.
* Adds support for React Native (paper renderer)
* Adds a style editor for react-native and react-native-web
