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raix wants to merge 15 commits into from
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Add swc transpilation behind a flag #11739

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eccb0b9
Swap out babel with swc
Dec 10, 2021
8e1d6fa
Cache clean no longer needed as of Npm v5
Dec 10, 2021
44a7c21
Fix swc browserlists support
Dec 10, 2021
6f9083b
Breaking: Remove support for Flow
Dec 11, 2021
2334298
Update jest to ^27.4.4
Dec 11, 2021
867c019
Remove unmaintained tar-pack updating tar from v2 to v6
Dec 11, 2021
2af14b9
Load tsconfig or jsconfig as base for swc configuration
Dec 11, 2021
d42aed5
Fix swc browserslist
Dec 11, 2021
a8aa254
Revert "Breaking: Remove support for Flow"
Dec 13, 2021
11bf2c9
Add babel back and hide swc under flag
Dec 13, 2021
a1693f0
Fix test command
Dec 13, 2021
239e7db
Add message about experimental feature
Dec 13, 2021
0810052
Fix typo classic
Dec 15, 2021
1267810
Fix typo of runtime classic
Dec 19, 2021
6dab098
Support comments in jsconfig.json
Dec 19, 2021
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5 changes: 3 additions & 2 deletions docusaurus/docs/advanced-configuration.md
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Expand Up @@ -15,7 +15,7 @@ You can adjust various development and production settings by setting environmen
| PORT | ✅ Used | 🚫 Ignored | By default, the development web server will attempt to listen on port 3000 or prompt you to attempt the next available port. You may use this variable to specify a different port. |
| HTTPS | ✅ Used | 🚫 Ignored | When set to `true`, Create React App will run the development server in `https` mode. |
| WDS_SOCKET_HOST | ✅ Used | 🚫 Ignored | When set, Create React App will run the development server with a custom websocket hostname for hot module reloading. Normally, `webpack-dev-server` defaults to `window.location.hostname` for the SockJS hostname. You may use this variable to start local development on more than one Create React App project at a time. See [webpack-dev-server documentation](https://webpack.js.org/configuration/dev-server/#devserversockhost) for more details. |
| WDS_SOCKET_PATH | ✅ Used | 🚫 Ignored | When set, Create React App will run the development server with a custom websocket path for hot module reloading. Normally, `webpack-dev-server` defaults to `/ws` for the SockJS pathname. You may use this variable to start local development on more than one Create React App project at a time. See [webpack-dev-server documentation](https://webpack.js.org/configuration/dev-server/#devserversockpath) for more details. |
| WDS_SOCKET_PATH | ✅ Used | 🚫 Ignored | When set, Create React App will run the development server with a custom websocket path for hot module reloading. Normally, `webpack-dev-server` defaults to `/ws` for the SockJS pathname. You may use this variable to start local development on more than one Create React App project at a time. See [webpack-dev-server documentation](https://webpack.js.org/configuration/dev-server/#devserversockpath) for more details. |
| WDS_SOCKET_PORT | ✅ Used | 🚫 Ignored | When set, Create React App will run the development server with a custom websocket port for hot module reloading. Normally, `webpack-dev-server` defaults to `window.location.port` for the SockJS port. You may use this variable to start local development on more than one Create React App project at a time. See [webpack-dev-server documentation](https://webpack.js.org/configuration/dev-server/#devserversockport) for more details. |
| PUBLIC_URL | ✅ Used | ✅ Used | Create React App assumes your application is hosted at the serving web server's root or a subpath as specified in [`package.json` (`homepage`)](deployment#building-for-relative-paths). Normally, Create React App ignores the hostname. You may use this variable to force assets to be referenced verbatim to the url you provide (hostname included). This may be particularly useful when using a CDN to host your application. |
| BUILD_PATH | 🚫 Ignored | ✅ Used | By default, Create React App will output compiled assets to a `/build` directory adjacent to your `/src`. You may use this variable to specify a new path for Create React App to output assets. BUILD_PATH should be specified as a path relative to the root of your project. |
Expand All @@ -24,9 +24,10 @@ You can adjust various development and production settings by setting environmen
| CHOKIDAR_USEPOLLING | ✅ Used | 🚫 Ignored | When set to `true`, the watcher runs in polling mode, as necessary inside a VM. Use this option if `npm start` isn't detecting changes. |
| GENERATE_SOURCEMAP | 🚫 Ignored | ✅ Used | When set to `false`, source maps are not generated for a production build. This solves out of memory (OOM) issues on some smaller machines. |
| INLINE_RUNTIME_CHUNK | 🚫 Ignored | ✅ Used | By default, Create React App will embed the runtime script into `index.html` during the production build. When set to `false`, the script will not be embedded and will be imported as usual. This is normally required when dealing with CSP. |
| IMAGE_INLINE_SIZE_LIMIT | ✅ Used | ✅ Used | By default, images smaller than 10,000 bytes are encoded as a data URI in base64 and inlined in the CSS or JS build artifact. Set this to control the size limit in bytes. Setting it to `0` will disable the inlining of images. |
| IMAGE_INLINE_SIZE_LIMIT | ✅ Used | ✅ Used | By default, images smaller than 10,000 bytes are encoded as a data URI in base64 and inlined in the CSS or JS build artifact. Set this to control the size limit in bytes. Setting it to `0` will disable the inlining of images. |
| FAST_REFRESH | ✅ Used | 🚫 Ignored | When set to `false`, disables experimental support for Fast Refresh to allow you to tweak your components in real time without reloading the page. |
| TSC_COMPILE_ON_ERROR | ✅ Used | ✅ Used | When set to `true`, you can run and properly build TypeScript projects even if there are TypeScript type check errors. These errors are printed as warnings in the terminal and/or browser console. |
| ESLINT_NO_DEV_ERRORS | ✅ Used | 🚫 Ignored | When set to `true`, ESLint errors are converted to warnings during development. As a result, ESLint output will no longer appear in the error overlay. |
| DISABLE_ESLINT_PLUGIN | ✅ Used | ✅ Used | When set to `true`, [eslint-webpack-plugin](https://github.com/webpack-contrib/eslint-webpack-plugin) will be completely disabled. |
| DISABLE_NEW_JSX_TRANSFORM | ✅ Used | ✅ Used | When set to `true`, disables the [new JSX transform](https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html) introduced in React 17 and backported to React 16.14.0, 15.7.0, and 0.14.10. New projects will use a version of React that supports this by default but you may need to disable it in existing projects if you can't upgrade React. |
| SWC_TRANSFORM | ✅ Used | ✅ Used | When set to `true`, enables [SWC](https://swc.rs/) - We are evaluating and taking feedback on this experimental feature. Note that `Flow` is currently not supported but might be later on [Strip flow types](https://github.com/swc-project/swc/issues/256) React. |
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