React Router CLI

The React Router CLI comes from the @react-router/dev package. Make sure it is in your package.json devDependencies so it doesn't get deployed to your server.

To get a full list of available commands and flags, run:

npx @react-router/dev -h

`react-router build`

Builds your app for production with Vite. This command will set process.env.NODE_ENV to production and minify the output for deployment.

react-router build

Flag	Description	Type	Default
`--assetsInlineLimit`	Static asset base64 inline threshold in bytes	`number`	`4096`
`--clearScreen`	Allow/disable clear screen when logging	`boolean`
`--config`, `-c`	Use specified config file	`string`
`--emptyOutDir`	Force empty outDir when it's outside of root	`boolean`
`--logLevel`, `-l`	Use specified log level	`"info" \| "warn" \| "error" \| "silent" \| string`
`--minify`	Enable/disable minification, or specify minifier to use	`boolean \| "terser" \| "esbuild"`	`"esbuild"`
`--mode`, `-m`	Set env mode	`string`
`--profile`	Start built-in Node.js inspector
`--sourcemapClient`	Output source maps for client build	`boolean \| "inline" \| "hidden"`	`false`
`--sourcemapServer`	Output source maps for server build	`boolean \| "inline" \| "hidden"`	`false`

`react-router dev`

Runs your app in development mode with HMR and Hot Data Revalidation (HDR), powered by Vite.

react-router dev

What is "Hot Data Revalidation"?

Like HMR, HDR is a way of hot updating your app without needing to refresh the page. That way you can keep your app state as your edits are applied in your app. HMR handles client-side code updates like when you change the components, markup, or styles in your app. Likewise, HDR handles server-side code updates.

That means any time you make a change to the current page (or any code that your current page depends on), React Router will re-fetch data from your loaders. That way your app is always up to date with the latest code changes, client-side or server-side.

Flag	Description	Type
`--clearScreen`	Allow/disable clear screen when logging	`boolean`
`--config`, `-c`	Use specified config file	`string`
`--cors`	Enable CORS	`boolean`
`--force`	Force the optimizer to ignore the cache and re-bundle	`boolean`
`--host`	Specify hostname	`string`
`--logLevel`, `-l`	Use specified log level	`"info" \| "warn" \| "error" \| "silent" \| string`
`--mode`, `-m`	Set env mode	`string`
`--open`	Open browser on startup	`boolean \| string`
`--port`	Specify port	`number`
`--profile`	Start built-in Node.js inspector
`--strictPort`	Exit if specified port is already in use	`boolean`

`react-router reveal`

React Router handles the entry points of your application by default.

If you want to have control over these entry points, you can run npx react-router reveal to generate the entry.client.tsx and entry.server.tsx files in your app directory. When these files are present, React Router will use them instead of the defaults.

npx react-router reveal

Flag	Description	Type	Default
`--config`, `-c`	Use specified config file	`string`
`--mode`, `-m`	Set env mode	`string`
`--no-typescript`	Generate plain JavaScript files	`boolean`	`false`
`--typescript`	Generate TypeScript files	`boolean`	`true`

`react-router routes`

Prints the routes in your app to the terminal.

react-router routes

Your route tree will be in a JSX format by default. You can also use the --json flag to get the routes in a JSON format.

react-router routes --json

Flag	Description	Type	Default
`--config`, `-c`	Use specified config file	`string`
`--json`	Output routes in JSON format	`boolean`	`false`
`--mode`, `-m`	Set env mode	`string`

`react-router typegen`

Generates TypeScript types for your routes. This happens automatically during development, but you can manually run it when needed, e.g., to generate types in CI before running tsc. See Type Safety for more information.

react-router typegen

Flag	Description	Type	Default
`--config`, `-c`	Use specified config file	`string`
`--mode`, `-m`	Set env mode	`string`
`--watch`	Watch for changes	`boolean`	`false`