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vite-plugin-terminal

Log in the node terminal from the browser

Open a playground online in StackBlitz

Install

npm i -D vite-plugin-terminal

Add plugin to your vite.config.ts:

// vite.config.ts
import Terminal from 'vite-plugin-terminal'

export default {
  plugins: [
    Terminal()
  ]
}

Usage

In your source code import terminal, and use it like you do with console.log.

import { terminal } from 'virtual:terminal'

terminal.log('Hey terminal! A message from the browser')

The terminal log calls will be removed when building the app.

Types

There are two ways of telling typescript about the types of the virtual import:

• In your global.d.ts file add the following line:

  /// <reference types="vite-plugin-terminal/client" />
  

• In your tsconfig.json add the following to your compilerOptions.types array:

  {
    // ...
    "compilerOptions": {
      // ...
      "types": [
        "vite-plugin-terminal/client"
      ],
    },
  }
  

API

Supported methods:

• terminal.log(obj1 [, obj2, ..., objN])
• terminal.info(obj1 [, obj2, ..., objN])
• terminal.warn(obj1 [, obj2, ..., objN])
• terminal.error(obj1 [, obj2, ..., objN])
• terminal.assert(assertion, obj1 [, obj2, ..., objN])
• terminal.group()
• terminal.groupCollapsed()
• terminal.groupEnd()
• terminal.table(obj)
• terminal.time(id)
• terminal.timeLog(id, obj1 [, obj2, ..., objN])
• terminal.timeEnd(id)
• terminal.clear()
• terminal.count(label)
• terminal.countReset(label)
• terminal.dir(obj)
• terminal.dirxml(obj)

These methods will work but use the console

• terminal.trace(...args: any[])
• terminal.profile(...args: any[])
• terminal.profileEnd(...args: any[])

Redirect console logs to the terminal

If you want the standard console logs to appear in the terminal, you can use the console: 'terminal' option in your vite.config.ts:

// vite.config.ts
import Terminal from 'vite-plugin-terminal'

export default {
  plugins: [
    Terminal({
      console: 'terminal'
    })
  ]
}

In this case, you don't need to import the virtual terminal to use the plugin.

console.log('Hey terminal! A message from the browser')

You can also overwrite it in your index.html head manually in case you would like more control.

  <script type="module">
    // Redirect console logs to the terminal
    import terminal from 'virtual:terminal'
    globalThis.console = terminal
  </script>

Check the Console playground for a full example.

Log in both the terminal and the console

You can use the output option to define where the terminal logs should be logged. Accepts terminal, console, or an array with both.

// vite.config.ts
import Terminal from 'vite-plugin-terminal'

export default {
  plugins: [
    Terminal({
      output: ['terminal', 'console']
    })
  ]
}

Examples

• Basic - Playground using every available method.
• Console - Redirect standard console logs to the terminal.
• Auto Import - Use unplugin-auto-import to make terminal global in your app.
• Vue - Example of logging to the terminal from a Vue App.

Options

console

Type: 'terminal' | undefined<br> Default: undefined<br>

Set to 'terminal' to make globalThis.console equal to the terminal object in your app.

output

Type: 'terminal' | 'console' | ['terminal', 'console']<br> Default: terminal<br>

Define where the output for the logs.

strip

Type: boolean<br> Default: true<br>

Strip terminal.*() when bundling for production.

include

Type: String | RegExp | Array[...String|RegExp]<br> Default: /.+\.(js|ts|mjs|cjs|mts|cts)/<br> Example: include: '**/*.(mjs|js)',<br>

A pattern, or array of patterns, which specify the files in the build the plugin should operate on when removing calls for production.

exclude

Type: String | RegExp | Array[...String|RegExp]<br> Default: []<br> Example: exlude: 'tests/**/*',<br>

A pattern, or array of patterns, which specify the files in the build the plugin should ignore when removing calls for production.

Credits

• Original idea from Domenic Elm
• Project setup from @antfu's vite-plugin-inspect
• Bundling by unbuild
• Strip functions during build uses rollup-plugin-strip

Sponsors

<p align="center"> <a href="https://patak.dev/sponsors.svg"> <img src="https://patak.dev/sponsors.svg"/> </a> </p>

License

MIT License © 2022-present Matias Capeletto