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Bun for Visual Studio Code

Visual Studio Marketplace Version

This extension adds support for using Bun with Visual Studio Code. Bun is an all-in-one toolkit for JavaScript and TypeScript apps.

At its core is the Bun runtime, a fast JavaScript runtime designed as a drop-in replacement for Node.js. It's written in Zig and powered by JavaScriptCore under the hood, dramatically reducing startup times and memory usage.

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Configuration

.vscode/launch.json

You can use the following configurations to debug JavaScript and TypeScript files using Bun.

{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "bun",
      "request": "launch",
      "name": "Debug Bun",

      // The path to a JavaScript or TypeScript file to run.
      "program": "${file}",

      // The arguments to pass to the program, if any.
      "args": [],

      // The working directory of the program.
      "cwd": "${workspaceFolder}",

      // The environment variables to pass to the program.
      "env": {},

      // If the environment variables should not be inherited from the parent process.
      "strictEnv": false,

      // If the program should be run in watch mode.
      // This is equivalent to passing `--watch` to the `bun` executable.
      // You can also set this to "hot" to enable hot reloading using `--hot`.
      "watchMode": false,

      // If the debugger should stop on the first line of the program.
      "stopOnEntry": false,

      // If the debugger should be disabled. (for example, breakpoints will not be hit)
      "noDebug": false,

      // The path to the `bun` executable, defaults to your `PATH` environment variable.
      "runtime": "bun",

      // The arguments to pass to the `bun` executable, if any.
      // Unlike `args`, these are passed to the executable itself, not the program.
      "runtimeArgs": [],
    },
    {
      "type": "bun",
      "request": "attach",
      "name": "Attach to Bun",

      // The URL of the WebSocket inspector to attach to.
      // This value can be retrieved by using `bun --inspect`.
      "url": "ws://localhost:6499/",
    }
  ]
}

.vscode/settings.json

You can use the following configurations to customize the behavior of the Bun extension.

{
  // The path to the `bun` executable.
  "bun.runtime": "/path/to/bun",

  // If support for Bun should be added to the default "JavaScript Debug Terminal".
  "bun.debugTerminal.enabled": true,
  
  // If the debugger should stop on the first line of the program.
  "bun.debugTerminal.stopOnEntry": false,
}