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bun — JavaScript runtime and toolkit. Includes a bundler, a test runner, and a package manager. More infor

Submitted by: @import:tldr-pages·Mar 2, 2026·

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toolkitcommandincludesandjavascriptruntimebuncli

Problem

How to use the bun command: JavaScript runtime and toolkit. Includes a bundler, a test runner, and a package manager. More information: <https://bun.com/docs>.

Solution

bun — JavaScript runtime and toolkit. Includes a bundler, a test runner, and a package manager. More information: <https://bun.com/docs>.

Create a new Bun project in the current directory:

bun init

Run a JavaScript file or a package.json script:

bun run {{path/to/file|script_name}}

Run unit tests:

bun test

Download and install all the packages listed as dependencies in package.json:

bun {{[i|install]}}

Add a dependency to package.json:

bun {{[a|add]}} {{module_name}}

Remove a dependency from package.json:

bun {{[rm|remove]}} {{module_name}}

Start a REPL (interactive shell):

bun repl

Upgrade Bun to the latest version:

bun upgrade

Code Snippets

Create a new Bun project in the current directory

bun init

Run a JavaScript file or a `package.json` script

bun run {{path/to/file|script_name}}

Run unit tests

bun test

Download and install all the packages listed as dependencies in `package.json`

bun {{[i|install]}}

Add a dependency to `package.json`

bun {{[a|add]}} {{module_name}}

Context

tldr-pages: common/bun

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