CLI

Deno CLI

To interact with the Deno runtime environment from your terminal or command prompt.

Execution

Command	Description
deno run	To run scripts.
deno serve	To run a web server.
deno task	To run tasks configured in deno.json. (Ex.: deno task build)

Command Line Arguments

It is possible to provide runtime arguments to your scripts.

deno run main.ts arg1 arg2 arg3

Inside main.ts you grab the arguments with:

console.log(Deno.args);

Note that anything passed after the script name will be passed as a script argument and not consumed as a Deno runtime flag.

Watch mode

Supply the --watch to run, test, fmt to enable the built-in file watcher.

The watcher enables automatic reloading of your application whenever changes are detected on the source files.

(Similar to nodemon for Node)

Other common flags

Can be checked in the docs.

Dependency Management

Command	Description
deno add	Add dependencies.
deno install	Install a dependency or a script.
deno uninstall	Uninstall a dependency or a script.
deno remove	Remove dependencies.
deno outdated	View or update outdated dependencies.

Tooling

Command	Description
deno upgrade	Upgrade deno to last version.
deno init	Create a new project.
deno test	Run your tests.
deno coverage	Generate test coverage reports.
deno doc	Generate documentation for a module.
deno bench	Benchmarking tool.
deno compile	Compile a program into a standalone executable.
deno fmt	Format your code.
deno lint	Lint your code.