: deno -h
Deno: A modern JavaScript and TypeScript runtime

Usage: deno [OPTIONS] [COMMAND]

Commands:
...
  Dependency management:
    add          Add dependencies
                  deno add @std/assert  |  deno add npm:express
...

: deno add -h
Add dependencies to your configuration file.
  deno add @std/path

You can add multiple dependencies at once:
  deno add @std/path @std/assert

Usage: deno add [OPTIONS] [packages]...

Arguments:
  [packages]...  List of packages to add

Options:
  -D, --dev    Add as a dev dependency
  -q, --quiet  Suppress diagnostic output

: deno install -h
Installs dependencies either in the local project or globally to a bin directory.

Local installation

Add dependencies to the local project's configuration (deno.json / package.json) and installs them
in the package cache. If no dependency is specified, installs all dependencies listed in the config file.
If the --entrypoint flag is passed, installs the dependencies of the specified entrypoint(s).

  deno install
  deno install @std/bytes
  deno install npm:chalk
  deno install --entrypoint entry1.ts entry2.ts
...

: deno upgrade                                                                                    10/17/2024 12:55:36 PM
Current Deno version: v2.0.0
Looking up stable version

Local deno version 2.0.0 is the most recent release