A quick introduction to the Deno CLI. The Deno CLI is a batteries included executable with everything you need to develop, test, and run Deno code.
A quick introduction to the Deno CLI. It's a batteries included executable with everything you need to develop, test, and run Deno code.
The Deno CLI is a batteries included executable with everything you need to develop, test, and run Deno code.
CLI commands in Deno version 1.0:
In this article, we'll briefly discuss each command.
Tip: You can use the
--helpoption to get information about each command, for example
deno run --help.
Common CLI options in Deno version 1.0 supported by all commands:
--help: Display usage and example information about one or all commands.
--log-level <debug|info>: Filter output based on log level.
--quiet: Disable most intermediary output.
--version: Display the versions of Deno, V8, and TypeScript included in the
Other than these, some commands support permission options such as
--allow-net. We will not discuss these in this article.
What is Deno? Deno aims to provide a productive and secure scripting environment for the modern programmer. It is built on top of V8, Rust, and TypeScript. DenoJS is there to replace NodeJS. Let's take a first look at Deno, explore it's key features and find out if you should make the switch.
This introduction tutorial video explains what Deno is, its key features, and comparison of main differences vs Node.js. Deno is NOT a direct replacement for Node, and is not "backward compatible". Deno does all the same things as Node, but it does them differently. Deno is a new architecture that provides better security and superior TypeScript support.