Building a Cross-Platform CLI with Deno

2023/09/01

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In this article, the author demonstrates how to build a cross-platform Command Line Interface (CLI) using Deno. The article highlights Deno's zero config and all-in-one modern tooling, which makes building CLIs a breeze. The author provides step-by-step instructions on setting up Deno and the IDE, creating a folder for the CLI, and writing the logic in a main.ts file. They also explain how to parse arguments and flags using Deno's flags module from the standard library. Additionally, the article covers the ability to define types, assign default values, and create aliases for each argument using the parse() function. The author then introduces the concept of managing state in a CLI and demonstrates how to add persistent storage using Deno KV, a key-value data store built into the Deno runtime. Overall, this article serves as a comprehensive guide for developers looking to build a CLI using Deno.