Managing Development Tools, Runtimes and Environments with mise

Figure 1. Mise Cover Image Managing different versions of programming languages and command-line tools across projects is a recurring pain. One project needs Node 18, another Node 22, a third pins Python 3.11 while your system ships 3.12. Traditionally we solved this with a zoo of single-purpose version managers like nvm, pyenv, rbenv, sdkman or asdf. mise (pronounced "meez", short for mise-en-place) replaces all of them with a single, fast tool written in Rust. It manages tool versions, per-project environment variables and project tasks – roughly asdf + direnv + a task runner in one binary. ...

August 26, 2026 · 5 min · 856 words · Micha Kops

JavaScript Snippets

Creating a Nodejs Module 1) Create a package.json using npm init $ npm init This utility will walk you through creating a package.json file. It only covers the most common items, and tries to guess sane defaults. See npm help json for definitive documentation on these fields and exactly what they do. Use npm install <pkg> --save afterwards to install a package and save it as a dependency in the package.json file. ...

March 1, 2010 · 3 min · 507 words · Micha Kops