Vim and Neovim
Vim version 9.1.1042 or better and Neovim version 0.11 or better support Justfile syntax highlighting out of the box, thanks to pbnj.
vim-just
The vim-just plugin provides syntax
highlighting for justfiles.
Install it with your favorite package manager, like Plug:
call plug#begin()
Plug 'NoahTheDuke/vim-just'
call plug#end()
Or with Vim’s built-in package support:
mkdir -p ~/.vim/pack/vendor/start
cd ~/.vim/pack/vendor/start
git clone https://github.com/NoahTheDuke/vim-just.git
tree-sitter-just
tree-sitter-just is an Nvim Treesitter plugin for Neovim.