A Zero to Hero Vim + Metals Setup

Chris Kipp

2020 Typelevel Summit

About Me

Grew up in WI on a farm

Studied International

Relations

Now based in the

Netherlands

Software Engineer

at Lunatech Labs

Enjoy working on

tooling & minimal tech

Goals

• Convince everyone here to switch to Vim and Metals
• Show that Vim is not only a viable editor for Scala,  but is well supported and feature rich
• Show how fast it is to get up and running with Metals + Vim
• Show a bit how Metals accounts for difference clients

Vim isn't going anywhere

2019

2018

2017

Stack Overflow Developer Surveys

2018 Scala Developer Survey

2019 Scala Developer Survey

LSP

• neoclide / coc.nvim (9.1K ★ - Node)

• dense-analysis / ale (9.1K ★ - Vimscript)

• autozimu / LanguageClient-neovim (2.7K ★ - Rust)

• prabirshrestha / vim-lsp (1.4K ★ - Vimscript)

• natebosch / vim-lsc (414 ★ - Vimscript)

• neovim / nvim-lsp (563 ★ - Lua)

scalameta / coc-metals

scalameta / coc-metals

1. Plug 'neoclide/coc.nvim', {'branch': 'release'}

2. Paste recommended mappings into your .vimrc

   1. nmap <leader>rn <Plug>(coc-rename)

3. :CocInstall coc-metals

With the assumption you have Node and Java Installed

coc-metals / importing builds

coc-metals / code actions

coc-metals / tree view protocol

coc-metals / worksheets

coc-metals / configuration

coc-metals / commands

coc-metals / doctor

coc-metals / run - debug

Via puremourning / vimspector