dotfiles/configs/nvim/lua/autocmds.lua

-- detect filetype
vim.filetype.add({extension = {ua = "uiua" }})

vim.api.nvim_create_augroup("aprzn", {clear = true})
vim.api.nvim_create_autocmd("BufWritePost", {
    group = "aprzn",
    pattern = {"*/.config/nvim/*.lua", "*/.config/nvim/lua/*.lua"},
    command = "source $MYVIMRC"
}) -- reload config file on save

-- vim.api.nvim_create_autocmd("VimEnter", {
--     group = "aprzn",
--     pattern = {"*"},
--     command = "NERDTree"
-- }) -- open nerdtree on start

vim.api.nvim_create_autocmd("CursorHold", {
    group = "aprzn",
    pattern = {"*"},
    command = "call CocActionAsync('highlight')"
}) -- highlight matching tokens when not moving cursor

vim.api.nvim_create_autocmd("ColorScheme", {
    group = "aprzn",
    pattern = {"*"},
    callback = function(ev)
        local file = io.open(vim.fn.stdpath('config') .. "/colorscheme", "w")
        local cs = ev.match
        file:write(cs)
        file:close()
    end
}) -- save colorscheme

 vim.api.nvim_create_autocmd("BufWritePost", {
     pattern = "*.ua",
     callback = function(ev)
         vim.cmd("silent !uiua fmt " .. vim.fn.expand("<amatch>"))
     end,
 }) -- format uiua on save

return false