feat: add some QoL autocmds and cleanup existing

1 files changed, 48 insertions, 2 deletions

diff --git a/plugin/autocmd.lua b/plugin/autocmd.lua
index 21b5f9f..1597a21 100644
--- a/plugin/autocmd.lua
+++ b/plugin/autocmd.lua
@@ -1,7 +1,7 @@
 local autocmd = vim.api.nvim_create_autocmd
 
+-- Highlight text being yanked.
 autocmd({ "TextYankPost" }, {
-  pattern = "*",
   callback = function()
     vim.highlight.on_yank({
       higroup = "IncSearch",
@@ -10,4 +10,50 @@ autocmd({ "TextYankPost" }, {
   end,
 })
 
-autocmd({ "BufWritePre" }, { pattern = "*", command = [[%s/\s\+$//e]] })
+-- Remove trailing whitespace on save (and keep cursor's position!).
+autocmd({ "BufWritePre" }, {
+  callback = function()
+    local cursor = vim.fn.getpos(".")
+    vim.cmd([[%s/\s\+$//e]])
+    vim.fn.setpos(".", cursor)
+  end,
+})
+
+-- Restore cursor's position in buffer from previous session.
+autocmd({ "BufReadPost" }, {
+  callback = function(args)
+    local mark = vim.api.nvim_buf_get_mark(args.buf, '"')
+    local count = vim.api.nvim_buf_line_count(args.buf)
+    if mark[1] > 0 and mark[1] <= count then
+      vim.cmd('normal! g`"zz')
+    end
+  end,
+})
+
+-- Close on `q` or `<Esc>`.
+autocmd({ "FileType" }, {
+  pattern = {
+    "help",
+    "qf",
+    "lspinfo",
+    "man",
+    "checkhealth",
+    "lazy",
+  },
+  command = [[
+    nnoremap <buffer><silent> q :close<CR>
+    nnoremap <buffer><silent> <Esc> :close<CR>
+    set nobuflisted
+  ]]
+})
+
+-- Autocreate a directory when saving a file.
+autocmd({ "BufWritePre" }, {
+  callback = function(event)
+    if event.match:match("^%w%w+:[\\/][\\/]") then
+      return
+    end
+    local file = vim.uv.fs_realpath(event.match) or event.match
+    vim.fn.mkdir(vim.fn.fnamemodify(file, ":p:h"), "p")
+  end,
+})