neovim: refactor: split init.lua

1 files changed, 55 insertions, 0 deletions

diff --git a/.config/nvim/lua/init/03-autocmds.lua b/.config/nvim/lua/init/03-autocmds.lua
new file mode 100644
index 0000000..92e4344
--- /dev/null
+++ b/.config/nvim/lua/init/03-autocmds.lua
@@ -0,0 +1,55 @@
+local F = vim.fn
+local O = vim.o
+local vimrc = require('vimrc')
+local A = vimrc.autocmd
+
+
+vimrc.create_augroup_for_vimrc()
+
+
+-- Auto-resize windows when Vim is resized.
+A('VimResized', {
+   command = 'wincmd =',
+})
+
+
+-- Calculate 'numberwidth' to fit file size.
+-- Note: extra 2 is the room of left and right spaces.
+A({'BufEnter', 'WinEnter', 'BufWinEnter'}, {
+   callback = function()
+      vim.wo.numberwidth = #tostring(F.line('$')) + 2
+   end,
+})
+
+
+-- Jump to the last cursor position when you open a file.
+A('BufRead', {
+   callback = function()
+      if 0 < F.line("'\"") and F.line("'\"") <= F.line('$') and
+         not O.filetype:match('commit') and not O.filetype:match('rebase')
+      then
+         vim.cmd('normal g`"')
+      end
+   end,
+})
+
+
+-- Lua version of https://github.com/mopp/autodirmake.vim
+-- License: NYSL
+A('BufWritePre', {
+   callback = function()
+      local dir = F.expand('<afile>:p:h')
+      if F.isdirectory(dir) ~= 0 then
+         return
+      end
+      vimrc.echo(('"%s" does not exist. Create? [y/N] '):format(dir), 'Question')
+      local answer = vimrc.getchar()
+      if answer ~= 'y' and answer ~= 'Y' then
+         return
+      end
+      F.mkdir(dir, 'p')
+   end,
+})
+
+
+vimrc.register_filetype_autocmds_for_indentation()