Extract treesitter custom parsers into separate module

init.lua

@@ -234,6 +234,7 @@ vim.api.nvim_create_autocmd('TextYankPost', {
 
 require 'custom.beancount'
 require 'custom.keymaps'
+require 'custom.treesitter'
 
 -- [[ Install `lazy.nvim` plugin manager ]]
 --    See `:help lazy.nvim.txt` or https://github.com/folke/lazy.nvim for more info

lua/custom/treesitter.lua

@@ -0,0 +1,11 @@
+local extra_parsers = { 'bicep', 'beancount' }
+
+vim.api.nvim_create_autocmd('User', {
+  pattern = 'VeryLazy',
+  once = true,
+  callback = function()
+    local ok, treesitter = pcall(require, 'nvim-treesitter')
+    if not ok then return end
+    treesitter.install(extra_parsers)
+  end,
+})