feat: quickfile

lua/snacks/quickfile.lua

@@ -0,0 +1,39 @@
+---@class snacks.quickfile
+local M = {}
+
+---@class snacks.quickfile.Config
+local defaults = {
+  -- any treesitter langs to exclude
+  exclude = { "latex" },
+}
+
+function M.setup()
+  local opts = Snacks.config.get("quickfile", defaults)
+  -- Skip if we already entered vim
+  if vim.v.vim_did_enter == 1 then
+    return
+  end
+
+  local buf = vim.api.nvim_get_current_buf()
+
+  -- Try to guess the filetype (may change later on during Neovim startup)
+  local ft = vim.filetype.match({ buf = buf })
+  if ft then
+    -- Add treesitter highlights and fallback to syntax
+    local lang = vim.treesitter.language.get_lang(ft)
+
+    -- disable treesitter for some langs
+    if vim.tbl_contains(opts.exclude, lang) then
+      lang = nil
+    end
+
+    if not (lang and pcall(vim.treesitter.start, buf, lang)) then
+      vim.bo[buf].syntax = ft
+    end
+
+    -- Trigger early redraw
+    vim.cmd([[redraw]])
+  end
+end
+
+return M