Nvim: many small changes around whole project

.config/nvim/lua/plugins/treesitter.lua

@@ -10,13 +10,17 @@ return {
   config = function()
     -- Tree-sitter configuration
 
-    ts = require'nvim-treesitter.configs'
+    local ts = require'nvim-treesitter.configs'
 
     ts.setup {
       highlight = {
         enable = true,
         disable = function(lang, buf)
-          return vim.api.nvim_buf_line_count(buf) > 5000
+          local max_filesize = 100 * 1024
+          local ok, stats = pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
+          if ok and stats and stats.size > max_filesize then
+            return true
+          end
         end,
         additional_vim_regex_highlighting = false,
       },
@@ -60,10 +64,9 @@ return {
         "vim",
         "yaml",
       },
-      -- disabled, since it mostly shifts to four characters
-      --indent = {
-      --  enable = true,
-      --},
+      indent = {
+       enable = true,
+      },
       incremental_selection = {
         enable = true,
         keymaps = {
@@ -79,7 +82,7 @@ return {
         include_match_words
       },
     }
-    -- vim.opt.foldmethod = "expr"
-    -- vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
+    vim.opt.foldmethod = "expr"
+    vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
   end
 }