feat: enhance fzf-lua options for improved usability

lua/plugins/telescope.lua

@@ -166,7 +166,39 @@ local P = { -- Define Telescope Plugins Specs
   },
   { -- Fzf Lua
     'ibhagwan/fzf-lua',
-    opts = { 'telescope', fzf_colors = true },
+    opts = {
+      'telescope',
+      fzf_colors = true,
+      oldfiles = {
+        -- In Telescope, when I used <leader>fr, it would load old buffers.
+        -- fzf lua does the same, but by default buffers visited in the current
+        -- session are not included. I use <leader>fr all the time to switch
+        -- back to buffers I was just in. If you missed this from Telescope,
+        -- give it a try.
+        include_current_session = true,
+      },
+      previewers = {
+        builtin = {
+          -- fzf-lua is very fast, but it really struggled to preview a couple files
+          -- in a repo. Those files were very big JavaScript files (1MB, minified, all on a single line).
+          -- It turns out it was Treesitter having trouble parsing the files.
+          -- With this change, the previewer will not add syntax highlighting to files larger than 100KB
+          -- (Yes, I know you shouldn't have 100KB minified files in source control.)
+          syntax_limit_b = 1024 * 100, -- 100KB
+        },
+      },
+      grep = {
+        -- One thing I missed from Telescope was the ability to live_grep and the
+        -- run a filter on the filenames.
+        -- Ex: Find all occurrences of "enable" but only in the "plugins" directory.
+        -- With this change, I can sort of get the same behaviour in live_grep.
+        -- ex: > enable --*/plugins/*
+        -- I still find this a bit cumbersome. There's probably a better way of doing this.
+        rg_glob = true, -- enable glob parsing
+        glob_flag = '--iglob', -- case insensitive globs
+        glob_separator = '%s%-%-', -- query separator pattern (lua): ' --'
+      },
+    },
   },
   {
     'danielfalk/smart-open.nvim',