Add telescope filters

nvim/.config/nvim/lua/plugins/telescope.lua

@@ -13,4 +13,35 @@ return {
     { "<Leader>s", ":Telescope lsp_dynamic_workspace_symbols<CR>" },
   },
   lazy = true,
+  config = function()
+    local previewers = require("telescope.previewers")
+
+    -- https://github.com/nvim-telescope/telescope.nvim/wiki/Configuration-Recipes#disable-highlighting-for-certain-files
+    local _bad = { ".*%.csv", ".*%.lua", "Dockerfile.*" } -- Put all filetypes that slow you down in this array
+    local bad_files = function(filepath)
+      for _, v in ipairs(_bad) do
+        if filepath:match(v) then
+          return false
+        end
+      end
+
+      return true
+    end
+
+    local new_maker = function(filepath, bufnr, opts)
+      opts = opts or {}
+      if opts.use_ft_detect == nil then opts.use_ft_detect = true end
+      opts.use_ft_detect = opts.use_ft_detect == false and false or bad_files(filepath)
+      previewers.buffer_previewer_maker(filepath, bufnr, opts)
+    end
+
+    require("telescope").setup {
+      defaults = {
+        buffer_previewer_maker = new_maker,
+        preview = {
+          filesize_limit = 0.05, -- in MB
+        },
+      }
+    }
+  end,
 }