improving startup time by using lazy loading or filetype loading

lua/custom/plugins/gitsigns.lua

@@ -1,32 +1,45 @@
 return {
-  -- Adds git related signs to the gutter, as well as utilities for managing changes
-  'lewis6991/gitsigns.nvim',
-  opts = {
-    -- See `:help gitsigns.txt`
-    signs = {
-      add = { text = '+' },
-      change = { text = '~' },
-      delete = { text = '_' },
-      topdelete = { text = '‾' },
-      changedelete = { text = '~' },
-    },
-    on_attach = function(bufnr)
-      vim.keymap.set('n', '<leader>hp', require('gitsigns').preview_hunk, {
-        buffer = bufnr, desc = 'Preview git hunk'
-      })
+  -- Lazy load gitsigns.nvim only if in a git repository
+  {
+    'lewis6991/gitsigns.nvim',
+    opts = {
+      -- Configuration options for gitsigns.nvim
+      signs = {
+        add = { text = '+' },
+        change = { text = '~' },
+        delete = { text = '_' },
+        topdelete = { text = '‾' },
+        changedelete = { text = '~' },
+      },
+      -- on_attach function executed when the plugin is attached to a buffer
+      on_attach = function(bufnr)
+        vim.keymap.set('n', '<leader>hp', require('gitsigns').preview_hunk, {
+          buffer = bufnr, desc = 'Preview git hunk'
+        })
 
-      -- don't override the built-in and fugitive keymaps
-      local gs = package.loaded.gitsigns
-      vim.keymap.set({ 'n', 'v' }, ']c', function()
-        if vim.wo.diff then return ']c' end
-        vim.schedule(function() gs.next_hunk() end)
-        return '<Ignore>'
-      end, { expr = true, buffer = bufnr, desc = "Jump to next hunk" })
-      vim.keymap.set({ 'n', 'v' }, '[c', function()
-        if vim.wo.diff then return '[c' end
-        vim.schedule(function() gs.prev_hunk() end)
-        return '<Ignore>'
-      end, { expr = true, buffer = bufnr, desc = "Jump to previous hunk" })
-    end,
+        -- Don't override built-in and fugitive keymaps
+        local gs = require('gitsigns')
+        vim.keymap.set({ 'n', 'v' }, ']c', function()
+          if vim.wo.diff then
+            return ']c'
+          end
+          vim.schedule(function()
+            gs.next_hunk()
+          end)
+          return '<Ignore>'
+        end, { expr = true, buffer = bufnr, desc = 'Jump to next hunk' })
+
+        vim.keymap.set({ 'n', 'v' }, '[c', function()
+          if vim.wo.diff then
+            return '[c'
+          end
+          vim.schedule(function()
+            gs.prev_hunk()
+          end)
+          return '<Ignore>'
+        end, { expr = true, buffer = bufnr, desc = 'Jump to previous hunk' })
+      end,
+    },
   },
 }
+