From 4d5f24d6c1ecd1c77aded7fc4e59a329d27509b8 Mon Sep 17 00:00:00 2001
From: Ashraf Michail <user@noemail.com>
Date: Sat, 30 Sep 2023 00:35:22 +0000
Subject: Defer Treesitter setup to improve startup time of nvim {filename}

---
 init.lua | 113 ++++++++++++++++++++++++++++++++-------------------------------
 1 file changed, 58 insertions(+), 55 deletions(-)

diff --git a/init.lua b/init.lua
index 5257113..e5bc576 100644
--- a/init.lua
+++ b/init.lua
@@ -321,69 +321,72 @@ vim.keymap.set('n', '<leader>sr', require('telescope.builtin').resume, { desc =
 
 -- [[ Configure Treesitter ]]
 -- See `:help nvim-treesitter`
-require('nvim-treesitter.configs').setup {
-  -- Add languages to be installed here that you want installed for treesitter
-  ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'tsx', 'javascript', 'typescript', 'vimdoc', 'vim' },
-
-  -- Autoinstall languages that are not installed. Defaults to false (but you can change for yourself!)
-  auto_install = false,
-
-  highlight = { enable = true },
-  indent = { enable = true },
-  incremental_selection = {
-    enable = true,
-    keymaps = {
-      init_selection = '<c-space>',
-      node_incremental = '<c-space>',
-      scope_incremental = '<c-s>',
-      node_decremental = '<M-space>',
-    },
-  },
-  textobjects = {
-    select = {
+-- Defer Treesitter setup after first render to improve startup time of 'nvim {filename}'
+vim.defer_fn(function()
+  require('nvim-treesitter.configs').setup {
+    -- Add languages to be installed here that you want installed for treesitter
+    ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'tsx', 'javascript', 'typescript', 'vimdoc', 'vim' },
+  
+    -- Autoinstall languages that are not installed. Defaults to false (but you can change for yourself!)
+    auto_install = false,
+  
+    highlight = { enable = true },
+    indent = { enable = true },
+    incremental_selection = {
       enable = true,
-      lookahead = true, -- Automatically jump forward to textobj, similar to targets.vim
       keymaps = {
-        -- You can use the capture groups defined in textobjects.scm
-        ['aa'] = '@parameter.outer',
-        ['ia'] = '@parameter.inner',
-        ['af'] = '@function.outer',
-        ['if'] = '@function.inner',
-        ['ac'] = '@class.outer',
-        ['ic'] = '@class.inner',
+        init_selection = '<c-space>',
+        node_incremental = '<c-space>',
+        scope_incremental = '<c-s>',
+        node_decremental = '<M-space>',
       },
     },
-    move = {
-      enable = true,
-      set_jumps = true, -- whether to set jumps in the jumplist
-      goto_next_start = {
-        [']m'] = '@function.outer',
-        [']]'] = '@class.outer',
+    textobjects = {
+      select = {
+        enable = true,
+        lookahead = true, -- Automatically jump forward to textobj, similar to targets.vim
+        keymaps = {
+          -- You can use the capture groups defined in textobjects.scm
+          ['aa'] = '@parameter.outer',
+          ['ia'] = '@parameter.inner',
+          ['af'] = '@function.outer',
+          ['if'] = '@function.inner',
+          ['ac'] = '@class.outer',
+          ['ic'] = '@class.inner',
+        },
       },
-      goto_next_end = {
-        [']M'] = '@function.outer',
-        [']['] = '@class.outer',
+      move = {
+        enable = true,
+        set_jumps = true, -- whether to set jumps in the jumplist
+        goto_next_start = {
+          [']m'] = '@function.outer',
+          [']]'] = '@class.outer',
+        },
+        goto_next_end = {
+          [']M'] = '@function.outer',
+          [']['] = '@class.outer',
+        },
+        goto_previous_start = {
+          ['[m'] = '@function.outer',
+          ['[['] = '@class.outer',
+        },
+        goto_previous_end = {
+          ['[M'] = '@function.outer',
+          ['[]'] = '@class.outer',
+        },
       },
-      goto_previous_start = {
-        ['[m'] = '@function.outer',
-        ['[['] = '@class.outer',
-      },
-      goto_previous_end = {
-        ['[M'] = '@function.outer',
-        ['[]'] = '@class.outer',
+      swap = {
+        enable = true,
+        swap_next = {
+          ['<leader>a'] = '@parameter.inner',
+        },
+        swap_previous = {
+          ['<leader>A'] = '@parameter.inner',
+        },
       },
     },
-    swap = {
-      enable = true,
-      swap_next = {
-        ['<leader>a'] = '@parameter.inner',
-      },
-      swap_previous = {
-        ['<leader>A'] = '@parameter.inner',
-      },
-    },
-  },
-}
+  }
+end, 0)
 
 -- Diagnostic keymaps
 vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, { desc = 'Go to previous diagnostic message' })
-- 
cgit v1.2.3