centered scrolling

lua/config/keymaps.lua

@@ -1,3 +1,20 @@
 -- Keymaps are automatically loaded on the VeryLazy event
 -- Default keymaps that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/keymaps.lua
 -- Add any additional keymaps here
+
+local function map(mode, lhs, rhs, opts)
+  local keys = require("lazy.core.handler").handlers.keys
+  ---@cast keys LazyKeysHandler
+  -- do not create the keymap if a lazy keys handler exists
+  if not keys.active[keys.parse({ lhs, mode = mode }).id] then
+    opts = opts or {}
+    opts.silent = opts.silent ~= false
+    if opts.remap and not vim.g.vscode then
+      opts.remap = nil
+    end
+    vim.keymap.set(mode, lhs, rhs, opts)
+  end
+end
+
+map("n", "<C-u>", "<C-u>zz", { desc = "Centered Half Page Up", remap = true })
+map("n", "<C-d>", "<C-d>zz", { desc = "Centered Half Page Down", remap = true })