feat(ui): add dashboard animation

lua/lazyvim/plugins/ui.lua

@@ -279,16 +279,67 @@ return {
     event = "VimEnter",
     opts = function()
       local dashboard = require("alpha.themes.dashboard")
-      local logo = [[
+      local interval_ms = 700
-           ██╗      █████╗ ███████╗██╗   ██╗██╗   ██╗██╗███╗   ███╗          Z
+      local frame_index = 1
-           ██║     ██╔══██╗╚══███╔╝╚██╗ ██╔╝██║   ██║██║████╗ ████║      Z    
+      local frames = {
-           ██║     ███████║  ███╔╝  ╚████╔╝ ██║   ██║██║██╔████╔██║   z       
+        [[
+           ██╗      █████╗ ███████╗██╗   ██╗██╗   ██╗██╗███╗   ███╗
+           ██║     ██╔══██╗╚══███╔╝╚██╗ ██╔╝██║   ██║██║████╗ ████║
+           ██║     ███████║  ███╔╝  ╚████╔╝ ██║   ██║██║██╔████╔██║
            ██║     ██╔══██║ ███╔╝    ╚██╔╝  ╚██╗ ██╔╝██║██║╚██╔╝██║ z         
            ███████╗██║  ██║███████╗   ██║    ╚████╔╝ ██║██║ ╚═╝ ██║
            ╚══════╝╚═╝  ╚═╝╚══════╝   ╚═╝     ╚═══╝  ╚═╝╚═╝     ╚═╝
-      ]]
+      ]],
+        [[
+           ██╗      █████╗ ███████╗██╗   ██╗██╗   ██╗██╗███╗   ███╗
+           ██║     ██╔══██╗╚══███╔╝╚██╗ ██╔╝██║   ██║██║████╗ ████║
+           ██║     ███████║  ███╔╝  ╚████╔╝ ██║   ██║██║██╔████╔██║   z       
+           ██║     ██╔══██║ ███╔╝    ╚██╔╝  ╚██╗ ██╔╝██║██║╚██╔╝██║
+           ███████╗██║  ██║███████╗   ██║    ╚████╔╝ ██║██║ ╚═╝ ██║
+           ╚══════╝╚═╝  ╚═╝╚══════╝   ╚═╝     ╚═══╝  ╚═╝╚═╝     ╚═╝
+      ]],
+        [[
+           ██╗      █████╗ ███████╗██╗   ██╗██╗   ██╗██╗███╗   ███╗
+           ██║     ██╔══██╗╚══███╔╝╚██╗ ██╔╝██║   ██║██║████╗ ████║      Z    
+           ██║     ███████║  ███╔╝  ╚████╔╝ ██║   ██║██║██╔████╔██║
+           ██║     ██╔══██║ ███╔╝    ╚██╔╝  ╚██╗ ██╔╝██║██║╚██╔╝██║
+           ███████╗██║  ██║███████╗   ██║    ╚████╔╝ ██║██║ ╚═╝ ██║
+           ╚══════╝╚═╝  ╚═╝╚══════╝   ╚═╝     ╚═══╝  ╚═╝╚═╝     ╚═╝
+      ]],
+        [[
+           ██╗      █████╗ ███████╗██╗   ██╗██╗   ██╗██╗███╗   ███╗          Z
+           ██║     ██╔══██╗╚══███╔╝╚██╗ ██╔╝██║   ██║██║████╗ ████║
+           ██║     ███████║  ███╔╝  ╚████╔╝ ██║   ██║██║██╔████╔██║
+           ██║     ██╔══██║ ███╔╝    ╚██╔╝  ╚██╗ ██╔╝██║██║╚██╔╝██║
+           ███████╗██║  ██║███████╗   ██║    ╚████╔╝ ██║██║ ╚═╝ ██║
+           ╚══════╝╚═╝  ╚═╝╚══════╝   ╚═╝     ╚═══╝  ╚═╝╚═╝     ╚═╝
+      ]],
+      }
+      -- Function to update the header with the next frame
+      local function update_header()
+        dashboard.section.header.val = vim.split(frames[frame_index], "\n")
+        frame_index = (frame_index % #frames) + 1
+      end
+
+      -- Init
+      update_header()
+
+      -- Start timer to update the header
+      local timer_id = vim.fn.timer_start(interval_ms, function()
+        update_header()
+        pcall(vim.cmd.AlphaRedraw)
+      end, { ["repeat"] = -1 })
+
+      -- end timer when Dashboard is closed
+      vim.api.nvim_create_autocmd("User", {
+        pattern = "AlphaClosed",
+        callback = function()
+          if timer_id then
+            vim.fn.timer_stop(timer_id)
+          end
+        end,
+      })
 
-      dashboard.section.header.val = vim.split(logo, "\n")
       dashboard.section.buttons.val = {
         dashboard.button("f", " " .. " Find file", ":Telescope find_files <CR>"),
         dashboard.button("n", " " .. " New file", ":ene <BAR> startinsert <CR>"),