Update

dot_config/nvim/lua/plugins/wilder.lua

@@ -0,0 +1,63 @@
+vim.pack.add({
+  { src = "https://github.com/gelguy/wilder.nvim" },
+  { src = "https://github.com/nvim-tree/nvim-web-devicons" },
+})
+
+local wilder = require("wilder")
+
+-- Suggestions while typing in cmdline and search modes.
+-- <Tab>/<S-Tab> cycle candidates, <Down> accepts.
+wilder.setup({ modes = { ":", "/", "?" } })
+
+-- Catppuccin palette
+local blue = "#89b4fa"
+local overlay0 = "#9399b3"
+local surface0 = "#313244"
+local mantle = "#181826"
+local text = "#cdd6f4"
+
+-- Derive wilder highlight groups from the catppuccin colors above. Groups
+-- made with make_hl are recreated each time wilder starts, so they track
+-- values computed at colorscheme load time.
+local function hl(name, base, fg, bg)
+  return wilder.make_hl(name, base, { { a = 1 }, { a = 1 }, {
+    foreground = fg,
+    background = bg,
+  } })
+end
+
+local menu_hl = hl("WilderCatppuccinMenu", "Pmenu", overlay0, mantle)
+local selected_hl = hl("WilderCatppuccinMenuSel", "PmenuSel", text, surface0)
+local accent_hl = hl("WilderCatppuccinAccent", "Pmenu", blue, mantle)
+local sel_accent_hl = hl("WilderCatppuccinSelAccent", "PmenuSel", blue, surface0)
+local border_hl = hl("WilderCatppuccinBorder", "FloatBorder", blue, mantle)
+
+-- popupmenu fits the cmdline better; wildmenu avoids overlapping the
+-- window when searching with / or ?
+wilder.set_option("renderer", wilder.renderer_mux({
+  [":"] = wilder.popupmenu_renderer(
+    wilder.popupmenu_border_theme({
+      highlighter = wilder.basic_highlighter(),
+      highlights = {
+        default = menu_hl,
+        selected = selected_hl,
+        accent = accent_hl,
+        selected_accent = sel_accent_hl,
+        border = border_hl,
+      },
+      left = { " ", wilder.popupmenu_devicons() },  -- file icons for file candidates
+      right = { " ", wilder.popupmenu_scrollbar() },
+      border = "rounded",
+      min_height = 3, -- keep the bordered popup a consistent size
+    })
+  ),
+  ["/"] = wilder.wildmenu_renderer({
+    highlighter = wilder.basic_highlighter(),
+    highlights = {
+      default = menu_hl,
+      selected = selected_hl,
+      accent = accent_hl,
+      selected_accent = sel_accent_hl,
+    },
+  }),
+}))