refactor(icons): move devicons stuff to util.mini

lua/lazyvim/util/mini.lua

@@ -148,4 +148,35 @@ function M.pairs(opts)
   end
 end
 
+function M.devicons()
+  package.preload["nvim-web-devicons"] = function()
+    local Icons = require("mini.icons")
+    local ret = {}
+    package.loaded["nvim-web-devicons"] = ret
+    Icons.mock_nvim_web_devicons()
+
+    local function get(cat)
+      local all = {}
+      for _, name in ipairs(Icons.list(cat)) do
+        local icon, color = ret.get_icon_color(cat == "file" and name, cat == "extension" and name)
+        all[name] = { icon = icon, color = color }
+      end
+      return all
+    end
+
+    ret.get_icons_by_extension = function()
+      return get("extension")
+    end
+
+    ret.get_icons_by_filename = function()
+      return get("file")
+    end
+
+    ret.get_icons = function()
+      return vim.tbl_extend("force", get("file"), get("extension"))
+    end
+    return ret
+  end
+end
+
 return M