fix(icons): implement more devicon functions

lua/lazyvim/plugins/ui.lua

@@ -309,10 +309,32 @@ return {
     opts = {},
     init = function()
       package.preload["nvim-web-devicons"] = function()
-        -- needed since it will be false when loading and mini will fail
-        package.loaded["nvim-web-devicons"] = {}
-        require("mini.icons").mock_nvim_web_devicons()
-        return package.loaded["nvim-web-devicons"]
+        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,
   },