fixed filetype icon bug

lua/lualine.lua

@@ -102,11 +102,18 @@ local function statusline(is_focused)
   return table.concat(status)
 end
 
+function M.set_active_statusline()
+  vim.wo.statusline = statusline(1)
+end
+
+function M.set_inactive_statusline()
+  vim.wo.statusline = statusline()
+end
+
 local function exec_autocommands()
-  _G.statusline = statusline
   _G.set_lualine_theme = set_lualine_theme
-  vim.cmd([[autocmd WinEnter,BufEnter * setlocal statusline=%!v:lua.statusline(1)]])
+  vim.cmd([[autocmd WinEnter,BufEnter * lua require('lualine').set_active_statusline()]])
-  vim.cmd([[autocmd WinLeave,BufLeave * setlocal statusline=%!v:lua.statusline()]])
+  vim.cmd([[autocmd WinLeave,BufLeave * lua require('lualine').set_inactive_statusline()]])
   vim.cmd([[autocmd ColorScheme * call v:lua.set_lualine_theme()]])
 end
 

lua/lualine/components/branch.lua

@@ -26,7 +26,7 @@ local function branch()
     end
     return git_branch
   end
-  ok = (vim.fn.exists('*WebDevIconsGetFileTypeSymbol'))
+  ok = vim.fn.exists("*WebDevIconsGetFileTypeSymbol")
   if ok ~= 0 then
     local icon =  ''
     return icon .. ' ' .. git_branch

lua/lualine/components/filetype.lua

@@ -10,9 +10,9 @@ local function filetype()
       end
     return data
     end
-    ok = (vim.fn.exists('*WebDevIconsGetdataSymbol'))
+    ok = vim.fn.exists("*WebDevIconsGetFileTypeSymbol")
     if ok ~= 0 then
-      local icon = vim.call('WebDevIconsGetdataSymbol')
+      local icon = vim.fn.WebDevIconsGetFileTypeSymbol()
       return icon .. ' ' .. data
     end
     return data