fix: filename component

README.md

@@ -257,11 +257,12 @@ lualine.sections.lualine_b = {
   {
     'filename',
     full_name = true,
-    relative = true,
+    shorten = true,
     format = function(name)
       -- Capitalize first charecter of filename to capital.
       local path, fname = name:match('(.*/)(.*)')
-      rerurn path .. fname[1, 1]:upper() .. fname[2, #fname]
+				if not path then path = ''; fname = name end
+        return path .. fname:sub(1, 1):upper() .. fname:sub(2, #fname)
     end
   }
 }

doc/lualine.txt

@@ -293,11 +293,12 @@ Example:~
     {
       'filename',
       full_name = true,
-      relative = true,
+      shorten = true,
       format = function(name)
         -- Capitalize first charecter of filename to capital.
         local path, fname = name:match('(.*/)(.*)')
-        rerurn path .. fname[1, 1]:upper() .. fname[2, #fname]
+	if not path then path = ''; fname = name end
+        return path .. fname:sub(1, 1):upper() .. fname:sub(2, #fname)
       end
     }
   }

lua/lualine/components/filename.lua

@@ -10,12 +10,12 @@ local function filename(options)
 
   return function()
     local data
-    if shorten then
+    if not full_path then
       data = vim.fn.expand('%:t')
-    elseif full_path then
-      data = vim.fn.expand('%:p')
-    else
+    elseif shorten then
       data = vim.fn.expand('%')
+    else
+      data = vim.fn.expand('%:p')
     end
     if data == '' then
       data = '[No Name]'