Fix for naked attributes

Author: bcardarella

lib/live_view_native/template/parser.ex

@@ -363,8 +363,9 @@ defmodule LiveViewNative.Template.Parser do
     {:error, "unexpected end of file while parsing attribute name", [start: cursor, end: cursor]}
   end
 
-  defp parse_attribute_name(<<char::utf8, _document::binary>>, cursor, _buffer, _args) do
-    {:error, "invalid character in attribute name: #{[char]}", [start: cursor, end: cursor]}
+  defp parse_attribute_name(<<char::utf8, _document::binary>>, cursor, name_buffer, _args) do
+    name = List.to_string(name_buffer)
+    {:error, "invalid character: #{<<char::utf8>>} in attribute name: #{name}", [start: cursor, end: cursor]}
   end
 
   defp parse_attribute_assignment(<<char::utf8, document::binary>>, cursor, name, args) when char in @whitespace do
@@ -379,6 +380,14 @@ defmodule LiveViewNative.Template.Parser do
     {:boolean, {document, name, cursor}}
   end
 
+  defp parse_attribute_assignment(<<"/>"::utf8, _document::binary>> = document, cursor, name, _args) do
+    {:boolean, {document, name, cursor}}
+  end
+
+  defp parse_attribute_assignment(<<">"::utf8, _document::binary>> = document, cursor, name, _args) do
+    {:boolean, {document, name, cursor}}
+  end
+
   defp parse_attribute_assignment(<<char::utf8, _document::binary>>, cursor, name, _args) do
     {:error, "invalid character: #{<<char::utf8>>} in attribute name: #{name}", [start: cursor, end: cursor]}
   end

test/live_view_native/template/parser_test.exs

@@ -59,11 +59,15 @@ defmodule LiveViewNative.Template.ParserTest do
   test "will parse boolean attribute" do
     {:ok, nodes} = """
     <FooBar a="1" b c="true"/>
+    <Baz a></Baz>
+    <Qux b/>
     """
     |> parse_document()
 
     assert nodes == [
-      {"FooBar", [{"a", "1"}, {"b", "b"}, {"c", "true"}], []}
+      {"FooBar", [{"a", "1"}, {"b", "b"}, {"c", "true"}], []},
+      {"Baz", [{"a", "a"}], []},
+      {"Qux", [{"b", "b"}], []}
     ]
   end