Fixes for typedoc ~0.22.11 and strange self-referencing variable issue

.gitignore

@@ -19,3 +19,5 @@ sphinx_js.egg-info/
 .vscode
 .DS_Store
 venv
+# Pyenv
+.python-version

sphinx_js/typedoc.py

@@ -194,7 +194,10 @@ def _convert_node(self, node) -> Tuple[TopLevel, List[dict]]:
             # many attr of Functions.
             sigs = node.get('signatures')
             first_sig = sigs[0]  # Should always have at least one
-            first_sig['sources'] = node['sources']
+            parent = node
+            while 'sources' not in node and '__parent' in node:
+                parent = node['__parent']
+            first_sig['sources'] = parent['sources']
             return self._convert_node(first_sig)
         elif kind in ['Call signature', 'Constructor signature']:
             # This is the real meat of a function, method, or constructor.
@@ -244,8 +247,12 @@ def _type_name(self, type):
         type_of_type = type.get('type')
 
         if type_of_type == 'reference' and type.get('id'):
-            node = self._index[type['id']]
-            name = node['name']
+            try:
+                node = self._index[type['id']]
+                name = node['name']
+            except KeyError:
+                # Try to get the name directly from the type, in one last attempt.
+                name = type['name']
         elif type_of_type == 'unknown':
             if re.match(r'-?\d*(\.\d+)?', type['name']):  # It's a number.
                 # TypeDoc apparently sticks numeric constants' values into the
@@ -275,10 +282,15 @@ def _type_name(self, type):
             if constraint is not None:
                 name += ' extends ' + self._type_name(constraint)
                 # e.g. K += extends + keyof T
+        elif type_of_type == 'literal':
+            if type['value'] is None:
+                name = 'null'
+            else:
+                name = repr(type['value'])
         elif type_of_type == 'reflection':
             name = '<TODO: reflection>'
-            # test_generic_member() (currently skipped) tests this.
         else:
+            # test_generic_member() (currently skipped) tests this.
             name = '<TODO: other type>'
 
         type_args = type.get('typeArguments')
@@ -328,6 +340,8 @@ def typedoc_output(abs_source_paths, sphinx_conf_dir, config_path):
     with NamedTemporaryFile(mode='w+b') as temp:
         command.add('--json', temp.name, *abs_source_paths)
         try:
+            from pprint import pprint
+            pprint(command.make())
             subprocess.call(command.make())
         except OSError as exc:
             if exc.errno == ENOENT: