Add option to make types bold

This makes xrefs look a bit better because sphinx seems to automatically render
them in bold

sphinx_js/__init__.py

@@ -142,6 +142,7 @@ def setup(app: Sphinx) -> None:
     )
     app.add_config_value("jsdoc_config_path", default=None, rebuild="env")
     app.add_config_value("ts_type_xref_formatter", None, "env")
+    app.add_config_value("ts_type_bold", False, "env")
     app.add_config_value("ts_should_destructure_arg", None, "env")
     app.add_config_value("ts_post_convert", None, "env")
 

sphinx_js/renderers.py

@@ -56,6 +56,7 @@ class JsRenderer:
     _renderer_type: Literal["function", "class", "attribute"]
     _template: str
     _type_xref_formatter: Callable[[TypeXRef], str]
+    _type_text_formatter: Callable[[str], str]
     _partial_path: list[str]
     _explicit_formal_params: str
     _content: list[str]
@@ -74,7 +75,18 @@ def _set_type_xref_formatter(
         def default_type_xref_formatter(xref: TypeXRef) -> str:
             return xref.name
 
-        self._type_xref_formatter = default_type_xref_formatter
+
+    def _set_type_text_formatter(
+        self, formatter: Callable[[Config, str], str] | None
+    ) -> None:
+        if formatter:
+            self._type_text_formatter = partial(formatter, self._app.config)
+            return
+
+        def default_type_text_formatter(text: str) -> str:
+            return text
+
+        self._type_text_formatter = default_type_text_formatter
 
     def __init__(
         self,
@@ -91,6 +103,11 @@ def __init__(
         self._directive = directive
         self._app = app
         self._set_type_xref_formatter(app.config.ts_type_xref_formatter)
+        if app.config.ts_type_bold:
+            self._set_type_text_formatter(lambda conf, text: "**" + text + "**")
+        else:
+            self._set_type_text_formatter(None)
+
 
         # content, arguments, options, app: all need to be accessible to
         # template_vars, so we bring them in on construction and stow them away
@@ -301,6 +318,8 @@ def strs() -> Iterator[str]:
         while True:
             xref: list[TypeXRef] = []
             s = "".join(strs())
+            if s:
+                s = self._type_text_formatter(s)
             if escape:
                 s = rst.escape(s)
             if s: