DeprecatedOption must mirror regular option

src/idom/_option.py

@@ -93,31 +93,26 @@ def __repr__(self) -> str:
 
 
 class DeprecatedOption(Option[_O]):  # pragma: no cover
-    def __init__(self, new_name: str | None, *args: Any, **kwargs: Any) -> None:
-        self.new_name = new_name
-        with warnings.catch_warnings():
-            warnings.simplefilter("ignore", DeprecationWarning)
-            super().__init__(*args, **kwargs)
+    def __init__(self, new_opt: Option | None, name: str) -> None:
+        # copy over attrs
+        attrs = new_opt.__dict__.copy()
+        attrs.pop("_current", None)
+        self.__dict__.update(new_opt.__dict__)
+        # then set the ones needed here
+        self._name = name
+        self._new_opt = new_opt
 
     @property
-    def current(self) -> _O:
-        if self.new_name is None:
+    def _current(self) -> _O:
+        if self._new_opt.name is None:
             warnings.warn(f"{self.name!r} has been removed", DeprecationWarning)
         else:
             warnings.warn(
-                f"{self.name!r} has been renamed to {self.new_name!r}",
+                f"{self.name!r} has been renamed to {self._new_opt.name!r}",
                 DeprecationWarning,
             )
-        return super().current
+        return self._new_opt.current
 
-    @current.setter
-    def current(self, new: _O) -> None:
-        if self.new_name is None:
-            warnings.warn(f"{self.name!r} has been removed", DeprecationWarning)
-        else:
-            warnings.warn(
-                f"{self.name!r} has been renamed to {self.new_name!r}",
-                DeprecationWarning,
-            )
-        self.set_current(new)
-        return None
+    @_current.setter
+    def _current(self, new: _O) -> None:
+        self._new_opt.current = new

src/idom/config.py

@@ -44,14 +44,6 @@
 # Because these web modules will be linked dynamically at runtime this can be temporary
 _DEFAULT_WEB_MODULES_DIR = TemporaryDirectory()
 
-IDOM_WED_MODULES_DIR: _Option[Path] = _DeprecatedOption(
-    new_name="IDOM_WEB_MODULES_DIR",
-    name="IDOM_WED_MODULES_DIR",
-    default=Path(_DEFAULT_WEB_MODULES_DIR.name),
-    validator=Path,
-)
-"""This has been renamed to :data:`IDOM_WEB_MODULES_DIR`"""
-
 IDOM_WEB_MODULES_DIR = _Option(
     "IDOM_WEB_MODULES_DIR",
     default=Path(_DEFAULT_WEB_MODULES_DIR.name),
@@ -64,6 +56,12 @@
 set of publically available APIs for working with the client.
 """
 
+IDOM_WED_MODULES_DIR: _Option[Path] = _DeprecatedOption(
+    new_opt=IDOM_WEB_MODULES_DIR,
+    name="IDOM_WED_MODULES_DIR",
+)
+"""This has been renamed to :data:`IDOM_WEB_MODULES_DIR`"""
+
 IDOM_FEATURE_INDEX_AS_DEFAULT_KEY = _Option(
     "IDOM_FEATURE_INDEX_AS_DEFAULT_KEY",
     default=True,