fix: merge with rename-produceNotifier

packages/notifier/src/notifier.js

@@ -77,7 +77,7 @@ const supportLegacy = true;
 // presence vs the absence of it, which we cannot do with the optional argument
 // syntax. Rather we use the arity of the arguments array.
 //
-// If no initial state is provided to `produceNotifier`, then it starts without
+// If no initial state is provided to `makeNotifierKit`, then it starts without
 // an initial state. Its initial state will instead be the state of the first
 // update.
 export const makeNotifierKit = (...args) => {
@@ -96,11 +96,6 @@ export const makeNotifierKit = (...args) => {
           done: final(),
         }
       : {};
-  if (supportLegacy && args.length === 0) {
-    // To accommodate old clients, for now we treat no initial state
-    // argument as if the argument defaults to undefined, as it used to.
-    args = [undefined];
-  }
 
   if (args.length >= 1) {
     // start as hasState() && !final()
@@ -181,6 +176,8 @@ export const makeNotifierKit = (...args) => {
   return harden({ notifier, updater });
 };
 
-// Deprecated. TODO remove
-
-export { makeNotifierKit as produceNotifier };
+// Deprecated. TODO remove once no clients need it.
+// Unlike makeNotifierKit, produceIssuerKit always produces
+// a notifier with an initial state, which defaults to undefined.
+export const produceNotifier = (initialState = undefined) =>
+  makeNotifierKit(initialState);