Wpt editor: we can add waypoints (at last !)

src/workers/cached-signals.ts

@@ -49,6 +49,19 @@ export const peekCachedSignal = (params: any) => {
   return signal;
 };
 
+export const cachedSignalValue = async (params: any) => {
+  const cachedSignal = cache.get({ cacheId: 'signals', key: params.id });
+  console.log({ caller: 'cachedSignalValue', params, cachedSignal });
+  if (cachedSignal !== null) {
+    const value = cachedSignal();
+    if (value != undefined) {
+      return value;
+    }
+  }
+  const value = await dispatch({ action: params.method, params });
+  return value;
+};
+
 export const destroyCachedSignal = (params: any) => {
   dispatch({
     action: 'cancelWatch',