[PM-16790] introduce extension service (#13590)

libs/common/src/tools/state/classified-format.spec.ts

@@ -0,0 +1,27 @@
+import { isClassifiedFormat } from "./classified-format";
+
+describe("isClassifiedFormat", () => {
+  it("returns `false` when the argument is `null`", () => {
+    expect(isClassifiedFormat(null)).toEqual(false);
+  });
+
+  it.each([
+    [{ id: true, secret: "" }],
+    [{ secret: "", disclosed: {} }],
+    [{ id: true, disclosed: {} }],
+  ])("returns `false` when the argument is missing a required member (=%p).", (value) => {
+    expect(isClassifiedFormat(value)).toEqual(false);
+  });
+
+  it("returns `false` when 'secret' is not a string", () => {
+    expect(isClassifiedFormat({ id: true, secret: false, disclosed: {} })).toEqual(false);
+  });
+
+  it("returns `false` when 'disclosed' is not an object", () => {
+    expect(isClassifiedFormat({ id: true, secret: "", disclosed: false })).toEqual(false);
+  });
+
+  it("returns `true` when the argument has a `secret`, `disclosed`, and `id`.", () => {
+    expect(isClassifiedFormat({ id: true, secret: "", disclosed: {} })).toEqual(true);
+  });
+});

libs/common/src/tools/state/classified-format.ts

@@ -21,5 +21,12 @@ export type ClassifiedFormat<Id, Disclosed> = {
 export function isClassifiedFormat<Id, Disclosed>(
   value: any,
 ): value is ClassifiedFormat<Id, Disclosed> {
-  return "id" in value && "secret" in value && "disclosed" in value;
+  return (
+    !!value &&
+    "id" in value &&
+    "secret" in value &&
+    "disclosed" in value &&
+    typeof value.secret === "string" &&
+    typeof value.disclosed === "object"
+  );
 }

libs/common/src/tools/state/user-state-subject.ts

@@ -523,6 +523,7 @@ export class UserStateSubject<
 
   private onError(value: any) {
     if (!this.isDisposed) {
+      this.log.debug(value, "forwarding error to subscribers");
       this.output.error(value);
     }