feat(auth): implement User#unlink

gustavohenke · Jun 30, 2020 · edf0d6d · edf0d6d
1 parent 27a05c0
commit edf0d6d
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Showing 2 changed files with 29 additions and 2 deletions.
diff --git a/auth/user.test.ts b/auth/user.test.ts
@@ -94,3 +94,21 @@ describe("#updateProfile()", () => {
     });
   });
 });
+
+describe("#unlink()", () => {
+  const providerId = firebase.auth.GoogleAuthProvider.PROVIDER_ID;
+
+  it("unlinks and updates providerData", async () => {
+    const user = new User({ uid: "1", providerData: [new UserInfo("1", providerId, {})] }, store);
+    await user.unlink(providerId);
+    expect(user.providerData).toHaveLength(0);
+    expect(store.update).toHaveBeenCalledWith(user.uid, {
+      providerData: user.providerData,
+    });
+  });
+
+  it("throws if provider isn't linked", () => {
+    const user = new User({ uid: "1" }, store);
+    return expect(user.unlink(providerId)).rejects.toThrowError("auth/no-such-provider");
+  });
+});
diff --git a/auth/user.ts b/auth/user.ts
@@ -162,8 +162,17 @@ export class User implements firebase.User, UserSchema {
     return { ...self };
   }
 
-  unlink(providerId: string): Promise<any> {
-    throw new Error("Method not implemented.");
+  async unlink(providerId: string): Promise<User> {
+    const index = this.providerData.findIndex((info) => info.providerId === providerId);
+    if (index === -1) {
+      throw new Error("auth/no-such-provider");
+    }
+
+    this.providerData.splice(index, 1);
+    this.store.update(this.uid, {
+      providerData: this.providerData,
+    });
+    return this;
   }
 
   updateEmail(newEmail: string): Promise<void> {