fix(sequelize): exclude undefined values from where filter

Signed-off-by: KalleV <kvirtaneva@gmail.com>

extensions/sequelize/src/__tests__/integration/repository.integration.ts

@@ -179,6 +179,27 @@ describe('Sequelize CRUD Repository (integration)', () => {
       expect(afterResponse).to.not.have.property('password');
     });
 
+    it('[find] excludes undefined props from where filter', async () => {
+      const user = getDummyUser();
+      await userRepo.create({
+        name: user.name,
+        address: user.address as AnyObject,
+        email: user.email,
+        password: user.password,
+        dob: user.dob,
+        active: user.active,
+      });
+
+      const userData = await userRepo.find({
+        where: {name: user.name, email: user.email, password: undefined},
+      });
+
+      expect(userData.length).to.be.eql(1);
+      expect(userData[0]).to.have.property('name', user.name);
+      expect(userData[0]).to.have.property('email', user.email);
+      expect(userData[0]).to.have.property('password', user.password);
+    });
+
     it('[findById] allows accessing hidden props before serializing', async () => {
       const user = getDummyUser();
       const createdUser = await userRepo.create({

extensions/sequelize/src/sequelize/sequelize.repository.base.ts

@@ -621,6 +621,11 @@ export class SequelizeCrudRepository<
         where[columnName as keyof typeof where]
       );
 
+      // Ignoring undefined values for backwards compatibility with Loopback Juggler ORM API
+      if (typeof conditionValue === 'undefined') {
+        continue;
+      }
+
       if (isTruelyObject(conditionValue)) {
         sequelizeWhere[columnName] = {};