Function assignProperty has a Cognitive Complexity of 38 (exceeds 7 allowed). Consider refactoring.

Open

  private static assignProperty<T extends object, C extends boolean>(entity: T, propName: string, props: Dictionary<EntityProperty<T>>, data: Dictionary, options: InternalAssignOptions<C>) {
    if (options.onlyProperties && !(propName in props)) {
      return;
    }

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Function assignCollection has a Cognitive Complexity of 16 (exceeds 7 allowed). Consider refactoring.

Open

  private static assignCollection<T extends object, U extends object = AnyEntity, C extends boolean = false>(entity: T, collection: Collection<U>, value: unknown, prop: EntityProperty, em: EntityManager | undefined, options: AssignOptions<C>): void {
    const invalid: any[] = [];
    const items = Utils.asArray(value).map((item: any, idx) => {
      // try to propagate missing owning side reference to the payload first
      const prop2 = prop.targetMeta?.properties[prop.mappedBy];

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Avoid deeply nested control flow statements.

Open

            if (wrappedChild.__managed && wrappedChild.isInitialized() && sameTarget) {
              return EntityAssigner.assign(ref, value as any, options);
            }

Function assignEmbeddable has a Cognitive Complexity of 10 (exceeds 7 allowed). Consider refactoring.

Open

  private static assignEmbeddable<T extends object, C extends boolean>(entity: T, value: any, prop: EntityProperty<T>, em: EntityManager | undefined, options: InternalAssignOptions<C>): void {
    const propName = prop.embedded ? prop.embedded[1] : prop.name;

    if (value == null) {
      entity[propName] = value;

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Avoid too many return statements within this function.

Open

      return entity[prop.name] = validator.validateProperty(prop, value, entity);

Avoid too many return statements within this function.

Open

      return EntityAssigner.assignEmbeddable(entity, value, prop, options.em, options);