Get new ref of your entity to achieve immutability (reduces bugs) and pass entity by ref when using onPush when working in Angular e.g.

immutable-typescript-example.ts

class updateEditorExample {

private queryEditorState: Readonly<QueryEditorState>;

static updateEditorState (editorState: Readonly<QueryEditorState>, sliceToUpdate: Partial<Readonly<QueryEditorState>>) {
    return { ...editorState, ...sliceToUpdate };
  }
  
  // Get new state:
  doSomthingGood(newText: string) {
       this.queryEditorState = updateEditorExample.updateEditorState(this.queryEditorState, { text: newText });
  }
  
  // Will throw compilation err:
  doSomthingBad(newText: string) {
       this.queryEditorState.text = newText;
  }
  
}