Is there a way to require an input based on another value ? I need to add an input which is required only if another input is not filled (and vice versa) using the model API (not the @Input decorator). We added this behavior by adding a condition in ngOnInit and by throwing an error if the two inputs are undefined, but I'm looking for a "better" and "clean" way to implement it. If angular has a built-in functionality for this kind of setup ? Thanks for your help ! Continue reading...
