@angular/forms/signals

NgValidationError

상수

안정화v22.0부터

The base class for all built-in, non-custom errors. This class can be used to check if an error is one of the standard kinds, allowing you to switch on the kind to further narrow the type.

API

    
      const NgValidationError: abstract new () => NgValidationError;

사용 시 참고사항

const f = form(...);
for (const e of form().errors()) {
  if (e instanceof NgValidationError) {
    switch(e.kind) {
      case 'required':
        console.log('This is required!');
        break;
      case 'min':
        console.log(`Must be at least ${e.min}`);
        break;
      ...
    }
  }
}