/Javascript/AngularJS/Get all form errors angular

Get all form errors angular

getAllErrors(form: FormGroup | FormArray): { [key: string]: any; } | null {
    let hasError = false;
    const result = Object.keys(form.controls).reduce((acc, key) => {
        const control = form.get(key);
        const errors = (control instanceof FormGroup || control instanceof FormArray)
            ? this.getAllErrors(control)
            : control.errors;
        if (errors) {
            acc[key] = errors;
            hasError = true;
        }
        return acc;
    }, {} as { [key: string]: any; });
    return hasError ? result : null;
}

Similar codes

1 vote167 views1 answer
Ngrok angular 8
Javascript AngularJS
5 votes183 views3 answers
Angular refresh component on button click
Javascript AngularJS
3 votes174 views2 answers
How to set default route in angular
Javascript AngularJS
2 votes190 views1 answer
Use promise in angular 8
Javascript AngularJS
0 vote196 views1 answer
How to avoid inheritance in angular
Javascript AngularJS
0 vote161 views1 answer
Angular property binding
Javascript AngularJS
0 vote165 views1 answer
Shadow class angular
Javascript AngularJS
1 vote174 views1 answer
Iterate over enum angular ngfor
Javascript AngularJS
2 votes168 views1 answer
Angular rebuild
Javascript AngularJS
35 votes341 views6 answers
Angular router
Javascript AngularJS