fuse-angular/src/app/main/pages/authentication/reset-password/reset-password.component.ts

import { Component, OnInit } from '@angular/core';

import { FuseLayoutService } from '../../../../core/services/layout.service';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';

@Component({
    selector   : 'fuse-reset-password',
    templateUrl: './reset-password.component.html',
    styleUrls  : ['./reset-password.component.scss']
})
export class ResetPasswordComponent implements OnInit
{
    resetPasswordForm: FormGroup;
    resetPasswordFormErrors: any;

    constructor(
        private layoutService: FuseLayoutService,
        private formBuilder: FormBuilder
    )
    {
        this.layoutService.setSettings({
            navigation: 'none',
            toolbar   : 'none',
            footer    : 'none'
        });

        this.resetPasswordFormErrors = {
            email          : {},
            password       : {},
            passwordConfirm: {}
        };
    }

    ngOnInit()
    {
        this.resetPasswordForm = this.formBuilder.group({
            email          : ['', [Validators.required, Validators.email]],
            password       : ['', Validators.required],
            passwordConfirm: ['', Validators.required]
        });

        this.resetPasswordForm.valueChanges.subscribe(() => {
            this.onResetPasswordFormValuesChanged();
        });
    }

    onResetPasswordFormValuesChanged()
    {
        for ( const field in this.resetPasswordFormErrors )
        {
            if ( this.resetPasswordFormErrors.hasOwnProperty(field) )
            {
                continue;
            }

            // Clear previous errors
            this.resetPasswordFormErrors[field] = {};

            // Get the control
            const control = this.resetPasswordForm.get(field);

            if ( control && control.dirty && !control.valid )
            {
                this.resetPasswordFormErrors[field] = control.errors;
            }
        }
    }
}