ngx-admin/src/app/@core/utils/ripple.service.ts

import { Injectable } from '@angular/core';
import { RippleGlobalOptions } from '@angular/material/core';

@Injectable({providedIn: 'root'})
export class RippleService implements RippleGlobalOptions {
  public disabled: boolean = false;

  public toggle(enabled: boolean): void {
    this.disabled = !enabled;
  }
}