How to use

bind

function

in

DebouncedFunc

constructor(props) {
  super(props);

  this.schema = yup.object();
  this.state = {
   formData: null,
   changed: false,
  };

  this.changeForm = this.changeForm.bind(this);
  this.preSubmit = this.preSubmit.bind(this);
  this.onInvalidSubmit = this.onInvalidSubmit.bind(this);
  this.debouncedFormChangeHandler = debounce(this.handleFormChange, VALIDATION_DELAY).bind(this);
 }

constructor(props) {
    super(props);
    this.listener = throttle(this.scrollListener, 200).bind(this);
  }