Function prepend

src/useFieldArray.ts:201–223

(
    value:
      | Partial<FieldArray<TFieldValues, TFieldArrayName>>
      | Partial<FieldArray<TFieldValues, TFieldArrayName>>[],
    options?: FieldArrayMethodProps,
  )

  };

  const prepend = (
    value:
      | Partial<FieldArray<TFieldValues, TFieldArrayName>>
      | Partial<FieldArray<TFieldValues, TFieldArrayName>>[],
    options?: FieldArrayMethodProps,
  ) => {
    if (disabled) {
      return;
    }

    const prependValue = convertToArrayPayload(cloneObject(value));
    const updatedFieldArrayValues = prependAt(
      control._getFieldArray(name),
      prependValue,
    );
    control._names.focus = getFocusFieldName(name, 0, options);
    ids.current = prependAt(ids.current, prependValue.map(generateId));
    updateValues(updatedFieldArrayValues);
    setFields(updatedFieldArrayValues);
    control._setFieldArray(name, updatedFieldArrayValues, prependAt, {
      argA: fillEmptyArray(value),
    });
  };

  const remove = (index?: number | number[]) => {
    if (disabled) {