grafana/public/app/plugins/datasource/cloudwatch/components/MetricsQueryEditor/Alias.tsx

import { debounce } from 'lodash';
import React, { FunctionComponent, useState } from 'react';

import { Input } from '@grafana/ui';

export interface Props {
  onChange: (alias: any) => void;
  value: string;
  id?: string;
}

export const Alias: FunctionComponent<Props> = ({ value = '', onChange, id }) => {
  const [alias, setAlias] = useState(value);

  const propagateOnChange = debounce(onChange, 1500);

  onChange = (e: any) => {
    setAlias(e.target.value);
    propagateOnChange(e.target.value);
  };

  return <Input id={id} type="text" value={alias} onChange={onChange} aria-label="Optional alias" />;
};