title: Rxjs debounce on react text input component
body: <p>I have the following react component</p>
  
  <pre><code>&lt;input className={styles.incSrchTextBox} type="text" name="search" placeholder="Search.."
     onChange={this.onChange} /&gt;
  
  
  onChange(e) {
      const newText = e.target.value;
      console.log(newText);
      this.setState({ searchText: newText });
  }
  </code></pre>
  
  <p>How do I use debounce on rxjs on this?</p>