index.jsx

function callWithEventValue(fn) {
  
  return comp(fn, lenseTo('target', 'value'));
}

class SomeComponent extends React.Component {
  render() {
    return (
      <div>
        //...
        <input type="text" onChange={ callWithValue(this.props.onChange) } />
        // ...
      </div>
    );
  }
}