import React, { Children, isValidElement, cloneElement } from 'react';

const Child = ({ doSomething, value }) => (
  
 doSomething(value)}>Click Me
);

function Parent({ children }) {
  function doSomething(value) {
    console.log('doSomething called by child with value:', value);
  }

  render() {
    const childrenWithProps = Children.map(children, child => {
      // Checking isValidElement is the safe way and avoids a TS error too.
      if (isValidElement(child)) {
        return cloneElement(child, { doSomething })
      }

      return child;
    });

    return 
{childrenWithProps}
  }
};

ReactDOM.render(
  
    
    
  ,
  document.getElementById('container')
);