onItemClick(itemId){
	....
}

render() {
	return this.props.largeList.map(item => <SomePureComponent key={item.id}
		onClick={(id) => this.onItemClick(id)}
	/>);
}
....

class SomePureComponent extends React.Component {

shouldComponentUpdate(newProps){
	const {onClick, ..._newProps} = newProps;
	const {onClick, ..._currentProps} = this.props;
	return shallowCompare(_newProps, _currentProps);
}
...