refcompat.js

var oldRefs = parseInt(React.version.split('.')[0], 10) < 14;

function refCompatibilitySet (refName) {
    if (oldRefs) {
        return refName;
    }
    return function (ref) {
        this['__ref' + refName] = ref;
    };
}

function refCompatibilityGet (component, refName) {
    if (oldRefs) {
        return component.refs[refName] && component.refs[refName].getDOMNode();
    }
    return component['__ref' + refName];
}