Function mapChildren

code/composition/public/app.js:19378–19385

* Maps children that are typically specified as `props.children`. * * See https://reactjs.org/docs/react-api.html#react.children.map * * The provided mapFunction(child, key, index) will be called for each * leaf child. * * @param {?*} children Children tree container. * @param {function(*, i

(children, func, context)

 * @return {object} Object containing the ordered map of results.
 */
function mapChildren(children, func, context) {
  if (children == null) {
    return children;
  }
  var result = [];
  mapIntoWithKeyPrefixInternal(children, result, null, func, context);
  return result;
}

/**
 * Count the number of children that are typically specified as