Function traverseAllChildren

docs/external/js/react.development.js:1173–1179

* Traverses children that are typically specified as `props.children`, but * might also be specified through attributes: * * - `traverseAllChildren(this.props.children, ...)` * - `traverseAllChildren(this.props.leftPanelChildren, ...)` * * The `traverseContext` is an optional argum

(children, callback, traverseContext)

  function traverseAllChildren(children, callback, traverseContext) {
    if (children == null) {
      return 0;
    }

    return traverseAllChildrenImpl(children, '', callback, traverseContext);
  }
  /**
   * Generate a key string that identifies a component within a set.
   *