Function createFunctionalComponent

static/vuejs/vue.js:3059–3091

(
  Ctor,
  propsData,
  data,
  context,
  children
)

}

function createFunctionalComponent (
  Ctor,
  propsData,
  data,
  context,
  children
) {
  var props = {};
  var propOptions = Ctor.options.props;
  if (propOptions) {
    for (var key in propOptions) {
      props[key] = validateProp(key, propOptions, propsData);
    }
  }
  // ensure the createElement function in functional components
  // gets a unique context - this is necessary for correct named slot check
  var _context = Object.create(context);
  var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };
  var vnode = Ctor.options.render.call(null, h, {
    props: props,
    data: data,
    parent: context,
    children: children,
    slots: function () { return resolveSlots(children, context); }
  });
  if (vnode instanceof VNode) {
    vnode.functionalContext = context;
    if (data.slot) {
      (vnode.data || (vnode.data = {})).slot = data.slot;
    }
  }
  return vnode
}

function createComponentInstanceForVnode (
  vnode, // we know it's MountedComponentVNode but flow doesn't