// vnode flags
export const enum VNodeFlags {
  ELEMENT_HTML = 1,
  ELEMENT_SVG = 1 << 1,
  ELEMENT = ELEMENT_HTML | ELEMENT_SVG,

  COMPONENT_UNKNOWN = 1 << 2,
  COMPONENT_STATEFUL = 1 << 3,
  COMPONENT_FUNCTIONAL = 1 << 4,
  COMPONENT_ASYNC = 1 << 5,
  COMPONENT = COMPONENT_UNKNOWN |
    COMPONENT_STATEFUL |
    COMPONENT_FUNCTIONAL |
    COMPONENT_ASYNC,

  TEXT = 1 << 6,
  FRAGMENT = 1 << 7,
  PORTAL = 1 << 8
}

export const enum ChildrenFlags {
  UNKNOWN_CHILDREN = 0,
  NO_CHILDREN = 1,
  SINGLE_VNODE = 1 << 1,
  KEYED_VNODES = 1 << 2,
  NONE_KEYED_VNODES = 1 << 3,
  STABLE_SLOTS = 1 << 4,
  DYNAMIC_SLOTS = 1 << 5,
  HAS_SLOTS = STABLE_SLOTS | DYNAMIC_SLOTS,
  MULTIPLE_VNODES = KEYED_VNODES | NONE_KEYED_VNODES
}