import { Fragment, markHTMLString, Renderer } from "../runtime/server/index.js";
const AstroJSX = "astro:jsx";
const Empty = Symbol("empty");
const toSlotName = (slotAttr) => slotAttr;
function isVNode(vnode) {
  return vnode && typeof vnode === "object" && vnode[AstroJSX];
}
function transformSlots(vnode) {
  if (typeof vnode.type === "string")
    return vnode;
  const slots = {};
  if (isVNode(vnode.props.children)) {
    const child = vnode.props.children;
    if (!isVNode(child))
      return;
    if (!("slot" in child.props))
      return;
    const name = toSlotName(child.props.slot);
    slots[name] = [child];
    slots[name]["$$slot"] = true;
    delete child.props.slot;
    delete vnode.props.children;
  }
  if (Array.isArray(vnode.props.children)) {
    vnode.props.children = vnode.props.children.map((child) => {
      if (!isVNode(child))
        return child;
      if (!("slot" in child.props))
        return child;
      const name = toSlotName(child.props.slot);
      if (Array.isArray(slots[name])) {
        slots[name].push(child);
      } else {
        slots[name] = [child];
        slots[name]["$$slot"] = true;
      }
      delete child.props.slot;
      return Empty;
    }).filter((v) => v !== Empty);
  }
  Object.assign(vnode.props, slots);
}
function markRawChildren(child) {
  if (typeof child === "string")
    return markHTMLString(child);
  if (Array.isArray(child))
    return child.map((c) => markRawChildren(c));
  return child;
}
function transformSetDirectives(vnode) {
  if (!("set:html" in vnode.props || "set:text" in vnode.props))
    return;
  if ("set:html" in vnode.props) {
    const children = markRawChildren(vnode.props["set:html"]);
    delete vnode.props["set:html"];
    Object.assign(vnode.props, { children });
    return;
  }
  if ("set:text" in vnode.props) {
    const children = vnode.props["set:text"];
    delete vnode.props["set:text"];
    Object.assign(vnode.props, { children });
    return;
  }
}
function createVNode(type, props) {
  const vnode = {
    [Renderer]: "astro:jsx",
    [AstroJSX]: true,
    type,
    props: props ?? {}
  };
  transformSetDirectives(vnode);
  transformSlots(vnode);
  return vnode;
}
export {
  AstroJSX,
  Fragment,
  isVNode,
  createVNode as jsx,
  createVNode as jsxDEV,
  createVNode as jsxs,
  transformSlots
};