import { PassThrough } from 'node:stream';
import { options, h, Fragment } from 'preact';

const UNSAFE_NAME = /[\s\n\\/='"\0<>]/;
const NAMESPACE_REPLACE_REGEX = /^(xlink|xmlns|xml)([A-Z])/;
const HTML_LOWER_CASE = /^(?:accessK|auto[A-Z]|cell|ch|col|cont|cross|dateT|encT|form[A-Z]|frame|hrefL|inputM|maxL|minL|noV|playsI|popoverT|readO|rowS|src[A-Z]|tabI|useM|item[A-Z])/;
const SVG_CAMEL_CASE = /^ac|^ali|arabic|basel|cap|clipPath$|clipRule$|color|dominant|enable|fill|flood|font|glyph[^R]|horiz|image|letter|lighting|marker[^WUH]|overline|panose|pointe|paint|rendering|shape|stop|strikethrough|stroke|text[^L]|transform|underline|unicode|units|^v[^i]|^w|^xH/; // Boolean DOM properties that translate to enumerated ('true'/'false') attributes

const HTML_ENUMERATED = new Set(['draggable', 'spellcheck']); // DOM properties that should NOT have "px" added when numeric

const ENCODED_ENTITIES = /["&<]/;
/** @param {string} str */

function encodeEntities(str) {
  // Skip all work for strings with no entities needing encoding:
  if (str.length === 0 || ENCODED_ENTITIES.test(str) === false) return str;
  let last = 0,
      i = 0,
      out = '',
      ch = ''; // Seek forward in str until the next entity char:

  for (; i < str.length; i++) {
    switch (str.charCodeAt(i)) {
      case 34:
        ch = '&quot;';
        break;

      case 38:
        ch = '&amp;';
        break;

      case 60:
        ch = '&lt;';
        break;

      default:
        continue;
    } // Append skipped/buffered characters and the encoded entity:


    if (i !== last) out = out + str.slice(last, i);
    out = out + ch; // Start the next seek/buffer after the entity's offset:

    last = i + 1;
  }

  if (i !== last) out = out + str.slice(last, i);
  return out;
}
const JS_TO_CSS = {};
const IS_NON_DIMENSIONAL = new Set(['animation-iteration-count', 'border-image-outset', 'border-image-slice', 'border-image-width', 'box-flex', 'box-flex-group', 'box-ordinal-group', 'column-count', 'fill-opacity', 'flex', 'flex-grow', 'flex-negative', 'flex-order', 'flex-positive', 'flex-shrink', 'flood-opacity', 'font-weight', 'grid-column', 'grid-row', 'line-clamp', 'line-height', 'opacity', 'order', 'orphans', 'stop-opacity', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'tab-size', 'widows', 'z-index', 'zoom']);
const CSS_REGEX = /[A-Z]/g; // Convert an Object style to a CSSText string

function styleObjToCss(s) {
  let str = '';

  for (let prop in s) {
    let val = s[prop];

    if (val != null && val !== '') {
      const name = prop[0] == '-' ? prop : JS_TO_CSS[prop] || (JS_TO_CSS[prop] = prop.replace(CSS_REGEX, '-$&').toLowerCase());
      let suffix = ';';

      if (typeof val === 'number' && // Exclude custom-attributes
      !name.startsWith('--') && !IS_NON_DIMENSIONAL.has(name)) {
        suffix = 'px;';
      }

      str = str + name + ':' + val + suffix;
    }
  }

  return str || undefined;
}

function markAsDirty() {
  this.__d = true;
}

function createComponent(vnode, context) {
  return {
    __v: vnode,
    context,
    props: vnode.props,
    // silently drop state updates
    setState: markAsDirty,
    forceUpdate: markAsDirty,
    __d: true,
    // hooks
    __h: new Array(0)
  };
} // Necessary for createContext api. Setting this property will pass
/**
 * @template T
 */

class Deferred {
  constructor() {
    // eslint-disable-next-line lines-around-comment

    /** @type {Promise<T>} */
    this.promise = new Promise((resolve, reject) => {
      this.resolve = resolve;
      this.reject = reject;
    });
  }

}

// Options hooks
const DIFF = '__b';
const RENDER = '__r';
const DIFFED = 'diffed';
const COMMIT = '__c';
const SKIP_EFFECTS = '__s';
const CATCH_ERROR = '__e'; // VNode properties

const COMPONENT = '__c';
const CHILDREN = '__k';
const PARENT = '__';

const VNODE = '__v';
const DIRTY = '__d';
const NEXT_STATE = '__s';
const CHILD_DID_SUSPEND = '__c';

const EMPTY_OBJ = {};
const EMPTY_ARR = [];
const isArray = Array.isArray;
const assign = Object.assign;
const EMPTY_STR = ''; // Global state for the current render pass

let beforeDiff, afterDiff, renderHook, ummountHook;
/**
 * Render Preact JSX + Components to an HTML string.
 * @param {VNode} vnode	JSX Element / VNode to render
 * @param {Object} [context={}] Initial root context object
 * @param {RendererState} [_rendererState] for internal use
 * @returns {string} serialized HTML
 */

function renderToString(vnode, context, _rendererState) {
  // Performance optimization: `renderToString` is synchronous and we
  // therefore don't execute any effects. To do that we pass an empty
  // array to `options._commit` (`__c`). But we can go one step further
  // and avoid a lot of dirty checks and allocations by setting
  // `options._skipEffects` (`__s`) too.
  const previousSkipEffects = options[SKIP_EFFECTS];
  options[SKIP_EFFECTS] = true; // store options hooks once before each synchronous render call

  beforeDiff = options[DIFF];
  afterDiff = options[DIFFED];
  renderHook = options[RENDER];
  ummountHook = options.unmount;
  const parent = h(Fragment, null);
  parent[CHILDREN] = [vnode];

  try {
    const rendered = _renderToString(vnode, context || EMPTY_OBJ, false, undefined, parent, false, _rendererState);

    if (isArray(rendered)) {
      return rendered.join(EMPTY_STR);
    }

    return rendered;
  } catch (e) {
    if (e.then) {
      throw new Error('Use "renderToStringAsync" for suspenseful rendering.');
    }

    throw e;
  } finally {
    // options._commit, we don't schedule any effects in this library right now,
    // so we can pass an empty queue to this hook.
    if (options[COMMIT]) options[COMMIT](vnode, EMPTY_ARR);
    options[SKIP_EFFECTS] = previousSkipEffects;
    EMPTY_ARR.length = 0;
  }
}
/**
 * @param {VNode} vnode
 * @param {Record<string, unknown>} context
 */

function renderClassComponent(vnode, context) {
  let type =
  /** @type {import("preact").ComponentClass<typeof vnode.props>} */
  vnode.type;
  let isMounting = true;
  let c;

  if (vnode[COMPONENT]) {
    isMounting = false;
    c = vnode[COMPONENT];
    c.state = c[NEXT_STATE];
  } else {
    c = new type(vnode.props, context);
  }

  vnode[COMPONENT] = c;
  c[VNODE] = vnode;
  c.props = vnode.props;
  c.context = context; // turn off stateful re-rendering:

  c[DIRTY] = true;
  if (c.state == null) c.state = EMPTY_OBJ;

  if (c[NEXT_STATE] == null) {
    c[NEXT_STATE] = c.state;
  }

  if (type.getDerivedStateFromProps) {
    c.state = assign({}, c.state, type.getDerivedStateFromProps(c.props, c.state));
  } else if (isMounting && c.componentWillMount) {
    c.componentWillMount(); // If the user called setState in cWM we need to flush pending,
    // state updates. This is the same behaviour in React.

    c.state = c[NEXT_STATE] !== c.state ? c[NEXT_STATE] : c.state;
  } else if (!isMounting && c.componentWillUpdate) {
    c.componentWillUpdate();
  }

  if (renderHook) renderHook(vnode);
  return c.render(c.props, c.state, context);
}
/**
 * Recursively render VNodes to HTML.
 * @param {VNode|any} vnode
 * @param {any} context
 * @param {boolean} isSvgMode
 * @param {any} selectValue
 * @param {VNode} parent
 * @param {boolean} asyncMode
 * @param {RendererState | undefined} [renderer]
 * @returns {string | Promise<string> | (string | Promise<string>)[]}
 */


function _renderToString(vnode, context, isSvgMode, selectValue, parent, asyncMode, renderer) {
  // Ignore non-rendered VNodes/values
  if (vnode == null || vnode === true || vnode === false || vnode === EMPTY_STR) {
    return EMPTY_STR;
  }

  let vnodeType = typeof vnode; // Text VNodes: escape as HTML

  if (vnodeType != 'object') {
    if (vnodeType == 'function') return EMPTY_STR;
    return vnodeType == 'string' ? encodeEntities(vnode) : vnode + EMPTY_STR;
  } // Recurse into children / Arrays


  if (isArray(vnode)) {
    let rendered = EMPTY_STR,
        renderArray;
    parent[CHILDREN] = vnode;
    const vnodeLength = vnode.length;

    for (let i = 0; i < vnodeLength; i++) {
      let child = vnode[i];
      if (child == null || typeof child == 'boolean') continue;

      const childRender = _renderToString(child, context, isSvgMode, selectValue, parent, asyncMode, renderer);

      if (typeof childRender == 'string') {
        rendered = rendered + childRender;
      } else {
        if (!renderArray) {
          renderArray = new Array(vnodeLength);
        }

        if (rendered) renderArray.push(rendered);
        rendered = EMPTY_STR;

        if (isArray(childRender)) {
          renderArray.push(...childRender);
        } else {
          renderArray.push(childRender);
        }
      }
    }

    if (renderArray) {
      if (rendered) renderArray.push(rendered);
      return renderArray;
    }

    return rendered;
  } // VNodes have {constructor:undefined} to prevent JSON injection:


  if (vnode.constructor !== undefined) return EMPTY_STR;
  vnode[PARENT] = parent;
  if (beforeDiff) beforeDiff(vnode);
  let type = vnode.type,
      props = vnode.props; // Invoke rendering on Components

  if (typeof type == 'function') {
    let cctx = context,
        contextType,
        rendered,
        component;

    if (type === Fragment) {
      // Serialized precompiled JSX.
      if ('tpl' in props) {
        let out = EMPTY_STR;

        for (let i = 0; i < props.tpl.length; i++) {
          out = out + props.tpl[i];

          if (props.exprs && i < props.exprs.length) {
            const value = props.exprs[i];
            if (value == null) continue; // Check if we're dealing with a vnode or an array of nodes

            if (typeof value == 'object' && (value.constructor === undefined || isArray(value))) {
              out = out + _renderToString(value, context, isSvgMode, selectValue, vnode, asyncMode, renderer);
            } else {
              // Values are pre-escaped by the JSX transform
              out = out + value;
            }
          }
        }

        return out;
      } else if ('UNSTABLE_comment' in props) {
        // Fragments are the least used components of core that's why
        // branching here for comments has the least effect on perf.
        return '<!--' + encodeEntities(props.UNSTABLE_comment) + '-->';
      }

      rendered = props.children;
    } else {
      contextType = type.contextType;

      if (contextType != null) {
        let provider = context[contextType.__c];
        cctx = provider ? provider.props.value : contextType.__;
      }

      let isClassComponent = type.prototype && typeof type.prototype.render == 'function';

      if (isClassComponent) {
        rendered =
        /**#__NOINLINE__**/
        renderClassComponent(vnode, cctx);
        component = vnode[COMPONENT];
      } else {
        vnode[COMPONENT] = component =
        /**#__NOINLINE__**/
        createComponent(vnode, cctx); // If a hook invokes setState() to invalidate the component during rendering,
        // re-render it up to 25 times to allow "settling" of memoized states.
        // Note:
        //   This will need to be updated for Preact 11 to use internal.flags rather than component._dirty:
        //   https://github.com/preactjs/preact/blob/d4ca6fdb19bc715e49fd144e69f7296b2f4daa40/src/diff/component.js#L35-L44

        let count = 0;

        while (component[DIRTY] && count++ < 25) {
          component[DIRTY] = false;
          if (renderHook) renderHook(vnode);
          rendered = type.call(component, props, cctx);
        }

        component[DIRTY] = true;
      }

      if (component.getChildContext != null) {
        context = assign({}, context, component.getChildContext());
      }

      if (isClassComponent && options.errorBoundaries && (type.getDerivedStateFromError || component.componentDidCatch)) {
        // When a component returns a Fragment node we flatten it in core, so we
        // need to mirror that logic here too
        let isTopLevelFragment = rendered != null && rendered.type === Fragment && rendered.key == null && rendered.props.tpl == null;
        rendered = isTopLevelFragment ? rendered.props.children : rendered;

        try {
          return _renderToString(rendered, context, isSvgMode, selectValue, vnode, asyncMode, renderer);
        } catch (err) {
          if (type.getDerivedStateFromError) {
            component[NEXT_STATE] = type.getDerivedStateFromError(err);
          }

          if (component.componentDidCatch) {
            component.componentDidCatch(err, EMPTY_OBJ);
          }

          if (component[DIRTY]) {
            rendered = renderClassComponent(vnode, context);
            component = vnode[COMPONENT];

            if (component.getChildContext != null) {
              context = assign({}, context, component.getChildContext());
            }

            let isTopLevelFragment = rendered != null && rendered.type === Fragment && rendered.key == null && rendered.props.tpl == null;
            rendered = isTopLevelFragment ? rendered.props.children : rendered;
            return _renderToString(rendered, context, isSvgMode, selectValue, vnode, asyncMode, renderer);
          }

          return EMPTY_STR;
        } finally {
          if (afterDiff) afterDiff(vnode);
          if (ummountHook) ummountHook(vnode);
        }
      }
    } // When a component returns a Fragment node we flatten it in core, so we
    // need to mirror that logic here too


    let isTopLevelFragment = rendered != null && rendered.type === Fragment && rendered.key == null && rendered.props.tpl == null;
    rendered = isTopLevelFragment ? rendered.props.children : rendered;

    try {
      // Recurse into children before invoking the after-diff hook
      const str = _renderToString(rendered, context, isSvgMode, selectValue, vnode, asyncMode, renderer);

      if (afterDiff) afterDiff(vnode); // when we are dealing with suspense we can't do this...

      if (options.unmount) options.unmount(vnode);
      return str;
    } catch (error) {
      if (!asyncMode && renderer && renderer.onError) {
        let res = renderer.onError(error, vnode, (child, parent) => _renderToString(child, context, isSvgMode, selectValue, parent, asyncMode, renderer));
        if (res !== undefined) return res;
        let errorHook = options[CATCH_ERROR];
        if (errorHook) errorHook(error, vnode);
        return EMPTY_STR;
      }

      if (!asyncMode) throw error;
      if (!error || typeof error.then != 'function') throw error;

      const renderNestedChildren = () => {
        try {
          return _renderToString(rendered, context, isSvgMode, selectValue, vnode, asyncMode, renderer);
        } catch (e) {
          if (!e || typeof e.then != 'function') throw e;
          return e.then(() => _renderToString(rendered, context, isSvgMode, selectValue, vnode, asyncMode, renderer), renderNestedChildren);
        }
      };

      return error.then(renderNestedChildren);
    }
  } // Serialize Element VNodes to HTML


  let s = '<' + type,
      html = EMPTY_STR,
      children;

  for (let name in props) {
    let v = props[name];

    if (typeof v == 'function' && name !== 'class' && name !== 'className') {
      continue;
    }

    switch (name) {
      case 'children':
        children = v;
        continue;
      // VDOM-specific props

      case 'key':
      case 'ref':
      case '__self':
      case '__source':
        continue;
      // prefer for/class over htmlFor/className

      case 'htmlFor':
        if ('for' in props) continue;
        name = 'for';
        break;

      case 'className':
        if ('class' in props) continue;
        name = 'class';
        break;
      // Form element reflected properties

      case 'defaultChecked':
        name = 'checked';
        break;

      case 'defaultSelected':
        name = 'selected';
        break;
      // Special value attribute handling

      case 'defaultValue':
      case 'value':
        name = 'value';

        switch (type) {
          // <textarea value="a&b"> --> <textarea>a&amp;b</textarea>
          case 'textarea':
            children = v;
            continue;
          // <select value> is serialized as a selected attribute on the matching option child

          case 'select':
            selectValue = v;
            continue;
          // Add a selected attribute to <option> if its value matches the parent <select> value

          case 'option':
            if (selectValue == v && !('selected' in props)) {
              s = s + ' selected';
            }

            break;
        }

        break;

      case 'dangerouslySetInnerHTML':
        html = v && v.__html;
        continue;
      // serialize object styles to a CSS string

      case 'style':
        if (typeof v === 'object') {
          v = styleObjToCss(v);
        }

        break;

      case 'acceptCharset':
        name = 'accept-charset';
        break;

      case 'httpEquiv':
        name = 'http-equiv';
        break;

      default:
        {
          if (NAMESPACE_REPLACE_REGEX.test(name)) {
            name = name.replace(NAMESPACE_REPLACE_REGEX, '$1:$2').toLowerCase();
          } else if (UNSAFE_NAME.test(name)) {
            continue;
          } else if ((name[4] === '-' || HTML_ENUMERATED.has(name)) && v != null) {
            // serialize boolean aria-xyz or enumerated attribute values as strings
            v = v + EMPTY_STR;
          } else if (isSvgMode) {
            if (SVG_CAMEL_CASE.test(name)) {
              name = name === 'panose1' ? 'panose-1' : name.replace(/([A-Z])/g, '-$1').toLowerCase();
            }
          } else if (HTML_LOWER_CASE.test(name)) {
            name = name.toLowerCase();
          }
        }
    } // write this attribute to the buffer


    if (v != null && v !== false) {
      if (v === true || v === EMPTY_STR) {
        s = s + ' ' + name;
      } else {
        s = s + ' ' + name + '="' + (typeof v == 'string' ? encodeEntities(v) : v + EMPTY_STR) + '"';
      }
    }
  }

  if (UNSAFE_NAME.test(type)) {
    // this seems to performs a lot better than throwing
    // return '<!-- -->';
    throw new Error(`${type} is not a valid HTML tag name in ${s}>`);
  }

  if (html) ; else if (typeof children === 'string') {
    // single text child
    html = encodeEntities(children);
  } else if (children != null && children !== false && children !== true) {
    // recurse into this element VNode's children
    let childSvgMode = type === 'svg' || type !== 'foreignObject' && isSvgMode;
    html = _renderToString(children, context, childSvgMode, selectValue, vnode, asyncMode, renderer);
  }

  if (afterDiff) afterDiff(vnode);
  if (ummountHook) ummountHook(vnode); // Emit self-closing tag for empty void elements:

  if (!html && SELF_CLOSING.has(type)) {
    return s + '/>';
  }

  const endTag = '</' + type + '>';
  const startTag = s + '>';
  if (isArray(html)) return [startTag, ...html, endTag];else if (typeof html != 'string') return [startTag, html, endTag];
  return startTag + html + endTag;
}

const SELF_CLOSING = new Set(['area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr']);

/* eslint-disable no-var, key-spacing, object-curly-spacing, prefer-arrow-callback, semi, keyword-spacing */
// function initPreactIslandElement() {
// 	class PreactIslandElement extends HTMLElement {
// 		connectedCallback() {
// 			var d = this;
// 			if (!d.isConnected) return;
// 			let i = this.getAttribute('data-target');
// 			if (!i) return;
// 			var s,
// 				e,
// 				c = document.createNodeIterator(document, 128);
// 			while (c.nextNode()) {
// 				let n = c.referenceNode;
// 				if (n.data == 'preact-island:' + i) s = n;
// 				else if (n.data == '/preact-island:' + i) e = n;
// 				if (s && e) break;
// 			}
// 			if (s && e) {
// 				requestAnimationFrame(() => {
// 					var p = e.previousSibling;
// 					while (p != s) {
// 						if (!p || p == s) break;
// 						e.parentNode.removeChild(p);
// 						p = e.previousSibling;
// 					}
// 					c = s;
// 					while (d.firstChild) {
// 						s = d.firstChild;
// 						d.removeChild(s);
// 						c.after(s);
// 						c = s;
// 					}
// 					d.parentNode.removeChild(d);
// 				});
// 			}
// 		}
// 	}
// 	customElements.define('preact-island', PreactIslandElement);
// }
// To modify the INIT_SCRIPT, uncomment the above code, modify it, and paste it into https://try.terser.org/.
const INIT_SCRIPT = `class e extends HTMLElement{connectedCallback(){var e=this;if(!e.isConnected)return;let t=this.getAttribute("data-target");if(t){for(var r,a,i=document.createNodeIterator(document,128);i.nextNode();){let e=i.referenceNode;if(e.data=="preact-island:"+t?r=e:e.data=="/preact-island:"+t&&(a=e),r&&a)break}r&&a&&requestAnimationFrame((()=>{for(var t=a.previousSibling;t!=r&&t&&t!=r;)a.parentNode.removeChild(t),t=a.previousSibling;for(i=r;e.firstChild;)r=e.firstChild,e.removeChild(r),i.after(r),i=r;e.parentNode.removeChild(e)}))}}}customElements.define("preact-island",e);`;
function createInitScript() {
  return `<script>(function(){${INIT_SCRIPT}}())</script>`;
}
/**
 * @param {string} id
 * @param {string} content
 * @returns {string}
 */

function createSubtree(id, content) {
  return `<preact-island hidden data-target="${id}">${content}</preact-island>`;
}

/**
 * @param {VNode} vnode
 * @param {RenderToChunksOptions} options
 * @returns {Promise<void>}
 */

async function renderToChunks(vnode, {
  context,
  onWrite,
  abortSignal
}) {
  context = context || {};
  /** @type {RendererState} */

  const renderer = {
    start: Date.now(),
    abortSignal,
    onWrite,
    onError: handleError,
    suspended: []
  }; // Synchronously render the shell
  // @ts-ignore - using third internal RendererState argument

  const shell = renderToString(vnode, context, renderer);
  onWrite(shell); // Wait for any suspended sub-trees if there are any

  const len = renderer.suspended.length;

  if (len > 0) {
    onWrite('<div hidden>');
    onWrite(createInitScript()); // We should keep checking all promises

    await forkPromises(renderer);
    onWrite('</div>');
  }
}

async function forkPromises(renderer) {
  if (renderer.suspended.length > 0) {
    const suspensions = [...renderer.suspended];
    await Promise.all(renderer.suspended.map(s => s.promise));
    renderer.suspended = renderer.suspended.filter(s => !suspensions.includes(s));
    await forkPromises(renderer);
  }
}
/** @type {RendererErrorHandler} */


function handleError(error, vnode, renderChild) {
  if (!error || !error.then) return; // walk up to the Suspense boundary

  while (vnode = vnode[PARENT]) {
    let component = vnode[COMPONENT];

    if (component && component[CHILD_DID_SUSPEND]) {
      break;
    }
  }

  if (!vnode) return;
  const id = vnode.__v;
  const found = this.suspended.find(x => x.id === id);
  const race = new Deferred();
  const abortSignal = this.abortSignal;

  if (abortSignal) {
    // @ts-ignore 2554 - implicit undefined arg
    if (abortSignal.aborted) race.resolve();else abortSignal.addEventListener('abort', race.resolve);
  }

  const promise = error.then(() => {
    if (abortSignal && abortSignal.aborted) return;
    const child = renderChild(vnode.props.children, vnode);
    if (child) this.onWrite(createSubtree(id, child));
  }, // TODO: Abort and send hydration code snippet to client
  // to attempt to recover during hydration
  this.onError);
  this.suspended.push({
    id,
    vnode,
    promise: Promise.race([promise, race.promise])
  });
  const fallback = renderChild(vnode.props.fallback);
  return found ? '' : `<!--preact-island:${id}-->${fallback}<!--/preact-island:${id}-->`;
}

/**
 * @typedef {object} RenderToPipeableStreamOptions
 * @property {() => void} [onShellReady]
 * @property {() => void} [onAllReady]
 * @property {(error) => void} [onError]
 */

/**
 * @typedef {object} PipeableStream
 * @property {() => void} abort
 * @property {(writable: import('stream').Writable) => void} pipe
 */

/**
 * @param {import('preact').VNode} vnode
 * @param {RenderToPipeableStreamOptions} options
 * @param {any} [context]
 * @returns {PipeableStream}
 */

function renderToPipeableStream(vnode, options, context) {
  const encoder = new TextEncoder('utf-8');
  const controller = new AbortController();
  const stream = new PassThrough();
  renderToChunks(vnode, {
    context,
    abortSignal: controller.signal,
    onError: error => {
      if (options.onError) {
        options.onError(error);
      }

      controller.abort(error);
    },

    onWrite(s) {
      stream.write(encoder.encode(s));
    }

  }).then(() => {
    options.onAllReady && options.onAllReady();
    stream.end();
  }).catch(error => {
    stream.destroy();

    if (options.onError) {
      options.onError(error);
    } else {
      throw error;
    }
  });
  Promise.resolve().then(() => {
    options.onShellReady && options.onShellReady();
  });
  return {
    /**
     * @param {unknown} [reason]
     */
    abort(reason = new Error('The render was aborted by the server without a reason.')) {
      controller.abort();
      stream.destroy();

      if (options.onError) {
        options.onError(reason);
      }
    },

    /**
     * @param {import("stream").Writable} writable
     */
    pipe(writable) {
      stream.pipe(writable, {
        end: true
      });
    }

  };
}

export { renderToPipeableStream };
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