inferno-server/dist/index.cjs

Provides methods to render HTML strings from Inferno elements

'use strict';

var inferno = require('inferno');
var stream = require('stream');

var ERROR_MSG = 'a runtime error occured! Use Inferno in development environment to find the error.';
var isArray = Array.isArray;
function isStringOrNumber(o) {
  var type = typeof o;
  return type === 'string' || type === 'number';
}
function isNullOrUndef(o) {
  return o === void 0 || o === null;
}
function isInvalid(o) {
  return o === null || o === false || o === true || o === void 0;
}
function isFunction(o) {
  return typeof o === 'function';
}
function isString(o) {
  return typeof o === 'string';
}
function isNumber(o) {
  return typeof o === 'number';
}
function isNull(o) {
  return o === null;
}
function isUndefined(o) {
  return o === void 0;
}
function throwError(message) {
  if (!message) {
    message = ERROR_MSG;
  }
  throw new Error("Inferno Error: " + message);
}

function parseStyleAsString(styles) {
  if (isString(styles)) {
    return styles;
  } else {
    var renderedString = '';
    for (var styleName in styles) {
      var value = styles[styleName];
      if (isStringOrNumber(value)) {
        renderedString += styleName + ":" + value + ";";
      }
    }
    return renderedString;
  }
}
function renderStyleAttribute(styles) {
  var stylesString = parseStyleAsString(styles);
  if (stylesString) {
    return " style=\"" + stylesString + "\"";
  }
  return '';
}

function _extends$4() { return _extends$4 = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends$4.apply(null, arguments); }
var rxUnescaped = /["'&<>]/;
function escapeText(text) {
  /* Much faster when there is no unescaped characters */
  if (!rxUnescaped.test(text)) {
    return text;
  }
  var result = '';
  var escape = '';
  var start = 0;
  var i = 0;
  for (; i < text.length; ++i) {
    switch (text.charCodeAt(i)) {
      case 34:
        // "
        escape = '&quot;';
        break;
      case 39:
        // '
        escape = '&#039;';
        break;
      case 38:
        // &
        escape = '&amp;';
        break;
      case 60:
        // <
        escape = '&lt;';
        break;
      case 62:
        // >
        escape = '&gt;';
        break;
      default:
        continue;
    }
    if (i > start) {
      result += text.slice(start, i);
    }
    result += escape;
    start = i + 1;
  }
  return result + text.slice(start, i);
}
var ATTRIBUTE_NAME_START_CHAR = ":A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD";
var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + "\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040";
var VALID_ATTRIBUTE_NAME_REGEX = new RegExp(
// eslint-disable-next-line no-misleading-character-class
'^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$');
var illegalAttributeNameCache = {};
var validatedAttributeNameCache = {};
function isAttributeNameSafe(attributeName) {
  if (validatedAttributeNameCache[attributeName] !== void 0) {
    return true;
  }
  if (illegalAttributeNameCache[attributeName] !== void 0) {
    return false;
  }
  if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) {
    validatedAttributeNameCache[attributeName] = true;
    return true;
  }
  illegalAttributeNameCache[attributeName] = true;
  {
    console.log('Invalid attribute name: ' + attributeName);
  }
  return false;
}
var voidElements = new Set(['area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr']);
function createDerivedState(instance, nextProps, state) {
  if (instance.constructor.getDerivedStateFromProps) {
    return _extends$4({}, state, instance.constructor.getDerivedStateFromProps(nextProps, state));
  }
  return state;
}
function renderFunctionalComponent(vNode, context) {
  var props = vNode.props || inferno.EMPTY_OBJ;
  return vNode.flags & 32768 /* VNodeFlags.ForwardRef */ ? vNode.type.render(props, vNode.ref, context) : vNode.type(props, context);
}

function _extends$3() { return _extends$3 = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends$3.apply(null, arguments); }
function renderVNodeToString(vNode, parent, context) {
  var flags = vNode.flags;
  var type = vNode.type;
  var props = vNode.props || inferno.EMPTY_OBJ;
  var children = vNode.children;
  if ((flags & 14 /* VNodeFlags.Component */) !== 0) {
    var isClass = flags & 4 /* VNodeFlags.ComponentClass */;
    if (isClass) {
      var instance = new type(props, context);
      var hasNewAPI = Boolean(type.getDerivedStateFromProps);
      instance.$BS = false;
      instance.$SSR = true;
      var childContext;
      if (isFunction(instance.getChildContext)) {
        childContext = instance.getChildContext();
      }
      if (isNullOrUndef(childContext)) {
        childContext = context;
      } else {
        childContext = _extends$3({}, context, childContext);
      }
      if (instance.props === inferno.EMPTY_OBJ) {
        instance.props = props;
      }
      instance.context = context;
      if (!hasNewAPI && isFunction(instance.componentWillMount)) {
        instance.$BR = true;
        instance.componentWillMount();
        instance.$BR = false;
        var pending = instance.$PS;
        if (pending) {
          var state = instance.state;
          if (state === null) {
            instance.state = pending;
          } else {
            for (var key in pending) {
              state[key] = pending[key];
            }
          }
          instance.$PSS = false;
          instance.$PS = null;
        }
      }
      if (hasNewAPI) {
        instance.state = createDerivedState(instance, props, instance.state);
      }
      var renderOutput = instance.render(props, instance.state, instance.context);
      // In case render returns invalid stuff
      if (isInvalid(renderOutput)) {
        return '<!--!-->';
      }
      if (isString(renderOutput)) {
        return escapeText(renderOutput);
      }
      if (isNumber(renderOutput)) {
        return renderOutput + '';
      }
      return renderVNodeToString(renderOutput, vNode, childContext);
    } else {
      var _renderOutput = renderFunctionalComponent(vNode, context);
      if (isInvalid(_renderOutput)) {
        return '<!--!-->';
      }
      if (isString(_renderOutput)) {
        return escapeText(_renderOutput);
      }
      if (isNumber(_renderOutput)) {
        return _renderOutput + '';
      }
      return renderVNodeToString(_renderOutput, vNode, context);
    }
  } else if ((flags & 481 /* VNodeFlags.Element */) !== 0) {
    var renderedString = "<" + type;
    var html;
    var isVoidElement = voidElements.has(type);
    var className = vNode.className;
    if (isString(className)) {
      renderedString += " class=\"" + escapeText(className) + "\"";
    } else if (isNumber(className)) {
      renderedString += " class=\"" + className + "\"";
    }
    if (!isNull(props)) {
      for (var prop in props) {
        var value = props[prop];
        switch (prop) {
          case 'dangerouslySetInnerHTML':
            html = value.__html;
            break;
          case 'style':
            if (!isNullOrUndef(props.style)) {
              renderedString += renderStyleAttribute(props.style);
            }
            break;
          case 'children':
          case 'className':
            // Ignore
            break;
          case 'defaultValue':
            // Use default values if normal values are not present
            if (!props.value) {
              renderedString += " value=\"" + (isString(value) ? escapeText(value) : value) + "\"";
            }
            break;
          case 'defaultChecked':
            // Use default values if normal values are not present
            if (!props.checked) {
              renderedString += " checked=\"" + value + "\"";
            }
            break;
          default:
            if (isAttributeNameSafe(prop)) {
              if (isString(value)) {
                renderedString += " " + prop + "=\"" + escapeText(value) + "\"";
              } else if (isNumber(value)) {
                renderedString += " " + prop + "=\"" + value + "\"";
              } else if (value === true) {
                renderedString += " " + prop;
              }
            }
            break;
        }
      }
      if (type === 'option' && typeof props.value !== 'undefined' && props.value === parent.props.value) {
        // Parent value sets children value
        renderedString += " selected";
      }
    }
    if (isVoidElement) {
      renderedString += ">";
    } else {
      renderedString += ">";
      var childFlags = vNode.childFlags;
      if (childFlags === 2 /* ChildFlags.HasVNodeChildren */) {
        renderedString += renderVNodeToString(children, vNode, context);
      } else if (childFlags & 12 /* ChildFlags.MultipleChildren */) {
        for (var i = 0, len = children.length; i < len; ++i) {
          renderedString += renderVNodeToString(children[i], vNode, context);
        }
      } else if (childFlags === 16 /* ChildFlags.HasTextChildren */) {
        renderedString += children === '' ? ' ' : escapeText(children);
      } else if (html) {
        renderedString += html;
      }
      if (!isVoidElement) {
        renderedString += "</" + type + ">";
      }
    }
    if (String(type).match(/[\s\n/='"\0<>]/)) {
      throw renderedString;
    }
    return renderedString;
  } else if ((flags & 16 /* VNodeFlags.Text */) !== 0) {
    return children === '' ? ' ' : escapeText(children);
  } else if (isArray(vNode) || (flags & 8192 /* VNodeFlags.Fragment */) !== 0) {
    var _childFlags = vNode.childFlags;
    if (_childFlags === 2 /* ChildFlags.HasVNodeChildren */ || isArray(vNode) && vNode.length === 0) {
      return '<!--!-->';
    } else if (_childFlags & 12 /* ChildFlags.MultipleChildren */ || isArray(vNode)) {
      var tmpNodes = isArray(vNode) ? vNode : children;
      var _renderedString = '';
      for (var _i = 0, _len = tmpNodes.length; _i < _len; ++_i) {
        _renderedString += renderVNodeToString(tmpNodes[_i], vNode, context);
      }
      return _renderedString;
    }
  } else {
    {
      if (typeof vNode === 'object') {
        throwError("renderToString() received an object that's not a valid VNode, you should stringify it first. Object: \"" + JSON.stringify(vNode) + "\".");
      } else {
        throwError("renderToString() expects a valid VNode, instead it received an object with the type \"" + typeof vNode + "\".");
      }
    }
    throwError();
  }
  return '';
}
function renderToString(input) {
  return renderVNodeToString(input, {}, {});
}

function _extends$2() { return _extends$2 = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends$2.apply(null, arguments); }
function mergePendingState(componentInstance) {
  var pendingState = componentInstance.$PS;
  if (pendingState) {
    var state = componentInstance.state;
    if (state === null) {
      componentInstance.state = pendingState;
    } else {
      componentInstance.state = _extends$2({}, state, pendingState);
    }
    componentInstance.$PS = null;
  }
  componentInstance.$BR = false;
}

function _extends$1() { return _extends$1 = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends$1.apply(null, arguments); }
function _inheritsLoose$1(t, o) { t.prototype = Object.create(o.prototype), t.prototype.constructor = t, _setPrototypeOf$1(t, o); }
function _setPrototypeOf$1(t, e) { return _setPrototypeOf$1 = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf$1(t, e); }
var RenderQueueStream = /*#__PURE__*/function (_Readable) {
  function RenderQueueStream(initNode) {
    var _this;
    _this = _Readable.call(this) || this;
    _this.collector = [Infinity];
    // Infinity marks the end of the stream
    _this.promises = [];
    _this.pushQueue = _this.pushQueue.bind(_this);
    if (initNode) {
      _this.renderVNodeToQueue(initNode, null, null);
    }
    return _this;
  }
  _inheritsLoose$1(RenderQueueStream, _Readable);
  var _proto = RenderQueueStream.prototype;
  _proto._read = function _read() {
    setTimeout(this.pushQueue, 0);
  };
  _proto.addToQueue = function addToQueue(node, position) {
    // Positioning defined, stack it
    if (!isNullOrUndef(position)) {
      var lastSlot = this.promises[position].length - 1;
      // Combine as array or push into promise collector
      if (typeof this.promises[position][lastSlot] === 'string' && typeof node === 'string') {
        this.promises[position][lastSlot] += node;
      } else {
        this.promises[position].push(node);
      }
      // Collector is empty push to stream
    } else if (typeof node === 'string' && this.collector.length - 1 === 0) {
      this.push(node);
      // Last element in collector and incoming are same then concat
    } else if (typeof node === 'string' && typeof this.collector[this.collector.length - 2] === 'string') {
      this.collector[this.collector.length - 2] += node;
      // Push the element to collector (before Infinity)
    } else {
      this.collector.splice(-1, 0, node);
    }
  };
  _proto.pushQueue = function pushQueue() {
    var _this2 = this;
    var chunk = this.collector[0];
    // Output strings directly
    if (typeof chunk === 'string') {
      this.push(chunk);
      this.collector.shift();
      // For fulfilled promises, merge into collector
    } else if (!!chunk && (typeof chunk === 'object' || isFunction(chunk)) && isFunction(chunk.then)) {
      chunk.then(function (index) {
        var _this2$collector;
        (_this2$collector = _this2.collector).splice.apply(_this2$collector, [0, 1].concat(_this2.promises[index]));
        _this2.promises[index] = null;
        setTimeout(_this2.pushQueue, 0);
      });
      this.collector[0] = null;
      // End of content
    } else if (chunk === Infinity) {
      this.emit('end');
    }
  };
  _proto.renderVNodeToQueue = function renderVNodeToQueue(vNode, context, position) {
    var _this3 = this;
    var flags = vNode.flags;
    var type = vNode.type;
    var props = vNode.props || inferno.EMPTY_OBJ;
    var children = vNode.children;
    // Handles a component render
    if ((flags & 14 /* VNodeFlags.Component */) > 0) {
      var isClass = flags & 4 /* VNodeFlags.ComponentClass */;
      // Render the
      if (isClass) {
        var instance = new type(props, context);
        var hasNewAPI = Boolean(type.getDerivedStateFromProps);
        instance.$BS = false;
        instance.$SSR = true;
        var childContext;
        if (!isUndefined(instance.getChildContext)) {
          childContext = instance.getChildContext();
        }
        if (!isNullOrUndef(childContext)) {
          context = _extends$1({}, context, childContext);
        }
        if (instance.props === inferno.EMPTY_OBJ) {
          instance.props = props;
        }
        instance.context = context;
        // Trigger lifecycle hook
        if (!hasNewAPI && isFunction(instance.componentWillMount)) {
          instance.$BR = true;
          instance.componentWillMount();
          mergePendingState(instance);
        }
        // Trigger extra promise-based lifecycle hook
        if (isFunction(instance.getInitialProps)) {
          var initialProps = instance.getInitialProps(instance.props, instance.context);
          if (initialProps) {
            if (Promise.resolve(initialProps) === initialProps) {
              var promisePosition = this.promises.push([]) - 1;
              this.addToQueue(initialProps.then(function (dataForContext) {
                if (typeof dataForContext === 'object') {
                  instance.props = _extends$1({}, instance.props, dataForContext);
                }
                var renderOut = instance.render(instance.props, instance.state, instance.context);
                if (isInvalid(renderOut)) {
                  _this3.addToQueue('<!--!-->', promisePosition);
                } else if (isString(renderOut)) {
                  _this3.addToQueue(escapeText(renderOut), promisePosition);
                } else if (isNumber(renderOut)) {
                  _this3.addToQueue(renderOut + '', promisePosition);
                } else {
                  _this3.renderVNodeToQueue(renderOut, instance.context, promisePosition);
                }
                setTimeout(_this3.pushQueue, 0);
                return promisePosition;
              }), position);
              return;
            } else {
              instance.props = _extends$1({}, instance.props, initialProps);
            }
          }
        }
        if (hasNewAPI) {
          instance.state = createDerivedState(instance, props, instance.state);
        }
        var renderOutput = instance.render(instance.props, instance.state, instance.context);
        if (isInvalid(renderOutput)) {
          this.addToQueue('<!--!-->', position);
        } else if (isString(renderOutput)) {
          this.addToQueue(escapeText(renderOutput), position);
        } else if (isNumber(renderOutput)) {
          this.addToQueue(renderOutput + '', position);
        } else {
          this.renderVNodeToQueue(renderOutput, context, position);
        }
      } else {
        var _renderOutput = renderFunctionalComponent(vNode, context);
        if (isInvalid(_renderOutput)) {
          this.addToQueue('<!--!-->', position);
        } else if (isString(_renderOutput)) {
          this.addToQueue(escapeText(_renderOutput), position);
        } else if (isNumber(_renderOutput)) {
          this.addToQueue(_renderOutput + '', position);
        } else {
          this.renderVNodeToQueue(_renderOutput, context, position);
        }
      }
      // If an element
    } else if ((flags & 481 /* VNodeFlags.Element */) > 0) {
      var renderedString = "<" + type;
      var html;
      var isVoidElement = voidElements.has(type);
      var className = vNode.className;
      if (isString(className)) {
        renderedString += " class=\"" + escapeText(className) + "\"";
      } else if (isNumber(className)) {
        renderedString += " class=\"" + className + "\"";
      }
      if (!isNull(props)) {
        for (var prop in props) {
          var value = props[prop];
          switch (prop) {
            case 'dangerouslySetInnerHTML':
              html = value.__html;
              break;
            case 'style':
              if (!isNullOrUndef(props.style)) {
                renderedString += renderStyleAttribute(props.style);
              }
              break;
            case 'children':
            case 'className':
              // Ignore
              break;
            case 'defaultValue':
              // Use default values if normal values are not present
              if (!props.value) {
                renderedString += " value=\"" + (isString(value) ? escapeText(value) : value) + "\"";
              }
              break;
            case 'defaultChecked':
              // Use default values if normal values are not present
              if (!props.checked) {
                renderedString += " checked=\"" + value + "\"";
              }
              break;
            default:
              if (isAttributeNameSafe(prop)) {
                if (isString(value)) {
                  renderedString += " " + prop + "=\"" + escapeText(value) + "\"";
                } else if (isNumber(value)) {
                  renderedString += " " + prop + "=\"" + value + "\"";
                } else if (value === true) {
                  renderedString += " " + prop;
                }
              }
              break;
          }
        }
      }
      renderedString += ">";
      if (String(type).match(/[\s\n/='"\0<>]/)) {
        throw renderedString;
      }
      // Voided element, push directly to queue
      if (isVoidElement) {
        this.addToQueue(renderedString, position);
        // Regular element with content
      } else {
        // Element has children, build them in
        var childFlags = vNode.childFlags;
        if (childFlags === 2 /* ChildFlags.HasVNodeChildren */) {
          this.addToQueue(renderedString, position);
          this.renderVNodeToQueue(children, context, position);
          this.addToQueue('</' + type + '>', position);
          return;
        } else if (childFlags === 16 /* ChildFlags.HasTextChildren */) {
          this.addToQueue(renderedString, position);
          this.addToQueue(children === '' ? ' ' : escapeText(children + ''), position);
          this.addToQueue('</' + type + '>', position);
          return;
        } else if (childFlags & 12 /* ChildFlags.MultipleChildren */) {
          this.addToQueue(renderedString, position);
          for (var i = 0, len = children.length; i < len; ++i) {
            this.renderVNodeToQueue(children[i], context, position);
          }
          this.addToQueue('</' + type + '>', position);
          return;
        }
        if (html) {
          this.addToQueue(renderedString + html + '</' + type + '>', position);
          return;
        }
        // Close element if it's not void
        if (!isVoidElement) {
          this.addToQueue(renderedString + '</' + type + '>', position);
        }
      }
      // Push text directly to queue
    } else if ((flags & 16 /* VNodeFlags.Text */) > 0) {
      this.addToQueue(children === '' ? ' ' : escapeText(children), position);
      // Handle fragments and arrays
    } else if (isArray(vNode) || (flags & 8192 /* VNodeFlags.Fragment */) !== 0) {
      var _childFlags = vNode.childFlags;
      if (_childFlags === 2 /* ChildFlags.HasVNodeChildren */ || isArray(vNode) && vNode.length === 0) {
        this.addToQueue('<!--!-->', position);
      } else if (_childFlags & 12 /* ChildFlags.MultipleChildren */ || isArray(vNode)) {
        var tmpChildren = isArray(vNode) ? vNode : vNode.children;
        for (var _i = 0, _len = tmpChildren.length; _i < _len; ++_i) {
          this.renderVNodeToQueue(tmpChildren[_i], context, position);
        }
      }
      // Handle errors
    } else {
      {
        if (typeof vNode === 'object') {
          throwError("renderToString() received an object that's not a valid VNode, you should stringify it first. Object: \"" + JSON.stringify(vNode) + "\".");
        } else {
          throwError("renderToString() expects a valid VNode, instead it received an object with the type \"" + typeof vNode + "\".");
        }
      }
      throwError();
    }
  };
  return RenderQueueStream;
}(stream.Readable);
function streamQueueAsString(node) {
  return new RenderQueueStream(node);
}

function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _regeneratorRuntime() { /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: true, configurable: true, writable: true }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == typeof h && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: true }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator["return"] && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(true); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = false, next; return next.value = t, next.done = true, next; }; return i.next = i; } } throw new TypeError(typeof e + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: true }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: true }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = false, next; } return next.done = true, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = false, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = true; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, true); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, true); } else { if (!u) throw Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, "catch": function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; }
function asyncGeneratorStep(n, t, e, r, o, a, c) { try { var i = n[a](c), u = i.value; } catch (n) { return void e(n); } i.done ? t(u) : Promise.resolve(u).then(r, o); }
function _asyncToGenerator(n) { return function () { var t = this, e = arguments; return new Promise(function (r, o) { var a = n.apply(t, e); function _next(n) { asyncGeneratorStep(a, r, o, _next, _throw, "next", n); } function _throw(n) { asyncGeneratorStep(a, r, o, _next, _throw, "throw", n); } _next(void 0); }); }; }
function _inheritsLoose(t, o) { t.prototype = Object.create(o.prototype), t.prototype.constructor = t, _setPrototypeOf(t, o); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
var resolvedPromise = Promise.resolve();
var RenderStream = /*#__PURE__*/function (_Readable) {
  function RenderStream(initNode) {
    var _this;
    _this = _Readable.call(this) || this;
    _this.initNode = void 0;
    _this.started = false;
    _this.initNode = initNode;
    return _this;
  }
  _inheritsLoose(RenderStream, _Readable);
  var _proto = RenderStream.prototype;
  _proto._read = function _read() {
    var _this2 = this;
    if (this.started) {
      return;
    }
    this.started = true;
    resolvedPromise.then(function () {
      return _this2.renderNode(_this2.initNode, null);
    }).then(function () {
      _this2.push(null);
    })["catch"](function (err) {
      _this2.emit('error', err);
    });
  };
  _proto.renderNode = function renderNode(vNode, context) {
    var flags = vNode.flags;
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      return this.renderComponent(vNode, context, flags & 4 /* VNodeFlags.ComponentClass */);
    }
    if ((flags & 481 /* VNodeFlags.Element */) > 0) {
      return this.renderElement(vNode, context);
    }
    if (isArray(vNode) || (flags & 8192 /* VNodeFlags.Fragment */) !== 0) {
      return this.renderArrayOrFragment(vNode, context);
    }
    this.renderText(vNode);
  };
  _proto.renderArrayOrFragment = function renderArrayOrFragment(vNode, context) {
    var _this3 = this;
    var childFlags = vNode.childFlags;
    if (childFlags === 2 /* ChildFlags.HasVNodeChildren */ || isArray(vNode) && vNode.length === 0) {
      return this.push('<!--!-->');
    } else if (childFlags & 12 /* ChildFlags.MultipleChildren */ || isArray(vNode)) {
      var children = isArray(vNode) ? vNode : vNode.children;
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        var _ref = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(p, child) {
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                return p.then(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
                  return _regeneratorRuntime().wrap(function _callee$(_context) {
                    while (1) switch (_context.prev = _context.next) {
                      case 0:
                        _context.next = 2;
                        return Promise.resolve(_this3.renderNode(child, context)).then(function () {
                          return !!(child.flags & 16 /* VNodeFlags.Text */);
                        });
                      case 2:
                        return _context.abrupt("return", _context.sent);
                      case 3:
                      case "end":
                        return _context.stop();
                    }
                  }, _callee);
                })));
              case 2:
                return _context2.abrupt("return", _context2.sent);
              case 3:
              case "end":
                return _context2.stop();
            }
          }, _callee2);
        }));
        return function (_x, _x2) {
          return _ref.apply(this, arguments);
        };
      }(), Promise.resolve(false));
    }
  };
  _proto.renderComponent = function renderComponent(vComponent, context, isClass) {
    var _this4 = this;
    var type = vComponent.type;
    var props = vComponent.props;
    if (!isClass) {
      var renderOutput = renderFunctionalComponent(vComponent, context);
      if (isInvalid(renderOutput)) {
        return this.push('<!--!-->');
      }
      if (isString(renderOutput)) {
        return this.push(escapeText(renderOutput));
      }
      if (isNumber(renderOutput)) {
        return this.push(renderOutput + '');
      }
      return this.renderNode(renderOutput, context);
    }
    var instance = new type(props, context);
    var hasNewAPI = Boolean(type.getDerivedStateFromProps);
    instance.$BS = false;
    instance.$SSR = true;
    var childContext;
    if (isFunction(instance.getChildContext)) {
      childContext = instance.getChildContext();
    }
    if (!isNullOrUndef(childContext)) {
      context = _extends({}, context, childContext);
    }
    instance.context = context;
    instance.$BR = true;
    return Promise.resolve(!hasNewAPI && (instance.componentWillMount == null ? void 0 : instance.componentWillMount())).then(function () {
      mergePendingState(instance);
      if (hasNewAPI) {
        instance.state = createDerivedState(instance, props, instance.state);
      }
      var renderOutput = instance.render(instance.props, instance.state, instance.context);
      if (isInvalid(renderOutput)) {
        return _this4.push('<!--!-->');
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      if (isString(renderOutput)) {
        return _this4.push(escapeText(renderOutput));
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      if (isNumber(renderOutput)) {
        return _this4.push(renderOutput + '');
      }
      return _this4.renderNode(renderOutput, context);
    });
  };
  _proto.renderChildren = function renderChildren(children, context, childFlags) {
    var _this5 = this;
    if (childFlags === 2 /* ChildFlags.HasVNodeChildren */) {
      return this.renderNode(children, context);
    }
    if (childFlags === 16 /* ChildFlags.HasTextChildren */) {
      return this.push(children === '' ? ' ' : escapeText(children + ''));
    }
    if (childFlags & 12 /* ChildFlags.MultipleChildren */) {
      return children.reduce(/*#__PURE__*/function () {
        var _ref3 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(p, child) {
          return _regeneratorRuntime().wrap(function _callee4$(_context4) {
            while (1) switch (_context4.prev = _context4.next) {
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                _context4.next = 2;
                return p.then(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3() {
                  return _regeneratorRuntime().wrap(function _callee3$(_context3) {
                    while (1) switch (_context3.prev = _context3.next) {
                      case 0:
                        _context3.next = 2;
                        return Promise.resolve(_this5.renderNode(child, context)).then(function () {
                          return !!(child.flags & 16 /* VNodeFlags.Text */);
                        });
                      case 2:
                        return _context3.abrupt("return", _context3.sent);
                      case 3:
                      case "end":
                        return _context3.stop();
                    }
                  }, _callee3);
                })));
              case 2:
                return _context4.abrupt("return", _context4.sent);
              case 3:
              case "end":
                return _context4.stop();
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        }));
        return function (_x3, _x4) {
          return _ref3.apply(this, arguments);
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      }(), Promise.resolve(false));
    }
  };
  _proto.renderText = function renderText(vNode) {
    this.push(vNode.children === '' ? ' ' : escapeText(vNode.children));
  };
  _proto.renderElement = function renderElement(vNode, context) {
    var _this6 = this;
    var type = vNode.type;
    var props = vNode.props;
    var renderedString = "<" + type;
    var html;
    var isVoidElement = voidElements.has(type);
    var className = vNode.className;
    if (isString(className)) {
      renderedString += " class=\"" + escapeText(className) + "\"";
    } else if (isNumber(className)) {
      renderedString += " class=\"" + className + "\"";
    }
    if (!isNull(props)) {
      for (var prop in props) {
        var value = props[prop];
        switch (prop) {
          case 'dangerouslySetInnerHTML':
            html = value.__html;
            break;
          case 'style':
            if (!isNullOrUndef(props.style)) {
              renderedString += renderStyleAttribute(props.style);
            }
            break;
          case 'children':
          case 'className':
            // Ignore
            break;
          case 'defaultValue':
            // Use default values if normal values are not present
            if (!props.value) {
              renderedString += " value=\"" + (isString(value) ? escapeText(value) : value) + "\"";
            }
            break;
          case 'defaultChecked':
            // Use default values if normal values are not present
            if (!props.checked) {
              renderedString += " checked=\"" + value + "\"";
            }
            break;
          default:
            if (isAttributeNameSafe(prop)) {
              if (isString(value)) {
                renderedString += " " + prop + "=\"" + escapeText(value) + "\"";
              } else if (isNumber(value)) {
                renderedString += " " + prop + "=\"" + value + "\"";
              } else if (value === true) {
                renderedString += " " + prop;
              }
              break;
            }
        }
      }
    }
    renderedString += ">";
    this.push(renderedString);
    if (String(type).match(/[\s\n/='"\0<>]/)) {
      throw renderedString;
    }
    if (isVoidElement) {
      return;
    } else {
      if (html) {
        this.push(html);
        this.push("</" + type + ">");
        return;
      }
    }
    var childFlags = vNode.childFlags;
    if (childFlags === 1 /* ChildFlags.HasInvalidChildren */) {
      this.push("</" + type + ">");
      return;
    }
    return Promise.resolve(this.renderChildren(vNode.children, context, childFlags)).then(function () {
      _this6.push("</" + type + ">");
    });
  };
  return RenderStream;
}(stream.Readable);
function streamAsString(node) {
  return new RenderStream(node);
}

exports.RenderQueueStream = RenderQueueStream;
exports.RenderStream = RenderStream;
exports.renderToStaticMarkup = renderToString;
exports.renderToString = renderToString;
exports.streamAsStaticMarkup = streamAsString;
exports.streamAsString = streamAsString;
exports.streamQueueAsStaticMarkup = streamQueueAsString;
exports.streamQueueAsString = streamQueueAsString;