docx/dist/index.cjs

Easily generate .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

"use strict";
var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
  for (var prop in b || (b = {}))
    if (__hasOwnProp.call(b, prop))
      __defNormalProp(a, prop, b[prop]);
  if (__getOwnPropSymbols)
    for (var prop of __getOwnPropSymbols(b)) {
      if (__propIsEnum.call(b, prop))
        __defNormalProp(a, prop, b[prop]);
    }
  return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
var __objRest = (source, exclude) => {
  var target = {};
  for (var prop in source)
    if (__hasOwnProp.call(source, prop) && exclude.indexOf(prop) < 0)
      target[prop] = source[prop];
  if (source != null && __getOwnPropSymbols)
    for (var prop of __getOwnPropSymbols(source)) {
      if (exclude.indexOf(prop) < 0 && __propIsEnum.call(source, prop))
        target[prop] = source[prop];
    }
  return target;
};
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
var __async = (__this, __arguments, generator) => {
  return new Promise((resolve, reject) => {
    var fulfilled = (value) => {
      try {
        step(generator.next(value));
      } catch (e) {
        reject(e);
      }
    };
    var rejected = (value) => {
      try {
        step(generator.throw(value));
      } catch (e) {
        reject(e);
      }
    };
    var step = (x) => x.done ? resolve(x.value) : Promise.resolve(x.value).then(fulfilled, rejected);
    step((generator = generator.apply(__this, __arguments)).next());
  });
};
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
class BaseXmlComponent {
  constructor(rootKey) {
    __publicField(this, "rootKey");
    this.rootKey = rootKey;
  }
}
const EMPTY_OBJECT = Object.seal({});
class XmlComponent extends BaseXmlComponent {
  constructor(rootKey) {
    super(rootKey);
    // eslint-disable-next-line functional/prefer-readonly-type, @typescript-eslint/no-explicit-any
    __publicField(this, "root");
    this.root = new Array();
  }
  // This method is called by the formatter to get the XML representation of this component.
  // It is called recursively for all child components.
  // It is a serializer to be used in the xml library.
  // https://www.npmjs.com/package/xml
  // Child components can override this method to customize the XML representation, or execute side effects.
  prepForXml(context) {
    var _a;
    context.stack.push(this);
    const children = this.root.map((comp) => {
      if (comp instanceof BaseXmlComponent) {
        return comp.prepForXml(context);
      }
      return comp;
    }).filter((comp) => comp !== void 0);
    context.stack.pop();
    return {
      [this.rootKey]: children.length ? children.length === 1 && ((_a = children[0]) == null ? void 0 : _a._attr) ? children[0] : children : EMPTY_OBJECT
    };
  }
  /**
   * @deprecated Do not use this method. It is only used internally by the library. It will be removed in a future version.
   */
  addChildElement(child) {
    this.root.push(child);
    return this;
  }
}
class IgnoreIfEmptyXmlComponent extends XmlComponent {
  prepForXml(context) {
    const result = super.prepForXml(context);
    if (result && (typeof result[this.rootKey] !== "object" || Object.keys(result[this.rootKey]).length)) {
      return result;
    }
    return void 0;
  }
}
class XmlAttributeComponent extends BaseXmlComponent {
  constructor(root) {
    super("_attr");
    __publicField(this, "xmlKeys");
    this.root = root;
  }
  prepForXml(_) {
    const attrs = {};
    Object.entries(this.root).forEach(([key, value]) => {
      if (value !== void 0) {
        const newKey = this.xmlKeys && this.xmlKeys[key] || key;
        attrs[newKey] = value;
      }
    });
    return { _attr: attrs };
  }
}
class NextAttributeComponent extends BaseXmlComponent {
  constructor(root) {
    super("_attr");
    this.root = root;
  }
  prepForXml(_) {
    const attrs = Object.values(this.root).filter(({ value }) => value !== void 0).reduce((acc, { key, value }) => __spreadProps(__spreadValues({}, acc), { [key]: value }), {});
    return { _attr: attrs };
  }
}
class Attributes extends XmlAttributeComponent {
  constructor() {
    super(...arguments);
    __publicField(this, "xmlKeys", {
      val: "w:val",
      color: "w:color",
      fill: "w:fill",
      space: "w:space",
      sz: "w:sz",
      type: "w:type",
      rsidR: "w:rsidR",
      rsidRPr: "w:rsidRPr",
      rsidSect: "w:rsidSect",
      w: "w:w",
      h: "w:h",
      top: "w:top",
      right: "w:right",
      bottom: "w:bottom",
      left: "w:left",
      header: "w:header",
      footer: "w:footer",
      gutter: "w:gutter",
      linePitch: "w:linePitch",
      pos: "w:pos"
    });
  }
}
var commonjsGlobal = typeof globalThis !== "undefined" ? globalThis : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : {};
function getDefaultExportFromCjs$1(x) {
  return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, "default") ? x["default"] : x;
}
var sax = {};
var events = { exports: {} };
var hasRequiredEvents;
function requireEvents() {
  if (hasRequiredEvents) return events.exports;
  hasRequiredEvents = 1;
  var R = typeof Reflect === "object" ? Reflect : null;
  var ReflectApply = R && typeof R.apply === "function" ? R.apply : function ReflectApply2(target, receiver, args) {
    return Function.prototype.apply.call(target, receiver, args);
  };
  var ReflectOwnKeys;
  if (R && typeof R.ownKeys === "function") {
    ReflectOwnKeys = R.ownKeys;
  } else if (Object.getOwnPropertySymbols) {
    ReflectOwnKeys = function ReflectOwnKeys2(target) {
      return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target));
    };
  } else {
    ReflectOwnKeys = function ReflectOwnKeys2(target) {
      return Object.getOwnPropertyNames(target);
    };
  }
  function ProcessEmitWarning(warning) {
    if (console && console.warn) console.warn(warning);
  }
  var NumberIsNaN = Number.isNaN || function NumberIsNaN2(value) {
    return value !== value;
  };
  function EventEmitter() {
    EventEmitter.init.call(this);
  }
  events.exports = EventEmitter;
  events.exports.once = once;
  EventEmitter.EventEmitter = EventEmitter;
  EventEmitter.prototype._events = void 0;
  EventEmitter.prototype._eventsCount = 0;
  EventEmitter.prototype._maxListeners = void 0;
  var defaultMaxListeners = 10;
  function checkListener(listener) {
    if (typeof listener !== "function") {
      throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
    }
  }
  Object.defineProperty(EventEmitter, "defaultMaxListeners", {
    enumerable: true,
    get: function() {
      return defaultMaxListeners;
    },
    set: function(arg) {
      if (typeof arg !== "number" || arg < 0 || NumberIsNaN(arg)) {
        throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + ".");
      }
      defaultMaxListeners = arg;
    }
  });
  EventEmitter.init = function() {
    if (this._events === void 0 || this._events === Object.getPrototypeOf(this)._events) {
      this._events = /* @__PURE__ */ Object.create(null);
      this._eventsCount = 0;
    }
    this._maxListeners = this._maxListeners || void 0;
  };
  EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
    if (typeof n !== "number" || n < 0 || NumberIsNaN(n)) {
      throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + ".");
    }
    this._maxListeners = n;
    return this;
  };
  function _getMaxListeners(that) {
    if (that._maxListeners === void 0)
      return EventEmitter.defaultMaxListeners;
    return that._maxListeners;
  }
  EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
    return _getMaxListeners(this);
  };
  EventEmitter.prototype.emit = function emit(type2) {
    var args = [];
    for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
    var doError = type2 === "error";
    var events2 = this._events;
    if (events2 !== void 0)
      doError = doError && events2.error === void 0;
    else if (!doError)
      return false;
    if (doError) {
      var er;
      if (args.length > 0)
        er = args[0];
      if (er instanceof Error) {
        throw er;
      }
      var err = new Error("Unhandled error." + (er ? " (" + er.message + ")" : ""));
      err.context = er;
      throw err;
    }
    var handler = events2[type2];
    if (handler === void 0)
      return false;
    if (typeof handler === "function") {
      ReflectApply(handler, this, args);
    } else {
      var len = handler.length;
      var listeners = arrayClone(handler, len);
      for (var i = 0; i < len; ++i)
        ReflectApply(listeners[i], this, args);
    }
    return true;
  };
  function _addListener(target, type2, listener, prepend) {
    var m;
    var events2;
    var existing;
    checkListener(listener);
    events2 = target._events;
    if (events2 === void 0) {
      events2 = target._events = /* @__PURE__ */ Object.create(null);
      target._eventsCount = 0;
    } else {
      if (events2.newListener !== void 0) {
        target.emit(
          "newListener",
          type2,
          listener.listener ? listener.listener : listener
        );
        events2 = target._events;
      }
      existing = events2[type2];
    }
    if (existing === void 0) {
      existing = events2[type2] = listener;
      ++target._eventsCount;
    } else {
      if (typeof existing === "function") {
        existing = events2[type2] = prepend ? [listener, existing] : [existing, listener];
      } else if (prepend) {
        existing.unshift(listener);
      } else {
        existing.push(listener);
      }
      m = _getMaxListeners(target);
      if (m > 0 && existing.length > m && !existing.warned) {
        existing.warned = true;
        var w = new Error("Possible EventEmitter memory leak detected. " + existing.length + " " + String(type2) + " listeners added. Use emitter.setMaxListeners() to increase limit");
        w.name = "MaxListenersExceededWarning";
        w.emitter = target;
        w.type = type2;
        w.count = existing.length;
        ProcessEmitWarning(w);
      }
    }
    return target;
  }
  EventEmitter.prototype.addListener = function addListener(type2, listener) {
    return _addListener(this, type2, listener, false);
  };
  EventEmitter.prototype.on = EventEmitter.prototype.addListener;
  EventEmitter.prototype.prependListener = function prependListener(type2, listener) {
    return _addListener(this, type2, listener, true);
  };
  function onceWrapper() {
    if (!this.fired) {
      this.target.removeListener(this.type, this.wrapFn);
      this.fired = true;
      if (arguments.length === 0)
        return this.listener.call(this.target);
      return this.listener.apply(this.target, arguments);
    }
  }
  function _onceWrap(target, type2, listener) {
    var state2 = { fired: false, wrapFn: void 0, target, type: type2, listener };
    var wrapped = onceWrapper.bind(state2);
    wrapped.listener = listener;
    state2.wrapFn = wrapped;
    return wrapped;
  }
  EventEmitter.prototype.once = function once2(type2, listener) {
    checkListener(listener);
    this.on(type2, _onceWrap(this, type2, listener));
    return this;
  };
  EventEmitter.prototype.prependOnceListener = function prependOnceListener(type2, listener) {
    checkListener(listener);
    this.prependListener(type2, _onceWrap(this, type2, listener));
    return this;
  };
  EventEmitter.prototype.removeListener = function removeListener(type2, listener) {
    var list, events2, position, i, originalListener;
    checkListener(listener);
    events2 = this._events;
    if (events2 === void 0)
      return this;
    list = events2[type2];
    if (list === void 0)
      return this;
    if (list === listener || list.listener === listener) {
      if (--this._eventsCount === 0)
        this._events = /* @__PURE__ */ Object.create(null);
      else {
        delete events2[type2];
        if (events2.removeListener)
          this.emit("removeListener", type2, list.listener || listener);
      }
    } else if (typeof list !== "function") {
      position = -1;
      for (i = list.length - 1; i >= 0; i--) {
        if (list[i] === listener || list[i].listener === listener) {
          originalListener = list[i].listener;
          position = i;
          break;
        }
      }
      if (position < 0)
        return this;
      if (position === 0)
        list.shift();
      else {
        spliceOne(list, position);
      }
      if (list.length === 1)
        events2[type2] = list[0];
      if (events2.removeListener !== void 0)
        this.emit("removeListener", type2, originalListener || listener);
    }
    return this;
  };
  EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
  EventEmitter.prototype.removeAllListeners = function removeAllListeners(type2) {
    var listeners, events2, i;
    events2 = this._events;
    if (events2 === void 0)
      return this;
    if (events2.removeListener === void 0) {
      if (arguments.length === 0) {
        this._events = /* @__PURE__ */ Object.create(null);
        this._eventsCount = 0;
      } else if (events2[type2] !== void 0) {
        if (--this._eventsCount === 0)
          this._events = /* @__PURE__ */ Object.create(null);
        else
          delete events2[type2];
      }
      return this;
    }
    if (arguments.length === 0) {
      var keys = Object.keys(events2);
      var key;
      for (i = 0; i < keys.length; ++i) {
        key = keys[i];
        if (key === "removeListener") continue;
        this.removeAllListeners(key);
      }
      this.removeAllListeners("removeListener");
      this._events = /* @__PURE__ */ Object.create(null);
      this._eventsCount = 0;
      return this;
    }
    listeners = events2[type2];
    if (typeof listeners === "function") {
      this.removeListener(type2, listeners);
    } else if (listeners !== void 0) {
      for (i = listeners.length - 1; i >= 0; i--) {
        this.removeListener(type2, listeners[i]);
      }
    }
    return this;
  };
  function _listeners(target, type2, unwrap) {
    var events2 = target._events;
    if (events2 === void 0)
      return [];
    var evlistener = events2[type2];
    if (evlistener === void 0)
      return [];
    if (typeof evlistener === "function")
      return unwrap ? [evlistener.listener || evlistener] : [evlistener];
    return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
  }
  EventEmitter.prototype.listeners = function listeners(type2) {
    return _listeners(this, type2, true);
  };
  EventEmitter.prototype.rawListeners = function rawListeners(type2) {
    return _listeners(this, type2, false);
  };
  EventEmitter.listenerCount = function(emitter, type2) {
    if (typeof emitter.listenerCount === "function") {
      return emitter.listenerCount(type2);
    } else {
      return listenerCount.call(emitter, type2);
    }
  };
  EventEmitter.prototype.listenerCount = listenerCount;
  function listenerCount(type2) {
    var events2 = this._events;
    if (events2 !== void 0) {
      var evlistener = events2[type2];
      if (typeof evlistener === "function") {
        return 1;
      } else if (evlistener !== void 0) {
        return evlistener.length;
      }
    }
    return 0;
  }
  EventEmitter.prototype.eventNames = function eventNames() {
    return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
  };
  function arrayClone(arr, n) {
    var copy = new Array(n);
    for (var i = 0; i < n; ++i)
      copy[i] = arr[i];
    return copy;
  }
  function spliceOne(list, index) {
    for (; index + 1 < list.length; index++)
      list[index] = list[index + 1];
    list.pop();
  }
  function unwrapListeners(arr) {
    var ret = new Array(arr.length);
    for (var i = 0; i < ret.length; ++i) {
      ret[i] = arr[i].listener || arr[i];
    }
    return ret;
  }
  function once(emitter, name) {
    return new Promise(function(resolve, reject) {
      function errorListener(err) {
        emitter.removeListener(name, resolver);
        reject(err);
      }
      function resolver() {
        if (typeof emitter.removeListener === "function") {
          emitter.removeListener("error", errorListener);
        }
        resolve([].slice.call(arguments));
      }
      eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
      if (name !== "error") {
        addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
      }
    });
  }
  function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
    if (typeof emitter.on === "function") {
      eventTargetAgnosticAddListener(emitter, "error", handler, flags);
    }
  }
  function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
    if (typeof emitter.on === "function") {
      if (flags.once) {
        emitter.once(name, listener);
      } else {
        emitter.on(name, listener);
      }
    } else if (typeof emitter.addEventListener === "function") {
      emitter.addEventListener(name, function wrapListener(arg) {
        if (flags.once) {
          emitter.removeEventListener(name, wrapListener);
        }
        listener(arg);
      });
    } else {
      throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter);
    }
  }
  return events.exports;
}
var inherits_browser = { exports: {} };
var hasRequiredInherits_browser;
function requireInherits_browser() {
  if (hasRequiredInherits_browser) return inherits_browser.exports;
  hasRequiredInherits_browser = 1;
  if (typeof Object.create === "function") {
    inherits_browser.exports = function inherits(ctor, superCtor) {
      if (superCtor) {
        ctor.super_ = superCtor;
        ctor.prototype = Object.create(superCtor.prototype, {
          constructor: {
            value: ctor,
            enumerable: false,
            writable: true,
            configurable: true
          }
        });
      }
    };
  } else {
    inherits_browser.exports = function inherits(ctor, superCtor) {
      if (superCtor) {
        ctor.super_ = superCtor;
        var TempCtor = function() {
        };
        TempCtor.prototype = superCtor.prototype;
        ctor.prototype = new TempCtor();
        ctor.prototype.constructor = ctor;
      }
    };
  }
  return inherits_browser.exports;
}
function getDefaultExportFromCjs(x) {
  return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, "default") ? x["default"] : x;
}
var browser$1 = { exports: {} };
var process = browser$1.exports = {};
var cachedSetTimeout;
var cachedClearTimeout;
function defaultSetTimout() {
  throw new Error("setTimeout has not been defined");
}
function defaultClearTimeout() {
  throw new Error("clearTimeout has not been defined");
}
(function() {
  try {
    if (typeof setTimeout === "function") {
      cachedSetTimeout = setTimeout;
    } else {
      cachedSetTimeout = defaultSetTimout;
    }
  } catch (e) {
    cachedSetTimeout = defaultSetTimout;
  }
  try {
    if (typeof clearTimeout === "function") {
      cachedClearTimeout = clearTimeout;
    } else {
      cachedClearTimeout = defaultClearTimeout;
    }
  } catch (e) {
    cachedClearTimeout = defaultClearTimeout;
  }
})();
function runTimeout(fun) {
  if (cachedSetTimeout === setTimeout) {
    return setTimeout(fun, 0);
  }
  if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
    cachedSetTimeout = setTimeout;
    return setTimeout(fun, 0);
  }
  try {
    return cachedSetTimeout(fun, 0);
  } catch (e) {
    try {
      return cachedSetTimeout.call(null, fun, 0);
    } catch (e2) {
      return cachedSetTimeout.call(this, fun, 0);
    }
  }
}
function runClearTimeout(marker) {
  if (cachedClearTimeout === clearTimeout) {
    return clearTimeout(marker);
  }
  if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
    cachedClearTimeout = clearTimeout;
    return clearTimeout(marker);
  }
  try {
    return cachedClearTimeout(marker);
  } catch (e) {
    try {
      return cachedClearTimeout.call(null, marker);
    } catch (e2) {
      return cachedClearTimeout.call(this, marker);
    }
  }
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
  if (!draining || !currentQueue) {
    return;
  }
  draining = false;
  if (currentQueue.length) {
    queue = currentQueue.concat(queue);
  } else {
    queueIndex = -1;
  }
  if (queue.length) {
    drainQueue();
  }
}
function drainQueue() {
  if (draining) {
    return;
  }
  var timeout = runTimeout(cleanUpNextTick);
  draining = true;
  var len = queue.length;
  while (len) {
    currentQueue = queue;
    queue = [];
    while (++queueIndex < len) {
      if (currentQueue) {
        currentQueue[queueIndex].run();
      }
    }
    queueIndex = -1;
    len = queue.length;
  }
  currentQueue = null;
  draining = false;
  runClearTimeout(timeout);
}
process.nextTick = function(fun) {
  var args = new Array(arguments.length - 1);
  if (arguments.length > 1) {
    for (var i = 1; i < arguments.length; i++) {
      args[i - 1] = arguments[i];
    }
  }
  queue.push(new Item(fun, args));
  if (queue.length === 1 && !draining) {
    runTimeout(drainQueue);
  }
};
function Item(fun, array) {
  this.fun = fun;
  this.array = array;
}
Item.prototype.run = function() {
  this.fun.apply(null, this.array);
};
process.title = "browser";
process.browser = true;
process.env = {};
process.argv = [];
process.version = "";
process.versions = {};
function noop() {
}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;
process.listeners = function(name) {
  return [];
};
process.binding = function(name) {
  throw new Error("process.binding is not supported");
};
process.cwd = function() {
  return "/";
};
process.chdir = function(dir) {
  throw new Error("process.chdir is not supported");
};
process.umask = function() {
  return 0;
};
var browserExports = browser$1.exports;
const process$1 = /* @__PURE__ */ getDefaultExportFromCjs(browserExports);
var streamBrowser;
var hasRequiredStreamBrowser;
function requireStreamBrowser() {
  if (hasRequiredStreamBrowser) return streamBrowser;
  hasRequiredStreamBrowser = 1;
  streamBrowser = requireEvents().EventEmitter;
  return streamBrowser;
}
var buffer = {};
var base64Js = {};
var hasRequiredBase64Js;
function requireBase64Js() {
  if (hasRequiredBase64Js) return base64Js;
  hasRequiredBase64Js = 1;
  base64Js.byteLength = byteLength;
  base64Js.toByteArray = toByteArray;
  base64Js.fromByteArray = fromByteArray;
  var lookup = [];
  var revLookup = [];
  var Arr = typeof Uint8Array !== "undefined" ? Uint8Array : Array;
  var code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  for (var i = 0, len = code.length; i < len; ++i) {
    lookup[i] = code[i];
    revLookup[code.charCodeAt(i)] = i;
  }
  revLookup["-".charCodeAt(0)] = 62;
  revLookup["_".charCodeAt(0)] = 63;
  function getLens(b64) {
    var len2 = b64.length;
    if (len2 % 4 > 0) {
      throw new Error("Invalid string. Length must be a multiple of 4");
    }
    var validLen = b64.indexOf("=");
    if (validLen === -1) validLen = len2;
    var placeHoldersLen = validLen === len2 ? 0 : 4 - validLen % 4;
    return [validLen, placeHoldersLen];
  }
  function byteLength(b64) {
    var lens = getLens(b64);
    var validLen = lens[0];
    var placeHoldersLen = lens[1];
    return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
  }
  function _byteLength(b64, validLen, placeHoldersLen) {
    return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
  }
  function toByteArray(b64) {
    var tmp;
    var lens = getLens(b64);
    var validLen = lens[0];
    var placeHoldersLen = lens[1];
    var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
    var curByte = 0;
    var len2 = placeHoldersLen > 0 ? validLen - 4 : validLen;
    var i2;
    for (i2 = 0; i2 < len2; i2 += 4) {
      tmp = revLookup[b64.charCodeAt(i2)] << 18 | revLookup[b64.charCodeAt(i2 + 1)] << 12 | revLookup[b64.charCodeAt(i2 + 2)] << 6 | revLookup[b64.charCodeAt(i2 + 3)];
      arr[curByte++] = tmp >> 16 & 255;
      arr[curByte++] = tmp >> 8 & 255;
      arr[curByte++] = tmp & 255;
    }
    if (placeHoldersLen === 2) {
      tmp = revLookup[b64.charCodeAt(i2)] << 2 | revLookup[b64.charCodeAt(i2 + 1)] >> 4;
      arr[curByte++] = tmp & 255;
    }
    if (placeHoldersLen === 1) {
      tmp = revLookup[b64.charCodeAt(i2)] << 10 | revLookup[b64.charCodeAt(i2 + 1)] << 4 | revLookup[b64.charCodeAt(i2 + 2)] >> 2;
      arr[curByte++] = tmp >> 8 & 255;
      arr[curByte++] = tmp & 255;
    }
    return arr;
  }
  function tripletToBase64(num) {
    return lookup[num >> 18 & 63] + lookup[num >> 12 & 63] + lookup[num >> 6 & 63] + lookup[num & 63];
  }
  function encodeChunk(uint8, start, end) {
    var tmp;
    var output = [];
    for (var i2 = start; i2 < end; i2 += 3) {
      tmp = (uint8[i2] << 16 & 16711680) + (uint8[i2 + 1] << 8 & 65280) + (uint8[i2 + 2] & 255);
      output.push(tripletToBase64(tmp));
    }
    return output.join("");
  }
  function fromByteArray(uint8) {
    var tmp;
    var len2 = uint8.length;
    var extraBytes = len2 % 3;
    var parts = [];
    var maxChunkLength = 16383;
    for (var i2 = 0, len22 = len2 - extraBytes; i2 < len22; i2 += maxChunkLength) {
      parts.push(encodeChunk(uint8, i2, i2 + maxChunkLength > len22 ? len22 : i2 + maxChunkLength));
    }
    if (extraBytes === 1) {
      tmp = uint8[len2 - 1];
      parts.push(
        lookup[tmp >> 2] + lookup[tmp << 4 & 63] + "=="
      );
    } else if (extraBytes === 2) {
      tmp = (uint8[len2 - 2] << 8) + uint8[len2 - 1];
      parts.push(
        lookup[tmp >> 10] + lookup[tmp >> 4 & 63] + lookup[tmp << 2 & 63] + "="
      );
    }
    return parts.join("");
  }
  return base64Js;
}
var ieee754 = {};
/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
var hasRequiredIeee754;
function requireIeee754() {
  if (hasRequiredIeee754) return ieee754;
  hasRequiredIeee754 = 1;
  ieee754.read = function(buffer2, offset, isLE, mLen, nBytes) {
    var e, m;
    var eLen = nBytes * 8 - mLen - 1;
    var eMax = (1 << eLen) - 1;
    var eBias = eMax >> 1;
    var nBits = -7;
    var i = isLE ? nBytes - 1 : 0;
    var d = isLE ? -1 : 1;
    var s = buffer2[offset + i];
    i += d;
    e = s & (1 << -nBits) - 1;
    s >>= -nBits;
    nBits += eLen;
    for (; nBits > 0; e = e * 256 + buffer2[offset + i], i += d, nBits -= 8) {
    }
    m = e & (1 << -nBits) - 1;
    e >>= -nBits;
    nBits += mLen;
    for (; nBits > 0; m = m * 256 + buffer2[offset + i], i += d, nBits -= 8) {
    }
    if (e === 0) {
      e = 1 - eBias;
    } else if (e === eMax) {
      return m ? NaN : (s ? -1 : 1) * Infinity;
    } else {
      m = m + Math.pow(2, mLen);
      e = e - eBias;
    }
    return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
  };
  ieee754.write = function(buffer2, value, offset, isLE, mLen, nBytes) {
    var e, m, c;
    var eLen = nBytes * 8 - mLen - 1;
    var eMax = (1 << eLen) - 1;
    var eBias = eMax >> 1;
    var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
    var i = isLE ? 0 : nBytes - 1;
    var d = isLE ? 1 : -1;
    var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
    value = Math.abs(value);
    if (isNaN(value) || value === Infinity) {
      m = isNaN(value) ? 1 : 0;
      e = eMax;
    } else {
      e = Math.floor(Math.log(value) / Math.LN2);
      if (value * (c = Math.pow(2, -e)) < 1) {
        e--;
        c *= 2;
      }
      if (e + eBias >= 1) {
        value += rt / c;
      } else {
        value += rt * Math.pow(2, 1 - eBias);
      }
      if (value * c >= 2) {
        e++;
        c /= 2;
      }
      if (e + eBias >= eMax) {
        m = 0;
        e = eMax;
      } else if (e + eBias >= 1) {
        m = (value * c - 1) * Math.pow(2, mLen);
        e = e + eBias;
      } else {
        m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
        e = 0;
      }
    }
    for (; mLen >= 8; buffer2[offset + i] = m & 255, i += d, m /= 256, mLen -= 8) {
    }
    e = e << mLen | m;
    eLen += mLen;
    for (; eLen > 0; buffer2[offset + i] = e & 255, i += d, e /= 256, eLen -= 8) {
    }
    buffer2[offset + i - d] |= s * 128;
  };
  return ieee754;
}
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */
var hasRequiredBuffer;
function requireBuffer() {
  if (hasRequiredBuffer) return buffer;
  hasRequiredBuffer = 1;
  (function(exports2) {
    var base64 = requireBase64Js();
    var ieee7542 = requireIeee754();
    var customInspectSymbol = typeof Symbol === "function" && typeof Symbol["for"] === "function" ? Symbol["for"]("nodejs.util.inspect.custom") : null;
    exports2.Buffer = Buffer2;
    exports2.SlowBuffer = SlowBuffer;
    exports2.INSPECT_MAX_BYTES = 50;
    var K_MAX_LENGTH = 2147483647;
    exports2.kMaxLength = K_MAX_LENGTH;
    Buffer2.TYPED_ARRAY_SUPPORT = typedArraySupport();
    if (!Buffer2.TYPED_ARRAY_SUPPORT && typeof console !== "undefined" && typeof console.error === "function") {
      console.error(
        "This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."
      );
    }
    function typedArraySupport() {
      try {
        var arr = new Uint8Array(1);
        var proto = { foo: function() {
          return 42;
        } };
        Object.setPrototypeOf(proto, Uint8Array.prototype);
        Object.setPrototypeOf(arr, proto);
        return arr.foo() === 42;
      } catch (e) {
        return false;
      }
    }
    Object.defineProperty(Buffer2.prototype, "parent", {
      enumerable: true,
      get: function() {
        if (!Buffer2.isBuffer(this)) return void 0;
        return this.buffer;
      }
    });
    Object.defineProperty(Buffer2.prototype, "offset", {
      enumerable: true,
      get: function() {
        if (!Buffer2.isBuffer(this)) return void 0;
        return this.byteOffset;
      }
    });
    function createBuffer(length) {
      if (length > K_MAX_LENGTH) {
        throw new RangeError('The value "' + length + '" is invalid for option "size"');
      }
      var buf = new Uint8Array(length);
      Object.setPrototypeOf(buf, Buffer2.prototype);
      return buf;
    }
    function Buffer2(arg, encodingOrOffset, length) {
      if (typeof arg === "number") {
        if (typeof encodingOrOffset === "string") {
          throw new TypeError(
            'The "string" argument must be of type string. Received type number'
          );
        }
        return allocUnsafe(arg);
      }
      return from(arg, encodingOrOffset, length);
    }
    Buffer2.poolSize = 8192;
    function from(value, encodingOrOffset, length) {
      if (typeof value === "string") {
        return fromString(value, encodingOrOffset);
      }
      if (ArrayBuffer.isView(value)) {
        return fromArrayView(value);
      }
      if (value == null) {
        throw new TypeError(
          "The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof value
        );
      }
      if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) {
        return fromArrayBuffer(value, encodingOrOffset, length);
      }
      if (typeof SharedArrayBuffer !== "undefined" && (isInstance(value, SharedArrayBuffer) || value && isInstance(value.buffer, SharedArrayBuffer))) {
        return fromArrayBuffer(value, encodingOrOffset, length);
      }
      if (typeof value === "number") {
        throw new TypeError(
          'The "value" argument must not be of type number. Received type number'
        );
      }
      var valueOf = value.valueOf && value.valueOf();
      if (valueOf != null && valueOf !== value) {
        return Buffer2.from(valueOf, encodingOrOffset, length);
      }
      var b = fromObject(value);
      if (b) return b;
      if (typeof Symbol !== "undefined" && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === "function") {
        return Buffer2.from(
          value[Symbol.toPrimitive]("string"),
          encodingOrOffset,
          length
        );
      }
      throw new TypeError(
        "The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof value
      );
    }
    Buffer2.from = function(value, encodingOrOffset, length) {
      return from(value, encodingOrOffset, length);
    };
    Object.setPrototypeOf(Buffer2.prototype, Uint8Array.prototype);
    Object.setPrototypeOf(Buffer2, Uint8Array);
    function assertSize(size) {
      if (typeof size !== "number") {
        throw new TypeError('"size" argument must be of type number');
      } else if (size < 0) {
        throw new RangeError('The value "' + size + '" is invalid for option "size"');
      }
    }
    function alloc(size, fill, encoding) {
      assertSize(size);
      if (size <= 0) {
        return createBuffer(size);
      }
      if (fill !== void 0) {
        return typeof encoding === "string" ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill);
      }
      return createBuffer(size);
    }
    Buffer2.alloc = function(size, fill, encoding) {
      return alloc(size, fill, encoding);
    };
    function allocUnsafe(size) {
      assertSize(size);
      return createBuffer(size < 0 ? 0 : checked(size) | 0);
    }
    Buffer2.allocUnsafe = function(size) {
      return allocUnsafe(size);
    };
    Buffer2.allocUnsafeSlow = function(size) {
      return allocUnsafe(size);
    };
    function fromString(string, encoding) {
      if (typeof encoding !== "string" || encoding === "") {
        encoding = "utf8";
      }
      if (!Buffer2.isEncoding(encoding)) {
        throw new TypeError("Unknown encoding: " + encoding);
      }
      var length = byteLength(string, encoding) | 0;
      var buf = createBuffer(length);
      var actual = buf.write(string, encoding);
      if (actual !== length) {
        buf = buf.slice(0, actual);
      }
      return buf;
    }
    function fromArrayLike(array) {
      var length = array.length < 0 ? 0 : checked(array.length) | 0;
      var buf = createBuffer(length);
      for (var i = 0; i < length; i += 1) {
        buf[i] = array[i] & 255;
      }
      return buf;
    }
    function fromArrayView(arrayView) {
      if (isInstance(arrayView, Uint8Array)) {
        var copy = new Uint8Array(arrayView);
        return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength);
      }
      return fromArrayLike(arrayView);
    }
    function fromArrayBuffer(array, byteOffset, length) {
      if (byteOffset < 0 || array.byteLength < byteOffset) {
        throw new RangeError('"offset" is outside of buffer bounds');
      }
      if (array.byteLength < byteOffset + (length || 0)) {
        throw new RangeError('"length" is outside of buffer bounds');
      }
      var buf;
      if (byteOffset === void 0 && length === void 0) {
        buf = new Uint8Array(array);
      } else if (length === void 0) {
        buf = new Uint8Array(array, byteOffset);
      } else {
        buf = new Uint8Array(array, byteOffset, length);
      }
      Object.setPrototypeOf(buf, Buffer2.prototype);
      return buf;
    }
    function fromObject(obj) {
      if (Buffer2.isBuffer(obj)) {
        var len = checked(obj.length) | 0;
        var buf = createBuffer(len);
        if (buf.length === 0) {
          return buf;
        }
        obj.copy(buf, 0, 0, len);
        return buf;
      }
      if (obj.length !== void 0) {
        if (typeof obj.length !== "number" || numberIsNaN(obj.length)) {
          return createBuffer(0);
        }
        return fromArrayLike(obj);
      }
      if (obj.type === "Buffer" && Array.isArray(obj.data)) {
        return fromArrayLike(obj.data);
      }
    }
    function checked(length) {
      if (length >= K_MAX_LENGTH) {
        throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x" + K_MAX_LENGTH.toString(16) + " bytes");
      }
      return length | 0;
    }
    function SlowBuffer(length) {
      if (+length != length) {
        length = 0;
      }
      return Buffer2.alloc(+length);
    }
    Buffer2.isBuffer = function isBuffer(b) {
      return b != null && b._isBuffer === true && b !== Buffer2.prototype;
    };
    Buffer2.compare = function compare(a, b) {
      if (isInstance(a, Uint8Array)) a = Buffer2.from(a, a.offset, a.byteLength);
      if (isInstance(b, Uint8Array)) b = Buffer2.from(b, b.offset, b.byteLength);
      if (!Buffer2.isBuffer(a) || !Buffer2.isBuffer(b)) {
        throw new TypeError(
          'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
        );
      }
      if (a === b) return 0;
      var x = a.length;
      var y = b.length;
      for (var i = 0, len = Math.min(x, y); i < len; ++i) {
        if (a[i] !== b[i]) {
          x = a[i];
          y = b[i];
          break;
        }
      }
      if (x < y) return -1;
      if (y < x) return 1;
      return 0;
    };
    Buffer2.isEncoding = function isEncoding(encoding) {
      switch (String(encoding).toLowerCase()) {
        case "hex":
        case "utf8":
        case "utf-8":
        case "ascii":
        case "latin1":
        case "binary":
        case "base64":
        case "ucs2":
        case "ucs-2":
        case "utf16le":
        case "utf-16le":
          return true;
        default:
          return false;
      }
    };
    Buffer2.concat = function concat(list, length) {
      if (!Array.isArray(list)) {
        throw new TypeError('"list" argument must be an Array of Buffers');
      }
      if (list.length === 0) {
        return Buffer2.alloc(0);
      }
      var i;
      if (length === void 0) {
        length = 0;
        for (i = 0; i < list.length; ++i) {
          length += list[i].length;
        }
      }
      var buffer2 = Buffer2.allocUnsafe(length);
      var pos = 0;
      for (i = 0; i < list.length; ++i) {
        var buf = list[i];
        if (isInstance(buf, Uint8Array)) {
          if (pos + buf.length > buffer2.length) {
            Buffer2.from(buf).copy(buffer2, pos);
          } else {
            Uint8Array.prototype.set.call(
              buffer2,
              buf,
              pos
            );
          }
        } else if (!Buffer2.isBuffer(buf)) {
          throw new TypeError('"list" argument must be an Array of Buffers');
        } else {
          buf.copy(buffer2, pos);
        }
        pos += buf.length;
      }
      return buffer2;
    };
    function byteLength(string, encoding) {
      if (Buffer2.isBuffer(string)) {
        return string.length;
      }
      if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
        return string.byteLength;
      }
      if (typeof string !== "string") {
        throw new TypeError(
          'The "string" argument must be one of type string, Buffer, or ArrayBuffer. Received type ' + typeof string
        );
      }
      var len = string.length;
      var mustMatch = arguments.length > 2 && arguments[2] === true;
      if (!mustMatch && len === 0) return 0;
      var loweredCase = false;
      for (; ; ) {
        switch (encoding) {
          case "ascii":
          case "latin1":
          case "binary":
            return len;
          case "utf8":
          case "utf-8":
            return utf8ToBytes(string).length;
          case "ucs2":
          case "ucs-2":
          case "utf16le":
          case "utf-16le":
            return len * 2;
          case "hex":
            return len >>> 1;
          case "base64":
            return base64ToBytes(string).length;
          default:
            if (loweredCase) {
              return mustMatch ? -1 : utf8ToBytes(string).length;
            }
            encoding = ("" + encoding).toLowerCase();
            loweredCase = true;
        }
      }
    }
    Buffer2.byteLength = byteLength;
    function slowToString(encoding, start, end) {
      var loweredCase = false;
      if (start === void 0 || start < 0) {
        start = 0;
      }
      if (start > this.length) {
        return "";
      }
      if (end === void 0 || end > this.length) {
        end = this.length;
      }
      if (end <= 0) {
        return "";
      }
      end >>>= 0;
      start >>>= 0;
      if (end <= start) {
        return "";
      }
      if (!encoding) encoding = "utf8";
      while (true) {
        switch (encoding) {
          case "hex":
            return hexSlice(this, start, end);
          case "utf8":
          case "utf-8":
            return utf8Slice(this, start, end);
          case "ascii":
            return asciiSlice(this, start, end);
          case "latin1":
          case "binary":
            return latin1Slice(this, start, end);
          case "base64":
            return base64Slice(this, start, end);
          case "ucs2":
          case "ucs-2":
          case "utf16le":
          case "utf-16le":
            return utf16leSlice(this, start, end);
          default:
            if (loweredCase) throw new TypeError("Unknown encoding: " + encoding);
            encoding = (encoding + "").toLowerCase();
            loweredCase = true;
        }
      }
    }
    Buffer2.prototype._isBuffer = true;
    function swap(b, n, m) {
      var i = b[n];
      b[n] = b[m];
      b[m] = i;
    }
    Buffer2.prototype.swap16 = function swap16() {
      var len = this.length;
      if (len % 2 !== 0) {
        throw new RangeError("Buffer size must be a multiple of 16-bits");
      }
      for (var i = 0; i < len; i += 2) {
        swap(this, i, i + 1);
      }
      return this;
    };
    Buffer2.prototype.swap32 = function swap32() {
      var len = this.length;
      if (len % 4 !== 0) {
        throw new RangeError("Buffer size must be a multiple of 32-bits");
      }
      for (var i = 0; i < len; i += 4) {
        swap(this, i, i + 3);
        swap(this, i + 1, i + 2);
      }
      return this;
    };
    Buffer2.prototype.swap64 = function swap64() {
      var len = this.length;
      if (len % 8 !== 0) {
        throw new RangeError("Buffer size must be a multiple of 64-bits");
      }
      for (var i = 0; i < len; i += 8) {
        swap(this, i, i + 7);
        swap(this, i + 1, i + 6);
        swap(this, i + 2, i + 5);
        swap(this, i + 3, i + 4);
      }
      return this;
    };
    Buffer2.prototype.toString = function toString() {
      var length = this.length;
      if (length === 0) return "";
      if (arguments.length === 0) return utf8Slice(this, 0, length);
      return slowToString.apply(this, arguments);
    };
    Buffer2.prototype.toLocaleString = Buffer2.prototype.toString;
    Buffer2.prototype.equals = function equals(b) {
      if (!Buffer2.isBuffer(b)) throw new TypeError("Argument must be a Buffer");
      if (this === b) return true;
      return Buffer2.compare(this, b) === 0;
    };
    Buffer2.prototype.inspect = function inspect() {
      var str = "";
      var max = exports2.INSPECT_MAX_BYTES;
      str = this.toString("hex", 0, max).replace(/(.{2})/g, "$1 ").trim();
      if (this.length > max) str += " ... ";
      return "<Buffer " + str + ">";
    };
    if (customInspectSymbol) {
      Buffer2.prototype[customInspectSymbol] = Buffer2.prototype.inspect;
    }
    Buffer2.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
      if (isInstance(target, Uint8Array)) {
        target = Buffer2.from(target, target.offset, target.byteLength);
      }
      if (!Buffer2.isBuffer(target)) {
        throw new TypeError(
          'The "target" argument must be one of type Buffer or Uint8Array. Received type ' + typeof target
        );
      }
      if (start === void 0) {
        start = 0;
      }
      if (end === void 0) {
        end = target ? target.length : 0;
      }
      if (thisStart === void 0) {
        thisStart = 0;
      }
      if (thisEnd === void 0) {
        thisEnd = this.length;
      }
      if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
        throw new RangeError("out of range index");
      }
      if (thisStart >= thisEnd && start >= end) {
        return 0;
      }
      if (thisStart >= thisEnd) {
        return -1;
      }
      if (start >= end) {
        return 1;
      }
      start >>>= 0;
      end >>>= 0;
      thisStart >>>= 0;
      thisEnd >>>= 0;
      if (this === target) return 0;
      var x = thisEnd - thisStart;
      var y = end - start;
      var len = Math.min(x, y);
      var thisCopy = this.slice(thisStart, thisEnd);
      var targetCopy = target.slice(start, end);
      for (var i = 0; i < len; ++i) {
        if (thisCopy[i] !== targetCopy[i]) {
          x = thisCopy[i];
          y = targetCopy[i];
          break;
        }
      }
      if (x < y) return -1;
      if (y < x) return 1;
      return 0;
    };
    function bidirectionalIndexOf(buffer2, val, byteOffset, encoding, dir) {
      if (buffer2.length === 0) return -1;
      if (typeof byteOffset === "string") {
        encoding = byteOffset;
        byteOffset = 0;
      } else if (byteOffset > 2147483647) {
        byteOffset = 2147483647;
      } else if (byteOffset < -2147483648) {
        byteOffset = -2147483648;
      }
      byteOffset = +byteOffset;
      if (numberIsNaN(byteOffset)) {
        byteOffset = dir ? 0 : buffer2.length - 1;
      }
      if (byteOffset < 0) byteOffset = buffer2.length + byteOffset;
      if (byteOffset >= buffer2.length) {
        if (dir) return -1;
        else byteOffset = buffer2.length - 1;
      } else if (byteOffset < 0) {
        if (dir) byteOffset = 0;
        else return -1;
      }
      if (typeof val === "string") {
        val = Buffer2.from(val, encoding);
      }
      if (Buffer2.isBuffer(val)) {
        if (val.length === 0) {
          return -1;
        }
        return arrayIndexOf(buffer2, val, byteOffset, encoding, dir);
      } else if (typeof val === "number") {
        val = val & 255;
        if (typeof Uint8Array.prototype.indexOf === "function") {
          if (dir) {
            return Uint8Array.prototype.indexOf.call(buffer2, val, byteOffset);
          } else {
            return Uint8Array.prototype.lastIndexOf.call(buffer2, val, byteOffset);
          }
        }
        return arrayIndexOf(buffer2, [val], byteOffset, encoding, dir);
      }
      throw new TypeError("val must be string, number or Buffer");
    }
    function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
      var indexSize = 1;
      var arrLength = arr.length;
      var valLength = val.length;
      if (encoding !== void 0) {
        encoding = String(encoding).toLowerCase();
        if (encoding === "ucs2" || encoding === "ucs-2" || encoding === "utf16le" || encoding === "utf-16le") {
          if (arr.length < 2 || val.length < 2) {
            return -1;
          }
          indexSize = 2;
          arrLength /= 2;
          valLength /= 2;
          byteOffset /= 2;
        }
      }
      function read(buf, i2) {
        if (indexSize === 1) {
          return buf[i2];
        } else {
          return buf.readUInt16BE(i2 * indexSize);
        }
      }
      var i;
      if (dir) {
        var foundIndex = -1;
        for (i = byteOffset; i < arrLength; i++) {
          if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
            if (foundIndex === -1) foundIndex = i;
            if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
          } else {
            if (foundIndex !== -1) i -= i - foundIndex;
            foundIndex = -1;
          }
        }
      } else {
        if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
        for (i = byteOffset; i >= 0; i--) {
          var found = true;
          for (var j = 0; j < valLength; j++) {
            if (read(arr, i + j) !== read(val, j)) {
              found = false;
              break;
            }
          }
          if (found) return i;
        }
      }
      return -1;
    }
    Buffer2.prototype.includes = function includes(val, byteOffset, encoding) {
      return this.indexOf(val, byteOffset, encoding) !== -1;
    };
    Buffer2.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
      return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
    };
    Buffer2.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
      return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
    };
    function hexWrite(buf, string, offset, length) {
      offset = Number(offset) || 0;
      var remaining = buf.length - offset;
      if (!length) {
        length = remaining;
      } else {
        length = Number(length);
        if (length > remaining) {
          length = remaining;
        }
      }
      var strLen = string.length;
      if (length > st