 85bf1341f3
			
		
	
	85bf1341f3
	
	
	
		
			
			Frontend Enhancements: - Complete React TypeScript frontend with modern UI components - Distributed workflows management interface with real-time updates - Socket.IO integration for live agent status monitoring - Agent management dashboard with cluster visualization - Project management interface with metrics and task tracking - Responsive design with proper error handling and loading states Backend Infrastructure: - Distributed coordinator for multi-agent workflow orchestration - Cluster management API with comprehensive agent operations - Enhanced database models for agents and projects - Project service for filesystem-based project discovery - Performance monitoring and metrics collection - Comprehensive API documentation and error handling Documentation: - Complete distributed development guide (README_DISTRIBUTED.md) - Comprehensive development report with architecture insights - System configuration templates and deployment guides The platform now provides a complete web interface for managing the distributed AI cluster with real-time monitoring, workflow orchestration, and agent coordination capabilities. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
		
			
				
	
	
		
			2969 lines
		
	
	
		
			94 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			2969 lines
		
	
	
		
			94 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*!
 | |
|  * Engine.IO v6.6.3
 | |
|  * (c) 2014-2025 Guillermo Rauch
 | |
|  * Released under the MIT License.
 | |
|  */
 | |
| (function (global, factory) {
 | |
|   typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
 | |
|   typeof define === 'function' && define.amd ? define(factory) :
 | |
|   (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.eio = factory());
 | |
| })(this, (function () { 'use strict';
 | |
| 
 | |
|   function _arrayLikeToArray(r, a) {
 | |
|     (null == a || a > r.length) && (a = r.length);
 | |
|     for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e];
 | |
|     return n;
 | |
|   }
 | |
|   function _arrayWithoutHoles(r) {
 | |
|     if (Array.isArray(r)) return _arrayLikeToArray(r);
 | |
|   }
 | |
|   function _construct(t, e, r) {
 | |
|     if (_isNativeReflectConstruct()) return Reflect.construct.apply(null, arguments);
 | |
|     var o = [null];
 | |
|     o.push.apply(o, e);
 | |
|     var p = new (t.bind.apply(t, o))();
 | |
|     return r && _setPrototypeOf(p, r.prototype), p;
 | |
|   }
 | |
|   function _defineProperties(e, r) {
 | |
|     for (var t = 0; t < r.length; t++) {
 | |
|       var o = r[t];
 | |
|       o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o);
 | |
|     }
 | |
|   }
 | |
|   function _createClass(e, r, t) {
 | |
|     return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", {
 | |
|       writable: !1
 | |
|     }), e;
 | |
|   }
 | |
|   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 _getPrototypeOf(t) {
 | |
|     return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) {
 | |
|       return t.__proto__ || Object.getPrototypeOf(t);
 | |
|     }, _getPrototypeOf(t);
 | |
|   }
 | |
|   function _inheritsLoose(t, o) {
 | |
|     t.prototype = Object.create(o.prototype), t.prototype.constructor = t, _setPrototypeOf(t, o);
 | |
|   }
 | |
|   function _isNativeFunction(t) {
 | |
|     try {
 | |
|       return -1 !== Function.toString.call(t).indexOf("[native code]");
 | |
|     } catch (n) {
 | |
|       return "function" == typeof t;
 | |
|     }
 | |
|   }
 | |
|   function _isNativeReflectConstruct() {
 | |
|     try {
 | |
|       var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
 | |
|     } catch (t) {}
 | |
|     return (_isNativeReflectConstruct = function () {
 | |
|       return !!t;
 | |
|     })();
 | |
|   }
 | |
|   function _iterableToArray(r) {
 | |
|     if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r);
 | |
|   }
 | |
|   function _nonIterableSpread() {
 | |
|     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 | |
|   }
 | |
|   function _setPrototypeOf(t, e) {
 | |
|     return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) {
 | |
|       return t.__proto__ = e, t;
 | |
|     }, _setPrototypeOf(t, e);
 | |
|   }
 | |
|   function _toConsumableArray(r) {
 | |
|     return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
 | |
|   }
 | |
|   function _toPrimitive(t, r) {
 | |
|     if ("object" != typeof t || !t) return t;
 | |
|     var e = t[Symbol.toPrimitive];
 | |
|     if (void 0 !== e) {
 | |
|       var i = e.call(t, r || "default");
 | |
|       if ("object" != typeof i) return i;
 | |
|       throw new TypeError("@@toPrimitive must return a primitive value.");
 | |
|     }
 | |
|     return ("string" === r ? String : Number)(t);
 | |
|   }
 | |
|   function _toPropertyKey(t) {
 | |
|     var i = _toPrimitive(t, "string");
 | |
|     return "symbol" == typeof i ? i : i + "";
 | |
|   }
 | |
|   function _typeof(o) {
 | |
|     "@babel/helpers - typeof";
 | |
| 
 | |
|     return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
 | |
|       return typeof o;
 | |
|     } : function (o) {
 | |
|       return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
 | |
|     }, _typeof(o);
 | |
|   }
 | |
|   function _unsupportedIterableToArray(r, a) {
 | |
|     if (r) {
 | |
|       if ("string" == typeof r) return _arrayLikeToArray(r, a);
 | |
|       var t = {}.toString.call(r).slice(8, -1);
 | |
|       return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;
 | |
|     }
 | |
|   }
 | |
|   function _wrapNativeSuper(t) {
 | |
|     var r = "function" == typeof Map ? new Map() : void 0;
 | |
|     return _wrapNativeSuper = function (t) {
 | |
|       if (null === t || !_isNativeFunction(t)) return t;
 | |
|       if ("function" != typeof t) throw new TypeError("Super expression must either be null or a function");
 | |
|       if (void 0 !== r) {
 | |
|         if (r.has(t)) return r.get(t);
 | |
|         r.set(t, Wrapper);
 | |
|       }
 | |
|       function Wrapper() {
 | |
|         return _construct(t, arguments, _getPrototypeOf(this).constructor);
 | |
|       }
 | |
|       return Wrapper.prototype = Object.create(t.prototype, {
 | |
|         constructor: {
 | |
|           value: Wrapper,
 | |
|           enumerable: !1,
 | |
|           writable: !0,
 | |
|           configurable: !0
 | |
|         }
 | |
|       }), _setPrototypeOf(Wrapper, t);
 | |
|     }, _wrapNativeSuper(t);
 | |
|   }
 | |
| 
 | |
|   var PACKET_TYPES = Object.create(null); // no Map = no polyfill
 | |
|   PACKET_TYPES["open"] = "0";
 | |
|   PACKET_TYPES["close"] = "1";
 | |
|   PACKET_TYPES["ping"] = "2";
 | |
|   PACKET_TYPES["pong"] = "3";
 | |
|   PACKET_TYPES["message"] = "4";
 | |
|   PACKET_TYPES["upgrade"] = "5";
 | |
|   PACKET_TYPES["noop"] = "6";
 | |
|   var PACKET_TYPES_REVERSE = Object.create(null);
 | |
|   Object.keys(PACKET_TYPES).forEach(function (key) {
 | |
|     PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;
 | |
|   });
 | |
|   var ERROR_PACKET = {
 | |
|     type: "error",
 | |
|     data: "parser error"
 | |
|   };
 | |
| 
 | |
|   var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]";
 | |
|   var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function";
 | |
|   // ArrayBuffer.isView method is not defined in IE10
 | |
|   var isView = function isView(obj) {
 | |
|     return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer;
 | |
|   };
 | |
|   var encodePacket = function encodePacket(_ref, supportsBinary, callback) {
 | |
|     var type = _ref.type,
 | |
|       data = _ref.data;
 | |
|     if (withNativeBlob && data instanceof Blob) {
 | |
|       if (supportsBinary) {
 | |
|         return callback(data);
 | |
|       } else {
 | |
|         return encodeBlobAsBase64(data, callback);
 | |
|       }
 | |
|     } else if (withNativeArrayBuffer$1 && (data instanceof ArrayBuffer || isView(data))) {
 | |
|       if (supportsBinary) {
 | |
|         return callback(data);
 | |
|       } else {
 | |
|         return encodeBlobAsBase64(new Blob([data]), callback);
 | |
|       }
 | |
|     }
 | |
|     // plain string
 | |
|     return callback(PACKET_TYPES[type] + (data || ""));
 | |
|   };
 | |
|   var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) {
 | |
|     var fileReader = new FileReader();
 | |
|     fileReader.onload = function () {
 | |
|       var content = fileReader.result.split(",")[1];
 | |
|       callback("b" + (content || ""));
 | |
|     };
 | |
|     return fileReader.readAsDataURL(data);
 | |
|   };
 | |
|   function toArray(data) {
 | |
|     if (data instanceof Uint8Array) {
 | |
|       return data;
 | |
|     } else if (data instanceof ArrayBuffer) {
 | |
|       return new Uint8Array(data);
 | |
|     } else {
 | |
|       return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);
 | |
|     }
 | |
|   }
 | |
|   var TEXT_ENCODER;
 | |
|   function encodePacketToBinary(packet, callback) {
 | |
|     if (withNativeBlob && packet.data instanceof Blob) {
 | |
|       return packet.data.arrayBuffer().then(toArray).then(callback);
 | |
|     } else if (withNativeArrayBuffer$1 && (packet.data instanceof ArrayBuffer || isView(packet.data))) {
 | |
|       return callback(toArray(packet.data));
 | |
|     }
 | |
|     encodePacket(packet, false, function (encoded) {
 | |
|       if (!TEXT_ENCODER) {
 | |
|         TEXT_ENCODER = new TextEncoder();
 | |
|       }
 | |
|       callback(TEXT_ENCODER.encode(encoded));
 | |
|     });
 | |
|   }
 | |
| 
 | |
|   // imported from https://github.com/socketio/base64-arraybuffer
 | |
|   var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
 | |
|   // Use a lookup table to find the index.
 | |
|   var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);
 | |
|   for (var i = 0; i < chars.length; i++) {
 | |
|     lookup[chars.charCodeAt(i)] = i;
 | |
|   }
 | |
|   var decode$1 = function decode(base64) {
 | |
|     var bufferLength = base64.length * 0.75,
 | |
|       len = base64.length,
 | |
|       i,
 | |
|       p = 0,
 | |
|       encoded1,
 | |
|       encoded2,
 | |
|       encoded3,
 | |
|       encoded4;
 | |
|     if (base64[base64.length - 1] === '=') {
 | |
|       bufferLength--;
 | |
|       if (base64[base64.length - 2] === '=') {
 | |
|         bufferLength--;
 | |
|       }
 | |
|     }
 | |
|     var arraybuffer = new ArrayBuffer(bufferLength),
 | |
|       bytes = new Uint8Array(arraybuffer);
 | |
|     for (i = 0; i < len; i += 4) {
 | |
|       encoded1 = lookup[base64.charCodeAt(i)];
 | |
|       encoded2 = lookup[base64.charCodeAt(i + 1)];
 | |
|       encoded3 = lookup[base64.charCodeAt(i + 2)];
 | |
|       encoded4 = lookup[base64.charCodeAt(i + 3)];
 | |
|       bytes[p++] = encoded1 << 2 | encoded2 >> 4;
 | |
|       bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
 | |
|       bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
 | |
|     }
 | |
|     return arraybuffer;
 | |
|   };
 | |
| 
 | |
|   var withNativeArrayBuffer = typeof ArrayBuffer === "function";
 | |
|   var decodePacket = function decodePacket(encodedPacket, binaryType) {
 | |
|     if (typeof encodedPacket !== "string") {
 | |
|       return {
 | |
|         type: "message",
 | |
|         data: mapBinary(encodedPacket, binaryType)
 | |
|       };
 | |
|     }
 | |
|     var type = encodedPacket.charAt(0);
 | |
|     if (type === "b") {
 | |
|       return {
 | |
|         type: "message",
 | |
|         data: decodeBase64Packet(encodedPacket.substring(1), binaryType)
 | |
|       };
 | |
|     }
 | |
|     var packetType = PACKET_TYPES_REVERSE[type];
 | |
|     if (!packetType) {
 | |
|       return ERROR_PACKET;
 | |
|     }
 | |
|     return encodedPacket.length > 1 ? {
 | |
|       type: PACKET_TYPES_REVERSE[type],
 | |
|       data: encodedPacket.substring(1)
 | |
|     } : {
 | |
|       type: PACKET_TYPES_REVERSE[type]
 | |
|     };
 | |
|   };
 | |
|   var decodeBase64Packet = function decodeBase64Packet(data, binaryType) {
 | |
|     if (withNativeArrayBuffer) {
 | |
|       var decoded = decode$1(data);
 | |
|       return mapBinary(decoded, binaryType);
 | |
|     } else {
 | |
|       return {
 | |
|         base64: true,
 | |
|         data: data
 | |
|       }; // fallback for old browsers
 | |
|     }
 | |
|   };
 | |
|   var mapBinary = function mapBinary(data, binaryType) {
 | |
|     switch (binaryType) {
 | |
|       case "blob":
 | |
|         if (data instanceof Blob) {
 | |
|           // from WebSocket + binaryType "blob"
 | |
|           return data;
 | |
|         } else {
 | |
|           // from HTTP long-polling or WebTransport
 | |
|           return new Blob([data]);
 | |
|         }
 | |
|       case "arraybuffer":
 | |
|       default:
 | |
|         if (data instanceof ArrayBuffer) {
 | |
|           // from HTTP long-polling (base64) or WebSocket + binaryType "arraybuffer"
 | |
|           return data;
 | |
|         } else {
 | |
|           // from WebTransport (Uint8Array)
 | |
|           return data.buffer;
 | |
|         }
 | |
|     }
 | |
|   };
 | |
| 
 | |
|   var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
 | |
|   var encodePayload = function encodePayload(packets, callback) {
 | |
|     // some packets may be added to the array while encoding, so the initial length must be saved
 | |
|     var length = packets.length;
 | |
|     var encodedPackets = new Array(length);
 | |
|     var count = 0;
 | |
|     packets.forEach(function (packet, i) {
 | |
|       // force base64 encoding for binary packets
 | |
|       encodePacket(packet, false, function (encodedPacket) {
 | |
|         encodedPackets[i] = encodedPacket;
 | |
|         if (++count === length) {
 | |
|           callback(encodedPackets.join(SEPARATOR));
 | |
|         }
 | |
|       });
 | |
|     });
 | |
|   };
 | |
|   var decodePayload = function decodePayload(encodedPayload, binaryType) {
 | |
|     var encodedPackets = encodedPayload.split(SEPARATOR);
 | |
|     var packets = [];
 | |
|     for (var i = 0; i < encodedPackets.length; i++) {
 | |
|       var decodedPacket = decodePacket(encodedPackets[i], binaryType);
 | |
|       packets.push(decodedPacket);
 | |
|       if (decodedPacket.type === "error") {
 | |
|         break;
 | |
|       }
 | |
|     }
 | |
|     return packets;
 | |
|   };
 | |
|   function createPacketEncoderStream() {
 | |
|     return new TransformStream({
 | |
|       transform: function transform(packet, controller) {
 | |
|         encodePacketToBinary(packet, function (encodedPacket) {
 | |
|           var payloadLength = encodedPacket.length;
 | |
|           var header;
 | |
|           // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length
 | |
|           if (payloadLength < 126) {
 | |
|             header = new Uint8Array(1);
 | |
|             new DataView(header.buffer).setUint8(0, payloadLength);
 | |
|           } else if (payloadLength < 65536) {
 | |
|             header = new Uint8Array(3);
 | |
|             var view = new DataView(header.buffer);
 | |
|             view.setUint8(0, 126);
 | |
|             view.setUint16(1, payloadLength);
 | |
|           } else {
 | |
|             header = new Uint8Array(9);
 | |
|             var _view = new DataView(header.buffer);
 | |
|             _view.setUint8(0, 127);
 | |
|             _view.setBigUint64(1, BigInt(payloadLength));
 | |
|           }
 | |
|           // first bit indicates whether the payload is plain text (0) or binary (1)
 | |
|           if (packet.data && typeof packet.data !== "string") {
 | |
|             header[0] |= 0x80;
 | |
|           }
 | |
|           controller.enqueue(header);
 | |
|           controller.enqueue(encodedPacket);
 | |
|         });
 | |
|       }
 | |
|     });
 | |
|   }
 | |
|   var TEXT_DECODER;
 | |
|   function totalLength(chunks) {
 | |
|     return chunks.reduce(function (acc, chunk) {
 | |
|       return acc + chunk.length;
 | |
|     }, 0);
 | |
|   }
 | |
|   function concatChunks(chunks, size) {
 | |
|     if (chunks[0].length === size) {
 | |
|       return chunks.shift();
 | |
|     }
 | |
|     var buffer = new Uint8Array(size);
 | |
|     var j = 0;
 | |
|     for (var i = 0; i < size; i++) {
 | |
|       buffer[i] = chunks[0][j++];
 | |
|       if (j === chunks[0].length) {
 | |
|         chunks.shift();
 | |
|         j = 0;
 | |
|       }
 | |
|     }
 | |
|     if (chunks.length && j < chunks[0].length) {
 | |
|       chunks[0] = chunks[0].slice(j);
 | |
|     }
 | |
|     return buffer;
 | |
|   }
 | |
|   function createPacketDecoderStream(maxPayload, binaryType) {
 | |
|     if (!TEXT_DECODER) {
 | |
|       TEXT_DECODER = new TextDecoder();
 | |
|     }
 | |
|     var chunks = [];
 | |
|     var state = 0 /* State.READ_HEADER */;
 | |
|     var expectedLength = -1;
 | |
|     var isBinary = false;
 | |
|     return new TransformStream({
 | |
|       transform: function transform(chunk, controller) {
 | |
|         chunks.push(chunk);
 | |
|         while (true) {
 | |
|           if (state === 0 /* State.READ_HEADER */) {
 | |
|             if (totalLength(chunks) < 1) {
 | |
|               break;
 | |
|             }
 | |
|             var header = concatChunks(chunks, 1);
 | |
|             isBinary = (header[0] & 0x80) === 0x80;
 | |
|             expectedLength = header[0] & 0x7f;
 | |
|             if (expectedLength < 126) {
 | |
|               state = 3 /* State.READ_PAYLOAD */;
 | |
|             } else if (expectedLength === 126) {
 | |
|               state = 1 /* State.READ_EXTENDED_LENGTH_16 */;
 | |
|             } else {
 | |
|               state = 2 /* State.READ_EXTENDED_LENGTH_64 */;
 | |
|             }
 | |
|           } else if (state === 1 /* State.READ_EXTENDED_LENGTH_16 */) {
 | |
|             if (totalLength(chunks) < 2) {
 | |
|               break;
 | |
|             }
 | |
|             var headerArray = concatChunks(chunks, 2);
 | |
|             expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);
 | |
|             state = 3 /* State.READ_PAYLOAD */;
 | |
|           } else if (state === 2 /* State.READ_EXTENDED_LENGTH_64 */) {
 | |
|             if (totalLength(chunks) < 8) {
 | |
|               break;
 | |
|             }
 | |
|             var _headerArray = concatChunks(chunks, 8);
 | |
|             var view = new DataView(_headerArray.buffer, _headerArray.byteOffset, _headerArray.length);
 | |
|             var n = view.getUint32(0);
 | |
|             if (n > Math.pow(2, 53 - 32) - 1) {
 | |
|               // the maximum safe integer in JavaScript is 2^53 - 1
 | |
|               controller.enqueue(ERROR_PACKET);
 | |
|               break;
 | |
|             }
 | |
|             expectedLength = n * Math.pow(2, 32) + view.getUint32(4);
 | |
|             state = 3 /* State.READ_PAYLOAD */;
 | |
|           } else {
 | |
|             if (totalLength(chunks) < expectedLength) {
 | |
|               break;
 | |
|             }
 | |
|             var data = concatChunks(chunks, expectedLength);
 | |
|             controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));
 | |
|             state = 0 /* State.READ_HEADER */;
 | |
|           }
 | |
|           if (expectedLength === 0 || expectedLength > maxPayload) {
 | |
|             controller.enqueue(ERROR_PACKET);
 | |
|             break;
 | |
|           }
 | |
|         }
 | |
|       }
 | |
|     });
 | |
|   }
 | |
|   var protocol = 4;
 | |
| 
 | |
|   /**
 | |
|    * Initialize a new `Emitter`.
 | |
|    *
 | |
|    * @api public
 | |
|    */
 | |
| 
 | |
|   function Emitter(obj) {
 | |
|     if (obj) return mixin(obj);
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Mixin the emitter properties.
 | |
|    *
 | |
|    * @param {Object} obj
 | |
|    * @return {Object}
 | |
|    * @api private
 | |
|    */
 | |
| 
 | |
|   function mixin(obj) {
 | |
|     for (var key in Emitter.prototype) {
 | |
|       obj[key] = Emitter.prototype[key];
 | |
|     }
 | |
|     return obj;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Listen on the given `event` with `fn`.
 | |
|    *
 | |
|    * @param {String} event
 | |
|    * @param {Function} fn
 | |
|    * @return {Emitter}
 | |
|    * @api public
 | |
|    */
 | |
| 
 | |
|   Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {
 | |
|     this._callbacks = this._callbacks || {};
 | |
|     (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);
 | |
|     return this;
 | |
|   };
 | |
| 
 | |
|   /**
 | |
|    * Adds an `event` listener that will be invoked a single
 | |
|    * time then automatically removed.
 | |
|    *
 | |
|    * @param {String} event
 | |
|    * @param {Function} fn
 | |
|    * @return {Emitter}
 | |
|    * @api public
 | |
|    */
 | |
| 
 | |
|   Emitter.prototype.once = function (event, fn) {
 | |
|     function on() {
 | |
|       this.off(event, on);
 | |
|       fn.apply(this, arguments);
 | |
|     }
 | |
|     on.fn = fn;
 | |
|     this.on(event, on);
 | |
|     return this;
 | |
|   };
 | |
| 
 | |
|   /**
 | |
|    * Remove the given callback for `event` or all
 | |
|    * registered callbacks.
 | |
|    *
 | |
|    * @param {String} event
 | |
|    * @param {Function} fn
 | |
|    * @return {Emitter}
 | |
|    * @api public
 | |
|    */
 | |
| 
 | |
|   Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {
 | |
|     this._callbacks = this._callbacks || {};
 | |
| 
 | |
|     // all
 | |
|     if (0 == arguments.length) {
 | |
|       this._callbacks = {};
 | |
|       return this;
 | |
|     }
 | |
| 
 | |
|     // specific event
 | |
|     var callbacks = this._callbacks['$' + event];
 | |
|     if (!callbacks) return this;
 | |
| 
 | |
|     // remove all handlers
 | |
|     if (1 == arguments.length) {
 | |
|       delete this._callbacks['$' + event];
 | |
|       return this;
 | |
|     }
 | |
| 
 | |
|     // remove specific handler
 | |
|     var cb;
 | |
|     for (var i = 0; i < callbacks.length; i++) {
 | |
|       cb = callbacks[i];
 | |
|       if (cb === fn || cb.fn === fn) {
 | |
|         callbacks.splice(i, 1);
 | |
|         break;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     // Remove event specific arrays for event types that no
 | |
|     // one is subscribed for to avoid memory leak.
 | |
|     if (callbacks.length === 0) {
 | |
|       delete this._callbacks['$' + event];
 | |
|     }
 | |
|     return this;
 | |
|   };
 | |
| 
 | |
|   /**
 | |
|    * Emit `event` with the given args.
 | |
|    *
 | |
|    * @param {String} event
 | |
|    * @param {Mixed} ...
 | |
|    * @return {Emitter}
 | |
|    */
 | |
| 
 | |
|   Emitter.prototype.emit = function (event) {
 | |
|     this._callbacks = this._callbacks || {};
 | |
|     var args = new Array(arguments.length - 1),
 | |
|       callbacks = this._callbacks['$' + event];
 | |
|     for (var i = 1; i < arguments.length; i++) {
 | |
|       args[i - 1] = arguments[i];
 | |
|     }
 | |
|     if (callbacks) {
 | |
|       callbacks = callbacks.slice(0);
 | |
|       for (var i = 0, len = callbacks.length; i < len; ++i) {
 | |
|         callbacks[i].apply(this, args);
 | |
|       }
 | |
|     }
 | |
|     return this;
 | |
|   };
 | |
| 
 | |
|   // alias used for reserved events (protected method)
 | |
|   Emitter.prototype.emitReserved = Emitter.prototype.emit;
 | |
| 
 | |
|   /**
 | |
|    * Return array of callbacks for `event`.
 | |
|    *
 | |
|    * @param {String} event
 | |
|    * @return {Array}
 | |
|    * @api public
 | |
|    */
 | |
| 
 | |
|   Emitter.prototype.listeners = function (event) {
 | |
|     this._callbacks = this._callbacks || {};
 | |
|     return this._callbacks['$' + event] || [];
 | |
|   };
 | |
| 
 | |
|   /**
 | |
|    * Check if this emitter has `event` handlers.
 | |
|    *
 | |
|    * @param {String} event
 | |
|    * @return {Boolean}
 | |
|    * @api public
 | |
|    */
 | |
| 
 | |
|   Emitter.prototype.hasListeners = function (event) {
 | |
|     return !!this.listeners(event).length;
 | |
|   };
 | |
| 
 | |
|   var nextTick = function () {
 | |
|     var isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function";
 | |
|     if (isPromiseAvailable) {
 | |
|       return function (cb) {
 | |
|         return Promise.resolve().then(cb);
 | |
|       };
 | |
|     } else {
 | |
|       return function (cb, setTimeoutFn) {
 | |
|         return setTimeoutFn(cb, 0);
 | |
|       };
 | |
|     }
 | |
|   }();
 | |
|   var globalThisShim = function () {
 | |
|     if (typeof self !== "undefined") {
 | |
|       return self;
 | |
|     } else if (typeof window !== "undefined") {
 | |
|       return window;
 | |
|     } else {
 | |
|       return Function("return this")();
 | |
|     }
 | |
|   }();
 | |
|   var defaultBinaryType = "arraybuffer";
 | |
|   function createCookieJar() {}
 | |
| 
 | |
|   function pick(obj) {
 | |
|     for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
 | |
|       attr[_key - 1] = arguments[_key];
 | |
|     }
 | |
|     return attr.reduce(function (acc, k) {
 | |
|       if (obj.hasOwnProperty(k)) {
 | |
|         acc[k] = obj[k];
 | |
|       }
 | |
|       return acc;
 | |
|     }, {});
 | |
|   }
 | |
|   // Keep a reference to the real timeout functions so they can be used when overridden
 | |
|   var NATIVE_SET_TIMEOUT = globalThisShim.setTimeout;
 | |
|   var NATIVE_CLEAR_TIMEOUT = globalThisShim.clearTimeout;
 | |
|   function installTimerFunctions(obj, opts) {
 | |
|     if (opts.useNativeTimers) {
 | |
|       obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThisShim);
 | |
|       obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThisShim);
 | |
|     } else {
 | |
|       obj.setTimeoutFn = globalThisShim.setTimeout.bind(globalThisShim);
 | |
|       obj.clearTimeoutFn = globalThisShim.clearTimeout.bind(globalThisShim);
 | |
|     }
 | |
|   }
 | |
|   // base64 encoded buffers are about 33% bigger (https://en.wikipedia.org/wiki/Base64)
 | |
|   var BASE64_OVERHEAD = 1.33;
 | |
|   // we could also have used `new Blob([obj]).size`, but it isn't supported in IE9
 | |
|   function byteLength(obj) {
 | |
|     if (typeof obj === "string") {
 | |
|       return utf8Length(obj);
 | |
|     }
 | |
|     // arraybuffer or blob
 | |
|     return Math.ceil((obj.byteLength || obj.size) * BASE64_OVERHEAD);
 | |
|   }
 | |
|   function utf8Length(str) {
 | |
|     var c = 0,
 | |
|       length = 0;
 | |
|     for (var i = 0, l = str.length; i < l; i++) {
 | |
|       c = str.charCodeAt(i);
 | |
|       if (c < 0x80) {
 | |
|         length += 1;
 | |
|       } else if (c < 0x800) {
 | |
|         length += 2;
 | |
|       } else if (c < 0xd800 || c >= 0xe000) {
 | |
|         length += 3;
 | |
|       } else {
 | |
|         i++;
 | |
|         length += 4;
 | |
|       }
 | |
|     }
 | |
|     return length;
 | |
|   }
 | |
|   /**
 | |
|    * Generates a random 8-characters string.
 | |
|    */
 | |
|   function randomString() {
 | |
|     return Date.now().toString(36).substring(3) + Math.random().toString(36).substring(2, 5);
 | |
|   }
 | |
| 
 | |
|   // imported from https://github.com/galkn/querystring
 | |
|   /**
 | |
|    * Compiles a querystring
 | |
|    * Returns string representation of the object
 | |
|    *
 | |
|    * @param {Object}
 | |
|    * @api private
 | |
|    */
 | |
|   function encode(obj) {
 | |
|     var str = '';
 | |
|     for (var i in obj) {
 | |
|       if (obj.hasOwnProperty(i)) {
 | |
|         if (str.length) str += '&';
 | |
|         str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
 | |
|       }
 | |
|     }
 | |
|     return str;
 | |
|   }
 | |
|   /**
 | |
|    * Parses a simple querystring into an object
 | |
|    *
 | |
|    * @param {String} qs
 | |
|    * @api private
 | |
|    */
 | |
|   function decode(qs) {
 | |
|     var qry = {};
 | |
|     var pairs = qs.split('&');
 | |
|     for (var i = 0, l = pairs.length; i < l; i++) {
 | |
|       var pair = pairs[i].split('=');
 | |
|       qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
 | |
|     }
 | |
|     return qry;
 | |
|   }
 | |
| 
 | |
|   function getDefaultExportFromCjs (x) {
 | |
|   	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
 | |
|   }
 | |
| 
 | |
|   var browser = {exports: {}};
 | |
| 
 | |
|   var ms;
 | |
|   var hasRequiredMs;
 | |
|   function requireMs() {
 | |
|     if (hasRequiredMs) return ms;
 | |
|     hasRequiredMs = 1;
 | |
|     var s = 1000;
 | |
|     var m = s * 60;
 | |
|     var h = m * 60;
 | |
|     var d = h * 24;
 | |
|     var w = d * 7;
 | |
|     var y = d * 365.25;
 | |
| 
 | |
|     /**
 | |
|      * Parse or format the given `val`.
 | |
|      *
 | |
|      * Options:
 | |
|      *
 | |
|      *  - `long` verbose formatting [false]
 | |
|      *
 | |
|      * @param {String|Number} val
 | |
|      * @param {Object} [options]
 | |
|      * @throws {Error} throw an error if val is not a non-empty string or a number
 | |
|      * @return {String|Number}
 | |
|      * @api public
 | |
|      */
 | |
| 
 | |
|     ms = function ms(val, options) {
 | |
|       options = options || {};
 | |
|       var type = _typeof(val);
 | |
|       if (type === 'string' && val.length > 0) {
 | |
|         return parse(val);
 | |
|       } else if (type === 'number' && isFinite(val)) {
 | |
|         return options["long"] ? fmtLong(val) : fmtShort(val);
 | |
|       }
 | |
|       throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
 | |
|     };
 | |
| 
 | |
|     /**
 | |
|      * Parse the given `str` and return milliseconds.
 | |
|      *
 | |
|      * @param {String} str
 | |
|      * @return {Number}
 | |
|      * @api private
 | |
|      */
 | |
| 
 | |
|     function parse(str) {
 | |
|       str = String(str);
 | |
|       if (str.length > 100) {
 | |
|         return;
 | |
|       }
 | |
|       var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);
 | |
|       if (!match) {
 | |
|         return;
 | |
|       }
 | |
|       var n = parseFloat(match[1]);
 | |
|       var type = (match[2] || 'ms').toLowerCase();
 | |
|       switch (type) {
 | |
|         case 'years':
 | |
|         case 'year':
 | |
|         case 'yrs':
 | |
|         case 'yr':
 | |
|         case 'y':
 | |
|           return n * y;
 | |
|         case 'weeks':
 | |
|         case 'week':
 | |
|         case 'w':
 | |
|           return n * w;
 | |
|         case 'days':
 | |
|         case 'day':
 | |
|         case 'd':
 | |
|           return n * d;
 | |
|         case 'hours':
 | |
|         case 'hour':
 | |
|         case 'hrs':
 | |
|         case 'hr':
 | |
|         case 'h':
 | |
|           return n * h;
 | |
|         case 'minutes':
 | |
|         case 'minute':
 | |
|         case 'mins':
 | |
|         case 'min':
 | |
|         case 'm':
 | |
|           return n * m;
 | |
|         case 'seconds':
 | |
|         case 'second':
 | |
|         case 'secs':
 | |
|         case 'sec':
 | |
|         case 's':
 | |
|           return n * s;
 | |
|         case 'milliseconds':
 | |
|         case 'millisecond':
 | |
|         case 'msecs':
 | |
|         case 'msec':
 | |
|         case 'ms':
 | |
|           return n;
 | |
|         default:
 | |
|           return undefined;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Short format for `ms`.
 | |
|      *
 | |
|      * @param {Number} ms
 | |
|      * @return {String}
 | |
|      * @api private
 | |
|      */
 | |
| 
 | |
|     function fmtShort(ms) {
 | |
|       var msAbs = Math.abs(ms);
 | |
|       if (msAbs >= d) {
 | |
|         return Math.round(ms / d) + 'd';
 | |
|       }
 | |
|       if (msAbs >= h) {
 | |
|         return Math.round(ms / h) + 'h';
 | |
|       }
 | |
|       if (msAbs >= m) {
 | |
|         return Math.round(ms / m) + 'm';
 | |
|       }
 | |
|       if (msAbs >= s) {
 | |
|         return Math.round(ms / s) + 's';
 | |
|       }
 | |
|       return ms + 'ms';
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Long format for `ms`.
 | |
|      *
 | |
|      * @param {Number} ms
 | |
|      * @return {String}
 | |
|      * @api private
 | |
|      */
 | |
| 
 | |
|     function fmtLong(ms) {
 | |
|       var msAbs = Math.abs(ms);
 | |
|       if (msAbs >= d) {
 | |
|         return plural(ms, msAbs, d, 'day');
 | |
|       }
 | |
|       if (msAbs >= h) {
 | |
|         return plural(ms, msAbs, h, 'hour');
 | |
|       }
 | |
|       if (msAbs >= m) {
 | |
|         return plural(ms, msAbs, m, 'minute');
 | |
|       }
 | |
|       if (msAbs >= s) {
 | |
|         return plural(ms, msAbs, s, 'second');
 | |
|       }
 | |
|       return ms + ' ms';
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Pluralization helper.
 | |
|      */
 | |
| 
 | |
|     function plural(ms, msAbs, n, name) {
 | |
|       var isPlural = msAbs >= n * 1.5;
 | |
|       return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
 | |
|     }
 | |
|     return ms;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * This is the common logic for both the Node.js and web browser
 | |
|    * implementations of `debug()`.
 | |
|    */
 | |
| 
 | |
|   function setup(env) {
 | |
|     createDebug.debug = createDebug;
 | |
|     createDebug["default"] = createDebug;
 | |
|     createDebug.coerce = coerce;
 | |
|     createDebug.disable = disable;
 | |
|     createDebug.enable = enable;
 | |
|     createDebug.enabled = enabled;
 | |
|     createDebug.humanize = requireMs();
 | |
|     createDebug.destroy = destroy;
 | |
|     Object.keys(env).forEach(function (key) {
 | |
|       createDebug[key] = env[key];
 | |
|     });
 | |
| 
 | |
|     /**
 | |
|     * The currently active debug mode names, and names to skip.
 | |
|     */
 | |
| 
 | |
|     createDebug.names = [];
 | |
|     createDebug.skips = [];
 | |
| 
 | |
|     /**
 | |
|     * Map of special "%n" handling functions, for the debug "format" argument.
 | |
|     *
 | |
|     * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
 | |
|     */
 | |
|     createDebug.formatters = {};
 | |
| 
 | |
|     /**
 | |
|     * Selects a color for a debug namespace
 | |
|     * @param {String} namespace The namespace string for the debug instance to be colored
 | |
|     * @return {Number|String} An ANSI color code for the given namespace
 | |
|     * @api private
 | |
|     */
 | |
|     function selectColor(namespace) {
 | |
|       var hash = 0;
 | |
|       for (var i = 0; i < namespace.length; i++) {
 | |
|         hash = (hash << 5) - hash + namespace.charCodeAt(i);
 | |
|         hash |= 0; // Convert to 32bit integer
 | |
|       }
 | |
|       return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
 | |
|     }
 | |
|     createDebug.selectColor = selectColor;
 | |
| 
 | |
|     /**
 | |
|     * Create a debugger with the given `namespace`.
 | |
|     *
 | |
|     * @param {String} namespace
 | |
|     * @return {Function}
 | |
|     * @api public
 | |
|     */
 | |
|     function createDebug(namespace) {
 | |
|       var prevTime;
 | |
|       var enableOverride = null;
 | |
|       var namespacesCache;
 | |
|       var enabledCache;
 | |
|       function debug() {
 | |
|         for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
 | |
|           args[_key] = arguments[_key];
 | |
|         }
 | |
|         // Disabled?
 | |
|         if (!debug.enabled) {
 | |
|           return;
 | |
|         }
 | |
|         var self = debug;
 | |
| 
 | |
|         // Set `diff` timestamp
 | |
|         var curr = Number(new Date());
 | |
|         var ms = curr - (prevTime || curr);
 | |
|         self.diff = ms;
 | |
|         self.prev = prevTime;
 | |
|         self.curr = curr;
 | |
|         prevTime = curr;
 | |
|         args[0] = createDebug.coerce(args[0]);
 | |
|         if (typeof args[0] !== 'string') {
 | |
|           // Anything else let's inspect with %O
 | |
|           args.unshift('%O');
 | |
|         }
 | |
| 
 | |
|         // Apply any `formatters` transformations
 | |
|         var index = 0;
 | |
|         args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
 | |
|           // If we encounter an escaped % then don't increase the array index
 | |
|           if (match === '%%') {
 | |
|             return '%';
 | |
|           }
 | |
|           index++;
 | |
|           var formatter = createDebug.formatters[format];
 | |
|           if (typeof formatter === 'function') {
 | |
|             var val = args[index];
 | |
|             match = formatter.call(self, val);
 | |
| 
 | |
|             // Now we need to remove `args[index]` since it's inlined in the `format`
 | |
|             args.splice(index, 1);
 | |
|             index--;
 | |
|           }
 | |
|           return match;
 | |
|         });
 | |
| 
 | |
|         // Apply env-specific formatting (colors, etc.)
 | |
|         createDebug.formatArgs.call(self, args);
 | |
|         var logFn = self.log || createDebug.log;
 | |
|         logFn.apply(self, args);
 | |
|       }
 | |
|       debug.namespace = namespace;
 | |
|       debug.useColors = createDebug.useColors();
 | |
|       debug.color = createDebug.selectColor(namespace);
 | |
|       debug.extend = extend;
 | |
|       debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
 | |
| 
 | |
|       Object.defineProperty(debug, 'enabled', {
 | |
|         enumerable: true,
 | |
|         configurable: false,
 | |
|         get: function get() {
 | |
|           if (enableOverride !== null) {
 | |
|             return enableOverride;
 | |
|           }
 | |
|           if (namespacesCache !== createDebug.namespaces) {
 | |
|             namespacesCache = createDebug.namespaces;
 | |
|             enabledCache = createDebug.enabled(namespace);
 | |
|           }
 | |
|           return enabledCache;
 | |
|         },
 | |
|         set: function set(v) {
 | |
|           enableOverride = v;
 | |
|         }
 | |
|       });
 | |
| 
 | |
|       // Env-specific initialization logic for debug instances
 | |
|       if (typeof createDebug.init === 'function') {
 | |
|         createDebug.init(debug);
 | |
|       }
 | |
|       return debug;
 | |
|     }
 | |
|     function extend(namespace, delimiter) {
 | |
|       var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
 | |
|       newDebug.log = this.log;
 | |
|       return newDebug;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Enables a debug mode by namespaces. This can include modes
 | |
|     * separated by a colon and wildcards.
 | |
|     *
 | |
|     * @param {String} namespaces
 | |
|     * @api public
 | |
|     */
 | |
|     function enable(namespaces) {
 | |
|       createDebug.save(namespaces);
 | |
|       createDebug.namespaces = namespaces;
 | |
|       createDebug.names = [];
 | |
|       createDebug.skips = [];
 | |
|       var i;
 | |
|       var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
 | |
|       var len = split.length;
 | |
|       for (i = 0; i < len; i++) {
 | |
|         if (!split[i]) {
 | |
|           // ignore empty strings
 | |
|           continue;
 | |
|         }
 | |
|         namespaces = split[i].replace(/\*/g, '.*?');
 | |
|         if (namespaces[0] === '-') {
 | |
|           createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
 | |
|         } else {
 | |
|           createDebug.names.push(new RegExp('^' + namespaces + '$'));
 | |
|         }
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Disable debug output.
 | |
|     *
 | |
|     * @return {String} namespaces
 | |
|     * @api public
 | |
|     */
 | |
|     function disable() {
 | |
|       var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
 | |
|         return '-' + namespace;
 | |
|       }))).join(',');
 | |
|       createDebug.enable('');
 | |
|       return namespaces;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Returns true if the given mode name is enabled, false otherwise.
 | |
|     *
 | |
|     * @param {String} name
 | |
|     * @return {Boolean}
 | |
|     * @api public
 | |
|     */
 | |
|     function enabled(name) {
 | |
|       if (name[name.length - 1] === '*') {
 | |
|         return true;
 | |
|       }
 | |
|       var i;
 | |
|       var len;
 | |
|       for (i = 0, len = createDebug.skips.length; i < len; i++) {
 | |
|         if (createDebug.skips[i].test(name)) {
 | |
|           return false;
 | |
|         }
 | |
|       }
 | |
|       for (i = 0, len = createDebug.names.length; i < len; i++) {
 | |
|         if (createDebug.names[i].test(name)) {
 | |
|           return true;
 | |
|         }
 | |
|       }
 | |
|       return false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Convert regexp to namespace
 | |
|     *
 | |
|     * @param {RegExp} regxep
 | |
|     * @return {String} namespace
 | |
|     * @api private
 | |
|     */
 | |
|     function toNamespace(regexp) {
 | |
|       return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * Coerce `val`.
 | |
|     *
 | |
|     * @param {Mixed} val
 | |
|     * @return {Mixed}
 | |
|     * @api private
 | |
|     */
 | |
|     function coerce(val) {
 | |
|       if (val instanceof Error) {
 | |
|         return val.stack || val.message;
 | |
|       }
 | |
|       return val;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|     * XXX DO NOT USE. This is a temporary stub function.
 | |
|     * XXX It WILL be removed in the next major release.
 | |
|     */
 | |
|     function destroy() {
 | |
|       console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
 | |
|     }
 | |
|     createDebug.enable(createDebug.load());
 | |
|     return createDebug;
 | |
|   }
 | |
|   var common = setup;
 | |
| 
 | |
|   /* eslint-env browser */
 | |
|   browser.exports;
 | |
|   (function (module, exports) {
 | |
|     /**
 | |
|      * This is the web browser implementation of `debug()`.
 | |
|      */
 | |
| 
 | |
|     exports.formatArgs = formatArgs;
 | |
|     exports.save = save;
 | |
|     exports.load = load;
 | |
|     exports.useColors = useColors;
 | |
|     exports.storage = localstorage();
 | |
|     exports.destroy = function () {
 | |
|       var warned = false;
 | |
|       return function () {
 | |
|         if (!warned) {
 | |
|           warned = true;
 | |
|           console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
 | |
|         }
 | |
|       };
 | |
|     }();
 | |
| 
 | |
|     /**
 | |
|      * Colors.
 | |
|      */
 | |
| 
 | |
|     exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
 | |
| 
 | |
|     /**
 | |
|      * Currently only WebKit-based Web Inspectors, Firefox >= v31,
 | |
|      * and the Firebug extension (any Firefox version) are known
 | |
|      * to support "%c" CSS customizations.
 | |
|      *
 | |
|      * TODO: add a `localStorage` variable to explicitly enable/disable colors
 | |
|      */
 | |
| 
 | |
|     // eslint-disable-next-line complexity
 | |
|     function useColors() {
 | |
|       // NB: In an Electron preload script, document will be defined but not fully
 | |
|       // initialized. Since we know we're in Chrome, we'll just detect this case
 | |
|       // explicitly
 | |
|       if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
 | |
|         return true;
 | |
|       }
 | |
| 
 | |
|       // Internet Explorer and Edge do not support colors.
 | |
|       if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
 | |
|         return false;
 | |
|       }
 | |
| 
 | |
|       // Is webkit? http://stackoverflow.com/a/16459606/376773
 | |
|       // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
 | |
|       return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance ||
 | |
|       // Is firebug? http://stackoverflow.com/a/398120/376773
 | |
|       typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) ||
 | |
|       // Is firefox >= v31?
 | |
|       // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
 | |
|       typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 ||
 | |
|       // Double check webkit in userAgent just in case we are in a worker
 | |
|       typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Colorize log arguments if enabled.
 | |
|      *
 | |
|      * @api public
 | |
|      */
 | |
| 
 | |
|     function formatArgs(args) {
 | |
|       args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
 | |
|       if (!this.useColors) {
 | |
|         return;
 | |
|       }
 | |
|       var c = 'color: ' + this.color;
 | |
|       args.splice(1, 0, c, 'color: inherit');
 | |
| 
 | |
|       // The final "%c" is somewhat tricky, because there could be other
 | |
|       // arguments passed either before or after the %c, so we need to
 | |
|       // figure out the correct index to insert the CSS into
 | |
|       var index = 0;
 | |
|       var lastC = 0;
 | |
|       args[0].replace(/%[a-zA-Z%]/g, function (match) {
 | |
|         if (match === '%%') {
 | |
|           return;
 | |
|         }
 | |
|         index++;
 | |
|         if (match === '%c') {
 | |
|           // We only are interested in the *last* %c
 | |
|           // (the user may have provided their own)
 | |
|           lastC = index;
 | |
|         }
 | |
|       });
 | |
|       args.splice(lastC, 0, c);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Invokes `console.debug()` when available.
 | |
|      * No-op when `console.debug` is not a "function".
 | |
|      * If `console.debug` is not available, falls back
 | |
|      * to `console.log`.
 | |
|      *
 | |
|      * @api public
 | |
|      */
 | |
|     exports.log = console.debug || console.log || function () {};
 | |
| 
 | |
|     /**
 | |
|      * Save `namespaces`.
 | |
|      *
 | |
|      * @param {String} namespaces
 | |
|      * @api private
 | |
|      */
 | |
|     function save(namespaces) {
 | |
|       try {
 | |
|         if (namespaces) {
 | |
|           exports.storage.setItem('debug', namespaces);
 | |
|         } else {
 | |
|           exports.storage.removeItem('debug');
 | |
|         }
 | |
|       } catch (error) {
 | |
|         // Swallow
 | |
|         // XXX (@Qix-) should we be logging these?
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Load `namespaces`.
 | |
|      *
 | |
|      * @return {String} returns the previously persisted debug modes
 | |
|      * @api private
 | |
|      */
 | |
|     function load() {
 | |
|       var r;
 | |
|       try {
 | |
|         r = exports.storage.getItem('debug');
 | |
|       } catch (error) {
 | |
|         // Swallow
 | |
|         // XXX (@Qix-) should we be logging these?
 | |
|       }
 | |
| 
 | |
|       // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
 | |
|       if (!r && typeof process !== 'undefined' && 'env' in process) {
 | |
|         r = process.env.DEBUG;
 | |
|       }
 | |
|       return r;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Localstorage attempts to return the localstorage.
 | |
|      *
 | |
|      * This is necessary because safari throws
 | |
|      * when a user disables cookies/localstorage
 | |
|      * and you attempt to access it.
 | |
|      *
 | |
|      * @return {LocalStorage}
 | |
|      * @api private
 | |
|      */
 | |
| 
 | |
|     function localstorage() {
 | |
|       try {
 | |
|         // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
 | |
|         // The Browser also has localStorage in the global context.
 | |
|         return localStorage;
 | |
|       } catch (error) {
 | |
|         // Swallow
 | |
|         // XXX (@Qix-) should we be logging these?
 | |
|       }
 | |
|     }
 | |
|     module.exports = common(exports);
 | |
|     var formatters = module.exports.formatters;
 | |
| 
 | |
|     /**
 | |
|      * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
 | |
|      */
 | |
| 
 | |
|     formatters.j = function (v) {
 | |
|       try {
 | |
|         return JSON.stringify(v);
 | |
|       } catch (error) {
 | |
|         return '[UnexpectedJSONParseError]: ' + error.message;
 | |
|       }
 | |
|     };
 | |
|   })(browser, browser.exports);
 | |
|   var browserExports = browser.exports;
 | |
|   var debugModule = /*@__PURE__*/getDefaultExportFromCjs(browserExports);
 | |
| 
 | |
|   var debug$5 = debugModule("engine.io-client:transport"); // debug()
 | |
|   var TransportError = /*#__PURE__*/function (_Error) {
 | |
|     function TransportError(reason, description, context) {
 | |
|       var _this;
 | |
|       _this = _Error.call(this, reason) || this;
 | |
|       _this.description = description;
 | |
|       _this.context = context;
 | |
|       _this.type = "TransportError";
 | |
|       return _this;
 | |
|     }
 | |
|     _inheritsLoose(TransportError, _Error);
 | |
|     return TransportError;
 | |
|   }( /*#__PURE__*/_wrapNativeSuper(Error));
 | |
|   var Transport = /*#__PURE__*/function (_Emitter) {
 | |
|     /**
 | |
|      * Transport abstract constructor.
 | |
|      *
 | |
|      * @param {Object} opts - options
 | |
|      * @protected
 | |
|      */
 | |
|     function Transport(opts) {
 | |
|       var _this2;
 | |
|       _this2 = _Emitter.call(this) || this;
 | |
|       _this2.writable = false;
 | |
|       installTimerFunctions(_this2, opts);
 | |
|       _this2.opts = opts;
 | |
|       _this2.query = opts.query;
 | |
|       _this2.socket = opts.socket;
 | |
|       _this2.supportsBinary = !opts.forceBase64;
 | |
|       return _this2;
 | |
|     }
 | |
|     /**
 | |
|      * Emits an error.
 | |
|      *
 | |
|      * @param {String} reason
 | |
|      * @param description
 | |
|      * @param context - the error context
 | |
|      * @return {Transport} for chaining
 | |
|      * @protected
 | |
|      */
 | |
|     _inheritsLoose(Transport, _Emitter);
 | |
|     var _proto = Transport.prototype;
 | |
|     _proto.onError = function onError(reason, description, context) {
 | |
|       _Emitter.prototype.emitReserved.call(this, "error", new TransportError(reason, description, context));
 | |
|       return this;
 | |
|     }
 | |
|     /**
 | |
|      * Opens the transport.
 | |
|      */;
 | |
|     _proto.open = function open() {
 | |
|       this.readyState = "opening";
 | |
|       this.doOpen();
 | |
|       return this;
 | |
|     }
 | |
|     /**
 | |
|      * Closes the transport.
 | |
|      */;
 | |
|     _proto.close = function close() {
 | |
|       if (this.readyState === "opening" || this.readyState === "open") {
 | |
|         this.doClose();
 | |
|         this.onClose();
 | |
|       }
 | |
|       return this;
 | |
|     }
 | |
|     /**
 | |
|      * Sends multiple packets.
 | |
|      *
 | |
|      * @param {Array} packets
 | |
|      */;
 | |
|     _proto.send = function send(packets) {
 | |
|       if (this.readyState === "open") {
 | |
|         this.write(packets);
 | |
|       } else {
 | |
|         // this might happen if the transport was silently closed in the beforeunload event handler
 | |
|         debug$5("transport is not open, discarding packets");
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Called upon open
 | |
|      *
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.onOpen = function onOpen() {
 | |
|       this.readyState = "open";
 | |
|       this.writable = true;
 | |
|       _Emitter.prototype.emitReserved.call(this, "open");
 | |
|     }
 | |
|     /**
 | |
|      * Called with data.
 | |
|      *
 | |
|      * @param {String} data
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.onData = function onData(data) {
 | |
|       var packet = decodePacket(data, this.socket.binaryType);
 | |
|       this.onPacket(packet);
 | |
|     }
 | |
|     /**
 | |
|      * Called with a decoded packet.
 | |
|      *
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.onPacket = function onPacket(packet) {
 | |
|       _Emitter.prototype.emitReserved.call(this, "packet", packet);
 | |
|     }
 | |
|     /**
 | |
|      * Called upon close.
 | |
|      *
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.onClose = function onClose(details) {
 | |
|       this.readyState = "closed";
 | |
|       _Emitter.prototype.emitReserved.call(this, "close", details);
 | |
|     }
 | |
|     /**
 | |
|      * Pauses the transport, in order not to lose packets during an upgrade.
 | |
|      *
 | |
|      * @param onPause
 | |
|      */;
 | |
|     _proto.pause = function pause(onPause) {};
 | |
|     _proto.createUri = function createUri(schema) {
 | |
|       var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 | |
|       return schema + "://" + this._hostname() + this._port() + this.opts.path + this._query(query);
 | |
|     };
 | |
|     _proto._hostname = function _hostname() {
 | |
|       var hostname = this.opts.hostname;
 | |
|       return hostname.indexOf(":") === -1 ? hostname : "[" + hostname + "]";
 | |
|     };
 | |
|     _proto._port = function _port() {
 | |
|       if (this.opts.port && (this.opts.secure && Number(this.opts.port !== 443) || !this.opts.secure && Number(this.opts.port) !== 80)) {
 | |
|         return ":" + this.opts.port;
 | |
|       } else {
 | |
|         return "";
 | |
|       }
 | |
|     };
 | |
|     _proto._query = function _query(query) {
 | |
|       var encodedQuery = encode(query);
 | |
|       return encodedQuery.length ? "?" + encodedQuery : "";
 | |
|     };
 | |
|     return Transport;
 | |
|   }(Emitter);
 | |
| 
 | |
|   var debug$4 = debugModule("engine.io-client:polling"); // debug()
 | |
|   var Polling = /*#__PURE__*/function (_Transport) {
 | |
|     function Polling() {
 | |
|       var _this;
 | |
|       _this = _Transport.apply(this, arguments) || this;
 | |
|       _this._polling = false;
 | |
|       return _this;
 | |
|     }
 | |
|     _inheritsLoose(Polling, _Transport);
 | |
|     var _proto = Polling.prototype;
 | |
|     /**
 | |
|      * Opens the socket (triggers polling). We write a PING message to determine
 | |
|      * when the transport is open.
 | |
|      *
 | |
|      * @protected
 | |
|      */
 | |
|     _proto.doOpen = function doOpen() {
 | |
|       this._poll();
 | |
|     }
 | |
|     /**
 | |
|      * Pauses polling.
 | |
|      *
 | |
|      * @param {Function} onPause - callback upon buffers are flushed and transport is paused
 | |
|      * @package
 | |
|      */;
 | |
|     _proto.pause = function pause(onPause) {
 | |
|       var _this2 = this;
 | |
|       this.readyState = "pausing";
 | |
|       var pause = function pause() {
 | |
|         debug$4("paused");
 | |
|         _this2.readyState = "paused";
 | |
|         onPause();
 | |
|       };
 | |
|       if (this._polling || !this.writable) {
 | |
|         var total = 0;
 | |
|         if (this._polling) {
 | |
|           debug$4("we are currently polling - waiting to pause");
 | |
|           total++;
 | |
|           this.once("pollComplete", function () {
 | |
|             debug$4("pre-pause polling complete");
 | |
|             --total || pause();
 | |
|           });
 | |
|         }
 | |
|         if (!this.writable) {
 | |
|           debug$4("we are currently writing - waiting to pause");
 | |
|           total++;
 | |
|           this.once("drain", function () {
 | |
|             debug$4("pre-pause writing complete");
 | |
|             --total || pause();
 | |
|           });
 | |
|         }
 | |
|       } else {
 | |
|         pause();
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Starts polling cycle.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._poll = function _poll() {
 | |
|       debug$4("polling");
 | |
|       this._polling = true;
 | |
|       this.doPoll();
 | |
|       this.emitReserved("poll");
 | |
|     }
 | |
|     /**
 | |
|      * Overloads onData to detect payloads.
 | |
|      *
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.onData = function onData(data) {
 | |
|       var _this3 = this;
 | |
|       debug$4("polling got data %s", data);
 | |
|       var callback = function callback(packet) {
 | |
|         // if its the first message we consider the transport open
 | |
|         if ("opening" === _this3.readyState && packet.type === "open") {
 | |
|           _this3.onOpen();
 | |
|         }
 | |
|         // if its a close packet, we close the ongoing requests
 | |
|         if ("close" === packet.type) {
 | |
|           _this3.onClose({
 | |
|             description: "transport closed by the server"
 | |
|           });
 | |
|           return false;
 | |
|         }
 | |
|         // otherwise bypass onData and handle the message
 | |
|         _this3.onPacket(packet);
 | |
|       };
 | |
|       // decode payload
 | |
|       decodePayload(data, this.socket.binaryType).forEach(callback);
 | |
|       // if an event did not trigger closing
 | |
|       if ("closed" !== this.readyState) {
 | |
|         // if we got data we're not polling
 | |
|         this._polling = false;
 | |
|         this.emitReserved("pollComplete");
 | |
|         if ("open" === this.readyState) {
 | |
|           this._poll();
 | |
|         } else {
 | |
|           debug$4('ignoring poll - transport state "%s"', this.readyState);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * For polling, send a close packet.
 | |
|      *
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.doClose = function doClose() {
 | |
|       var _this4 = this;
 | |
|       var close = function close() {
 | |
|         debug$4("writing close packet");
 | |
|         _this4.write([{
 | |
|           type: "close"
 | |
|         }]);
 | |
|       };
 | |
|       if ("open" === this.readyState) {
 | |
|         debug$4("transport open - closing");
 | |
|         close();
 | |
|       } else {
 | |
|         // in case we're trying to close while
 | |
|         // handshaking is in progress (GH-164)
 | |
|         debug$4("transport not open - deferring close");
 | |
|         this.once("open", close);
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Writes a packets payload.
 | |
|      *
 | |
|      * @param {Array} packets - data packets
 | |
|      * @protected
 | |
|      */;
 | |
|     _proto.write = function write(packets) {
 | |
|       var _this5 = this;
 | |
|       this.writable = false;
 | |
|       encodePayload(packets, function (data) {
 | |
|         _this5.doWrite(data, function () {
 | |
|           _this5.writable = true;
 | |
|           _this5.emitReserved("drain");
 | |
|         });
 | |
|       });
 | |
|     }
 | |
|     /**
 | |
|      * Generates uri for connection.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.uri = function uri() {
 | |
|       var schema = this.opts.secure ? "https" : "http";
 | |
|       var query = this.query || {};
 | |
|       // cache busting is forced
 | |
|       if (false !== this.opts.timestampRequests) {
 | |
|         query[this.opts.timestampParam] = randomString();
 | |
|       }
 | |
|       if (!this.supportsBinary && !query.sid) {
 | |
|         query.b64 = 1;
 | |
|       }
 | |
|       return this.createUri(schema, query);
 | |
|     };
 | |
|     return _createClass(Polling, [{
 | |
|       key: "name",
 | |
|       get: function get() {
 | |
|         return "polling";
 | |
|       }
 | |
|     }]);
 | |
|   }(Transport);
 | |
| 
 | |
|   // imported from https://github.com/component/has-cors
 | |
|   var value = false;
 | |
|   try {
 | |
|     value = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest();
 | |
|   } catch (err) {
 | |
|     // if XMLHttp support is disabled in IE then it will throw
 | |
|     // when trying to create
 | |
|   }
 | |
|   var hasCORS = value;
 | |
| 
 | |
|   var debug$3 = debugModule("engine.io-client:polling"); // debug()
 | |
|   function empty() {}
 | |
|   var BaseXHR = /*#__PURE__*/function (_Polling) {
 | |
|     /**
 | |
|      * XHR Polling constructor.
 | |
|      *
 | |
|      * @param {Object} opts
 | |
|      * @package
 | |
|      */
 | |
|     function BaseXHR(opts) {
 | |
|       var _this;
 | |
|       _this = _Polling.call(this, opts) || this;
 | |
|       if (typeof location !== "undefined") {
 | |
|         var isSSL = "https:" === location.protocol;
 | |
|         var port = location.port;
 | |
|         // some user agents have empty `location.port`
 | |
|         if (!port) {
 | |
|           port = isSSL ? "443" : "80";
 | |
|         }
 | |
|         _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port;
 | |
|       }
 | |
|       return _this;
 | |
|     }
 | |
|     /**
 | |
|      * Sends data.
 | |
|      *
 | |
|      * @param {String} data to send.
 | |
|      * @param {Function} called upon flush.
 | |
|      * @private
 | |
|      */
 | |
|     _inheritsLoose(BaseXHR, _Polling);
 | |
|     var _proto = BaseXHR.prototype;
 | |
|     _proto.doWrite = function doWrite(data, fn) {
 | |
|       var _this2 = this;
 | |
|       var req = this.request({
 | |
|         method: "POST",
 | |
|         data: data
 | |
|       });
 | |
|       req.on("success", fn);
 | |
|       req.on("error", function (xhrStatus, context) {
 | |
|         _this2.onError("xhr post error", xhrStatus, context);
 | |
|       });
 | |
|     }
 | |
|     /**
 | |
|      * Starts a poll cycle.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.doPoll = function doPoll() {
 | |
|       var _this3 = this;
 | |
|       debug$3("xhr poll");
 | |
|       var req = this.request();
 | |
|       req.on("data", this.onData.bind(this));
 | |
|       req.on("error", function (xhrStatus, context) {
 | |
|         _this3.onError("xhr poll error", xhrStatus, context);
 | |
|       });
 | |
|       this.pollXhr = req;
 | |
|     };
 | |
|     return BaseXHR;
 | |
|   }(Polling);
 | |
|   var Request = /*#__PURE__*/function (_Emitter) {
 | |
|     /**
 | |
|      * Request constructor
 | |
|      *
 | |
|      * @param {Object} options
 | |
|      * @package
 | |
|      */
 | |
|     function Request(createRequest, uri, opts) {
 | |
|       var _this4;
 | |
|       _this4 = _Emitter.call(this) || this;
 | |
|       _this4.createRequest = createRequest;
 | |
|       installTimerFunctions(_this4, opts);
 | |
|       _this4._opts = opts;
 | |
|       _this4._method = opts.method || "GET";
 | |
|       _this4._uri = uri;
 | |
|       _this4._data = undefined !== opts.data ? opts.data : null;
 | |
|       _this4._create();
 | |
|       return _this4;
 | |
|     }
 | |
|     /**
 | |
|      * Creates the XHR object and sends the request.
 | |
|      *
 | |
|      * @private
 | |
|      */
 | |
|     _inheritsLoose(Request, _Emitter);
 | |
|     var _proto2 = Request.prototype;
 | |
|     _proto2._create = function _create() {
 | |
|       var _this5 = this;
 | |
|       var _a;
 | |
|       var opts = pick(this._opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref");
 | |
|       opts.xdomain = !!this._opts.xd;
 | |
|       var xhr = this._xhr = this.createRequest(opts);
 | |
|       try {
 | |
|         debug$3("xhr open %s: %s", this._method, this._uri);
 | |
|         xhr.open(this._method, this._uri, true);
 | |
|         try {
 | |
|           if (this._opts.extraHeaders) {
 | |
|             // @ts-ignore
 | |
|             xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
 | |
|             for (var i in this._opts.extraHeaders) {
 | |
|               if (this._opts.extraHeaders.hasOwnProperty(i)) {
 | |
|                 xhr.setRequestHeader(i, this._opts.extraHeaders[i]);
 | |
|               }
 | |
|             }
 | |
|           }
 | |
|         } catch (e) {}
 | |
|         if ("POST" === this._method) {
 | |
|           try {
 | |
|             xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8");
 | |
|           } catch (e) {}
 | |
|         }
 | |
|         try {
 | |
|           xhr.setRequestHeader("Accept", "*/*");
 | |
|         } catch (e) {}
 | |
|         (_a = this._opts.cookieJar) === null || _a === void 0 ? void 0 : _a.addCookies(xhr);
 | |
|         // ie6 check
 | |
|         if ("withCredentials" in xhr) {
 | |
|           xhr.withCredentials = this._opts.withCredentials;
 | |
|         }
 | |
|         if (this._opts.requestTimeout) {
 | |
|           xhr.timeout = this._opts.requestTimeout;
 | |
|         }
 | |
|         xhr.onreadystatechange = function () {
 | |
|           var _a;
 | |
|           if (xhr.readyState === 3) {
 | |
|             (_a = _this5._opts.cookieJar) === null || _a === void 0 ? void 0 : _a.parseCookies(
 | |
|             // @ts-ignore
 | |
|             xhr.getResponseHeader("set-cookie"));
 | |
|           }
 | |
|           if (4 !== xhr.readyState) return;
 | |
|           if (200 === xhr.status || 1223 === xhr.status) {
 | |
|             _this5._onLoad();
 | |
|           } else {
 | |
|             // make sure the `error` event handler that's user-set
 | |
|             // does not throw in the same tick and gets caught here
 | |
|             _this5.setTimeoutFn(function () {
 | |
|               _this5._onError(typeof xhr.status === "number" ? xhr.status : 0);
 | |
|             }, 0);
 | |
|           }
 | |
|         };
 | |
|         debug$3("xhr data %s", this._data);
 | |
|         xhr.send(this._data);
 | |
|       } catch (e) {
 | |
|         // Need to defer since .create() is called directly from the constructor
 | |
|         // and thus the 'error' event can only be only bound *after* this exception
 | |
|         // occurs.  Therefore, also, we cannot throw here at all.
 | |
|         this.setTimeoutFn(function () {
 | |
|           _this5._onError(e);
 | |
|         }, 0);
 | |
|         return;
 | |
|       }
 | |
|       if (typeof document !== "undefined") {
 | |
|         this._index = Request.requestsCount++;
 | |
|         Request.requests[this._index] = this;
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Called upon error.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto2._onError = function _onError(err) {
 | |
|       this.emitReserved("error", err, this._xhr);
 | |
|       this._cleanup(true);
 | |
|     }
 | |
|     /**
 | |
|      * Cleans up house.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto2._cleanup = function _cleanup(fromError) {
 | |
|       if ("undefined" === typeof this._xhr || null === this._xhr) {
 | |
|         return;
 | |
|       }
 | |
|       this._xhr.onreadystatechange = empty;
 | |
|       if (fromError) {
 | |
|         try {
 | |
|           this._xhr.abort();
 | |
|         } catch (e) {}
 | |
|       }
 | |
|       if (typeof document !== "undefined") {
 | |
|         delete Request.requests[this._index];
 | |
|       }
 | |
|       this._xhr = null;
 | |
|     }
 | |
|     /**
 | |
|      * Called upon load.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto2._onLoad = function _onLoad() {
 | |
|       var data = this._xhr.responseText;
 | |
|       if (data !== null) {
 | |
|         this.emitReserved("data", data);
 | |
|         this.emitReserved("success");
 | |
|         this._cleanup();
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Aborts the request.
 | |
|      *
 | |
|      * @package
 | |
|      */;
 | |
|     _proto2.abort = function abort() {
 | |
|       this._cleanup();
 | |
|     };
 | |
|     return Request;
 | |
|   }(Emitter);
 | |
|   Request.requestsCount = 0;
 | |
|   Request.requests = {};
 | |
|   /**
 | |
|    * Aborts pending requests when unloading the window. This is needed to prevent
 | |
|    * memory leaks (e.g. when using IE) and to ensure that no spurious error is
 | |
|    * emitted.
 | |
|    */
 | |
|   if (typeof document !== "undefined") {
 | |
|     // @ts-ignore
 | |
|     if (typeof attachEvent === "function") {
 | |
|       // @ts-ignore
 | |
|       attachEvent("onunload", unloadHandler);
 | |
|     } else if (typeof addEventListener === "function") {
 | |
|       var terminationEvent = "onpagehide" in globalThisShim ? "pagehide" : "unload";
 | |
|       addEventListener(terminationEvent, unloadHandler, false);
 | |
|     }
 | |
|   }
 | |
|   function unloadHandler() {
 | |
|     for (var i in Request.requests) {
 | |
|       if (Request.requests.hasOwnProperty(i)) {
 | |
|         Request.requests[i].abort();
 | |
|       }
 | |
|     }
 | |
|   }
 | |
|   var hasXHR2 = function () {
 | |
|     var xhr = newRequest({
 | |
|       xdomain: false
 | |
|     });
 | |
|     return xhr && xhr.responseType !== null;
 | |
|   }();
 | |
|   /**
 | |
|    * HTTP long-polling based on the built-in `XMLHttpRequest` object.
 | |
|    *
 | |
|    * Usage: browser
 | |
|    *
 | |
|    * @see https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
 | |
|    */
 | |
|   var XHR = /*#__PURE__*/function (_BaseXHR) {
 | |
|     function XHR(opts) {
 | |
|       var _this6;
 | |
|       _this6 = _BaseXHR.call(this, opts) || this;
 | |
|       var forceBase64 = opts && opts.forceBase64;
 | |
|       _this6.supportsBinary = hasXHR2 && !forceBase64;
 | |
|       return _this6;
 | |
|     }
 | |
|     _inheritsLoose(XHR, _BaseXHR);
 | |
|     var _proto3 = XHR.prototype;
 | |
|     _proto3.request = function request() {
 | |
|       var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
 | |
|       _extends(opts, {
 | |
|         xd: this.xd
 | |
|       }, this.opts);
 | |
|       return new Request(newRequest, this.uri(), opts);
 | |
|     };
 | |
|     return XHR;
 | |
|   }(BaseXHR);
 | |
|   function newRequest(opts) {
 | |
|     var xdomain = opts.xdomain;
 | |
|     // XMLHttpRequest can be disabled on IE
 | |
|     try {
 | |
|       if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
 | |
|         return new XMLHttpRequest();
 | |
|       }
 | |
|     } catch (e) {}
 | |
|     if (!xdomain) {
 | |
|       try {
 | |
|         return new globalThisShim[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP");
 | |
|       } catch (e) {}
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   var debug$2 = debugModule("engine.io-client:websocket"); // debug()
 | |
|   // detect ReactNative environment
 | |
|   var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative";
 | |
|   var BaseWS = /*#__PURE__*/function (_Transport) {
 | |
|     function BaseWS() {
 | |
|       return _Transport.apply(this, arguments) || this;
 | |
|     }
 | |
|     _inheritsLoose(BaseWS, _Transport);
 | |
|     var _proto = BaseWS.prototype;
 | |
|     _proto.doOpen = function doOpen() {
 | |
|       var uri = this.uri();
 | |
|       var protocols = this.opts.protocols;
 | |
|       // React Native only supports the 'headers' option, and will print a warning if anything else is passed
 | |
|       var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity");
 | |
|       if (this.opts.extraHeaders) {
 | |
|         opts.headers = this.opts.extraHeaders;
 | |
|       }
 | |
|       try {
 | |
|         this.ws = this.createSocket(uri, protocols, opts);
 | |
|       } catch (err) {
 | |
|         return this.emitReserved("error", err);
 | |
|       }
 | |
|       this.ws.binaryType = this.socket.binaryType;
 | |
|       this.addEventListeners();
 | |
|     }
 | |
|     /**
 | |
|      * Adds event listeners to the socket
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.addEventListeners = function addEventListeners() {
 | |
|       var _this = this;
 | |
|       this.ws.onopen = function () {
 | |
|         if (_this.opts.autoUnref) {
 | |
|           _this.ws._socket.unref();
 | |
|         }
 | |
|         _this.onOpen();
 | |
|       };
 | |
|       this.ws.onclose = function (closeEvent) {
 | |
|         return _this.onClose({
 | |
|           description: "websocket connection closed",
 | |
|           context: closeEvent
 | |
|         });
 | |
|       };
 | |
|       this.ws.onmessage = function (ev) {
 | |
|         return _this.onData(ev.data);
 | |
|       };
 | |
|       this.ws.onerror = function (e) {
 | |
|         return _this.onError("websocket error", e);
 | |
|       };
 | |
|     };
 | |
|     _proto.write = function write(packets) {
 | |
|       var _this2 = this;
 | |
|       this.writable = false;
 | |
|       // encodePacket efficient as it uses WS framing
 | |
|       // no need for encodePayload
 | |
|       var _loop = function _loop() {
 | |
|         var packet = packets[i];
 | |
|         var lastPacket = i === packets.length - 1;
 | |
|         encodePacket(packet, _this2.supportsBinary, function (data) {
 | |
|           // Sometimes the websocket has already been closed but the browser didn't
 | |
|           // have a chance of informing us about it yet, in that case send will
 | |
|           // throw an error
 | |
|           try {
 | |
|             _this2.doWrite(packet, data);
 | |
|           } catch (e) {
 | |
|             debug$2("websocket closed before onclose event");
 | |
|           }
 | |
|           if (lastPacket) {
 | |
|             // fake drain
 | |
|             // defer to next tick to allow Socket to clear writeBuffer
 | |
|             nextTick(function () {
 | |
|               _this2.writable = true;
 | |
|               _this2.emitReserved("drain");
 | |
|             }, _this2.setTimeoutFn);
 | |
|           }
 | |
|         });
 | |
|       };
 | |
|       for (var i = 0; i < packets.length; i++) {
 | |
|         _loop();
 | |
|       }
 | |
|     };
 | |
|     _proto.doClose = function doClose() {
 | |
|       if (typeof this.ws !== "undefined") {
 | |
|         this.ws.onerror = function () {};
 | |
|         this.ws.close();
 | |
|         this.ws = null;
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Generates uri for connection.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.uri = function uri() {
 | |
|       var schema = this.opts.secure ? "wss" : "ws";
 | |
|       var query = this.query || {};
 | |
|       // append timestamp to URI
 | |
|       if (this.opts.timestampRequests) {
 | |
|         query[this.opts.timestampParam] = randomString();
 | |
|       }
 | |
|       // communicate binary support capabilities
 | |
|       if (!this.supportsBinary) {
 | |
|         query.b64 = 1;
 | |
|       }
 | |
|       return this.createUri(schema, query);
 | |
|     };
 | |
|     return _createClass(BaseWS, [{
 | |
|       key: "name",
 | |
|       get: function get() {
 | |
|         return "websocket";
 | |
|       }
 | |
|     }]);
 | |
|   }(Transport);
 | |
|   var WebSocketCtor = globalThisShim.WebSocket || globalThisShim.MozWebSocket;
 | |
|   /**
 | |
|    * WebSocket transport based on the built-in `WebSocket` object.
 | |
|    *
 | |
|    * Usage: browser, Node.js (since v21), Deno, Bun
 | |
|    *
 | |
|    * @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket
 | |
|    * @see https://caniuse.com/mdn-api_websocket
 | |
|    * @see https://nodejs.org/api/globals.html#websocket
 | |
|    */
 | |
|   var WS = /*#__PURE__*/function (_BaseWS) {
 | |
|     function WS() {
 | |
|       return _BaseWS.apply(this, arguments) || this;
 | |
|     }
 | |
|     _inheritsLoose(WS, _BaseWS);
 | |
|     var _proto2 = WS.prototype;
 | |
|     _proto2.createSocket = function createSocket(uri, protocols, opts) {
 | |
|       return !isReactNative ? protocols ? new WebSocketCtor(uri, protocols) : new WebSocketCtor(uri) : new WebSocketCtor(uri, protocols, opts);
 | |
|     };
 | |
|     _proto2.doWrite = function doWrite(_packet, data) {
 | |
|       this.ws.send(data);
 | |
|     };
 | |
|     return WS;
 | |
|   }(BaseWS);
 | |
| 
 | |
|   var debug$1 = debugModule("engine.io-client:webtransport"); // debug()
 | |
|   /**
 | |
|    * WebTransport transport based on the built-in `WebTransport` object.
 | |
|    *
 | |
|    * Usage: browser, Node.js (with the `@fails-components/webtransport` package)
 | |
|    *
 | |
|    * @see https://developer.mozilla.org/en-US/docs/Web/API/WebTransport
 | |
|    * @see https://caniuse.com/webtransport
 | |
|    */
 | |
|   var WT = /*#__PURE__*/function (_Transport) {
 | |
|     function WT() {
 | |
|       return _Transport.apply(this, arguments) || this;
 | |
|     }
 | |
|     _inheritsLoose(WT, _Transport);
 | |
|     var _proto = WT.prototype;
 | |
|     _proto.doOpen = function doOpen() {
 | |
|       var _this = this;
 | |
|       try {
 | |
|         // @ts-ignore
 | |
|         this._transport = new WebTransport(this.createUri("https"), this.opts.transportOptions[this.name]);
 | |
|       } catch (err) {
 | |
|         return this.emitReserved("error", err);
 | |
|       }
 | |
|       this._transport.closed.then(function () {
 | |
|         debug$1("transport closed gracefully");
 | |
|         _this.onClose();
 | |
|       })["catch"](function (err) {
 | |
|         debug$1("transport closed due to %s", err);
 | |
|         _this.onError("webtransport error", err);
 | |
|       });
 | |
|       // note: we could have used async/await, but that would require some additional polyfills
 | |
|       this._transport.ready.then(function () {
 | |
|         _this._transport.createBidirectionalStream().then(function (stream) {
 | |
|           var decoderStream = createPacketDecoderStream(Number.MAX_SAFE_INTEGER, _this.socket.binaryType);
 | |
|           var reader = stream.readable.pipeThrough(decoderStream).getReader();
 | |
|           var encoderStream = createPacketEncoderStream();
 | |
|           encoderStream.readable.pipeTo(stream.writable);
 | |
|           _this._writer = encoderStream.writable.getWriter();
 | |
|           var read = function read() {
 | |
|             reader.read().then(function (_ref) {
 | |
|               var done = _ref.done,
 | |
|                 value = _ref.value;
 | |
|               if (done) {
 | |
|                 debug$1("session is closed");
 | |
|                 return;
 | |
|               }
 | |
|               debug$1("received chunk: %o", value);
 | |
|               _this.onPacket(value);
 | |
|               read();
 | |
|             })["catch"](function (err) {
 | |
|               debug$1("an error occurred while reading: %s", err);
 | |
|             });
 | |
|           };
 | |
|           read();
 | |
|           var packet = {
 | |
|             type: "open"
 | |
|           };
 | |
|           if (_this.query.sid) {
 | |
|             packet.data = "{\"sid\":\"".concat(_this.query.sid, "\"}");
 | |
|           }
 | |
|           _this._writer.write(packet).then(function () {
 | |
|             return _this.onOpen();
 | |
|           });
 | |
|         });
 | |
|       });
 | |
|     };
 | |
|     _proto.write = function write(packets) {
 | |
|       var _this2 = this;
 | |
|       this.writable = false;
 | |
|       var _loop = function _loop() {
 | |
|         var packet = packets[i];
 | |
|         var lastPacket = i === packets.length - 1;
 | |
|         _this2._writer.write(packet).then(function () {
 | |
|           if (lastPacket) {
 | |
|             nextTick(function () {
 | |
|               _this2.writable = true;
 | |
|               _this2.emitReserved("drain");
 | |
|             }, _this2.setTimeoutFn);
 | |
|           }
 | |
|         });
 | |
|       };
 | |
|       for (var i = 0; i < packets.length; i++) {
 | |
|         _loop();
 | |
|       }
 | |
|     };
 | |
|     _proto.doClose = function doClose() {
 | |
|       var _a;
 | |
|       (_a = this._transport) === null || _a === void 0 ? void 0 : _a.close();
 | |
|     };
 | |
|     return _createClass(WT, [{
 | |
|       key: "name",
 | |
|       get: function get() {
 | |
|         return "webtransport";
 | |
|       }
 | |
|     }]);
 | |
|   }(Transport);
 | |
| 
 | |
|   var transports = {
 | |
|     websocket: WS,
 | |
|     webtransport: WT,
 | |
|     polling: XHR
 | |
|   };
 | |
| 
 | |
|   // imported from https://github.com/galkn/parseuri
 | |
|   /**
 | |
|    * Parses a URI
 | |
|    *
 | |
|    * Note: we could also have used the built-in URL object, but it isn't supported on all platforms.
 | |
|    *
 | |
|    * See:
 | |
|    * - https://developer.mozilla.org/en-US/docs/Web/API/URL
 | |
|    * - https://caniuse.com/url
 | |
|    * - https://www.rfc-editor.org/rfc/rfc3986#appendix-B
 | |
|    *
 | |
|    * History of the parse() method:
 | |
|    * - first commit: https://github.com/socketio/socket.io-client/commit/4ee1d5d94b3906a9c052b459f1a818b15f38f91c
 | |
|    * - export into its own module: https://github.com/socketio/engine.io-client/commit/de2c561e4564efeb78f1bdb1ba39ef81b2822cb3
 | |
|    * - reimport: https://github.com/socketio/engine.io-client/commit/df32277c3f6d622eec5ed09f493cae3f3391d242
 | |
|    *
 | |
|    * @author Steven Levithan <stevenlevithan.com> (MIT license)
 | |
|    * @api private
 | |
|    */
 | |
|   var re = /^(?:(?![^:@\/?#]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@\/?#]*)(?::([^:@\/?#]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
 | |
|   var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'];
 | |
|   function parse(str) {
 | |
|     if (str.length > 8000) {
 | |
|       throw "URI too long";
 | |
|     }
 | |
|     var src = str,
 | |
|       b = str.indexOf('['),
 | |
|       e = str.indexOf(']');
 | |
|     if (b != -1 && e != -1) {
 | |
|       str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
 | |
|     }
 | |
|     var m = re.exec(str || ''),
 | |
|       uri = {},
 | |
|       i = 14;
 | |
|     while (i--) {
 | |
|       uri[parts[i]] = m[i] || '';
 | |
|     }
 | |
|     if (b != -1 && e != -1) {
 | |
|       uri.source = src;
 | |
|       uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
 | |
|       uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
 | |
|       uri.ipv6uri = true;
 | |
|     }
 | |
|     uri.pathNames = pathNames(uri, uri['path']);
 | |
|     uri.queryKey = queryKey(uri, uri['query']);
 | |
|     return uri;
 | |
|   }
 | |
|   function pathNames(obj, path) {
 | |
|     var regx = /\/{2,9}/g,
 | |
|       names = path.replace(regx, "/").split("/");
 | |
|     if (path.slice(0, 1) == '/' || path.length === 0) {
 | |
|       names.splice(0, 1);
 | |
|     }
 | |
|     if (path.slice(-1) == '/') {
 | |
|       names.splice(names.length - 1, 1);
 | |
|     }
 | |
|     return names;
 | |
|   }
 | |
|   function queryKey(uri, query) {
 | |
|     var data = {};
 | |
|     query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {
 | |
|       if ($1) {
 | |
|         data[$1] = $2;
 | |
|       }
 | |
|     });
 | |
|     return data;
 | |
|   }
 | |
| 
 | |
|   var debug = debugModule("engine.io-client:socket"); // debug()
 | |
|   var withEventListeners = typeof addEventListener === "function" && typeof removeEventListener === "function";
 | |
|   var OFFLINE_EVENT_LISTENERS = [];
 | |
|   if (withEventListeners) {
 | |
|     // within a ServiceWorker, any event handler for the 'offline' event must be added on the initial evaluation of the
 | |
|     // script, so we create one single event listener here which will forward the event to the socket instances
 | |
|     addEventListener("offline", function () {
 | |
|       debug("closing %d connection(s) because the network was lost", OFFLINE_EVENT_LISTENERS.length);
 | |
|       OFFLINE_EVENT_LISTENERS.forEach(function (listener) {
 | |
|         return listener();
 | |
|       });
 | |
|     }, false);
 | |
|   }
 | |
|   /**
 | |
|    * This class provides a WebSocket-like interface to connect to an Engine.IO server. The connection will be established
 | |
|    * with one of the available low-level transports, like HTTP long-polling, WebSocket or WebTransport.
 | |
|    *
 | |
|    * This class comes without upgrade mechanism, which means that it will keep the first low-level transport that
 | |
|    * successfully establishes the connection.
 | |
|    *
 | |
|    * In order to allow tree-shaking, there are no transports included, that's why the `transports` option is mandatory.
 | |
|    *
 | |
|    * @example
 | |
|    * import { SocketWithoutUpgrade, WebSocket } from "engine.io-client";
 | |
|    *
 | |
|    * const socket = new SocketWithoutUpgrade({
 | |
|    *   transports: [WebSocket]
 | |
|    * });
 | |
|    *
 | |
|    * socket.on("open", () => {
 | |
|    *   socket.send("hello");
 | |
|    * });
 | |
|    *
 | |
|    * @see SocketWithUpgrade
 | |
|    * @see Socket
 | |
|    */
 | |
|   var SocketWithoutUpgrade = /*#__PURE__*/function (_Emitter) {
 | |
|     /**
 | |
|      * Socket constructor.
 | |
|      *
 | |
|      * @param {String|Object} uri - uri or options
 | |
|      * @param {Object} opts - options
 | |
|      */
 | |
|     function SocketWithoutUpgrade(uri, opts) {
 | |
|       var _this;
 | |
|       _this = _Emitter.call(this) || this;
 | |
|       _this.binaryType = defaultBinaryType;
 | |
|       _this.writeBuffer = [];
 | |
|       _this._prevBufferLen = 0;
 | |
|       _this._pingInterval = -1;
 | |
|       _this._pingTimeout = -1;
 | |
|       _this._maxPayload = -1;
 | |
|       /**
 | |
|        * The expiration timestamp of the {@link _pingTimeoutTimer} object is tracked, in case the timer is throttled and the
 | |
|        * callback is not fired on time. This can happen for example when a laptop is suspended or when a phone is locked.
 | |
|        */
 | |
|       _this._pingTimeoutTime = Infinity;
 | |
|       if (uri && "object" === _typeof(uri)) {
 | |
|         opts = uri;
 | |
|         uri = null;
 | |
|       }
 | |
|       if (uri) {
 | |
|         var parsedUri = parse(uri);
 | |
|         opts.hostname = parsedUri.host;
 | |
|         opts.secure = parsedUri.protocol === "https" || parsedUri.protocol === "wss";
 | |
|         opts.port = parsedUri.port;
 | |
|         if (parsedUri.query) opts.query = parsedUri.query;
 | |
|       } else if (opts.host) {
 | |
|         opts.hostname = parse(opts.host).host;
 | |
|       }
 | |
|       installTimerFunctions(_this, opts);
 | |
|       _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol;
 | |
|       if (opts.hostname && !opts.port) {
 | |
|         // if no port is specified manually, use the protocol default
 | |
|         opts.port = _this.secure ? "443" : "80";
 | |
|       }
 | |
|       _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost");
 | |
|       _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? "443" : "80");
 | |
|       _this.transports = [];
 | |
|       _this._transportsByName = {};
 | |
|       opts.transports.forEach(function (t) {
 | |
|         var transportName = t.prototype.name;
 | |
|         _this.transports.push(transportName);
 | |
|         _this._transportsByName[transportName] = t;
 | |
|       });
 | |
|       _this.opts = _extends({
 | |
|         path: "/engine.io",
 | |
|         agent: false,
 | |
|         withCredentials: false,
 | |
|         upgrade: true,
 | |
|         timestampParam: "t",
 | |
|         rememberUpgrade: false,
 | |
|         addTrailingSlash: true,
 | |
|         rejectUnauthorized: true,
 | |
|         perMessageDeflate: {
 | |
|           threshold: 1024
 | |
|         },
 | |
|         transportOptions: {},
 | |
|         closeOnBeforeunload: false
 | |
|       }, opts);
 | |
|       _this.opts.path = _this.opts.path.replace(/\/$/, "") + (_this.opts.addTrailingSlash ? "/" : "");
 | |
|       if (typeof _this.opts.query === "string") {
 | |
|         _this.opts.query = decode(_this.opts.query);
 | |
|       }
 | |
|       if (withEventListeners) {
 | |
|         if (_this.opts.closeOnBeforeunload) {
 | |
|           // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener
 | |
|           // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is
 | |
|           // closed/reloaded)
 | |
|           _this._beforeunloadEventListener = function () {
 | |
|             if (_this.transport) {
 | |
|               // silently close the transport
 | |
|               _this.transport.removeAllListeners();
 | |
|               _this.transport.close();
 | |
|             }
 | |
|           };
 | |
|           addEventListener("beforeunload", _this._beforeunloadEventListener, false);
 | |
|         }
 | |
|         if (_this.hostname !== "localhost") {
 | |
|           debug("adding listener for the 'offline' event");
 | |
|           _this._offlineEventListener = function () {
 | |
|             _this._onClose("transport close", {
 | |
|               description: "network connection lost"
 | |
|             });
 | |
|           };
 | |
|           OFFLINE_EVENT_LISTENERS.push(_this._offlineEventListener);
 | |
|         }
 | |
|       }
 | |
|       if (_this.opts.withCredentials) {
 | |
|         _this._cookieJar = createCookieJar();
 | |
|       }
 | |
|       _this._open();
 | |
|       return _this;
 | |
|     }
 | |
|     /**
 | |
|      * Creates transport of the given type.
 | |
|      *
 | |
|      * @param {String} name - transport name
 | |
|      * @return {Transport}
 | |
|      * @private
 | |
|      */
 | |
|     _inheritsLoose(SocketWithoutUpgrade, _Emitter);
 | |
|     var _proto = SocketWithoutUpgrade.prototype;
 | |
|     _proto.createTransport = function createTransport(name) {
 | |
|       debug('creating transport "%s"', name);
 | |
|       var query = _extends({}, this.opts.query);
 | |
|       // append engine.io protocol identifier
 | |
|       query.EIO = protocol;
 | |
|       // transport name
 | |
|       query.transport = name;
 | |
|       // session id if we already have one
 | |
|       if (this.id) query.sid = this.id;
 | |
|       var opts = _extends({}, this.opts, {
 | |
|         query: query,
 | |
|         socket: this,
 | |
|         hostname: this.hostname,
 | |
|         secure: this.secure,
 | |
|         port: this.port
 | |
|       }, this.opts.transportOptions[name]);
 | |
|       debug("options: %j", opts);
 | |
|       return new this._transportsByName[name](opts);
 | |
|     }
 | |
|     /**
 | |
|      * Initializes transport to use and starts probe.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._open = function _open() {
 | |
|       var _this2 = this;
 | |
|       if (this.transports.length === 0) {
 | |
|         // Emit error on next tick so it can be listened to
 | |
|         this.setTimeoutFn(function () {
 | |
|           _this2.emitReserved("error", "No transports available");
 | |
|         }, 0);
 | |
|         return;
 | |
|       }
 | |
|       var transportName = this.opts.rememberUpgrade && SocketWithoutUpgrade.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1 ? "websocket" : this.transports[0];
 | |
|       this.readyState = "opening";
 | |
|       var transport = this.createTransport(transportName);
 | |
|       transport.open();
 | |
|       this.setTransport(transport);
 | |
|     }
 | |
|     /**
 | |
|      * Sets the current transport. Disables the existing one (if any).
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.setTransport = function setTransport(transport) {
 | |
|       var _this3 = this;
 | |
|       debug("setting transport %s", transport.name);
 | |
|       if (this.transport) {
 | |
|         debug("clearing existing transport %s", this.transport.name);
 | |
|         this.transport.removeAllListeners();
 | |
|       }
 | |
|       // set up transport
 | |
|       this.transport = transport;
 | |
|       // set up transport listeners
 | |
|       transport.on("drain", this._onDrain.bind(this)).on("packet", this._onPacket.bind(this)).on("error", this._onError.bind(this)).on("close", function (reason) {
 | |
|         return _this3._onClose("transport close", reason);
 | |
|       });
 | |
|     }
 | |
|     /**
 | |
|      * Called when connection is deemed open.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.onOpen = function onOpen() {
 | |
|       debug("socket open");
 | |
|       this.readyState = "open";
 | |
|       SocketWithoutUpgrade.priorWebsocketSuccess = "websocket" === this.transport.name;
 | |
|       this.emitReserved("open");
 | |
|       this.flush();
 | |
|     }
 | |
|     /**
 | |
|      * Handles a packet.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._onPacket = function _onPacket(packet) {
 | |
|       if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
 | |
|         debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
 | |
|         this.emitReserved("packet", packet);
 | |
|         // Socket is live - any packet counts
 | |
|         this.emitReserved("heartbeat");
 | |
|         switch (packet.type) {
 | |
|           case "open":
 | |
|             this.onHandshake(JSON.parse(packet.data));
 | |
|             break;
 | |
|           case "ping":
 | |
|             this._sendPacket("pong");
 | |
|             this.emitReserved("ping");
 | |
|             this.emitReserved("pong");
 | |
|             this._resetPingTimeout();
 | |
|             break;
 | |
|           case "error":
 | |
|             var err = new Error("server error");
 | |
|             // @ts-ignore
 | |
|             err.code = packet.data;
 | |
|             this._onError(err);
 | |
|             break;
 | |
|           case "message":
 | |
|             this.emitReserved("data", packet.data);
 | |
|             this.emitReserved("message", packet.data);
 | |
|             break;
 | |
|         }
 | |
|       } else {
 | |
|         debug('packet received with socket readyState "%s"', this.readyState);
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Called upon handshake completion.
 | |
|      *
 | |
|      * @param {Object} data - handshake obj
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.onHandshake = function onHandshake(data) {
 | |
|       this.emitReserved("handshake", data);
 | |
|       this.id = data.sid;
 | |
|       this.transport.query.sid = data.sid;
 | |
|       this._pingInterval = data.pingInterval;
 | |
|       this._pingTimeout = data.pingTimeout;
 | |
|       this._maxPayload = data.maxPayload;
 | |
|       this.onOpen();
 | |
|       // In case open handler closes socket
 | |
|       if ("closed" === this.readyState) return;
 | |
|       this._resetPingTimeout();
 | |
|     }
 | |
|     /**
 | |
|      * Sets and resets ping timeout timer based on server pings.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._resetPingTimeout = function _resetPingTimeout() {
 | |
|       var _this4 = this;
 | |
|       this.clearTimeoutFn(this._pingTimeoutTimer);
 | |
|       var delay = this._pingInterval + this._pingTimeout;
 | |
|       this._pingTimeoutTime = Date.now() + delay;
 | |
|       this._pingTimeoutTimer = this.setTimeoutFn(function () {
 | |
|         _this4._onClose("ping timeout");
 | |
|       }, delay);
 | |
|       if (this.opts.autoUnref) {
 | |
|         this._pingTimeoutTimer.unref();
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Called on `drain` event
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._onDrain = function _onDrain() {
 | |
|       this.writeBuffer.splice(0, this._prevBufferLen);
 | |
|       // setting prevBufferLen = 0 is very important
 | |
|       // for example, when upgrading, upgrade packet is sent over,
 | |
|       // and a nonzero prevBufferLen could cause problems on `drain`
 | |
|       this._prevBufferLen = 0;
 | |
|       if (0 === this.writeBuffer.length) {
 | |
|         this.emitReserved("drain");
 | |
|       } else {
 | |
|         this.flush();
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Flush write buffers.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto.flush = function flush() {
 | |
|       if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
 | |
|         var packets = this._getWritablePackets();
 | |
|         debug("flushing %d packets in socket", packets.length);
 | |
|         this.transport.send(packets);
 | |
|         // keep track of current length of writeBuffer
 | |
|         // splice writeBuffer and callbackBuffer on `drain`
 | |
|         this._prevBufferLen = packets.length;
 | |
|         this.emitReserved("flush");
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Ensure the encoded size of the writeBuffer is below the maxPayload value sent by the server (only for HTTP
 | |
|      * long-polling)
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._getWritablePackets = function _getWritablePackets() {
 | |
|       var shouldCheckPayloadSize = this._maxPayload && this.transport.name === "polling" && this.writeBuffer.length > 1;
 | |
|       if (!shouldCheckPayloadSize) {
 | |
|         return this.writeBuffer;
 | |
|       }
 | |
|       var payloadSize = 1; // first packet type
 | |
|       for (var i = 0; i < this.writeBuffer.length; i++) {
 | |
|         var data = this.writeBuffer[i].data;
 | |
|         if (data) {
 | |
|           payloadSize += byteLength(data);
 | |
|         }
 | |
|         if (i > 0 && payloadSize > this._maxPayload) {
 | |
|           debug("only send %d out of %d packets", i, this.writeBuffer.length);
 | |
|           return this.writeBuffer.slice(0, i);
 | |
|         }
 | |
|         payloadSize += 2; // separator + packet type
 | |
|       }
 | |
|       debug("payload size is %d (max: %d)", payloadSize, this._maxPayload);
 | |
|       return this.writeBuffer;
 | |
|     }
 | |
|     /**
 | |
|      * Checks whether the heartbeat timer has expired but the socket has not yet been notified.
 | |
|      *
 | |
|      * Note: this method is private for now because it does not really fit the WebSocket API, but if we put it in the
 | |
|      * `write()` method then the message would not be buffered by the Socket.IO client.
 | |
|      *
 | |
|      * @return {boolean}
 | |
|      * @private
 | |
|      */
 | |
|     /* private */;
 | |
|     _proto._hasPingExpired = function _hasPingExpired() {
 | |
|       var _this5 = this;
 | |
|       if (!this._pingTimeoutTime) return true;
 | |
|       var hasExpired = Date.now() > this._pingTimeoutTime;
 | |
|       if (hasExpired) {
 | |
|         debug("throttled timer detected, scheduling connection close");
 | |
|         this._pingTimeoutTime = 0;
 | |
|         nextTick(function () {
 | |
|           _this5._onClose("ping timeout");
 | |
|         }, this.setTimeoutFn);
 | |
|       }
 | |
|       return hasExpired;
 | |
|     }
 | |
|     /**
 | |
|      * Sends a message.
 | |
|      *
 | |
|      * @param {String} msg - message.
 | |
|      * @param {Object} options.
 | |
|      * @param {Function} fn - callback function.
 | |
|      * @return {Socket} for chaining.
 | |
|      */;
 | |
|     _proto.write = function write(msg, options, fn) {
 | |
|       this._sendPacket("message", msg, options, fn);
 | |
|       return this;
 | |
|     }
 | |
|     /**
 | |
|      * Sends a message. Alias of {@link Socket#write}.
 | |
|      *
 | |
|      * @param {String} msg - message.
 | |
|      * @param {Object} options.
 | |
|      * @param {Function} fn - callback function.
 | |
|      * @return {Socket} for chaining.
 | |
|      */;
 | |
|     _proto.send = function send(msg, options, fn) {
 | |
|       this._sendPacket("message", msg, options, fn);
 | |
|       return this;
 | |
|     }
 | |
|     /**
 | |
|      * Sends a packet.
 | |
|      *
 | |
|      * @param {String} type: packet type.
 | |
|      * @param {String} data.
 | |
|      * @param {Object} options.
 | |
|      * @param {Function} fn - callback function.
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._sendPacket = function _sendPacket(type, data, options, fn) {
 | |
|       if ("function" === typeof data) {
 | |
|         fn = data;
 | |
|         data = undefined;
 | |
|       }
 | |
|       if ("function" === typeof options) {
 | |
|         fn = options;
 | |
|         options = null;
 | |
|       }
 | |
|       if ("closing" === this.readyState || "closed" === this.readyState) {
 | |
|         return;
 | |
|       }
 | |
|       options = options || {};
 | |
|       options.compress = false !== options.compress;
 | |
|       var packet = {
 | |
|         type: type,
 | |
|         data: data,
 | |
|         options: options
 | |
|       };
 | |
|       this.emitReserved("packetCreate", packet);
 | |
|       this.writeBuffer.push(packet);
 | |
|       if (fn) this.once("flush", fn);
 | |
|       this.flush();
 | |
|     }
 | |
|     /**
 | |
|      * Closes the connection.
 | |
|      */;
 | |
|     _proto.close = function close() {
 | |
|       var _this6 = this;
 | |
|       var close = function close() {
 | |
|         _this6._onClose("forced close");
 | |
|         debug("socket closing - telling transport to close");
 | |
|         _this6.transport.close();
 | |
|       };
 | |
|       var cleanupAndClose = function cleanupAndClose() {
 | |
|         _this6.off("upgrade", cleanupAndClose);
 | |
|         _this6.off("upgradeError", cleanupAndClose);
 | |
|         close();
 | |
|       };
 | |
|       var waitForUpgrade = function waitForUpgrade() {
 | |
|         // wait for upgrade to finish since we can't send packets while pausing a transport
 | |
|         _this6.once("upgrade", cleanupAndClose);
 | |
|         _this6.once("upgradeError", cleanupAndClose);
 | |
|       };
 | |
|       if ("opening" === this.readyState || "open" === this.readyState) {
 | |
|         this.readyState = "closing";
 | |
|         if (this.writeBuffer.length) {
 | |
|           this.once("drain", function () {
 | |
|             if (_this6.upgrading) {
 | |
|               waitForUpgrade();
 | |
|             } else {
 | |
|               close();
 | |
|             }
 | |
|           });
 | |
|         } else if (this.upgrading) {
 | |
|           waitForUpgrade();
 | |
|         } else {
 | |
|           close();
 | |
|         }
 | |
|       }
 | |
|       return this;
 | |
|     }
 | |
|     /**
 | |
|      * Called upon transport error
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._onError = function _onError(err) {
 | |
|       debug("socket error %j", err);
 | |
|       SocketWithoutUpgrade.priorWebsocketSuccess = false;
 | |
|       if (this.opts.tryAllTransports && this.transports.length > 1 && this.readyState === "opening") {
 | |
|         debug("trying next transport");
 | |
|         this.transports.shift();
 | |
|         return this._open();
 | |
|       }
 | |
|       this.emitReserved("error", err);
 | |
|       this._onClose("transport error", err);
 | |
|     }
 | |
|     /**
 | |
|      * Called upon transport close.
 | |
|      *
 | |
|      * @private
 | |
|      */;
 | |
|     _proto._onClose = function _onClose(reason, description) {
 | |
|       if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) {
 | |
|         debug('socket close with reason: "%s"', reason);
 | |
|         // clear timers
 | |
|         this.clearTimeoutFn(this._pingTimeoutTimer);
 | |
|         // stop event from firing again for transport
 | |
|         this.transport.removeAllListeners("close");
 | |
|         // ensure transport won't stay open
 | |
|         this.transport.close();
 | |
|         // ignore further transport communication
 | |
|         this.transport.removeAllListeners();
 | |
|         if (withEventListeners) {
 | |
|           if (this._beforeunloadEventListener) {
 | |
|             removeEventListener("beforeunload", this._beforeunloadEventListener, false);
 | |
|           }
 | |
|           if (this._offlineEventListener) {
 | |
|             var i = OFFLINE_EVENT_LISTENERS.indexOf(this._offlineEventListener);
 | |
|             if (i !== -1) {
 | |
|               debug("removing listener for the 'offline' event");
 | |
|               OFFLINE_EVENT_LISTENERS.splice(i, 1);
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         // set ready state
 | |
|         this.readyState = "closed";
 | |
|         // clear session id
 | |
|         this.id = null;
 | |
|         // emit close event
 | |
|         this.emitReserved("close", reason, description);
 | |
|         // clean buffers after, so users can still
 | |
|         // grab the buffers on `close` event
 | |
|         this.writeBuffer = [];
 | |
|         this._prevBufferLen = 0;
 | |
|       }
 | |
|     };
 | |
|     return SocketWithoutUpgrade;
 | |
|   }(Emitter);
 | |
|   SocketWithoutUpgrade.protocol = protocol;
 | |
|   /**
 | |
|    * This class provides a WebSocket-like interface to connect to an Engine.IO server. The connection will be established
 | |
|    * with one of the available low-level transports, like HTTP long-polling, WebSocket or WebTransport.
 | |
|    *
 | |
|    * This class comes with an upgrade mechanism, which means that once the connection is established with the first
 | |
|    * low-level transport, it will try to upgrade to a better transport.
 | |
|    *
 | |
|    * In order to allow tree-shaking, there are no transports included, that's why the `transports` option is mandatory.
 | |
|    *
 | |
|    * @example
 | |
|    * import { SocketWithUpgrade, WebSocket } from "engine.io-client";
 | |
|    *
 | |
|    * const socket = new SocketWithUpgrade({
 | |
|    *   transports: [WebSocket]
 | |
|    * });
 | |
|    *
 | |
|    * socket.on("open", () => {
 | |
|    *   socket.send("hello");
 | |
|    * });
 | |
|    *
 | |
|    * @see SocketWithoutUpgrade
 | |
|    * @see Socket
 | |
|    */
 | |
|   var SocketWithUpgrade = /*#__PURE__*/function (_SocketWithoutUpgrade) {
 | |
|     function SocketWithUpgrade() {
 | |
|       var _this7;
 | |
|       _this7 = _SocketWithoutUpgrade.apply(this, arguments) || this;
 | |
|       _this7._upgrades = [];
 | |
|       return _this7;
 | |
|     }
 | |
|     _inheritsLoose(SocketWithUpgrade, _SocketWithoutUpgrade);
 | |
|     var _proto2 = SocketWithUpgrade.prototype;
 | |
|     _proto2.onOpen = function onOpen() {
 | |
|       _SocketWithoutUpgrade.prototype.onOpen.call(this);
 | |
|       if ("open" === this.readyState && this.opts.upgrade) {
 | |
|         debug("starting upgrade probes");
 | |
|         for (var i = 0; i < this._upgrades.length; i++) {
 | |
|           this._probe(this._upgrades[i]);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     /**
 | |
|      * Probes a transport.
 | |
|      *
 | |
|      * @param {String} name - transport name
 | |
|      * @private
 | |
|      */;
 | |
|     _proto2._probe = function _probe(name) {
 | |
|       var _this8 = this;
 | |
|       debug('probing transport "%s"', name);
 | |
|       var transport = this.createTransport(name);
 | |
|       var failed = false;
 | |
|       SocketWithoutUpgrade.priorWebsocketSuccess = false;
 | |
|       var onTransportOpen = function onTransportOpen() {
 | |
|         if (failed) return;
 | |
|         debug('probe transport "%s" opened', name);
 | |
|         transport.send([{
 | |
|           type: "ping",
 | |
|           data: "probe"
 | |
|         }]);
 | |
|         transport.once("packet", function (msg) {
 | |
|           if (failed) return;
 | |
|           if ("pong" === msg.type && "probe" === msg.data) {
 | |
|             debug('probe transport "%s" pong', name);
 | |
|             _this8.upgrading = true;
 | |
|             _this8.emitReserved("upgrading", transport);
 | |
|             if (!transport) return;
 | |
|             SocketWithoutUpgrade.priorWebsocketSuccess = "websocket" === transport.name;
 | |
|             debug('pausing current transport "%s"', _this8.transport.name);
 | |
|             _this8.transport.pause(function () {
 | |
|               if (failed) return;
 | |
|               if ("closed" === _this8.readyState) return;
 | |
|               debug("changing transport and sending upgrade packet");
 | |
|               cleanup();
 | |
|               _this8.setTransport(transport);
 | |
|               transport.send([{
 | |
|                 type: "upgrade"
 | |
|               }]);
 | |
|               _this8.emitReserved("upgrade", transport);
 | |
|               transport = null;
 | |
|               _this8.upgrading = false;
 | |
|               _this8.flush();
 | |
|             });
 | |
|           } else {
 | |
|             debug('probe transport "%s" failed', name);
 | |
|             var err = new Error("probe error");
 | |
|             // @ts-ignore
 | |
|             err.transport = transport.name;
 | |
|             _this8.emitReserved("upgradeError", err);
 | |
|           }
 | |
|         });
 | |
|       };
 | |
|       function freezeTransport() {
 | |
|         if (failed) return;
 | |
|         // Any callback called by transport should be ignored since now
 | |
|         failed = true;
 | |
|         cleanup();
 | |
|         transport.close();
 | |
|         transport = null;
 | |
|       }
 | |
|       // Handle any error that happens while probing
 | |
|       var onerror = function onerror(err) {
 | |
|         var error = new Error("probe error: " + err);
 | |
|         // @ts-ignore
 | |
|         error.transport = transport.name;
 | |
|         freezeTransport();
 | |
|         debug('probe transport "%s" failed because of error: %s', name, err);
 | |
|         _this8.emitReserved("upgradeError", error);
 | |
|       };
 | |
|       function onTransportClose() {
 | |
|         onerror("transport closed");
 | |
|       }
 | |
|       // When the socket is closed while we're probing
 | |
|       function onclose() {
 | |
|         onerror("socket closed");
 | |
|       }
 | |
|       // When the socket is upgraded while we're probing
 | |
|       function onupgrade(to) {
 | |
|         if (transport && to.name !== transport.name) {
 | |
|           debug('"%s" works - aborting "%s"', to.name, transport.name);
 | |
|           freezeTransport();
 | |
|         }
 | |
|       }
 | |
|       // Remove all listeners on the transport and on self
 | |
|       var cleanup = function cleanup() {
 | |
|         transport.removeListener("open", onTransportOpen);
 | |
|         transport.removeListener("error", onerror);
 | |
|         transport.removeListener("close", onTransportClose);
 | |
|         _this8.off("close", onclose);
 | |
|         _this8.off("upgrading", onupgrade);
 | |
|       };
 | |
|       transport.once("open", onTransportOpen);
 | |
|       transport.once("error", onerror);
 | |
|       transport.once("close", onTransportClose);
 | |
|       this.once("close", onclose);
 | |
|       this.once("upgrading", onupgrade);
 | |
|       if (this._upgrades.indexOf("webtransport") !== -1 && name !== "webtransport") {
 | |
|         // favor WebTransport
 | |
|         this.setTimeoutFn(function () {
 | |
|           if (!failed) {
 | |
|             transport.open();
 | |
|           }
 | |
|         }, 200);
 | |
|       } else {
 | |
|         transport.open();
 | |
|       }
 | |
|     };
 | |
|     _proto2.onHandshake = function onHandshake(data) {
 | |
|       this._upgrades = this._filterUpgrades(data.upgrades);
 | |
|       _SocketWithoutUpgrade.prototype.onHandshake.call(this, data);
 | |
|     }
 | |
|     /**
 | |
|      * Filters upgrades, returning only those matching client transports.
 | |
|      *
 | |
|      * @param {Array} upgrades - server upgrades
 | |
|      * @private
 | |
|      */;
 | |
|     _proto2._filterUpgrades = function _filterUpgrades(upgrades) {
 | |
|       var filteredUpgrades = [];
 | |
|       for (var i = 0; i < upgrades.length; i++) {
 | |
|         if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]);
 | |
|       }
 | |
|       return filteredUpgrades;
 | |
|     };
 | |
|     return SocketWithUpgrade;
 | |
|   }(SocketWithoutUpgrade);
 | |
|   /**
 | |
|    * This class provides a WebSocket-like interface to connect to an Engine.IO server. The connection will be established
 | |
|    * with one of the available low-level transports, like HTTP long-polling, WebSocket or WebTransport.
 | |
|    *
 | |
|    * This class comes with an upgrade mechanism, which means that once the connection is established with the first
 | |
|    * low-level transport, it will try to upgrade to a better transport.
 | |
|    *
 | |
|    * @example
 | |
|    * import { Socket } from "engine.io-client";
 | |
|    *
 | |
|    * const socket = new Socket();
 | |
|    *
 | |
|    * socket.on("open", () => {
 | |
|    *   socket.send("hello");
 | |
|    * });
 | |
|    *
 | |
|    * @see SocketWithoutUpgrade
 | |
|    * @see SocketWithUpgrade
 | |
|    */
 | |
|   var Socket = /*#__PURE__*/function (_SocketWithUpgrade) {
 | |
|     function Socket(uri) {
 | |
|       var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 | |
|       var o = _typeof(uri) === "object" ? uri : opts;
 | |
|       if (!o.transports || o.transports && typeof o.transports[0] === "string") {
 | |
|         o.transports = (o.transports || ["polling", "websocket", "webtransport"]).map(function (transportName) {
 | |
|           return transports[transportName];
 | |
|         }).filter(function (t) {
 | |
|           return !!t;
 | |
|         });
 | |
|       }
 | |
|       return _SocketWithUpgrade.call(this, uri, o) || this;
 | |
|     }
 | |
|     _inheritsLoose(Socket, _SocketWithUpgrade);
 | |
|     return Socket;
 | |
|   }(SocketWithUpgrade);
 | |
| 
 | |
|   var browserEntrypoint = (function (uri, opts) {
 | |
|     return new Socket(uri, opts);
 | |
|   });
 | |
| 
 | |
|   return browserEntrypoint;
 | |
| 
 | |
| }));
 | |
| //# sourceMappingURL=engine.io.js.map
 |