@hyoga/uni-socket.io/dist/uni-socket.io.js

适用于uni-app的socket.io封装，可用于uni-app、微信小程序

!function(t,e){if("object"==typeof exports&&"object"==typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n=e();for(var r in n)("object"==typeof exports?exports:t)[r]=n[r]}}(window,(function(){return function(t){var e={};function n(r){if(e[r])return e[r].exports;var o=e[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=t,n.c=e,n.d=function(t,e,r){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)n.d(r,o,function(e){return t[e]}.bind(null,o));return r},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=18)}([function(t,e){t.exports=function(){return function(){}}},function(t,e,n){function r(t){if(t)return function(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}(t)}t.exports=r,r.prototype.on=r.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},r.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},r.prototype.off=r.prototype.removeListener=r.prototype.removeAllListeners=r.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,r=this._callbacks["$"+t];if(!r)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var o=0;o<r.length;o++)if((n=r[o])===e||n.fn===e){r.splice(o,1);break}return 0===r.length&&delete this._callbacks["$"+t],this},r.prototype.emit=function(t){this._callbacks=this._callbacks||{};for(var e=new Array(arguments.length-1),n=this._callbacks["$"+t],r=1;r<arguments.length;r++)e[r-1]=arguments[r];if(n){r=0;for(var o=(n=n.slice(0)).length;r<o;++r)n[r].apply(this,e)}return this},r.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},r.prototype.hasListeners=function(t){return!!this.listeners(t).length}},function(t,e,n){const r=n(25),o=n(26),s=String.fromCharCode(30);t.exports={protocol:4,encodePacket:r,encodePayload:(t,e)=>{const n=t.length,o=new Array(n);let i=0;t.forEach((t,a)=>{r(t,!1,t=>{o[a]=t,++i===n&&e(o.join(s))})})},decodePacket:o,decodePayload:(t,e)=>{const n=t.split(s),r=[];for(let t=0;t<n.length;t++){const s=o(n[t],e);if(r.push(s),"error"===s.type)break}return r}}},function(t,e){t.exports="undefined"!=typeof self?self:"undefined"!=typeof window?window:Function("return this")()},function(t,e,n){const r=n(2),o=n(1),s=n(0)("engine.io-client:transport");t.exports=class extends o{constructor(t){super(),this.opts=t,this.query=t.query,this.readyState="",this.socket=t.socket}onError(t,e){const n=new Error(t);return n.type="TransportError",n.description=e,this.emit("error",n),this}open(){return"closed"!==this.readyState&&""!==this.readyState||(this.readyState="opening",this.doOpen()),this}close(){return"opening"!==this.readyState&&"open"!==this.readyState||(this.doClose(),this.onClose()),this}send(t){"open"===this.readyState?this.write(t):s("transport is not open, discarding packets")}onOpen(){this.readyState="open",this.writable=!0,this.emit("open")}onData(t){const e=r.decodePacket(t,this.socket.binaryType);this.onPacket(e)}onPacket(t){this.emit("packet",t)}onClose(){this.readyState="closed",this.emit("close")}}},function(t,e){e.encode=function(t){var e="";for(var n in t)t.hasOwnProperty(n)&&(e.length&&(e+="&"),e+=encodeURIComponent(n)+"="+encodeURIComponent(t[n]));return e},e.decode=function(t){for(var e={},n=t.split("&"),r=0,o=n.length;r<o;r++){var s=n[r].split("=");e[decodeURIComponent(s[0])]=decodeURIComponent(s[1])}return e}},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.Decoder=e.Encoder=e.PacketType=e.protocol=void 0;const r=n(1),o=n(38),s=n(16),i=n(0)("socket.io-parser");var a;e.protocol=5,function(t){t[t.CONNECT=0]="CONNECT",t[t.DISCONNECT=1]="DISCONNECT",t[t.EVENT=2]="EVENT",t[t.ACK=3]="ACK",t[t.CONNECT_ERROR=4]="CONNECT_ERROR",t[t.BINARY_EVENT=5]="BINARY_EVENT",t[t.BINARY_ACK=6]="BINARY_ACK"}(a=e.PacketType||(e.PacketType={}));e.Encoder=class{encode(t){return i("encoding packet %j",t),t.type!==a.EVENT&&t.type!==a.ACK||!s.hasBinary(t)?[this.encodeAsString(t)]:(t.type=t.type===a.EVENT?a.BINARY_EVENT:a.BINARY_ACK,this.encodeAsBinary(t))}encodeAsString(t){let e=""+t.type;return t.type!==a.BINARY_EVENT&&t.type!==a.BINARY_ACK||(e+=t.attachments+"-"),t.nsp&&"/"!==t.nsp&&(e+=t.nsp+","),null!=t.id&&(e+=t.id),null!=t.data&&(e+=JSON.stringify(t.data)),i("encoded %j as %s",t,e),e}encodeAsBinary(t){const e=o.deconstructPacket(t),n=this.encodeAsString(e.packet),r=e.buffers;return r.unshift(n),r}};class c extends r{constructor(){super()}add(t){let e;if("string"==typeof t)e=this.decodeString(t),e.type===a.BINARY_EVENT||e.type===a.BINARY_ACK?(this.reconstructor=new h(e),0===e.attachments&&super.emit("decoded",e)):super.emit("decoded",e);else{if(!s.isBinary(t)&&!t.base64)throw new Error("Unknown type: "+t);if(!this.reconstructor)throw new Error("got binary data when not reconstructing a packet");e=this.reconstructor.takeBinaryData(t),e&&(this.reconstructor=null,super.emit("decoded",e))}}decodeString(t){let e=0;const n={type:Number(t.charAt(0))};if(void 0===a[n.type])throw new Error("unknown packet type "+n.type);if(n.type===a.BINARY_EVENT||n.type===a.BINARY_ACK){const r=e+1;for(;"-"!==t.charAt(++e)&&e!=t.length;);const o=t.substring(r,e);if(o!=Number(o)||"-"!==t.charAt(e))throw new Error("Illegal attachments");n.attachments=Number(o)}if("/"===t.charAt(e+1)){const r=e+1;for(;++e;){if(","===t.charAt(e))break;if(e===t.length)break}n.nsp=t.substring(r,e)}else n.nsp="/";const r=t.charAt(e+1);if(""!==r&&Number(r)==r){const r=e+1;for(;++e;){const n=t.charAt(e);if(null==n||Number(n)!=n){--e;break}if(e===t.length)break}n.id=Number(t.substring(r,e+1))}if(t.charAt(++e)){const r=function(t){try{return JSON.parse(t)}catch(t){return!1}}(t.substr(e));if(!c.isPayloadValid(n.type,r))throw new Error("invalid payload");n.data=r}return i("decoded %s as %j",t,n),n}static isPayloadValid(t,e){switch(t){case a.CONNECT:return"object"==typeof e;case a.DISCONNECT:return void 0===e;case a.CONNECT_ERROR:return"string"==typeof e||"object"==typeof e;case a.EVENT:case a.BINARY_EVENT:return Array.isArray(e)&&"string"==typeof e[0];case a.ACK:case a.BINARY_ACK:return Array.isArray(e)}}destroy(){this.reconstructor&&this.reconstructor.finishedReconstruction()}}e.Decoder=c;class h{constructor(t){this.packet=t,this.buffers=[],this.reconPack=t}takeBinaryData(t){if(this.buffers.push(t),this.buffers.length===this.reconPack.attachments){const t=o.reconstructPacket(this.reconPack,this.buffers);return this.finishedReconstruction(),t}return null}finishedReconstruction(){this.reconPack=null,this.buffers=[]}}},function(t,e){var n=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,r=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];t.exports=function(t){var e=t,o=t.indexOf("["),s=t.indexOf("]");-1!=o&&-1!=s&&(t=t.substring(0,o)+t.substring(o,s).replace(/:/g,";")+t.substring(s,t.length));for(var 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0===e||e.setMin(t),this)}randomizationFactor(t){var e;return void 0===t?this._randomizationFactor:(this._randomizationFactor=t,null===(e=this.backoff)||void 0===e||e.setJitter(t),this)}reconnectionDelayMax(t){var e;return void 0===t?this._reconnectionDelayMax:(this._reconnectionDelayMax=t,null===(e=this.backoff)||void 0===e||e.setMax(t),this)}timeout(t){return arguments.length?(this._timeout=t,this):this._timeout}maybeReconnectOnOpen(){!this._reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()}open(t){if(h("readyState %s",this._readyState),~this._readyState.indexOf("open"))return this;h("opening %s",this.uri),this.engine=r(this.uri,this.opts);const e=this.engine,n=this;this._readyState="opening",this.skipReconnect=!1;const o=a.on(e,"open",(function(){n.onopen(),t&&t()})),s=a.on(e,"error",e=>{h("error"),n.cleanup(),n._readyState="closed",super.emit("error",e),t?t(e):n.maybeReconnectOnOpen()});if(!1!==this._timeout){const t=this._timeout;h("connect attempt will timeout after %d",t),0===t&&o();const n=setTimeout(()=>{h("connect attempt timed out after %d",t),o(),e.close(),e.emit("error",new Error("timeout"))},t);this.subs.push((function(){clearTimeout(n)}))}return this.subs.push(o),this.subs.push(s),this}connect(t){return this.open(t)}onopen(){h("open"),this.cleanup(),this._readyState="open",super.emit("open");const t=this.engine;this.subs.push(a.on(t,"ping",this.onping.bind(this)),a.on(t,"data",this.ondata.bind(this)),a.on(t,"error",this.onerror.bind(this)),a.on(t,"close",this.onclose.bind(this)),a.on(this.decoder,"decoded",this.ondecoded.bind(this)))}onping(){super.emit("ping")}ondata(t){this.decoder.add(t)}ondecoded(t){super.emit("packet",t)}onerror(t){h("error",t),super.emit("error",t)}socket(t,e){let n=this.nsps[t];return n||(n=new o.Socket(this,t,e),this.nsps[t]=n),n}_destroy(t){const e=Object.keys(this.nsps);for(const t of e){if(this.nsps[t].active)return void h("socket %s is still active, skipping close",t)}this._close()}_packet(t){h("writing packet %j",t),t.query&&0===t.type&&(t.nsp+="?"+t.query);const e=this.encoder.encode(t);for(let n=0;n<e.length;n++)this.engine.write(e[n],t.options)}cleanup(){h("cleanup"),this.subs.forEach(t=>t()),this.subs.length=0,this.decoder.destroy()}_close(){h("disconnect"),this.skipReconnect=!0,this._reconnecting=!1,"opening"===this._readyState&&this.cleanup(),this.backoff.reset(),this._readyState="closed",this.engine&&this.engine.close()}disconnect(){return this._close()}onclose(t){h("onclose"),this.cleanup(),this.backoff.reset(),this._readyState="closed",super.emit("close",t),this._reconnection&&!this.skipReconnect&&this.reconnect()}reconnect(){if(this._reconnecting||this.skipReconnect)return this;const t=this;if(this.backoff.attempts>=this._reconnectionAttempts)h("reconnect failed"),this.backoff.reset(),super.emit("reconnect_failed"),this._reconnecting=!1;else{const e=this.backoff.duration();h("will wait %dms before reconnect attempt",e),this._reconnecting=!0;const n=setTimeout(()=>{t.skipReconnect||(h("attempting reconnect"),super.emit("reconnect_attempt",t.backoff.attempts),t.skipReconnect||t.open(e=>{e?(h("reconnect attempt error"),t._reconnecting=!1,t.reconnect(),super.emit("reconnect_error",e)):(h("reconnect success"),t.onreconnect())}))},e);this.subs.push((function(){clearTimeout(n)}))}}onreconnect(){const t=this.backoff.attempts;this._reconnecting=!1,this.backoff.reset(),super.emit("reconnect",t)}}},function(t,e,n){const r=n(10),o=n(24),s=n(28),i=n(29);e.polling=function(t){let e,n=!1,i=!1;const a=!1!==t.jsonp;if("undefined"!=typeof location){const e="https:"===location.protocol;let r=location.port;r||(r=e?443:80),n=t.hostname!==location.hostname||r!==t.port,i=t.secure!==e}if(t.xdomain=n,t.xscheme=i,e=new r(t),"open"in e&&!t.forceJSONP)return new o(t);if(!a)throw new Error("JSONP disabled");return new s(t)},e.websocket=i},function(t,e,n){const r=n(23),o=n(3);t.exports=function(t){const e=t.xdomain,n=t.xscheme,s=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||r))return new XMLHttpRequest}catch(t){}try{if("undefined"!=typeof XDomainRequest&&!n&&s)return new XDomainRequest}catch(t){}if(!e)try{return new(o[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(t){}}},function(t,e,n){const r=n(4),o=n(5),s=n(2),i=n(13),a=n(0)("engine.io-client:polling");t.exports=class extends r{get name(){return"polling"}doOpen(){this.poll()}pause(t){const e=this;function n(){a("paused"),e.readyState="paused",t()}if(this.readyState="pausing",this.polling||!this.writable){let t=0;this.polling&&(a("we are currently polling - waiting to pause"),t++,this.once("pollComplete",(function(){a("pre-pause polling complete"),--t||n()}))),this.writable||(a("we are currently writing - waiting to pause"),t++,this.once("drain",(function(){a("pre-pause writing complete"),--t||n()})))}else n()}poll(){a("polling"),this.polling=!0,this.doPoll(),this.emit("poll")}onData(t){const e=this;a("polling got data %s",t);s.decodePayload(t,this.socket.binaryType).forEach((function(t,n,r){if("opening"===e.readyState&&"open"===t.type&&e.onOpen(),"close"===t.type)return e.onClose(),!1;e.onPacket(t)})),"closed"!==this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"===this.readyState?this.poll():a('ignoring poll - transport state "%s"',this.readyState))}doClose(){const t=this;function e(){a("writing close packet"),t.write([{type:"close"}])}"open"===this.readyState?(a("transport open - closing"),e()):(a("transport not open - deferring close"),this.once("open",e))}write(t){this.writable=!1,s.encodePayload(t,t=>{this.doWrite(t,()=>{this.writable=!0,this.emit("drain")})})}uri(){let t=this.query||{};const e=this.opts.secure?"https":"http";let n="";!1!==this.opts.timestampRequests&&(t[this.opts.timestampParam]=i()),this.supportsBinary||t.sid||(t.b64=1),t=o.encode(t),this.opts.port&&("https"===e&&443!==Number(this.opts.port)||"http"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),t.length&&(t="?"+t);return e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+t}}},function(t,e){const n=Object.create(null);n.open="0",n.close="1",n.ping="2",n.pong="3",n.message="4",n.upgrade="5",n.noop="6";const r=Object.create(null);Object.keys(n).forEach(t=>{r[n[t]]=t});t.exports={PACKET_TYPES:n,PACKET_TYPES_REVERSE:r,ERROR_PACKET:{type:"error",data:"parser error"}}},function(t,e,n){"use strict";var r,o="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),s={},i=0,a=0;function c(t){var e="";do{e=o[t%64]+e,t=Math.floor(t/64)}while(t>0);return e}function h(){var t=c(+new Date);return t!==r?(i=0,r=t):t+"."+c(i++)}for(;a<64;a++)s[o[a]]=a;h.encode=c,h.decode=function(t){var e=0;for(a=0;a<t.length;a++)e=64*e+s[t.charAt(a)];return e},t.exports=h},function(t,e){t.exports.pick=(t,...e)=>e.reduce((e,n)=>(t.hasOwnProperty(n)&&(e[n]=t[n]),e),{})},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.Socket=void 0;const r=n(6),o=n(1),s=n(17),i=n(0)("socket.io-client:socket"),a=Object.freeze({connect:1,connect_error:1,disconnect:1,disconnecting:1,newListener:1,removeListener:1});e.Socket=class extends o{constructor(t,e,n){super(),this.receiveBuffer=[],this.sendBuffer=[],this.ids=0,this.acks={},this.flags={},this.io=t,this.nsp=e,this.ids=0,this.acks={},this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0,this.flags={},n&&n.auth&&(this.auth=n.auth),this.io._autoConnect&&this.open()}subEvents(){if(this.subs)return;const t=this.io;this.subs=[s.on(t,"open",this.onopen.bind(this)),s.on(t,"packet",this.onpacket.bind(this)),s.on(t,"error",this.onerror.bind(this)),s.on(t,"close",this.onclose.bind(this))]}get active(){return!!this.subs}connect(){return this.connected||(this.subEvents(),this.io._reconnecting||this.io.open(),"open"===this.io._readyState&&this.onopen()),this}open(){return this.connect()}send(...t){return t.unshift("message"),this.emit.apply(this,t),this}emit(t,...e){if(a.hasOwnProperty(t))throw new Error('"'+t+'" is a reserved event name');e.unshift(t);const n={type:r.PacketType.EVENT,data:e,options:{}};n.options.compress=!1!==this.flags.compress,"function"==typeof e[e.length-1]&&(i("emitting packet with ack id %d",this.ids),this.acks[this.ids]=e.pop(),n.id=this.ids++);const o=this.io.engine&&this.io.engine.transport&&this.io.engine.transport.writable;return this.flags.volatile&&(!o||!this.connected)?i("discard packet as the transport is not currently writable"):this.connected?this.packet(n):this.sendBuffer.push(n),this.flags={},this}packet(t){t.nsp=this.nsp,this.io._packet(t)}onopen(){i("transport is open - connecting"),"function"==typeof this.auth?this.auth(t=>{this.packet({type:r.PacketType.CONNECT,data:t})}):this.packet({type:r.PacketType.CONNECT,data:this.auth})}onerror(t){this.connected||super.emit("connect_error",t)}onclose(t){i("close (%s)",t),this.connected=!1,this.disconnected=!0,delete this.id,super.emit("disconnect",t)}onpacket(t){if(t.nsp===this.nsp)switch(t.type){case r.PacketType.CONNECT:if(t.data&&t.data.sid){const e=t.data.sid;this.onconnect(e)}else super.emit("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case r.PacketType.EVENT:case r.PacketType.BINARY_EVENT:this.onevent(t);break;case r.PacketType.ACK:case r.PacketType.BINARY_ACK:this.onack(t);break;case r.PacketType.DISCONNECT:this.ondisconnect();break;case r.PacketType.CONNECT_ERROR:const e=new Error(t.data.message);e.data=t.data.data,super.emit("connect_error",e)}}onevent(t){const e=t.data||[];i("emitting event %j",e),null!=t.id&&(i("attaching ack callback to event"),e.push(this.ack(t.id))),this.connected?this.emitEvent(e):this.receiveBuffer.push(Object.freeze(e))}emitEvent(t){if(this._anyListeners&&this._anyListeners.length){const e=this._anyListeners.slice();for(const n of e)n.apply(this,t)}super.emit.apply(this,t)}ack(t){const e=this;let n=!1;return function(...o){n||(n=!0,i("sending ack %j",o),e.packet({type:r.PacketType.ACK,id:t,data:o}))}}onack(t){const e=this.acks[t.id];"function"==typeof e?(i("calling ack %s with %j",t.id,t.data),e.apply(this,t.data),delete this.acks[t.id]):i("bad ack %s",t.id)}onconnect(t){i("socket connected with id 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e=function(t){const e={};for(let n in t)t.hasOwnProperty(n)&&(e[n]=t[n]);return e}(this.opts.query);e.EIO=i.protocol,e.transport=t,this.id&&(e.sid=this.id);const n=Object.assign({},this.opts.transportOptions[t],this.opts,{query:e,socket:this,hostname:this.hostname,secure:this.secure,port:this.port});return s("options: %j",n),new r[t](n)}open(){let t;if(this.opts.rememberUpgrade&&h.priorWebsocketSuccess&&-1!==this.transports.indexOf("websocket"))t="websocket";else{if(0===this.transports.length){const t=this;return void setTimeout((function(){t.emit("error","No transports available")}),0)}t=this.transports[0]}this.readyState="opening";try{t=this.createTransport(t)}catch(t){return s("error while creating transport: %s",t),this.transports.shift(),void this.open()}t.open(),this.setTransport(t)}setTransport(t){s("setting transport %s",t.name);const e=this;this.transport&&(s("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=t,t.on("drain",(function(){e.onDrain()})).on("packet",(function(t){e.onPacket(t)})).on("error",(function(t){e.onError(t)})).on("close",(function(){e.onClose("transport close")}))}probe(t){s('probing transport "%s"',t);let e=this.createTransport(t,{probe:1}),n=!1;const r=this;function o(){if(r.onlyBinaryUpgrades){const t=!this.supportsBinary&&r.transport.supportsBinary;n=n||t}n||(s('probe transport "%s" opened',t),e.send([{type:"ping",data:"probe"}]),e.once("packet",(function(o){if(!n)if("pong"===o.type&&"probe"===o.data){if(s('probe transport "%s" pong',t),r.upgrading=!0,r.emit("upgrading",e),!e)return;h.priorWebsocketSuccess="websocket"===e.name,s('pausing current transport "%s"',r.transport.name),r.transport.pause((function(){n||"closed"!==r.readyState&&(s("changing transport and sending upgrade 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