socket.io-client-wxmp/dist/socket.io.min.js

socket.io-client for WeChat mini program

/*!
 * Socket.IO-WXMP v3.0.4
 * (c) 2014-2020 Guillermo Rauch
 * Released under the MIT License.
 */
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i(this,l),e=f.call(this),t&&"object"===o(t)&&(n=t,t=null),t?(t=y(t),n.hostname=t.host,n.secure="https"===t.protocol||"wss"===t.protocol,n.port=t.port,t.query&&(n.query=t.query)):n.host&&(n.hostname=y(n.host).host),e.secure=null!=n.secure?n.secure:"undefined"!=typeof location&&"https:"===location.protocol,n.hostname&&!n.port&&(n.port=e.secure?"443":"80"),e.hostname=n.hostname||("undefined"!=typeof location?location.hostname:"localhost"),e.port=n.port||("undefined"!=typeof location&&location.port?location.port:e.secure?443:80),e.transports=n.transports||["polling","websocket"],e.readyState="",e.writeBuffer=[],e.prevBufferLen=0,e.opts=r({path:"/engine.io",agent:!1,withCredentials:!1,upgrade:!0,jsonp:!0,timestampParam:"t",rememberUpgrade:!1,rejectUnauthorized:!0,perMessageDeflate:{threshold:1024},transportOptions:{}},n),e.opts.path=e.opts.path.replace(/\/$/,"")+"/","string"==typeof 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e=this;this.transport&&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")}))}},{key:"probe",value:function(t){var e=this.createTransport(t,{probe:1}),n=!1,r=this;function o(){if(r.onlyBinaryUpgrades){var t=!this.supportsBinary&&r.transport.supportsBinary;n=n||t}n||(e.send([{type:"ping",data:"probe"}]),e.once("packet",(function(t){if(!n)if("pong"===t.type&&"probe"===t.data){if(r.upgrading=!0,r.emit("upgrading",e),!e)return;l.priorWebsocketSuccess="websocket"===e.name,r.transport.pause((function(){n||"closed"!==r.readyState&&(f(),r.setTransport(e),e.send([{type:"upgrade"}]),r.emit("upgrade",e),e=null,r.upgrading=!1,r.flush())}))}else{var o=new Error("probe error");o.transport=e.name,r.emit("upgradeError",o)}})))}function i(){n||(n=!0,f(),e.close(),e=null)}function s(t){var n=new Error("probe error: 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