y-websockets-client/dist/y-websockets-client.js

Websockets connector for Yjs (browser/node client)

/**
 * yjs - A framework for real-time p2p shared editing on any data
 * @version v12.1.7
 * @link http://y-js.org
 * @license MIT
 */
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r(t){this.path=t.path,this.hostname=t.hostname,this.port=t.port,this.secure=t.secure,this.query=t.query,this.timestampParam=t.timestampParam,this.timestampRequests=t.timestampRequests,this.readyState="",this.agent=t.agent||!1,this.socket=t.socket,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders}var o=t("engine.io-parser"),i=t("component-emitter");e.exports=r,i(r.prototype),r.prototype.onError=function(t,e){var n=new Error(t);return n.type="TransportError",n.description=e,this.emit("error",n),this},r.prototype.open=function(){return"closed"!=this.readyState&&""!=this.readyState||(this.readyState="opening",this.doOpen()),this},r.prototype.close=function(){return"opening"!=this.readyState&&"open"!=this.readyState||(this.doClose(),this.onClose()),this},r.prototype.send=function(t){if("open"!=this.readyState)throw new Error("Transport not open");this.write(t)},r.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},r.prototype.onData=function(t){var e=o.decodePacket(t,this.socket.binaryType);this.onPacket(e)},r.prototype.onPacket=function(t){this.emit("packet",t)},r.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":21,"engine.io-parser":22}],15:[function(t,e,n){(function(e){function r(t){var n=!1,r=!1,a=!1!==t.jsonp;if(e.location){var c="https:"==location.protocol,p=location.port;p||(p=c?443:80),n=t.hostname!=location.hostname||p!=t.port,r=t.secure!=c}if(t.xdomain=n,t.xscheme=r,"open"in new o(t)&&!t.forceJSONP)return new i(t);if(!a)throw new Error("JSONP disabled");return new s(t)}var o=t("xmlhttprequest-ssl"),i=t("./polling-xhr"),s=t("./polling-jsonp"),a=t("./websocket");n.polling=r,n.websocket=a}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,"xmlhttprequest-ssl":20}],16:[function(t,e,n){(function(n){function r(){}function o(t){i.call(this,t),this.query=this.query||{},a||(n.___eio||(n.___eio=[]),a=n.___eio),this.index=a.length;var e=this;a.push(function(t){e.onData(t)}),this.query.j=this.index,n.document&&n.addEventListener&&n.addEventListener("beforeunload",function(){e.script&&(e.script.onerror=r)},!1)}var i=t("./polling"),s=t("component-inherit");e.exports=o;var a;s(o,i),o.prototype.supportsBinary=!1,o.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),i.prototype.doClose.call(this)},o.prototype.doPoll=function(){var t=this,e=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),e.async=!0,e.src=this.uri(),e.onerror=function(e){t.onError("jsonp poll error",e)};var n=document.getElementsByTagName("script")[0];n?n.parentNode.insertBefore(e,n):(document.head||document.body).appendChild(e),this.script=e,"undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent)&&setTimeout(function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)},100)},o.prototype.doWrite=function(t,e){function n(){r(),e()}function r(){if(o.iframe)try{o.form.removeChild(o.iframe)}catch(t){o.onError("jsonp polling iframe removal error",t)}try{var t='<iframe src="javascript:0" name="'+o.iframeId+'">';i=document.createElement(t)}catch(t){i=document.createElement("iframe"),i.name=o.iframeId,i.src="javascript:0"}i.id=o.iframeId,o.form.appendChild(i),o.iframe=i}var o=this;if(!this.form){var i,s=document.createElement("form"),a=document.createElement("textarea"),c=this.iframeId="eio_iframe_"+this.index;s.className="socketio",s.style.position="absolute",s.style.top="-1000px",s.style.left="-1000px",s.target=c,s.method="POST",s.setAttribute("accept-charset","utf-8"),a.name="d",s.appendChild(a),document.body.appendChild(s),this.form=s,this.area=a}this.form.action=this.uri(),r(),t=t.replace(/\\n/g,"\\\n"),this.area.value=t.replace(/\n/g,"\\n");try{this.form.submit()}catch(t){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"==o.iframe.readyState&&n()}:this.iframe.onload=n}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":18,"component-inherit":8}],17:[function(t,e,n){(function(n){function r(){}function o(t){if(c.call(this,t),n.location){var e="https:"==location.protocol,r=location.port;r||(r=e?443:80),this.xd=t.hostname!=n.location.hostname||r!=t.port,this.xs=t.secure!=e}else this.extraHeaders=t.extraHeaders}function i(t){this.method=t.method||"GET",this.uri=t.uri,this.xd=!!t.xd,this.xs=!!t.xs,this.async=!1!==t.async,this.data=void 0!=t.data?t.data:null,this.agent=t.agent,this.isBinary=t.isBinary,this.supportsBinary=t.supportsBinary,this.enablesXDR=t.enablesXDR,this.pfx=t.pfx,this.key=t.key,this.passphrase=t.passphrase,this.cert=t.cert,this.ca=t.ca,this.ciphers=t.ciphers,this.rejectUnauthorized=t.rejectUnauthorized,this.extraHeaders=t.extraHeaders,this.create()}function s(){for(var t in i.requests)i.requests.hasOwnProperty(t)&&i.requests[t].abort()}var a=t("xmlhttprequest-ssl"),c=t("./polling"),p=t("component-emitter"),u=t("component-inherit"),f=t("debug")("engine.io-client:polling-xhr");e.exports=o,e.exports.Request=i,u(o,c),o.prototype.supportsBinary=!0,o.prototype.request=function(t){return t=t||{},t.uri=this.uri(),t.xd=this.xd,t.xs=this.xs,t.agent=this.agent||!1,t.supportsBinary=this.supportsBinary,t.enablesXDR=this.enablesXDR,t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized,t.extraHeaders=this.extraHeaders,new i(t)},o.prototype.doWrite=function(t,e){var n="string"!=typeof t&&void 0!==t,r=this.request({method:"POST",data:t,isBinary:n}),o=this;r.on("success",e),r.on("error",function(t){o.onError("xhr post error",t)}),this.sendXhr=r},o.prototype.doPoll=function(){f("xhr poll");var t=this.request(),e=this;t.on("data",function(t){e.onData(t)}),t.on("error",function(t){e.onError("xhr poll error",t)}),this.pollXhr=t},p(i.prototype),i.prototype.create=function(){var t={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};t.pfx=this.pfx,t.key=this.key,t.passphrase=this.passphrase,t.cert=this.cert,t.ca=this.ca,t.ciphers=this.ciphers,t.rejectUnauthorized=this.rejectUnauthorized;var e=this.xhr=new a(t),r=this;try{f("xhr open %s: %s",this.method,this.uri),e.open(this.method,this.uri,this.async);try{if(this.extraHeaders){e.setDisableHeaderCheck(!0);for(var o in this.extraHeaders)this.extraHeaders.hasOwnProperty(o)&&e.setRequestHeader(o,this.extraHeaders[o])}}catch(t){}if(this.supportsBinary&&(e.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?e.setRequestHeader("Content-type","application/octet-stream"):e.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(t){}"withCredentials"in e&&(e.withCredentials=!0),this.hasXDR()?(e.onload=function(){r.onLoad()},e.onerror=function(){r.onError(e.responseText)}):e.onreadystatechange=function(){4==e.readyState&&(200==e.status||1223==e.status?r.onLoad():setTimeout(function(){r.onError(e.status)},0))},f("xhr data %s",this.data),e.send(this.data)}catch(t){return void setTimeout(function(){r.onError(t)},0)}n.document&&(this.index=i.requestsCount++,i.requests[this.index]=this)},i.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},i.prototype.onData=function(t){this.emit("data",t),this.onSuccess()},i.prototype.onError=function(t){this.emit("error",t),this.cleanup(!0)},i.prototype.cleanup=function(t){if(void 0!==this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=r:this.xhr.onreadystatechange=r,t)try{this.xhr.abort()}catch(t){}n.document&&delete i.requests[this.index],this.xhr=null}},i.prototype.onLoad=function(){var t;try{var e;try{e=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(t){}if("application/octet-stream"===e)t=this.xhr.response;else if(this.supportsBinary)try{t=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(e){for(var n=new Uint8Array(this.xhr.response),r=[],o=0,i=n.length;o<i;o++)r.push(n[o]);t=String.fromCharCode.apply(null,r)}else t=this.xhr.responseText}catch(t){this.onError(t)}null!=t&&this.onData(t)},i.prototype.hasXDR=function(){return void 0!==n.XDomainRequest&&!this.xs&&this.enablesXDR},i.prototype.abort=function(){this.cleanup()},n.document&&(i.requestsCount=0,i.requests={},n.attachEvent?n.attachEvent("onunload",s):n.addEventListener&&n.addEventListener("beforeunload",s,!1))}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":18,"component-emitter":21,"component-inherit":8,debug:9,"xmlhttprequest-ssl":20}],18:[function(t,e,n){function r(t){var e=t&&t.forceBase64;u&&!e||(this.supportsBinary=!1),o.call(this,t)}var o=t("../transport"),i=t("parseqs"),s=t("engine.io-parser"),a=t("component-inherit"),c=t("yeast"),p=t("debug")("engine.io-client:polling");e.exports=r;var u=function(){return null!=new(t("xmlhttprequest-ssl"))({xdomain:!1}).responseType}();a(r,o),r.prototype.name="polling",r.prototype.doOpen=function(){this.poll()},r.prototype.pause=function(t){function e(){p("paused"),n.readyState="paused",t()}var n=this;if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(p("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){p("pre-pause polling complete"),--r||e()})),this.writable||(p("we are currently writing - waiting to pause"),r++,this.once("drain",function(){p("pre-pause writing complete"),--r||e()}))}else e()},r.prototype.poll=function(){p("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},r.prototype.onData=function(t){var e=this;p("polling got data %s",t);var n=function(t,n,r){if("opening"==e.readyState&&e.onOpen(),"close"==t.type)return e.onClose(),!1;e.onPacket(t)};s.decodePayload(t,this.socket.binaryType,n),"closed"!=this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"==this.readyState?this.poll():p('ignoring poll - transport state "%s"',this.readyState))},r.prototype.doClose=function(){function t(){p("writing close packet"),e.write([{type:"close"}])}var e=this;"open"==this.readyState?(p("transport open - closing"),t()):(p("transport not open - deferring close"),this.once("open",t))},r.prototype.write=function(t){var e=this;this.writable=!1;var n=function(){e.writable=!0,e.emit("drain")},e=this;s.encodePayload(t,this.supportsBinary,function(t){e.doWrite(t,n)})},r.prototype.uri=function(){var t=this.query||{},e=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(t[this.timestampParam]=c()),this.supportsBinary||t.sid||(t.b64=1),t=i.encode(t),this.port&&("https"==e&&443!=this.port||"http"==e&&80!=this.port)&&(n=":"+this.port),t.length&&(t="?"+t),e+"://"+(-1!==this.hostname.indexOf(":")?"["+this.hostname+"]":this.hostname)+n+this.path+t}},{"../transport":14,"component-inherit":8,debug:9,"engine.io-parser":22,parseqs:32,"xmlhttprequest-ssl":20,yeast:45}],19:[function(t,e,n){(function(n){function r(t){t&&t.forceBase64&&(this.supportsBinary=!1),this.perMessageDeflate=t.perMessageDeflate,o.call(this,t)}var o=t("../transport"),i=t("engine.io-parser"),s=t("parseqs"),a=t("component-inherit"),c=t("yeast"),p=t("debug")("engine.io-client:websocket"),u=n.WebSocket||n.MozWebSocket,f=u;if(!f&&"undefined"==typeof window)try{f=t("ws")}catch(t){}e.exports=r,a(r,o),r.prototype.name="websocket",r.prototype.supportsBinary=!0,r.prototype.doOpen=function(){if(this.check()){var t=this.uri(),e={agent:this.agent,perMessageDeflate:this.perMessageDeflate};e.pfx=this.pfx,e.key=this.key,e.passphrase=this.passphrase,e.cert=this.cert,e.ca=this.ca,e.ciphers=this.ciphers,e.rejectUnauthorized=this.rejectUnauthorized,this.extraHeaders&&(e.headers=this.extraHeaders),this.ws=u?new f(t):new f(t,void 0,e),void 0===this.ws.binaryType&&(this.supportsBinary=!1),this.ws.supports&&this.ws.supports.binary?(this.supportsBinary=!0,this.ws.binaryType="buffer"):this.ws.binaryType="arraybuffer",this.addEventListeners()}},r.prototype.addEventListeners=function(){var t=this;this.ws.onopen=function(){t.onOpen()},this.ws.onclose=function(){t.onClose()},this.ws.onmessage=function(e){t.onData(e.data)},this.ws.onerror=function(e){t.onError("websocket error",e)}},"undefined"!=typeof navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)&&(r.prototype.onData=function(t){var e=this;setTimeout(function(){o.prototype.onData.call(e,t)},0)}),r.prototype.write=function(t){function e(){r.emit("flush"),setTimeout(function(){r.writable=!0,r.emit("drain")},0)}var r=this;this.writable=!1;for(var o=t.length,s=0,a=o;s<a;s++)!function(t){i.encodePacket(t,r.supportsBinary,function(i){if(!u){var s={};if(t.options&&(s.compress=t.options.compress),r.perMessageDeflate){("string"==typeof i?n.Buffer.byteLength(i):i.length)<r.perMessageDeflate.threshold&&(s.compress=!1)}}try{u?r.ws.send(i):r.ws.send(i,s)}catch(t){p("websocket closed before onclose event")}--o||e()})}(t[s])},r.prototype.onClose=function(){o.prototype.onClose.call(this)},r.prototype.doClose=function(){void 0!==this.ws&&this.ws.close()},r.prototype.uri=function(){var t=this.query||{},e=this.secure?"wss":"ws",n="";return this.port&&("wss"==e&&443!=this.port||"ws"==e&&80!=this.port)&&(n=":"+this.port),this.timestampRequests&&(t[this.timestampParam]=c()),this.supportsBinary||(t.b64=1),t=s.encode(t),t.length&&(t="?"+t),e+"://"+(-1!==this.hostname.indexOf(":")?"["+this.hostname+"]":this.hostname)+n+this.path+t},r.prototype.check=function(){return!(!f||"__initialize"in f&&this.name===r.prototype.name)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../transport":14,"component-inherit":8,debug:9,"engine.io-parser":22,parseqs:32,ws:47,yeast:45}],20:[function(t,e,n){var r=t("has-cors");e.exports=function(t){var e=t.xdomain,n=t.xscheme,o=t.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!e||r))return new XMLHttpRequest}catch(t){}try{if("undefined"!=typeof XDomainRequest&&!n&&o)return new XDomainRequest}catch(t){}if(!e)try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(t){}}},{"has-cors":26}],21:[function(t,e,n){function r(t){if(t)return o(t)}function o(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}e.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(){r.off(t,n),
e.apply(this,arguments)}var r=this;return this._callbacks=this._callbacks||{},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=this._callbacks[t];if(!n)return this;if(1==arguments.length)return delete this._callbacks[t],this;for(var r,o=0;o<n.length;o++)if((r=n[o])===e||r.fn===e){n.splice(o,1);break}return this},r.prototype.emit=function(t){this._callbacks=this._callbacks||{};var e=[].slice.call(arguments,1),n=this._callbacks[t];if(n){n=n.slice(0);for(var r=0,o=n.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}},{}],22:[function(t,e,n){(function(e){function r(t,e){return e("b"+n.packets[t.type]+t.data.data)}function o(t,e,r){if(!e)return n.encodeBase64Packet(t,r);var o=t.data,i=new Uint8Array(o),s=new Uint8Array(1+o.byteLength);s[0]=m[t.type];for(var a=0;a<i.length;a++)s[a+1]=i[a];return r(s.buffer)}function i(t,e,r){if(!e)return n.encodeBase64Packet(t,r);var o=new FileReader;return o.onload=function(){t.data=o.result,n.encodePacket(t,e,!0,r)},o.readAsArrayBuffer(t.data)}function s(t,e,r){if(!e)return n.encodeBase64Packet(t,r);if(g)return i(t,e,r);var o=new Uint8Array(1);return o[0]=m[t.type],r(new w([o.buffer,t.data]))}function a(t,e,n){for(var r=new Array(t.length),o=h(t.length,n),i=0;i<t.length;i++)!function(t,n,o){e(n,function(e,n){r[t]=n,o(e,r)})}(i,t[i],o)}var c=t("./keys"),p=t("has-binary"),u=t("arraybuffer.slice"),f=t("base64-arraybuffer"),h=t("after"),l=t("utf8"),d=navigator.userAgent.match(/Android/i),y=/PhantomJS/i.test(navigator.userAgent),g=d||y;n.protocol=3;var m=n.packets={open:0,close:1,ping:2,pong:3,message:4,upgrade:5,noop:6},b=c(m),v={type:"error",data:"parser error"},w=t("blob");n.encodePacket=function(t,n,i,a){"function"==typeof n&&(a=n,n=!1),"function"==typeof i&&(a=i,i=null);var c=void 0===t.data?void 0:t.data.buffer||t.data;if(e.ArrayBuffer&&c instanceof ArrayBuffer)return o(t,n,a);if(w&&c instanceof e.Blob)return s(t,n,a);if(c&&c.base64)return r(t,a);var p=m[t.type];return void 0!==t.data&&(p+=i?l.encode(String(t.data)):String(t.data)),a(""+p)},n.encodeBase64Packet=function(t,r){var o="b"+n.packets[t.type];if(w&&t.data instanceof e.Blob){var i=new FileReader;return i.onload=function(){var t=i.result.split(",")[1];r(o+t)},i.readAsDataURL(t.data)}var s;try{s=String.fromCharCode.apply(null,new Uint8Array(t.data))}catch(e){for(var a=new Uint8Array(t.data),c=new Array(a.length),p=0;p<a.length;p++)c[p]=a[p];s=String.fromCharCode.apply(null,c)}return o+=e.btoa(s),r(o)},n.decodePacket=function(t,e,r){if("string"==typeof t||void 0===t){if("b"==t.charAt(0))return n.decodeBase64Packet(t.substr(1),e);if(r)try{t=l.decode(t)}catch(t){return v}var o=t.charAt(0);return Number(o)==o&&b[o]?t.length>1?{type:b[o],data:t.substring(1)}:{type:b[o]}:v}var i=new Uint8Array(t),o=i[0],s=u(t,1);return w&&"blob"===e&&(s=new w([s])),{type:b[o],data:s}},n.decodeBase64Packet=function(t,n){var r=b[t.charAt(0)];if(!e.ArrayBuffer)return{type:r,data:{base64:!0,data:t.substr(1)}};var o=f.decode(t.substr(1));return"blob"===n&&w&&(o=new w([o])),{type:r,data:o}},n.encodePayload=function(t,e,r){function o(t){return t.length+":"+t}function i(t,r){n.encodePacket(t,!!s&&e,!0,function(t){r(null,o(t))})}"function"==typeof e&&(r=e,e=null);var s=p(t);return e&&s?w&&!g?n.encodePayloadAsBlob(t,r):n.encodePayloadAsArrayBuffer(t,r):t.length?void a(t,i,function(t,e){return r(e.join(""))}):r("0:")},n.decodePayload=function(t,e,r){if("string"!=typeof t)return n.decodePayloadAsBinary(t,e,r);"function"==typeof e&&(r=e,e=null);var o;if(""==t)return r(v,0,1);for(var i,s,a="",c=0,p=t.length;c<p;c++){var u=t.charAt(c);if(":"!=u)a+=u;else{if(""==a||a!=(i=Number(a)))return 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