nudbclient/dist/index.js

Universal Realtime Database for Node.js and Browser

import e from"events";import t from"https";import s from"http";import r from"net";import i from"tls";import o from"crypto";import n from"stream";import a from"url";import h from"zlib";import c from"buffer";function l(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}function d(e,t){for(var s=0;s<t.length;s++){var r=t[s];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,p(r.key),r)}}function f(e,t,s){return(t=p(t))in e?Object.defineProperty(e,t,{value:s,enumerable:!0,configurable:!0,writable:!0}):e[t]=s,e}function u(e,t){var s=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),s.push.apply(s,r)}return s}function _(e){for(var t=1;t<arguments.length;t++){var s=null!=arguments[t]?arguments[t]:{};t%2?u(Object(s),!0).forEach((function(t){f(e,t,s[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(s)):u(Object(s)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(s,t))}))}return e}function p(e){var t=function(e,t){if("object"!=typeof e||!e)return e;var s=e[Symbol.toPrimitive];if(void 0!==s){var r=s.call(e,t||"default");if("object"!=typeof r)return r;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"==typeof t?t:t+""}var m,y,b,v,g,S,w,k={exports:{}};function E(){if(y)return m;y=1;const e=["nodebuffer","arraybuffer","fragments"],t="undefined"!=typeof Blob;return t&&e.push("blob"),m={BINARY_TYPES:e,EMPTY_BUFFER:Buffer.alloc(0),GUID:"258EAFA5-E914-47DA-95CA-C5AB0DC85B11",hasBlob:t,kForOnEventAttribute:Symbol("kIsForOnEventAttribute"),kListener:Symbol("kListener"),kStatusCode:Symbol("status-code"),kWebSocket:Symbol("websocket"),NOOP:()=>{}}}function x(){if(b)return k.exports;b=1;const{EMPTY_BUFFER:e}=E(),t=Buffer[Symbol.species];function s(e,t,s,r,i){for(let o=0;o<i;o++)s[r+o]=e[o]^t[3&o]}function r(e,t){for(let s=0;s<e.length;s++)e[s]^=t[3&s]}if(k.exports={concat:function(s,r){if(0===s.length)return e;if(1===s.length)return s[0];const i=Buffer.allocUnsafe(r);let o=0;for(let e=0;e<s.length;e++){const t=s[e];i.set(t,o),o+=t.length}return o<r?new t(i.buffer,i.byteOffset,o):i},mask:s,toArrayBuffer:function(e){return e.length===e.buffer.byteLength?e.buffer:e.buffer.slice(e.byteOffset,e.byteOffset+e.length)},toBuffer:function e(s){if(e.readOnly=!0,Buffer.isBuffer(s))return s;let r;return s instanceof ArrayBuffer?r=new t(s):ArrayBuffer.isView(s)?r=new t(s.buffer,s.byteOffset,s.byteLength):(r=Buffer.from(s),e.readOnly=!1),r},unmask:r},!process.env.WS_NO_BUFFER_UTIL)try{const e=require("bufferutil");k.exports.mask=function(t,r,i,o,n){n<48?s(t,r,i,o,n):e.mask(t,r,i,o,n)},k.exports.unmask=function(t,s){t.length<32?r(t,s):e.unmask(t,s)}}catch(e){}return k.exports}function O(){if(w)return S;w=1;const e=h,t=x(),s=function(){if(g)return v;g=1;const e=Symbol("kDone"),t=Symbol("kRun");return v=class{constructor(s){this[e]=()=>{this.pending--,this[t]()},this.concurrency=s||1/0,this.jobs=[],this.pending=0}add(e){this.jobs.push(e),this[t]()}[t](){if(this.pending!==this.concurrency&&this.jobs.length){const t=this.jobs.shift();this.pending++,t(this[e])}}}}(),{kStatusCode:r}=E(),i=Buffer[Symbol.species],o=Buffer.from([0,0,255,255]),n=Symbol("permessage-deflate"),a=Symbol("total-length"),c=Symbol("callback"),l=Symbol("buffers"),d=Symbol("error");let f;function u(e){this[l].push(e),this[a]+=e.length}function _(e){this[a]+=e.length,this[n]._maxPayload<1||this[a]<=this[n]._maxPayload?this[l].push(e):(this[d]=new RangeError("Max payload size exceeded"),this[d].code="WS_ERR_UNSUPPORTED_MESSAGE_LENGTH",this[d][r]=1009,this.removeListener("data",_),this.reset())}function p(e){this[n]._inflate=null,this[d]?this[c](this[d]):(e[r]=1007,this[c](e))}return S=class{constructor(e,t,r){if(this._maxPayload=0|r,this._options=e||{},this._threshold=void 0!==this._options.threshold?this._options.threshold:1024,this._isServer=!!t,this._deflate=null,this._inflate=null,this.params=null,!f){const e=void 0!==this._options.concurrencyLimit?this._options.concurrencyLimit:10;f=new s(e)}}static get extensionName(){return"permessage-deflate"}offer(){const e={};return this._options.serverNoContextTakeover&&(e.server_no_context_takeover=!0),this._options.clientNoContextTakeover&&(e.client_no_context_takeover=!0),this._options.serverMaxWindowBits&&(e.server_max_window_bits=this._options.serverMaxWindowBits),this._options.clientMaxWindowBits?e.client_max_window_bits=this._options.clientMaxWindowBits:null==this._options.clientMaxWindowBits&&(e.client_max_window_bits=!0),e}accept(e){return e=this.normalizeParams(e),this.params=this._isServer?this.acceptAsServer(e):this.acceptAsClient(e),this.params}cleanup(){if(this._inflate&&(this._inflate.close(),this._inflate=null),this._deflate){const e=this._deflate[c];this._deflate.close(),this._deflate=null,e&&e(new Error("The deflate stream was closed while data was being processed"))}}acceptAsServer(e){const t=this._options,s=e.find((e=>!(!1===t.serverNoContextTakeover&&e.server_no_context_takeover||e.server_max_window_bits&&(!1===t.serverMaxWindowBits||"number"==typeof t.serverMaxWindowBits&&t.serverMaxWindowBits>e.server_max_window_bits)||"number"==typeof t.clientMaxWindowBits&&!e.client_max_window_bits)));if(!s)throw new Error("None of the extension offers can be accepted");return t.serverNoContextTakeover&&(s.server_no_context_takeover=!0),t.clientNoContextTakeover&&(s.client_no_context_takeover=!0),"number"==typeof t.serverMaxWindowBits&&(s.server_max_window_bits=t.serverMaxWindowBits),"number"==typeof t.clientMaxWindowBits?s.client_max_window_bits=t.clientMaxWindowBits:!0!==s.client_max_window_bits&&!1!==t.clientMaxWindowBits||delete s.client_max_window_bits,s}acceptAsClient(e){const t=e[0];if(!1===this._options.clientNoContextTakeover&&t.client_no_context_takeover)throw new Error('Unexpected parameter "client_no_context_takeover"');if(t.client_max_window_bits){if(!1===this._options.clientMaxWindowBits||"number"==typeof this._options.clientMaxWindowBits&&t.client_max_window_bits>this._options.clientMaxWindowBits)throw new Error('Unexpected or invalid parameter "client_max_window_bits"')}else"number"==typeof this._options.clientMaxWindowBits&&(t.client_max_window_bits=this._options.clientMaxWindowBits);return t}normalizeParams(e){return e.forEach((e=>{Object.keys(e).forEach((t=>{let s=e[t];if(s.length>1)throw new Error(`Parameter "${t}" must have only a single value`);if(s=s[0],"client_max_window_bits"===t){if(!0!==s){const e=+s;if(!Number.isInteger(e)||e<8||e>15)throw new TypeError(`Invalid value for parameter "${t}": ${s}`);s=e}else if(!this._isServer)throw new TypeError(`Invalid value for parameter "${t}": ${s}`)}else if("server_max_window_bits"===t){const e=+s;if(!Number.isInteger(e)||e<8||e>15)throw new TypeError(`Invalid value for parameter "${t}": ${s}`);s=e}else{if("client_no_context_takeover"!==t&&"server_no_context_takeover"!==t)throw new Error(`Unknown parameter "${t}"`);if(!0!==s)throw new TypeError(`Invalid value for parameter "${t}": ${s}`)}e[t]=s}))})),e}decompress(e,t,s){f.add((r=>{this._decompress(e,t,((e,t)=>{r(),s(e,t)}))}))}compress(e,t,s){f.add((r=>{this._compress(e,t,((e,t)=>{r(),s(e,t)}))}))}_decompress(s,r,i){const h=this._isServer?"client":"server";if(!this._inflate){const t=`${h}_max_window_bits`,s="number"!=typeof this.params[t]?e.Z_DEFAULT_WINDOWBITS:this.params[t];this._inflate=e.createInflateRaw({...this._options.zlibInflateOptions,windowBits:s}),this._inflate[n]=this,this._inflate[a]=0,this._inflate[l]=[],this._inflate.on("error",p),this._inflate.on("data",_)}this._inflate[c]=i,this._inflate.write(s),r&&this._inflate.write(o),this._inflate.flush((()=>{const e=this._inflate[d];if(e)return this._inflate.close(),this._inflate=null,void i(e);const s=t.concat(this._inflate[l],this._inflate[a]);this._inflate._readableState.endEmitted?(this._inflate.close(),this._inflate=null):(this._inflate[a]=0,this._inflate[l]=[],r&&this.params[`${h}_no_context_takeover`]&&this._inflate.reset()),i(null,s)}))}_compress(s,r,o){const n=this._isServer?"server":"client";if(!this._deflate){const t=`${n}_max_window_bits`,s="number"!=typeof this.params[t]?e.Z_DEFAULT_WINDOWBITS:this.params[t];this._deflate=e.createDeflateRaw({...this._options.zlibDeflateOptions,windowBits:s}),this._deflate[a]=0,this._deflate[l]=[],this._deflate.on("data",u)}this._deflate[c]=o,this._deflate.write(s),this._deflate.flush(e.Z_SYNC_FLUSH,(()=>{if(!this._deflate)return;let e=t.concat(this._deflate[l],this._deflate[a]);r&&(e=new i(e.buffer,e.byteOffset,e.length-4)),this._deflate[c]=null,this._deflate[a]=0,this._deflate[l]=[],r&&this.params[`${n}_no_context_takeover`]&&this._deflate.reset(),o(null,e)}))}}}var T,C,N,L,P,B,R,U,I,M,W,D,A,j,F,$,G,V,q,z,H,Y={exports:{}};function X(){if(T)return Y.exports;T=1;const{isUtf8:e}=c,{hasBlob:t}=E();function s(e){const t=e.length;let s=0;for(;s<t;)if(128&e[s])if(192==(224&e[s])){if(s+1===t||128!=(192&e[s+1])||192==(254&e[s]))return!1;s+=2}else if(224==(240&e[s])){if(s+2>=t||128!=(192&e[s+1])||128!=(192&e[s+2])||224===e[s]&&128==(224&e[s+1])||237===e[s]&&160==(224&e[s+1]))return!1;s+=3}else{if(240!=(248&e[s]))return!1;if(s+3>=t||128!=(192&e[s+1])||128!=(192&e[s+2])||128!=(192&e[s+3])||240===e[s]&&128==(240&e[s+1])||244===e[s]&&e[s+1]>143||e[s]>244)return!1;s+=4}else s++;return!0}if(Y.exports={isBlob:function(e){return t&&"object"==typeof e&&"function"==typeof e.arrayBuffer&&"string"==typeof e.type&&"function"==typeof e.stream&&("Blob"===e[Symbol.toStringTag]||"File"===e[Symbol.toStringTag])},isValidStatusCode:function(e){return e>=1e3&&e<=1014&&1004!==e&&1005!==e&&1006!==e||e>=3e3&&e<=4999},isValidUTF8:s,tokenChars:[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,1,1,0,0,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,1,0]},e)Y.exports.isValidUTF8=function(t){return t.length<24?s(t):e(t)};else if(!process.env.WS_NO_UTF_8_VALIDATE)try{const e=require("utf-8-validate");Y.exports.isValidUTF8=function(t){return t.length<32?s(t):e(t)}}catch(e){}return Y.exports}function K(){if(N)return C;N=1;const{Writable:e}=n,t=O(),{BINARY_TYPES:s,EMPTY_BUFFER:r,kStatusCode:i,kWebSocket:o}=E(),{concat:a,toArrayBuffer:h,unmask:c}=x(),{isValidStatusCode:l,isValidUTF8:d}=X(),f=Buffer[Symbol.species];return C=class extends e{constructor(e={}){super(),this._allowSynchronousEvents=void 0===e.allowSynchronousEvents||e.allowSynchronousEvents,this._binaryType=e.binaryType||s[0],this._extensions=e.extensions||{},this._isServer=!!e.isServer,this._maxPayload=0|e.maxPayload,this._skipUTF8Validation=!!e.skipUTF8Validation,this[o]=void 0,this._bufferedBytes=0,this._buffers=[],this._compressed=!1,this._payloadLength=0,this._mask=void 0,this._fragmented=0,this._masked=!1,this._fin=!1,this._opcode=0,this._totalPayloadLength=0,this._messageLength=0,this._fragments=[],this._errored=!1,this._loop=!1,this._state=0}_write(e,t,s){if(8===this._opcode&&0==this._state)return s();this._bufferedBytes+=e.length,this._buffers.push(e),this.startLoop(s)}consume(e){if(this._bufferedBytes-=e,e===this._buffers[0].length)return this._buffers.shift();if(e<this._buffers[0].length){const t=this._buffers[0];return this._buffers[0]=new f(t.buffer,t.byteOffset+e,t.length-e),new f(t.buffer,t.byteOffset,e)}const t=Buffer.allocUnsafe(e);do{const s=this._buffers[0],r=t.length-e;e>=s.length?t.set(this._buffers.shift(),r):(t.set(new Uint8Array(s.buffer,s.byteOffset,e),r),this._buffers[0]=new f(s.buffer,s.byteOffset+e,s.length-e)),e-=s.length}while(e>0);return t}startLoop(e){this._loop=!0;do{switch(this._state){case 0:this.getInfo(e);break;case 1:this.getPayloadLength16(e);break;case 2:this.getPayloadLength64(e);break;case 3:this.getMask();break;case 4:this.getData(e);break;case 5:case 6:return void(this._loop=!1)}}while(this._loop);this._errored||e()}getInfo(e){if(this._bufferedBytes<2)return void(this._loop=!1);const s=this.consume(2);if(48&s[0]){return void e(this.createError(RangeError,"RSV2 and RSV3 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_2_3"))}const r=!(64&~s[0]);if(!r||this._extensions[t.extensionName]){if(this._fin=!(128&~s[0]),this._opcode=15&s[0],this._payloadLength=127&s[1],0===this._opcode){if(r){return void e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"))}if(!this._fragmented){return void e(this.createError(RangeError,"invalid opcode 0",!0,1002,"WS_ERR_INVALID_OPCODE"))}this._opcode=this._fragmented}else if(1===this._opcode||2===this._opcode){if(this._fragmented){return void e(this.createError(RangeError,`invalid opcode ${this._opcode}`,!0,1002,"WS_ERR_INVALID_OPCODE"))}this._compressed=r}else{if(!(this._opcode>7&&this._opcode<11)){return void e(this.createError(RangeError,`invalid opcode ${this._opcode}`,!0,1002,"WS_ERR_INVALID_OPCODE"))}if(!this._fin){return void e(this.createError(RangeError,"FIN must be set",!0,1002,"WS_ERR_EXPECTED_FIN"))}if(r){return void e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"))}if(this._payloadLength>125||8===this._opcode&&1===this._payloadLength){return void e(this.createError(RangeError,`invalid payload length ${this._payloadLength}`,!0,1002,"WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH"))}}if(this._fin||this._fragmented||(this._fragmented=this._opcode),this._masked=!(128&~s[1]),this._isServer){if(!this._masked){return void e(this.createError(RangeError,"MASK must be set",!0,1002,"WS_ERR_EXPECTED_MASK"))}}else if(this._masked){return void e(this.createError(RangeError,"MASK must be clear",!0,1002,"WS_ERR_UNEXPECTED_MASK"))}126===this._payloadLength?this._state=1:127===this._payloadLength?this._state=2:this.haveLength(e)}else{e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"))}}getPayloadLength16(e){this._bufferedBytes<2?this._loop=!1:(this._payloadLength=this.consume(2).readUInt16BE(0),this.haveLength(e))}getPayloadLength64(e){if(this._bufferedBytes<8)return void(this._loop=!1);const t=this.consume(8),s=t.readUInt32BE(0);if(s>Math.pow(2,21)-1){e(this.createError(RangeError,"Unsupported WebSocket frame: payload length > 2^53 - 1",!1,1009,"WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH"))}else this._payloadLength=s*Math.pow(2,32)+t.readUInt32BE(4),this.haveLength(e)}haveLength(e){if(this._payloadLength&&this._opcode<8&&(this._totalPayloadLength+=this._payloadLength,this._totalPayloadLength>this._maxPayload&&this._maxPayload>0)){e(this.createError(RangeError,"Max payload size exceeded",!1,1009,"WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"))}else this._masked?this._state=3:this._state=4}getMask(){this._bufferedBytes<4?this._loop=!1:(this._mask=this.consume(4),this._state=4)}getData(e){let t=r;if(this._payloadLength){if(this._bufferedBytes<this._payloadLength)return void(this._loop=!1);t=this.consume(this._payloadLength),this._masked&&0!==(this._mask[0]|this._mask[1]|this._mask[2]|this._mask[3])&&c(t,this._mask)}if(this._opcode>7)this.controlMessage(t,e);else{if(this._compressed)return this._state=5,void this.decompress(t,e);t.length&&(this._messageLength=this._totalPayloadLength,this._fragments.push(t)),this.dataMessage(e)}}decompress(e,s){this._extensions[t.extensionName].decompress(e,this._fin,((e,t)=>{if(e)return s(e);if(t.length){if(this._messageLength+=t.length,this._messageLength>this._maxPayload&&this._maxPayload>0){const e=this.createError(RangeError,"Max payload size exceeded",!1,1009,"WS_ERR_UNSUPPORTED_MESSAGE_LENGTH");return void s(e)}this._fragments.push(t)}this.dataMessage(s),0===this._state&&this.startLoop(s)}))}dataMessage(e){if(!this._fin)return void(this._state=0);const t=this._messageLength,s=this._fragments;if(this._totalPayloadLength=0,this._messageLength=0,this._fragmented=0,this._fragments=[],2===this._opcode){let r;r="nodebuffer"===this._binaryType?a(s,t):"arraybuffer"===this._binaryType?h(a(s,t)):"blob"===this._binaryType?new Blob(s):s,this._allowSynchronousEvents?(this.emit("message",r,!0),this._state=0):(this._state=6,setImmediate((()=>{this.emit("message",r,!0),this._state=0,this.startLoop(e)})))}else{const r=a(s,t);if(!this._skipUTF8Validation&&!d(r)){const t=this.createError(Error,"invalid UTF-8 sequence",!0,1007,"WS_ERR_INVALID_UTF8");return void e(t)}5===this._state||this._allowSynchronousEvents?(this.emit("message",r,!1),this._state=0):(this._state=6,setImmediate((()=>{this.emit("message",r,!1),this._state=0,this.startLoop(e)})))}}controlMessage(e,t){if(8!==this._opcode)this._allowSynchronousEvents?(this.emit(9===this._opcode?"ping":"pong",e),this._state=0):(this._state=6,setImmediate((()=>{this.emit(9===this._opcode?"ping":"pong",e),this._state=0,this.startLoop(t)})));else{if(0===e.length)this._loop=!1,this.emit("conclude",1005,r),this.end();else{const s=e.readUInt16BE(0);if(!l(s)){const e=this.createError(RangeError,`invalid status code ${s}`,!0,1002,"WS_ERR_INVALID_CLOSE_CODE");return void t(e)}const r=new f(e.buffer,e.byteOffset+2,e.length-2);if(!this._skipUTF8Validation&&!d(r)){const e=this.createError(Error,"invalid UTF-8 sequence",!0,1007,"WS_ERR_INVALID_UTF8");return void t(e)}this._loop=!1,this.emit("conclude",s,r),this.end()}this._state=0}}createError(e,t,s,r,o){this._loop=!1,this._errored=!0;const n=new e(s?`Invalid WebSocket frame: ${t}`:t);return Error.captureStackTrace(n,this.createError),n.code=o,n[i]=r,n}}}function Z(){if(P)return L;P=1;const{randomFillSync:e}=o,t=O(),{EMPTY_BUFFER:s,kWebSocket:r,NOOP:i}=E(),{isBlob:n,isValidStatusCode:a}=X(),{mask:h,toBuffer:c}=x(),l=Symbol("kByteLength"),d=Buffer.alloc(4),f=8192;let u,_=f;class p{constructor(e,t,s){this._extensions=t||{},s&&(this._generateMask=s,this._maskBuffer=Buffer.alloc(4)),this._socket=e,this._firstFragment=!0,this._compress=!1,this._bufferedBytes=0,this._queue=[],this._state=0,this.onerror=i,this[r]=void 0}static frame(t,s){let r,i,o=!1,n=2,a=!1;s.mask&&(r=s.maskBuffer||d,s.generateMask?s.generateMask(r):(_===f&&(void 0===u&&(u=Buffer.alloc(f)),e(u,0,f),_=0),r[0]=u[_++],r[1]=u[_++],r[2]=u[_++],r[3]=u[_++]),a=0===(r[0]|r[1]|r[2]|r[3]),n=6),"string"==typeof t?i=s.mask&&!a||void 0===s[l]?(t=Buffer.from(t)).length:s[l]:(i=t.length,o=s.mask&&s.readOnly&&!a);let c=i;i>=65536?(n+=8,c=127):i>125&&(n+=2,c=126);const p=Buffer.allocUnsafe(o?i+n:n);return p[0]=s.fin?128|s.opcode:s.opcode,s.rsv1&&(p[0]|=64),p[1]=c,126===c?p.writeUInt16BE(i,2):127===c&&(p[2]=p[3]=0,p.writeUIntBE(i,4,6)),s.mask?(p[1]|=128,p[n-4]=r[0],p[n-3]=r[1],p[n-2]=r[2],p[n-1]=r[3],a?[p,t]:o?(h(t,r,p,n,i),[p]):(h(t,r,t,0,i),[p,t])):[p,t]}close(e,t,r,i){let o;if(void 0===e)o=s;else{if("number"!=typeof e||!a(e))throw new TypeError("First argument must be a valid error code number");if(void 0!==t&&t.length){const s=Buffer.byteLength(t);if(s>123)throw new RangeError("The message must not be greater than 123 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s=b(t)?t.size:D(t).length;e._socket?e._sender._bufferedBytes+=s:e._bufferedAmount+=s}if(s){const t=new Error(`WebSocket is not open: readyState ${e.readyState} (${F[e.readyState]})`);process.nextTick(s,t)}}function ee(e,t){const s=this[C];s._closeFrameReceived=!0,s._closeMessage=t,s._closeCode=e,void 0!==s._socket[C]&&(s._socket.removeListener("data",de),process.nextTick(ae,s._socket),1005===e?s.close():s.close(e,t))}function te(){const e=this[C];e.isPaused||e._socket.resume()}function se(e){const t=this[C];void 0!==t._socket[C]&&(t._socket.removeListener("data",de),process.nextTick(ae,t._socket),t.close(e[T])),t._errorEmitted||(t._errorEmitted=!0,t.emit("error",e))}function re(){this[C].emitClose()}function ie(e,t){this[C].emit("message",e,t)}function oe(e){const t=this[C];t._autoPong&&t.pong(e,!this._isServer,N),t.emit("ping",e)}function ne(e){this[C].emit("pong",e)}function ae(e){e.resume()}function he(e){const t=this[C];t.readyState!==G.CLOSED&&(t.readyState===G.OPEN&&(t._readyState=G.CLOSING,ce(t)),this._socket.end(),t._errorEmitted||(t._errorEmitted=!0,t.emit("error",e)))}function ce(e){e._closeTimer=setTimeout(e._socket.destroy.bind(e._socket),3e4)}function le(){const e=this[C];let t;this.removeListener("close",le),this.removeListener("data",de),this.removeListener("end",fe),e._readyState=G.CLOSING,this._readableState.endEmitted||e._closeFrameReceived||e._receiver._writableState.errorEmitted||null===(t=e._socket.read())||e._receiver.write(t),e._receiver.end(),this[C]=void 0,clearTimeout(e._closeTimer),e._receiver._writableState.finished||e._receiver._writableState.errorEmitted?e.emitClose():(e._receiver.on("error",re),e._receiver.on("finish",re))}function de(e){this[C]._receiver.write(e)||this.pause()}function fe(){const e=this[C];e._readyState=G.CLOSING,e._receiver.end(),this.end()}function ue(){const 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Object.defineProperty(G,"CONNECTING",{enumerable:!0,value:F.indexOf("CONNECTING")}),Object.defineProperty(G.prototype,"CONNECTING",{enumerable:!0,value:F.indexOf("CONNECTING")}),Object.defineProperty(G,"OPEN",{enumerable:!0,value:F.indexOf("OPEN")}),Object.defineProperty(G.prototype,"OPEN",{enumerable:!0,value:F.indexOf("OPEN")}),Object.defineProperty(G,"CLOSING",{enumerable:!0,value:F.indexOf("CLOSING")}),Object.defineProperty(G.prototype,"CLOSING",{enumerable:!0,value:F.indexOf("CLOSING")}),Object.defineProperty(G,"CLOSED",{enumerable:!0,value:F.indexOf("CLOSED")}),Object.defineProperty(G.prototype,"CLOSED",{enumerable:!0,value:F.indexOf("CLOSED")}),["binaryType","bufferedAmount","extensions","isPaused","protocol","readyState","url"].forEach((e=>{Object.defineProperty(G.prototype,e,{enumerable:!0})})),["open","error","close","message"].forEach((e=>{Object.defineProperty(G.prototype,`on${e}`,{enumerable:!0,get(){for(const t of this.listeners(e))if(t[w])return t[k];return 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t{constructor(e,t){if(super(),null==(e={allowSynchronousEvents:!0,autoPong:!0,maxPayload:104857600,skipUTF8Validation:!1,perMessageDeflate:!1,handleProtocols:null,clientTracking:!0,verifyClient:null,noServer:!1,backlog:null,server:null,host:null,path:null,port:null,WebSocket:c,...e}).port&&!e.server&&!e.noServer||null!=e.port&&(e.server||e.noServer)||e.server&&e.noServer)throw new TypeError('One and only one of the "port", "server", or "noServer" options must be specified');if(null!=e.port?(this._server=r.createServer(((e,t)=>{const s=r.STATUS_CODES[426];t.writeHead(426,{"Content-Length":s.length,"Content-Type":"text/plain"}),t.end(s)})),this._server.listen(e.port,e.host,e.backlog,t)):e.server&&(this._server=e.server),this._server){const e=this.emit.bind(this,"connection");this._removeListeners=function(e,t){for(const s of Object.keys(t))e.on(s,t[s]);return function(){for(const s of 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p(o,503);const f=["HTTP/1.1 101 Switching Protocols","Upgrade: websocket","Connection: Upgrade",`Sec-WebSocket-Accept: ${i("sha1").update(t+l).digest("base64")}`],m=new this.options.WebSocket(null,void 0,this.options);if(s.size){const e=this.options.handleProtocols?this.options.handleProtocols(s,r):s.values().next().value;e&&(f.push(`Sec-WebSocket-Protocol: ${e}`),m._protocol=e)}if(e[a.extensionName]){const t=e[a.extensionName].params,s=n.format({[a.extensionName]:[t]});f.push(`Sec-WebSocket-Extensions: ${s}`),m._extensions=e}this.emit("headers",f,r),o.write(f.concat("\r\n").join("\r\n")),o.removeListener("error",_),m.setSocket(o,h,{allowSynchronousEvents:this.options.allowSynchronousEvents,maxPayload:this.options.maxPayload,skipUTF8Validation:this.options.skipUTF8Validation}),this.clients&&(this.clients.add(m),m.on("close",(()=>{this.clients.delete(m),this._shouldEmitClose&&!this.clients.size&&process.nextTick(u,this)}))),c(m,r)}},$}function se(){if(q)return V;q=1;const e=Q();return e.createWebSocketStream=function(){if(A)return D;A=1,Q();const{Duplex:e}=n;function t(e){e.emit("close")}function s(){!this.destroyed&&this._writableState.finished&&this.destroy()}function r(e){this.removeListener("error",r),this.destroy(),0===this.listenerCount("error")&&this.emit("error",e)}return D=function(i,o){let n=!0;const a=new e({...o,autoDestroy:!1,emitClose:!1,objectMode:!1,writableObjectMode:!1});return i.on("message",(function(e,t){const s=!t&&a._readableState.objectMode?e.toString():e;a.push(s)||i.pause()})),i.once("error",(function(e){a.destroyed||(n=!1,a.destroy(e))})),i.once("close",(function(){a.destroyed||a.push(null)})),a._destroy=function(e,s){if(i.readyState===i.CLOSED)return s(e),void process.nextTick(t,a);let r=!1;i.once("error",(function(e){r=!0,s(e)})),i.once("close",(function(){r||s(e),process.nextTick(t,a)})),n&&i.terminate()},a._final=function(e){i.readyState!==i.CONNECTING?null!==i._socket&&(i._socket._writableState.finished?(e(),a._readableState.endEmitted&&a.destroy()):(i._socket.once("finish",(function(){e()})),i.close())):i.once("open",(function(){a._final(e)}))},a._read=function(){i.isPaused&&i.resume()},a._write=function(e,t,s){i.readyState!==i.CONNECTING?i.send(e,s):i.once("open",(function(){a._write(e,t,s)}))},a.on("end",s),a.on("error",r),a},D}(),e.Server=te(),e.Receiver=K(),e.Sender=Z(),e.WebSocket=e,e.WebSocketServer=e.Server,V=e}var re=l(function(){if(H)return z;H=1;var e=function(){return e=function e(t){var s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.wsUrl=t,this.socket=null,this.listeners={},this.dataCallbacks={},this.queue=[],this.headers=s.headers||{},this.connect()},(t=[{key:"connect",value:function(){var e=this,t="undefined"!=typeof WebSocket?WebSocket:se();this.socket=new t(this.wsUrl),this.socket.onopen=function(){for(console.log("🟢 WebSocket connected");e.queue.length>0;){var t=e.queue.shift();e.socket.send(JSON.stringify(t))}Object.keys(e.listeners).forEach((function(t){e.sendMessage({type:"subscribe",path:t})}))},this.socket.onmessage=function(t){try{var s=JSON.parse(t.data);"update"===s.type&&e.listeners[s.path]&&e.listeners[s.path].forEach((function(e){return e(s.data)})),"data"===s.type&&e.dataCallbacks[s.path]&&(e.dataCallbacks[s.path].forEach((function(e){return e(s.data)})),delete e.dataCallbacks[s.path])}catch(e){console.error("Error parsing message:",e)}},this.socket.onclose=function(){console.warn("🔴 WebSocket disconnected. Reconnecting..."),setTimeout((function(){return e.connect()}),3e3)}}},{key:"_generateId",value:function(){for(var e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",t="",s=0;s<17;s++)t+=e.charAt(Math.floor(62*Math.random()));return"".concat(Date.now()).concat(t)}},{key:"setHeader",value:function(e,t){this.headers[e]=t}},{key:"sendMessage",value:function(e){var t=_(_({},e),{},{headers:this.headers});1===this.socket.readyState?this.socket.send(JSON.stringify(t)):this.queue.push(t)}},{key:"subscribe",value:function(e){this.sendMessage({type:"subscribe",path:e})}},{key:"on",value:function(e,t){this.listeners[e]||(this.listeners[e]=[],this.subscribe(e)),this.listeners[e].push(t)}},{key:"get",value:function(e,t){this.dataCallbacks[e]||(this.dataCallbacks[e]=[]),this.dataCallbacks[e].push(t),this.sendMessage({type:"get",path:e})}},{key:"set",value:function(e,t){this.sendMessage({type:"set",path:e,data:t})}},{key:"push",value:function(e,t){var s=this._generateId();return this.set("".concat(e,"/").concat(s),t),s}},{key:"update",value:function(e,t){this.sendMessage({type:"update",path:e,data:t})}},{key:"delete",value:function(e){this.sendMessage({type:"delete",path:e})}}])&&d(e.prototype,t),s&&d(e,s),Object.defineProperty(e,"prototype",{writable:!1}),e;var e,t,s}();return"undefined"!=typeof window&&(window.Nudb=e),z=e}());export{re as default};
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