peerjs/dist/serializer.msgpack.mjs

PeerJS client

function e(e){return"".concat(e<0?"-":"","0x").concat(Math.abs(e).toString(16).padStart(2,"0"))}var t,n,i,r,o,s,a=function(e,t){this.type=e,this.data=t},c=(t=function(e,n){return(t=Object.setPrototypeOf||({__proto__:[]})instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n])})(e,n)},function(e,n){if("function"!=typeof n&&null!==n)throw TypeError("Class extends value "+String(n)+" is not a constructor or null");function i(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(i.prototype=n.prototype,new i)}),h=function(e){function t(n){var i=e.call(this,n)||this;return Object.setPrototypeOf(i,Object.create(t.prototype)),Object.defineProperty(i,"name",{configurable:!0,enumerable:!1,value:t.name}),i}return c(t,e),t}(Error);function f(e,t,n){var i=Math.floor(n/0x100000000);e.setUint32(t,i),e.setUint32(t+4,n)}function l(e,t){return 0x100000000*e.getInt32(t)+e.getUint32(t+4)}var u={type:-1,encode:function(e){var t,n,i,r;return e instanceof Date?function(e){var t=e.sec,n=e.nsec;if(t>=0&&n>=0&&t<=0x3ffffffff)if(0===n&&t<=0xffffffff){var i=new Uint8Array(4),r=new DataView(i.buffer);return r.setUint32(0,t),i}else{var o=t/0x100000000,i=new Uint8Array(8),r=new DataView(i.buffer);return r.setUint32(0,n<<2|3&o),r.setUint32(4,0|t),i}var i=new Uint8Array(12),r=new DataView(i.buffer);return r.setUint32(0,n),f(r,4,t),i}((n=Math.floor((t=e.getTime())/1e3),r=Math.floor((i=(t-1e3*n)*1e6)/1e9),{sec:n+r,nsec:i-1e9*r})):null},decode:function(e){var t=function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);switch(e.byteLength){case 4:var n=t.getUint32(0),i=0;return{sec:n,nsec:0};case 8:var r=t.getUint32(0),n=(3&r)*0x100000000+t.getUint32(4),i=r>>>2;return{sec:n,nsec:i};case 12:var n=l(t,4),i=t.getUint32(0);return{sec:n,nsec:i};default:throw new h("Unrecognized data size for timestamp (expected 4, 8, or 12): ".concat(e.length))}}(e);return new Date(1e3*t.sec+t.nsec/1e6)}},d=function(){function e(){this.builtInEncoders=[],this.builtInDecoders=[],this.encoders=[],this.decoders=[],this.register(u)}return e.prototype.register=function(e){var t=e.type,n=e.encode,i=e.decode;if(t>=0)this.encoders[t]=n,this.decoders[t]=i;else{var r=1+t;this.builtInEncoders[r]=n,this.builtInDecoders[r]=i}},e.prototype.tryToEncode=function(e,t){for(var n=0;n<this.builtInEncoders.length;n++){var i=this.builtInEncoders[n];if(null!=i){var r=i(e,t);if(null!=r){var o=-1-n;return new a(o,r)}}}for(var n=0;n<this.encoders.length;n++){var i=this.encoders[n];if(null!=i){var r=i(e,t);if(null!=r){var o=n;return new a(o,r)}}}return e instanceof a?e:null},e.prototype.decode=function(e,t,n){var i=t<0?this.builtInDecoders[-1-t]:this.decoders[t];return i?i(e,t,n):new a(t,e)},e.defaultCodec=new e,e}(),p="undefined"!=typeof TextEncoder&&"undefined"!=typeof TextDecoder;function y(e){for(var t=e.length,n=0,i=0;i<t;){var r=e.charCodeAt(i++);if((0xffffff80&r)==0){n++;continue}if((0xfffff800&r)==0)n+=2;else{if(r>=55296&&r<=56319&&i<t){var o=e.charCodeAt(i);(64512&o)==56320&&(++i,r=((1023&r)<<10)+(1023&o)+65536)}(0xffff0000&r)==0?n+=3:n+=4}}return n}var v=p?new TextEncoder:void 0,w=0xffffffff*!p,g=(null==v?void 0:v.encodeInto)?function(e,t,n){v.encodeInto(e,t.subarray(n))}:function(e,t,n){t.set(v.encode(e),n)};function b(e,t,n){for(var i=t,r=i+n,o=[],s="";i<r;){var a=e[i++];if((128&a)==0)o.push(a);else if((224&a)==192){var c=63&e[i++];o.push((31&a)<<6|c)}else if((240&a)==224){var c=63&e[i++],h=63&e[i++];o.push((31&a)<<12|c<<6|h)}else if((248&a)==240){var c=63&e[i++],h=63&e[i++],f=(7&a)<<18|c<<12|h<<6|63&e[i++];f>65535&&(f-=65536,o.push(f>>>10&1023|55296),f=56320|1023&f),o.push(f)}else o.push(a);o.length>=4096&&(s+=String.fromCharCode.apply(String,o),o.length=0)}return o.length>0&&(s+=String.fromCharCode.apply(String,o)),s}var m=p?new TextDecoder:null,U=0xffffffff*!p;function x(e){return e instanceof Uint8Array?e:ArrayBuffer.isView(e)?new Uint8Array(e.buffer,e.byteOffset,e.byteLength):e instanceof ArrayBuffer?new Uint8Array(e):Uint8Array.from(e)}var S=function(){function e(e,t){void 0===e&&(e=16),void 0===t&&(t=16),this.maxKeyLength=e,this.maxLengthPerKey=t,this.hit=0,this.miss=0,this.caches=[];for(var n=0;n<this.maxKeyLength;n++)this.caches.push([])}return e.prototype.canBeCached=function(e){return e>0&&e<=this.maxKeyLength},e.prototype.find=function(e,t,n){var i=this.caches[n-1];e:for(var r=0;r<i.length;r++){for(var o=i[r],s=o.bytes,a=0;a<n;a++)if(s[a]!==e[t+a])continue e;return o.str}return null},e.prototype.store=function(e,t){var n=this.caches[e.length-1],i={bytes:e,str:t};n.length>=this.maxLengthPerKey?n[Math.random()*n.length|0]=i:n.push(i)},e.prototype.decode=function(e,t,n){var i=this.find(e,t,n);if(null!=i)return this.hit++,i;this.miss++;var r=b(e,t,n),o=Uint8Array.prototype.slice.call(e,t,t+n);return this.store(o,r),r},e}(),_=function(e,t){var n,i,r,o,s={label:0,sent:function(){if(1&r[0])throw r[1];return r[1]},trys:[],ops:[]};return o={next:a(0),throw:a(1),return:a(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function a(o){return function(a){var c=[o,a];if(n)throw TypeError("Generator is already executing.");for(;s;)try{if(n=1,i&&(r=2&c[0]?i.return:c[0]?i.throw||((r=i.return)&&r.call(i),0):i.next)&&!(r=r.call(i,c[1])).done)return r;switch(i=0,r&&(c=[2&c[0],r.value]),c[0]){case 0:case 1:r=c;break;case 4:return s.label++,{value:c[1],done:!1};case 5:s.label++,i=c[1],c=[0];continue;case 7:c=s.ops.pop(),s.trys.pop();continue;default:if(!(r=(r=s.trys).length>0&&r[r.length-1])&&(6===c[0]||2===c[0])){s=0;continue}if(3===c[0]&&(!r||c[1]>r[0]&&c[1]<r[3])){s.label=c[1];break}if(6===c[0]&&s.label<r[1]){s.label=r[1],r=c;break}if(r&&s.label<r[2]){s.label=r[2],s.ops.push(c);break}r[2]&&s.ops.pop(),s.trys.pop();continue}c=t.call(e,s)}catch(e){c=[6,e],i=0}finally{n=r=0}if(5&c[0])throw c[1];return{value:c[0]?c[1]:void 0,done:!0}}}},C=function(e){if(!Symbol.asyncIterator)throw TypeError("Symbol.asyncIterator is not defined.");var t,n=e[Symbol.asyncIterator];return n?n.call(e):(e="function"==typeof __values?__values(e):e[Symbol.iterator](),t={},i("next"),i("throw"),i("return"),t[Symbol.asyncIterator]=function(){return this},t);function i(n){t[n]=e[n]&&function(t){return new Promise(function(i,r){var o,s,a;o=i,s=r,a=(t=e[n](t)).done,Promise.resolve(t.value).then(function(e){o({value:e,done:a})},s)})}}},E=function(e){return this instanceof E?(this.v=e,this):new E(e)},I=function(e,t,n){if(!Symbol.asyncIterator)throw TypeError("Symbol.asyncIterator is not defined.");var i,r=n.apply(e,t||[]),o=[];return i={},s("next"),s("throw"),s("return"),i[Symbol.asyncIterator]=function(){return this},i;function s(e){r[e]&&(i[e]=function(t){return new Promise(function(n,i){o.push([e,t,n,i])>1||a(e,t)})})}function a(e,t){try{var n;(n=r[e](t)).value instanceof E?Promise.resolve(n.value.v).then(c,h):f(o[0][2],n)}catch(e){f(o[0][3],e)}}function c(e){a("next",e)}function h(e){a("throw",e)}function f(e,t){e(t),o.shift(),o.length&&a(o[0][0],o[0][1])}},T=function(e){var t=typeof e;return"string"===t||"number"===t},k=new DataView(new ArrayBuffer(0)),A=new Uint8Array(k.buffer),L=function(){try{k.getInt8(0)}catch(e){return e.constructor}throw Error("never reached")}(),B=new L("Insufficient data"),D=new S,R=function(){function t(e,t,n,i,r,o,s,a){void 0===e&&(e=d.defaultCodec),void 0===t&&(t=void 0),void 0===n&&(n=0xffffffff),void 0===i&&(i=0xffffffff),void 0===r&&(r=0xffffffff),void 0===o&&(o=0xffffffff),void 0===s&&(s=0xffffffff),void 0===a&&(a=D),this.extensionCodec=e,this.context=t,this.maxStrLength=n,this.maxBinLength=i,this.maxArrayLength=r,this.maxMapLength=o,this.maxExtLength=s,this.keyDecoder=a,this.totalPos=0,this.pos=0,this.view=k,this.bytes=A,this.headByte=-1,this.stack=[]}return t.prototype.reinitializeState=function(){this.totalPos=0,this.headByte=-1,this.stack.length=0},t.prototype.setBuffer=function(e){this.bytes=x(e),this.view=function(e){if(e instanceof ArrayBuffer)return new DataView(e);var t=x(e);return new DataView(t.buffer,t.byteOffset,t.byteLength)}(this.bytes),this.pos=0},t.prototype.appendBuffer=function(e){if(-1!==this.headByte||this.hasRemaining(1)){var t=this.bytes.subarray(this.pos),n=x(e),i=new Uint8Array(t.length+n.length);i.set(t),i.set(n,t.length),this.setBuffer(i)}else this.setBuffer(e)},t.prototype.hasRemaining=function(e){return this.view.byteLength-this.pos>=e},t.prototype.createExtraByteError=function(e){var t=this.view,n=this.pos;return RangeError("Extra ".concat(t.byteLength-n," of ").concat(t.byteLength," byte(s) found at buffer[").concat(e,"]"))},t.prototype.decode=function(e){this.reinitializeState(),this.setBuffer(e);var t=this.doDecodeSync();if(this.hasRemaining(1))throw this.createExtraByteError(this.pos);return t},t.prototype.decodeMulti=function(e){return _(this,function(t){switch(t.label){case 0:this.reinitializeState(),this.setBuffer(e),t.label=1;case 1:if(!this.hasRemaining(1))return[3,3];return[4,this.doDecodeSync()];case 2:return t.sent(),[3,1];case 3:return[2]}})},t.prototype.decodeAsync=function(t){var n,i,r,o,s,a,c,h;return s=this,a=void 0,c=void 0,h=function(){var s,a,c,h,f,l,u;return _(this,function(d){switch(d.label){case 0:s=!1,d.label=1;case 1:d.trys.push([1,6,7,12]),n=C(t),d.label=2;case 2:return[4,n.next()];case 3:if((i=d.sent()).done)return[3,5];if(c=i.value,s)throw this.createExtraByteError(this.totalPos);this.appendBuffer(c);try{a=this.doDecodeSync(),s=!0}catch(e){if(!(e instanceof L))throw e}this.totalPos+=this.pos,d.label=4;case 4:return[3,2];case 5:return[3,12];case 6:return r={error:d.sent()},[3,12];case 7:if(d.trys.push([7,,10,11]),!(i&&!i.done&&(o=n.return)))return[3,9];return[4,o.call(n)];case 8:d.sent(),d.label=9;case 9:return[3,11];case 10:if(r)throw r.error;return[7];case 11:return[7];case 12:if(s){if(this.hasRemaining(1))throw this.createExtraByteError(this.totalPos);return[2,a]}throw h=this,f=h.headByte,l=h.pos,u=h.totalPos,RangeError("Insufficient data in parsing ".concat(e(f)," at ").concat(u," (").concat(l," in the current buffer)"))}})},new(c||(c=Promise))(function(e,t){function n(e){try{r(h.next(e))}catch(e){t(e)}}function i(e){try{r(h.throw(e))}catch(e){t(e)}}function r(t){var r;t.done?e(t.value):((r=t.value)instanceof c?r:new c(function(e){e(r)})).then(n,i)}r((h=h.apply(s,a||[])).next())})},t.prototype.decodeArrayStream=function(e){return this.decodeMultiAsync(e,!0)},t.prototype.decodeStream=function(e){return this.decodeMultiAsync(e,!1)},t.prototype.decodeMultiAsync=function(e,t){return I(this,arguments,function(){var n,i,r,o,s,a,c,h;return _(this,function(f){switch(f.label){case 0:n=t,i=-1,f.label=1;case 1:f.trys.push([1,13,14,19]),r=C(e),f.label=2;case 2:return[4,E(r.next())];case 3:if((o=f.sent()).done)return[3,12];if(s=o.value,t&&0===i)throw this.createExtraByteError(this.totalPos);this.appendBuffer(s),n&&(i=this.readArraySize(),n=!1,this.complete()),f.label=4;case 4:f.trys.push([4,9,,10]),f.label=5;case 5:return[4,E(this.doDecodeSync())];case 6:return[4,f.sent()];case 7:if(f.sent(),0==--i)return[3,8];return[3,5];case 8:return[3,10];case 9:if(!((a=f.sent())instanceof L))throw a;return[3,10];case 10:this.totalPos+=this.pos,f.label=11;case 11:return[3,2];case 12:return[3,19];case 13:return c={error:f.sent()},[3,19];case 14:if(f.trys.push([14,,17,18]),!(o&&!o.done&&(h=r.return)))return[3,16];return[4,E(h.call(r))];case 15:f.sent(),f.label=16;case 16:return[3,18];case 17:if(c)throw c.error;return[7];case 18:return[7];case 19:return[2]}})})},t.prototype.doDecodeSync=function(){t:for(;;){var t=this.readHeadByte(),n=void 0;if(t>=224)n=t-256;else if(t<192)if(t<128)n=t;else if(t<144){var i=t-128;if(0!==i){this.pushMapState(i),this.complete();continue}n={}}else if(t<160){var i=t-144;if(0!==i){this.pushArrayState(i),this.complete();continue}n=[]}else{var r=t-160;n=this.decodeUtf8String(r,0)}else if(192===t)n=null;else if(194===t)n=!1;else if(195===t)n=!0;else if(202===t)n=this.readF32();else if(203===t)n=this.readF64();else if(204===t)n=this.readU8();else if(205===t)n=this.readU16();else if(206===t)n=this.readU32();else if(207===t)n=this.readU64();else if(208===t)n=this.readI8();else if(209===t)n=this.readI16();else if(210===t)n=this.readI32();else if(211===t)n=this.readI64();else if(217===t){var r=this.lookU8();n=this.decodeUtf8String(r,1)}else if(218===t){var r=this.lookU16();n=this.decodeUtf8String(r,2)}else if(219===t){var r=this.lookU32();n=this.decodeUtf8String(r,4)}else if(220===t){var i=this.readU16();if(0!==i){this.pushArrayState(i),this.complete();continue}n=[]}else if(221===t){var i=this.readU32();if(0!==i){this.pushArrayState(i),this.complete();continue}n=[]}else if(222===t){var i=this.readU16();if(0!==i){this.pushMapState(i),this.complete();continue}n={}}else if(223===t){var i=this.readU32();if(0!==i){this.pushMapState(i),this.complete();continue}n={}}else if(196===t){var i=this.lookU8();n=this.decodeBinary(i,1)}else if(197===t){var i=this.lookU16();n=this.decodeBinary(i,2)}else if(198===t){var i=this.lookU32();n=this.decodeBinary(i,4)}else if(212===t)n=this.decodeExtension(1,0);else if(213===t)n=this.decodeExtension(2,0);else if(214===t)n=this.decodeExtension(4,0);else if(215===t)n=this.decodeExtension(8,0);else if(216===t)n=this.decodeExtension(16,0);else if(199===t){var i=this.lookU8();n=this.decodeExtension(i,1)}else if(200===t){var i=this.lookU16();n=this.decodeExtension(i,2)}else if(201===t){var i=this.lookU32();n=this.decodeExtension(i,4)}else throw new h("Unrecognized type byte: ".concat(e(t)));this.complete();for(var o=this.stack;o.length>0;){var s=o[o.length-1];if(0===s.type)if(s.array[s.position]=n,s.position++,s.position===s.size)o.pop(),n=s.array;else continue t;else if(1===s.type){if(!T(n))throw new h("The type of key must be string or number but "+typeof n);if("__proto__"===n)throw new h("The key __proto__ is not allowed");s.key=n,s.type=2;continue t}else if(s.map[s.key]=n,s.readCount++,s.readCount===s.size)o.pop(),n=s.map;else{s.key=null,s.type=1;continue t}}return n}},t.prototype.readHeadByte=function(){return -1===this.headByte&&(this.headByte=this.readU8()),this.headByte},t.prototype.complete=function(){this.headByte=-1},t.prototype.readArraySize=function(){var t=this.readHeadByte();switch(t){case 220:return this.readU16();case 221:return this.readU32();default:if(t<160)return t-144;throw new h("Unrecognized array type byte: ".concat(e(t)))}},t.prototype.pushMapState=function(e){if(e>this.maxMapLength)throw new h("Max length exceeded: map length (".concat(e,") > maxMapLengthLength (").concat(this.maxMapLength,")"));this.stack.push({type:1,size:e,key:null,readCount:0,map:{}})},t.prototype.pushArrayState=function(e){if(e>this.maxArrayLength)throw new h("Max length exceeded: array length (".concat(e,") > maxArrayLength (").concat(this.maxArrayLength,")"));this.stack.push({type:0,size:e,array:Array(e),position:0})},t.prototype.decodeUtf8String=function(e,t){if(e>this.maxStrLength)throw new h("Max length exceeded: UTF-8 byte length (".concat(e,") > maxStrLength (").concat(this.maxStrLength,")"));if(this.bytes.byteLength<this.pos+t+e)throw B;var n,i,r,o,s=this.pos+t;return this.stateIsMapKey()&&(null==(r=this.keyDecoder)?void 0:r.canBeCached(e))?o=this.keyDecoder.decode(this.bytes,s,e):e>U?(n=this.bytes,i=n.subarray(s,s+e),o=m.decode(i)):o=b(this.bytes,s,e),this.pos+=t+e,o},t.prototype.stateIsMapKey=function(){return this.stack.length>0&&1===this.stack[this.stack.length-1].type},t.prototype.decodeBinary=function(e,t){if(e>this.maxBinLength)throw new h("Max length exceeded: bin length (".concat(e,") > maxBinLength (").concat(this.maxBinLength,")"));if(!this.hasRemaining(e+t))throw B;var n=this.pos+t,i=this.bytes.subarray(n,n+e);return this.pos+=t+e,i},t.prototype.decodeExtension=function(e,t){if(e>this.maxExtLength)throw new h("Max length exceeded: ext length (".concat(e,") > maxExtLength (").concat(this.maxExtLength,")"));var n=this.view.getInt8(this.pos+t),i=this.decodeBinary(e,t+1);return this.extensionCodec.decode(i,n,this.context)},t.prototype.lookU8=function(){return this.view.getUint8(this.pos)},t.prototype.lookU16=function(){return this.view.getUint16(this.pos)},t.prototype.lookU32=function(){return this.view.getUint32(this.pos)},t.prototype.readU8=function(){var e=this.view.getUint8(this.pos);return this.pos++,e},t.prototype.readI8=function(){var e=this.view.getInt8(this.pos);return this.pos++,e},t.prototype.readU16=function(){var e=this.view.getUint16(this.pos);return this.pos+=2,e},t.prototype.readI16=function(){var 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You should listen for the `open` event before sending messages.")}async handleMessage(e){let t=e.payload;switch(e.type){case V.Answer:await this._negotiator.handleSDP(e.type,t.sdp);break;case V.Candidate:await this._negotiator.handleCandidate(t.candidate);break;default:W.warn("Unrecognized message type:",e.type,"from peer:",this.peer)}}}class es extends eo{constructor(e,t,n){super(e,t,{...n,reliable:!0}),this._CHUNK_SIZE=32768,this._splitStream=new TransformStream({transform:(e,t)=>{for(let n=0;n<e.length;n+=this._CHUNK_SIZE)t.enqueue(e.subarray(n,n+this._CHUNK_SIZE))}}),this._rawSendStream=new WritableStream({write:async(e,t)=>{let n=new Promise(e=>this.dataChannel.addEventListener("bufferedamountlow",e,{once:!0}));await (this.dataChannel.bufferedAmount<=eo.MAX_BUFFERED_AMOUNT-e.byteLength||n);try{this.dataChannel.send(e)}catch(e){W.error(`DC#:${this.connectionId} Error when sending:`,e),t.error(e),this.close()}}}),this.writer=this._splitStream.writable.getWriter(),this._rawReadStream=new ReadableStream({start:e=>{this.once("open",()=>{this.dataChannel.addEventListener("message",t=>{e.enqueue(t.data)})})}}),this._splitStream.readable.pipeTo(this._rawSendStream)}_initializeDataChannel(e){super._initializeDataChannel(e),this.dataChannel.binaryType="arraybuffer",this.dataChannel.bufferedAmountLowThreshold=eo.MAX_BUFFERED_AMOUNT/2}}class ea extends es{constructor(e,t,n){super(e,t,n),this.serialization="MsgPack",this._encoder=new P,(async()=>{var e,t,n,i;for await(let r of(e=this._rawReadStream,void 0===t&&(t=M),n=null!=(i=e)[Symbol.asyncIterator]?i:function(e){return F(this,arguments,function(){var t,n,i,r;return O(this,function(o){switch(o.label){case 0:t=e.getReader(),o.label=1;case 1:o.trys.push([1,,9,10]),o.label=2;case 2:return[4,z(t.read())];case 3:if(i=(n=o.sent()).done,r=n.value,!i)return[3,5];return[4,z(void 0)];case 4:return[2,o.sent()];case 5:if(null==r)throw Error("Assertion Failure: value must not be null nor undefined");return[4,z(r)];case 6:return[4,o.sent()];case 7:return o.sent(),[3,2];case 8:return[3,10];case 9:return t.releaseLock(),[7];case 10:return[2]}})})}(i),new R(t.extensionCodec,t.context,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeStream(n))){if(r.__peerData?.type==="close")return void this.close();this.emit("data",r)}})()}_send(e){return this.writer.write(this._encoder.encode(e))}}export{ea as MsgPack};
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