!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).BareMux={})}(this,(function(e){"use strict";const t=globalThis.fetch,r=globalThis.SharedWorker,a=globalThis.localStorage,o=globalThis.navigator.serviceWorker,s=MessagePort.prototype.postMessage,n={prototype:{send:WebSocket.prototype.send},CLOSED:WebSocket.CLOSED,CLOSING:WebSocket.CLOSING,CONNECTING:WebSocket.CONNECTING,OPEN:WebSocket.OPEN};async function c(){const e=(await self.clients.matchAll({type:"window",includeUncontrolled:!0})).map((async e=>{const t=await function(e){let t=new MessageChannel;return new Promise((r=>{e.postMessage({type:"getPort",port:t.port2},[t.port2]),t.port1.onmessage=e=>{r(e.data)}}))}(e);return await i(t),t})),t=Promise.race([Promise.any(e),new Promise(((e,t)=>setTimeout(t,1e3,new TypeError("timeout"))))]);try{return await t}catch(e){if(e instanceof AggregateError)throw console.error("bare-mux: failed to get a bare-mux SharedWorker MessagePort as all clients returned an invalid MessagePort."),new Error("All clients returned an invalid MessagePort.");return console.warn("bare-mux: failed to get a bare-mux SharedWorker MessagePort within 1s, retrying"),await c()}}function i(e){const t=new MessageChannel,r=new Promise(((e,r)=>{t.port1.onmessage=t=>{"pong"===t.data.type&&e()},setTimeout(r,1500)}));return s.call(e,{message:{type:"ping"},port:t.port2},[t.port2]),r}function l(e,t){const a=new r(e,"bare-mux-worker");return t&&o.addEventListener("message",(t=>{if("getPort"===t.data.type&&t.data.port){console.debug("bare-mux: recieved request for port from sw");const a=new r(e,"bare-mux-worker");s.call(t.data.port,a.port,[a.port])}})),a.port}let h=null;function d(){if(null===h){const e=new MessageChannel,t=new ReadableStream;let r;try{s.call(e.port1,t,[t]),r=!0}catch(e){r=!1}return h=r,r}return h}class p{constructor(e){this.channel=new BroadcastChannel("bare-mux"),e instanceof MessagePort||e instanceof Promise?this.port=e:this.createChannel(e,!0)}createChannel(e,t){if(self.clients)this.port=c(),this.channel.onmessage=e=>{"refreshPort"===e.data.type&&(this.port=c())};else if(e&&SharedWorker){if(!e.startsWith("/")&&!e.includes("://"))throw new Error("Invalid URL. Must be absolute or start at the root.");this.port=l(e,t),console.debug("bare-mux: setting localStorage bare-mux-path to",e),a["bare-mux-path"]=e}else{if(!SharedWorker)throw new Error("Unable to get a channel to the SharedWorker.");{const e=a["bare-mux-path"];if(console.debug("bare-mux: got localStorage bare-mux-path:",e),!e)throw new Error("Unable to get bare-mux workerPath from localStorage.");this.port=l(e,t)}}}async sendMessage(e,t){this.port instanceof Promise&&(this.port=await this.port);try{await i(this.port)}catch{return console.warn("bare-mux: Failed to get a ping response from the worker within 1.5s. Assuming port is dead."),this.createChannel(),await this.sendMessage(e,t)}const r=new MessageChannel,a=[r.port2,...t||[]],o=new Promise(((e,t)=>{r.port1.onmessage=r=>{const a=r.data;"error"===a.type?t(a.error):e(a)}}));return s.call(this.port,{message:e,port:r.port2},a),await o}}class u extends EventTarget{constructor(e,t=[],r,a){super(),this.protocols=t,this.readyState=n.CONNECTING,this.url=e.toString(),this.protocols=t;const o=e=>{this.protocols=e,this.readyState=n.OPEN;const t=new Event("open");this.dispatchEvent(t)},s=async e=>{const t=new MessageEvent("message",{data:e});this.dispatchEvent(t)},c=(e,t)=>{this.readyState=n.CLOSED;const r=new CloseEvent("close",{code:e,reason:t});this.dispatchEvent(r)},i=()=>{this.readyState=n.CLOSED;const e=new Event("error");this.dispatchEvent(e)};this.channel=new MessageChannel,this.channel.port1.onmessage=e=>{"open"===e.data.type?o(e.data.args[0]):"message"===e.data.type?s(e.data.args[0]):"close"===e.data.type?c(e.data.args[0],e.data.args[1]):"error"===e.data.type&&i()},r.sendMessage({type:"websocket",websocket:{url:e.toString(),protocols:t,requestHeaders:a,channel:this.channel.port2}},[this.channel.port2])}send(...e){if(this.readyState===n.CONNECTING)throw new DOMException("Failed to execute 'send' on 'WebSocket': Still in CONNECTING state.");let t=e[0];t.buffer&&(t=t.buffer.slice(t.byteOffset,t.byteOffset+t.byteLength)),s.call(this.channel.port1,{type:"data",data:t},t instanceof ArrayBuffer?[t]:[])}close(e,t){s.call(this.channel.port1,{type:"close",closeCode:e,closeReason:t})}}function w(e,t,r){console.error(`error while processing '${r}': `,t),e.postMessage({type:"error",error:t})}function f(e){for(let t=0;t<e.length;t++){const r=e[t];if(!"!#$%&'*+-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ^_`abcdefghijklmnopqrstuvwxyz|~".includes(r))return!1}return!0}const g=["ws:","wss:"],y=[101,204,205,304],b=[301,302,303,307,308];class m{constructor(e){this.worker=new p(e)}createWebSocket(e,t=[],r,a){try{e=new URL(e)}catch(t){throw new DOMException(`Faiiled to construct 'WebSocket': The URL '${e}' is invalid.`)}if(!g.includes(e.protocol))throw new DOMException(`Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. '${e.protocol}' is not allowed.`);Array.isArray(t)||(t=[t]),t=t.map(String);for(const e of t)if(!f(e))throw new DOMException(`Failed to construct 'WebSocket': The subprotocol '${e}' is invalid.`);a=a||{};return new u(e,t,this.worker,a)}async fetch(e,r){const a=new Request(e,r),o=r?.headers||a.headers,s=o instanceof Headers?Object.fromEntries(o):o,n=a.body;let c=new URL(a.url);if(c.protocol.startsWith("blob:")){const e=await t(c),r=new Response(e.body,e);return r.rawHeaders=Object.fromEntries(e.headers),r}for(let e=0;;e++){let t=(await this.worker.sendMessage({type:"fetch",fetch:{remote:c.toString(),method:a.method,headers:s,body:n||void 0}},n?[n]:[])).fetch,o=new Response(y.includes(t.status)?void 0:t.body,{headers:new Headers(t.headers),status:t.status,statusText:t.statusText});o.rawHeaders=t.headers,o.rawResponse=t,o.finalURL=c.toString();const i=r?.redirect||a.redirect;if(!b.includes(o.status))return o;switch(i){case"follow":{const t=o.headers.get("location");if(20>e&&null!==t){c=new URL(t,c);continue}throw new TypeError("Failed to fetch")}case"error":throw new TypeError("Failed to fetch");case"manual":return o}}}}console.debug("bare-mux: running v2.1.7 (build c56d286)"),e.BareClient=m,e.BareMuxConnection=class{constructor(e){this.worker=new p(e)}async getTransport(){return(await this.worker.sendMessage({type:"get"})).name}async setTransport(e,t,r){await this.setManualTransport(`\n\t\t\tconst { default: BareTransport } = await import("${e}");\n\t\t\treturn [BareTransport, "${e}"];\n\t\t`,t,r)}async setManualTransport(e,t,r){if("bare-mux-remote"===e)throw new Error("Use setRemoteTransport.");await this.worker.sendMessage({type:"set",client:{function:e,args:t}},r)}async setRemoteTransport(e,t){const r=new MessageChannel;r.port1.onmessage=async t=>{const r=t.data.port,a=t.data.message;if("fetch"===a.type)try{e.ready||await e.init(),await async function(e,t,r){const a=await r.request(new URL(e.fetch.remote),e.fetch.method,e.fetch.body,e.fetch.headers,null);if(!d()&&a.body instanceof ReadableStream){const e=new Response(a.body);a.body=await e.arrayBuffer()}a.body instanceof ReadableStream||a.body instanceof ArrayBuffer?s.call(t,{type:"fetch",fetch:a},[a.body]):s.call(t,{type:"fetch",fetch:a})}(a,r,e)}catch(e){w(r,e,"fetch")}else if("websocket"===a.type)try{e.ready||await e.init(),await async function(e,t,r){const[a,o]=r.connect(new URL(e.websocket.url),e.websocket.protocols,e.websocket.requestHeaders,(t=>{s.call(e.websocket.channel,{type:"open",args:[t]})}),(t=>{t instanceof ArrayBuffer?s.call(e.websocket.channel,{type:"message",args:[t]},[t]):s.call(e.websocket.channel,{type:"message",args:[t]})}),((t,r)=>{s.call(e.websocket.channel,{type:"close",args:[t,r]})}),(t=>{s.call(e.websocket.channel,{type:"error",args:[t]})}));e.websocket.channel.onmessage=e=>{"data"===e.data.type?a(e.data.data):"close"===e.data.type&&o(e.data.closeCode,e.data.closeReason)},s.call(t,{type:"websocket"})}(a,r,e)}catch(e){w(r,e,"websocket")}},await this.worker.sendMessage({type:"set",client:{function:"bare-mux-remote",args:[r.port2,t]}},[r.port2])}getInnerPort(){return this.worker.port}},e.BareWebSocket=u,e.WebSocketFields=n,e.WorkerConnection=p,e.browserSupportsTransferringStreams=d,e.default=m,e.maxRedirects=20,e.validProtocol=f,Object.defineProperty(e,"__esModule",{value:!0})}));
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