33 lines
9.2 KiB
JavaScript
33 lines
9.2 KiB
JavaScript
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(()=>{var _={blink:!0,gecko:!1,webkit:!1,unknown:!1},K=()=>navigator.vendor==="Google Inc."||navigator.userAgent.includes("Edg/")?"blink":navigator.vendor==="Apple Computer, Inc."?"webkit":navigator.vendor===""&&navigator.userAgent.includes("Firefox")?"gecko":"unknown",L=K(),R=()=>typeof ImageDecoder>"u"?!1:L==="blink",B=()=>typeof Intl.v8BreakIterator<"u"&&typeof Intl.Segmenter<"u",z=()=>{let i=[0,97,115,109,1,0,0,0,1,5,1,95,1,120,0];return WebAssembly.validate(new Uint8Array(i))},M=()=>{let i=document.createElement("canvas");return i.width=1,i.height=1,i.getContext("webgl2")!=null?2:i.getContext("webgl")!=null?1:-1},w={browserEngine:L,hasImageCodecs:R(),hasChromiumBreakIterators:B(),supportsWasmGC:z(),crossOriginIsolated:window.crossOriginIsolated,webGLVersion:M()};function c(...i){return new URL(I(...i),document.baseURI).toString()}function I(...i){return i.filter(e=>!!e).map((e,r)=>r===0?C(e):D(C(e))).filter(e=>e.length).join("/")}function D(i){let e=0;for(;e<i.length&&i.charAt(e)==="/";)e++;return i.substring(e)}function C(i){let e=i.length;for(;e>0&&i.charAt(e-1)==="/";)e--;return i.substring(0,e)}function T(i,e){return i.canvasKitBaseUrl?i.canvasKitBaseUrl:e.engineRevision&&!e.useLocalCanvasKit?I("https://www.gstatic.com/flutter-canvaskit",e.engineRevision):"canvaskit"}var h=class{constructor(){this._scriptLoaded=!1}setTrustedTypesPolicy(e){this._ttPolicy=e}async loadEntrypoint(e){let{entrypointUrl:r=c("main.dart.js"),onEntrypointLoaded:t,nonce:n}=e||{};return this._loadJSEntrypoint(r,t,n)}async load(e,r,t,n,s){s??=d=>{d.initializeEngine(t).then(u=>u.runApp())};let{entrypointBaseUrl:a}=t,{entryPointBaseUrl:o}=t;if(!a&&o&&(console.warn("[deprecated] `entryPointBaseUrl` is deprecated and will be removed in a future release. Use `entrypointBaseUrl` instead."),a=o),e.compileTarget==="dart2wasm")return this._loadWasmEntrypoint(e,r,a,s);{let d=e.mainJsPath??"main.dart.js",u=c(a,d);return this._loadJSEntrypoint(u,s,n)}}didCreateEngineInitializer(e){typeof this._didCreateEngineInitializerResolve=="function"&&(this._didCreateEngineInitializerResolve(e),this._didCreateEngineInitializerResolve=null,delete _flutter.loader.didCreateEngineInitializer),typeof this._onEntrypointLoaded=="function"&&this._onEntrypointLoaded(e)}_loadJSEntrypoint(e,r,t){let n=typeof r=="function";if(!this._scriptLoaded){this._scriptLoaded=!0;let s=this._createScriptTag(e,t);if(n)console.debug("Injecting <script> tag. Using callback."),this._onEntrypointLoaded=r,document.head.append(s);else return new Promise((a,o)=>{console.debug("Injecting <script> tag. Using Promises. Use the callback approach instead!"),this._didCreateEngineInitializerResolve=a,s.addEventListener("error",o),document.head.append(s)})}}async _loadWasmEntrypoint(e,r,t,n){if(!this._scriptLoaded){this._scriptLoaded=!0,this._onEntrypointLoaded=n;let{mainWasmPath:s,jsSupportRuntimePath:a}=e,o=c(t,s),d=c(t,a);this._ttPolicy!=null&&(d=this._ttPolicy.createScriptURL(d));let l=(await import(d)).compileStreaming(fetch(o)),p;e.renderer==="skwasm"?p=(async()=>{let v=await r.skwasm;return window._flutter_skwasmInstance=v,{skwasm:v.wasmExports,skwasmWrapper:v,ffi:{memory:v.wasmMemory}}})():p=Promise.resolve({}),await(await(await l).instantiate(await p,{loadDynamicModule:async(v,j)=>{let x=fetch(c(t,v)),S=c(t,j);this._ttPolicy!=null&&(S=this._ttPolicy.createScriptURL(S));let A=import(S);return[await x,await A]}})).invokeMain()}}_createScriptTag(e,r){let t=document.createElement("script");t.type="application/javascript",r&&(t.nonce=r);let n=e;return this._ttPolicy!=null&&(n=this._ttPolicy.createScriptURL(e)),t.src=n,t}};async function U(i,e,r){if(e<0)return i;let t,n=new Promise((s,a)=>{t=setTimeout(()=>{a(new Error(`${r} took more than ${e}ms to resolve. Moving on.`,{cause:U}))},e)});return Promise.race([i,n]).finally(()=>{clearTimeout(t)})}var g=class{setTrustedTypesPolicy(e){this._ttPolicy=e}loadServiceWorker(e){if(!e)return console.debug("Null serviceWorker configuration. Skipping."),Promise.resolve();if(!("serviceWorker"in navigator)){let o="Service Worker API unavailable.";return window.isSe
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The current context is NOT secure.`,o+=`
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Read more: https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts`),Promise.reject(new Error(o))}let{serviceWorkerVersion:r,serviceWorkerUrl:t=c(`flutter_service_worker.js?v=${r}`),timeoutMillis:n=4e3}=e,s=t;this._ttPolicy!=null&&(s=this._ttPolicy.createScriptURL(s));let a=navigator.serviceWorker.register(s).then(o=>this._getNewServiceWorker(o,r)).then(this._waitForServiceWorkerActivation);return U(a,n,"prepareServiceWorker")}async _getNewServiceWorker(e,r){if(!e.active&&(e.installing||e.waiting))return console.debug("Installing/Activating first service worker."),e.installing||e.waiting;if(e.active.scriptURL.endsWith(r))return console.debug("Loading from existing service worker."),e.active;{let t=await e.update();return console.debug("Updating service worker."),t.installing||t.waiting||t.active}}async _waitForServiceWorkerActivation(e){if(!e||e.state==="activated")if(e){console.debug("Service worker already active.");return}else throw new Error("Cannot activate a null service worker!");return new Promise((r,t)=>{e.addEventListener("statechange",()=>{e.state==="activated"&&(console.debug("Activated new service worker."),r())})})}};var y=class{constructor(e,r="flutter-js"){let t=e||[/\.js$/,/\.mjs$/];window.trustedTypes&&(this.policy=trustedTypes.createPolicy(r,{createScriptURL:function(n){if(n.startsWith("blob:"))return n;let s=new URL(n,window.location),a=s.pathname.split("/").pop();if(t.some(d=>d.test(a)))return s.toString();console.error("URL rejected by TrustedTypes policy",r,":",n,"(download prevented)")}}))}};var k=i=>{let e=WebAssembly.compileStreaming(fetch(i));return(r,t)=>((async()=>{let n=await e,s=await WebAssembly.instantiate(n,r);t(s,n)})(),{})};var E=(i,e,r,t)=>(window.flutterCanvasKitLoaded=(async()=>{if(window.flutterCanvasKit)return window.flutterCanvasKit;let n=r.hasChromiumBreakIterators&&r.hasImageCodecs;if(!n&&e.canvasKitVariant=="chromium")throw"Chromium CanvasKit variant specifically requested, but unsupported in this browser";let s=n&&e.canvasKitVariant!=="full",a=t;e.canvasKitVariant=="experimentalWebParagraph"?a=c(a,"experimental_webparagraph"):s&&(a=c(a,"chromium"));let o=c(a,"canvaskit.js");i.flutterTT.policy&&(o=i.flutterTT.policy.createScriptURL(o));let d=k(c(a,"canvaskit.wasm")),u=await import(o);return window.flutterCanvasKit=await u.default({instantiateWasm:d}),window.flutterCanvasKit})(),window.flutterCanvasKitLoaded);var W=async(i,e,r,t)=>{let s=!r.hasImageCodecs||!r.hasChromiumBreakIterators?"skwasm_heavy":"skwasm",a=c(t,`${s}.js`),o=a;i.flutterTT.policy&&(o=i.flutterTT.policy.createScriptURL(o));let d=k(c(t,`${s}.wasm`));return await(await import(o)).default({skwasmSingleThreaded:!r.crossOriginIsolated||e.forceSingleThreadedSkwasm,instantiateWasm:d,locateFile:(l,p)=>{if(l.endsWith(".ww.js")){let f=c(t,l);return URL.createObjectURL(new Blob([`
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"use strict";
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let eventListener;
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eventListener = (message) => {
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const pendingMessages = [];
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const data = message.data;
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data["instantiateWasm"] = (info,receiveInstance) => {
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const instance = new WebAssembly.Instance(data["wasm"], info);
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return receiveInstance(instance, data["wasm"])
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};
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import(data.js).then(async (skwasm) => {
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await skwasm.default(data);
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removeEventListener("message", eventListener);
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for (const message of pendingMessages) {
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dispatchEvent(message);
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}
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});
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removeEventListener("message", eventListener);
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eventListener = (message) => {
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pendingMessages.push(message);
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};
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addEventListener("message", eventListener);
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};
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addEventListener("message", eventListener);
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`],{type:"application/javascript"}))}return url},mainScriptUrlOrBlob:a})};var P=w.supportsWasmGC,G=P&&w.webGLVersion>0,b=class{async loadEntrypoint(e){let{serviceWorker:r,...t}=e||{},n=new y,s=new g;s.setTrustedTypesPolicy(n.policy),await s.loadServiceWorker(r).catch(o=>{console.warn("Exception while loading service worker:",o)});let a=new h;return a.setTrustedTypesPolicy(n.policy),this.didCreateEngineInitializer=a.didCreateEngineInitializer.bind(a),a.loadEntrypoint(t)}async load({serviceWorkerSettings:e,onEntrypointLoaded:r,nonce:t,config:n}={}){n??={};let s=_flutter.buildConfig;if(!s)throw"FlutterLoader.load requires _flutter.buildConfig to be set";let a=n.wasmAllowList?.[w.browserEngine]??_[w.browserEngine],o=m=>{switch(m){case"skwasm":return G&&a;default:return!0}},d=m=>m.compileTarget==="dart2wasm"&&!P||n.renderer&&n.renderer!=m.renderer?!1:o(m.renderer),u=s.builds.find(d);if(!u)throw"FlutterLoader could not find a build compatible with configuration and environment.";let l={};l.flutterTT=new y,e&&(l.serviceWorkerLoader=new g,l.serviceWorkerLoader.setTrustedTypesPolicy(l.flutterTT.policy),await l.serviceWorkerLoader.loadServiceWorker(e).catch(m=>{console.warn("Exception while loading service worker:",m)}));let p=T(n,s);u.renderer==="canvaskit"?l.canvasKit=E(l,n,w,p):u.renderer==="skwasm"&&(l.skwasm=W(l,n,w,p));let f=new h;return f.setTrustedTypesPolicy(l.flutterTT.policy),this.didCreateEngineInitializer=f.didCreateEngineInitializer.bind(f),f.load(u,l,n,t,r)}};window._flutter||(window._flutter={});window._flutter.loader||(window._flutter.loader=new b);})();
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//# sourceMappingURL=flutter.js.map
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