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Service worker synchronous loading test
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| Hello world! |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Service Worker</title> | |
| </head> | |
| <body> | |
| <script> | |
| if ('serviceWorker' in navigator) { | |
| var counter = 0; | |
| setInterval(() => { | |
| var id = ++counter; | |
| console.log("FETCHING", id); | |
| fetch("./foo").then((x) => { | |
| return x.text(); | |
| }).then((x) => { | |
| console.log("FETCH SUCCESSFUL", id); | |
| }).catch((e) => { | |
| console.error("FETCH FAILED", id, e); | |
| }); | |
| }, 1000); | |
| navigator.serviceWorker.register("./worker.js") | |
| .then((reg) => { | |
| console.log("Registration succeeded. Scope is " + reg.scope); | |
| }).catch((error) => { | |
| console.log("Registration failed", error); | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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| console.log("INITIALIZING WORKER"); | |
| // Simulates synchronous loading | |
| function loadSync() { | |
| const end = Date.now() + 60000; | |
| while (Date.now() < end) {} | |
| } | |
| loadSync(); | |
| // Simulates asynchronous loading | |
| var loadingWasm = new Promise((resolve) => { | |
| setTimeout(() => { | |
| resolve(); | |
| }, 60000); | |
| }); | |
| self.addEventListener("fetch", (req) => { | |
| console.log("RESPONDING"); | |
| req.respondWith(loadingWasm.then(() => { | |
| return fetch(req.request); | |
| })); | |
| }); | |
| console.log("WORKER INITIALIZED"); |
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