RevelaNetwork/Revela-Frontend
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only throw if navigator.serviceWorker is undefined

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This commit is contained in:
David Reed 2023-06-20 22:39:40 +03:00
parent f1ff584176
commit efeae66746
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1 changed files with 8 additions and 7 deletions
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5
public/register-sw.js
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@ -5,7 +5,7 @@
const stockSW = "/uv/sw.js";
/**
* List of hostnames that are allowed to run serviceworkers on http:
* List of hostnames that are allowed to run serviceworkers on http://
*/
const swAllowedHostnames = ["localhost", "127.0.0.1"];
@ -14,14 +14,15 @@ const swAllowedHostnames = ["localhost", "127.0.0.1"];
* Used in 404.html and index.html
*/
async function registerSW() {
if (!navigator.serviceWorker) {
if (
location.protocol !== "https:" &&
!swAllowedHostnames.includes(location.hostname)
)
throw new Error("Service workers cannot be registered without https.");
if (!navigator.serviceWorker)
throw new Error("Your browser doesn't support service workers.");
}
// Ultraviolet has a stock `sw.js` script.
await navigator.serviceWorker.register(stockSW, {