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add error for non-whitelisted http: locations

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David Reed 2022-12-03 16:13:39 -05:00
parent 32b1bd3d9d
commit f91cd415f2
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GPG key ID: 2211691D8A1EE72F
1 changed files with 11 additions and 0 deletions
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11
public/register-sw.js
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@ -4,11 +4,22 @@
*/ */
const stockSW = "/uv/sw.js"; const stockSW = "/uv/sw.js";
/**
* List of hostnames that are allowed to run serviceworkers on http:
*/
const swAllowedHostnames = ["localhost", "127.0.0.1"];
/** /**
* Global util * Global util
* Used in 404.html and index.html * Used in 404.html and index.html
*/ */
async function registerSW() { async function registerSW() {
if (
location.protocol !== "https:" &&
!swAllowedHostnames.includes(location.hostname)
)
throw new Error("Service workers cannot be registered without https.");
if (!navigator.serviceWorker) if (!navigator.serviceWorker)
throw new Error("Your browser doesn't support service workers."); throw new Error("Your browser doesn't support service workers.");