[READ-ONLY] Mirror of https://github.com/improsocial/impro
An extensible Bluesky client for web
impro.social
Load new version when available
Grace Kind
(Jul 7, 2026, 4:59 PM -0500)
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package.json
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package.json
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src/index.html
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src/index.html
···
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import { enableErrorLogs } from "/js/errorLogs.js";
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import "/js/perf.js";
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// Reload when a newer version is deployed
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const RELOAD_GUARD_KEY = "version-check-last-reload";
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const RELOAD_GUARD_MS = 60 * 1000;
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async function fetchDeployedVersion() {
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try {
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const response = await fetch("/version.json", { cache: "no-store" });
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if (!response.ok) {
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return null;
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}
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const data = await response.json();
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return data.version ?? null;
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} catch {
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return null;
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}
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}
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async function reloadIfOutdated() {
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const deployedVersion = await fetchDeployedVersion();
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if (
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deployedVersion === null ||
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deployedVersion === window.env.version
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) {
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return;
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}
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// Guard against a reload loop if the server keeps returning stale HTML
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const lastReload = Number(sessionStorage.getItem(RELOAD_GUARD_KEY));
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if (lastReload && Date.now() - lastReload < RELOAD_GUARD_MS) {
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console.warn(
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`Deployed version ${deployedVersion} differs from running version ${window.env.version}, but a reload was already attempted recently - skipping`,
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);
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return;
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}
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sessionStorage.setItem(RELOAD_GUARD_KEY, String(Date.now()));
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window.location.reload();
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}
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reloadIfOutdated();
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window.addEventListener("visibilitychange", () => {
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if (document.visibilityState === "visible") {
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reloadIfOutdated();
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}
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});
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window.addEventListener("pageshow", (event) => {
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if (event.persisted) {
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reloadIfOutdated();
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}
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});
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const params = new URLSearchParams(window.location.search);
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// Dev tools