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fix: sidebar auto-open retry with backoff + welcome page tests

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- Replace single-attempt sidePanel.open() with autoOpenSidePanel() that
  retries up to 5 times with 500ms-5000ms backoff
- Fire on both onInstalled AND every service worker startup
- Remove misaligned arrow from welcome page, replace with text fallback
- Add 12 tests: welcome page structure, /welcome endpoint, headed launch
  navigation timing, sidebar auto-open retry logic, extension-ready event
This commit is contained in:
Garry Tan
2026-04-02 18:57:45 -07:00
parent a582f1a8bb
commit 55382859ba
2 changed files with 155 additions and 19 deletions
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44
extension/background.js
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@@ -406,29 +406,35 @@ if (chrome.sidePanel && chrome.sidePanel.setPanelBehavior) {
chrome.sidePanel.setPanelBehavior({ openPanelOnActionClick: true }).catch(() => {});
}
// Auto-open side panel on install/update AND every service worker startup.
// onInstalled fires on first install / extension update.
// The startup block below fires every time the browser launches (persistent context reuse).
chrome.runtime.onInstalled.addListener(async () => {
setTimeout(async () => {
// Auto-open side panel with retry. chrome.sidePanel.open() can fail silently
// if the window/tab isn't fully ready yet. Retry up to 5 times with backoff.
async function autoOpenSidePanel() {
if (!chrome.sidePanel?.open) return;
for (let attempt = 0; attempt < 5; attempt++) {
try {
const [win] = await chrome.windows.getAll({ windowTypes: ['normal'] });
if (win && chrome.sidePanel?.open) {
await chrome.sidePanel.open({ windowId: win.id });
const wins = await chrome.windows.getAll({ windowTypes: ['normal'] });
if (wins.length > 0) {
await chrome.sidePanel.open({ windowId: wins[0].id });
console.log(`[gstack] Side panel opened on attempt ${attempt + 1}`);
return; // success
}
} catch {}
}, 1000);
} catch (e) {
// May throw if window isn't ready or user gesture required
console.log(`[gstack] Side panel open attempt ${attempt + 1} failed:`, e.message);
}
// Backoff: 500ms, 1000ms, 2000ms, 3000ms, 5000ms
await new Promise(r => setTimeout(r, [500, 1000, 2000, 3000, 5000][attempt]));
}
console.log('[gstack] Side panel auto-open failed after 5 attempts');
}
// Fire on install/update
chrome.runtime.onInstalled.addListener(() => {
autoOpenSidePanel();
});
// Also auto-open on every browser launch (not just install)
setTimeout(async () => {
try {
const [win] = await chrome.windows.getAll({ windowTypes: ['normal'] });
if (win && chrome.sidePanel?.open) {
await chrome.sidePanel.open({ windowId: win.id });
}
} catch {}
}, 1500);
// Fire on every service worker startup (covers persistent context reuse)
autoOpenSidePanel();
// ─── Tab Switch Detection ────────────────────────────────────────
// Notify sidepanel instantly when the user switches tabs in the browser.