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[SW-tutorial] Refactor alarms API logic (sw-tips.js) (#865)

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* [SW-tutorial] Refactor alarms API logic

After doing some experiments (like closing all my browser windows which I never, EVER do...) I realized the tips logic was not working as expected, because [alarms do not persist across browser sessions[(https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/alarms#:~:text=Alarms%20do%20not%20persist%20across%20browser%20sessions.)

* Return storage set

* Tech review
This commit is contained in:
amysteamdev
2023-03-24 16:40:24 -05:00
committed by GitHub
parent 0cd692076e
commit 4aa6bdb595
1 changed files with 15 additions and 6 deletions
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21
functional-samples/tutorial.quick-api-reference/sw-tips.js
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@@ -5,16 +5,25 @@ const updateTip = async () => {
const response = await fetch('https://extension-tips.glitch.me/tips.json');
const tips = await response.json();
const randomIndex = Math.floor(Math.random() * tips.length);
await chrome.storage.local.set({ tip: tips[randomIndex] });
return chrome.storage.local.set({ tip: tips[randomIndex] });
};
// Create a daily alarm and retrieves the first tip when extension is installed.
chrome.runtime.onInstalled.addListener(({ reason }) => {
if (reason === 'install') {
chrome.alarms.create({ delayInMinutes: 1, periodInMinutes: 1440 });
const ALARM_NAME = 'tip';
// Check if alarm exists to avoid resetting the timer.
// The alarm might be removed when the browser session restarts.
async function createAlarm() {
const alarm = await chrome.alarms.get(ALARM_NAME);
if (typeof alarm === 'undefined') {
chrome.alarms.create(ALARM_NAME, {
delayInMinutes: 1,
periodInMinutes: 1440
});
updateTip();
}
});
}
createAlarm();
// Retrieve tip of the day
chrome.alarms.onAlarm.addListener(updateTip);