July 2018
Intermediate to advanced
354 pages
8h 51m
English
Content preview from Progressive Web Application Development by Example
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Adding background sync functionality
Service worker background sync is a little complicated. It requires that you wrap all network-related activities you want to include in your sync logic in tags. This means in many cases that you must modify or completely rewrite your caching logic.
Plus, most browsers do not have support for this feature yet. We are on the verge of ubiquitous support, but that has limited this important feature's appeal.
However, Workbox includes a plugin module to make background sync a breeze. Just like the Expiration plugin, you add the Background Sync plugin to a strategy's list:
workbox.routing.registerRoute( new RegExp('/event/'), workbox.strategies.cacheFirst({ cacheName: 'events', plugins: [ new workbox.expiration.Plugin({ ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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