17 lines
776 B
TypeScript
17 lines
776 B
TypeScript
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// The network-first strategy for API reads, kept apart from src/sw.ts so the
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// tests can run it without a service worker.
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import type { WorkboxPlugin } from 'workbox-core/types'
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import { NetworkFirst } from 'workbox-strategies'
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import { cacheNames, markCacheFallback, networkTimeoutSeconds } from './routes'
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// NetworkFirst reads its cache only when the network fails or times out, so
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// every cached response it uses is a fallback.
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const markFallback: WorkboxPlugin = {
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cachedResponseWillBeUsed: async ({ cachedResponse }) =>
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cachedResponse === undefined ? undefined : markCacheFallback(cachedResponse),
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}
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export function createApiStrategy(): NetworkFirst {
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return new NetworkFirst({ cacheName: cacheNames.api, networkTimeoutSeconds, plugins: [markFallback] })
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}
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