feat(pwa): ✨ add new network only strategy

src/serviceworker/src/strategy.ts

@@ -54,6 +54,32 @@ export class Strategy {
 			}
 		}
 	}
+
+	networkOnly(
+		{ request, preloadResponse }: Pick<FetchEvent, 'request' | 'preloadResponse'>,
+		ac: AbortController = new AbortController()
+	): Promise<Response> {
+		// Browser preload
+		const preload = getPreload(preloadResponse, ac)
+			.then(response => {
+				if (response === undefined) {
+					throw new Error(`no preload response for ${request.url}`)
+				}
+				// Cancel fetch event
+				ac.abort()
+				return response
+			})
+
+		// Client fetch
+		const fetched = fetch(request, { signal: ac.signal })
+			.then(response => {
+				// Cancel preload event
+				ac.abort()
+				return response
+			})
+		
+		return Promise.race([preload, fetched])		
+	}
 }
 
 function getPreload(