GoogleChrome/sw-precacheArchived
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Sw Precache
sw-precache ist ein Service-Worker-Precache-Generator, der verwendet wird, um Skripte zu erstellen, die Offline-Funktionalität für Webanwendungen ermöglichen. Er fungiert als Asset-Cache-Manager zur Build-Zeit, der statische Dateien hasht und deren Versionierung innerhalb eines Service-Worker-Caches verwaltet.
Das Projekt bietet einen Runtime-Cache-Konfigurator zur Definition von Caching-Strategien und Request-Handlern für dynamische Inhalte basierend auf URL-Mustern. Es enthält zudem einen Offline-Fallback-Handler, um Netzwerkfehler abzufangen und zwischengespeicherte Fallback-Seiten bereitzustellen.
Das Toolset deckt die Generierung von Service-Worker-Code und Manifesten, Content-Hash-basierte Versionierung sowie das Abfangen von Fetch-Ereignissen ab. Es bietet eine Kommandozeilenschnittstelle zur Generierung von Service-Worker-Dateien unter Verwendung von Konfigurationsdateien und benutzerdefinierten Flags.
Features
- Offline Web Applications - Enables web applications to function without an internet connection through static asset precaching and fallback pages.
- Web Asset Caches - Manages a build-time cache of static web assets using content hashes for efficient versioning in service workers.
- Service Worker Manifests - Generates the static asset lists and version manifests required for service worker precaching during the build process.
- Progressive Web Apps - Implements core PWA capabilities by caching essential files during the build process for improved reliability and load times.
- Build Artifact Content Hashes - Uses content hashing of static assets to generate deterministic cache keys for versioning and updates.
- Fetch Event Interceptors - Intercepts browser fetch events to implement custom caching and routing logic for network requests.
- Service Worker Script Generators - Transforms JavaScript or JSON configuration into a functional service worker script via a build-step module.
- Service Worker Generators - Provides a command line interface to automate the generation of service worker files and manifests.
- Service Worker Precaching - Generates service worker scripts that automatically download and version static assets for offline use.
- Route Pattern Matching - Matches request URLs against regular expressions to apply specific caching strategies for dynamic content.
- Offline Fallback Content - Intercepts failed network requests for HTML pages and returns cached fallback content to maintain availability.
- Offline Fallback Pages - Intercepts network failures to serve cached fallback pages, ensuring application availability without connectivity.
- Caching Strategy Handlers - Defines reusable caching strategies that determine how to resolve dynamic requests between the cache and the network.
- Fallback Response Handlers - Serves custom fallback responses and pages when requested resources are missing or unavailable offline.
- Offline Web Caching - Provides strategies for caching dynamic network requests based on URL patterns to reduce server load.
- Development Libraries - Automates the generation of service workers for static asset caching.
- Service Worker Libraries - Generates service worker code for precaching static assets.
