jimmywarting/StreamSaver.js
4,355 estrellas·440 forks·JavaScript·MIT·5 vistasjimmywarting.github.io/StreamSaver.js/example.html↗
StreamSaver.js
StreamSaver.js es una librería de flujos de escritura (writable streams) para navegadores y un guardador de archivos del lado del cliente. Proporciona un mecanismo para escribir flujos de datos directamente en el sistema de archivos local, evitando el enfoque estándar de guardado basado en blobs para prevenir el agotamiento de la memoria del navegador.
La librería convierte los flujos del navegador en archivos descargables, permitiendo la exportación de grandes volúmenes de datos y archivos pesados sin necesidad de almacenar en búfer toda la carga útil en la memoria RAM. Soporta la escritura de capturas de audio y video en tiempo real directamente al disco para evitar el desbordamiento de memoria durante sesiones de grabación prolongadas.
Features
- Browser Writable Stream Libraries - Provides a JavaScript library that writes data streams directly to the local filesystem to avoid browser memory exhaustion.
- Streamed Writes - Creates a writable stream that sends generated data directly to the filesystem to handle large files.
- Browser-Side Data Export - Exports massive datasets generated in the browser directly to the local filesystem to avoid browser crashes.
- Browser Download Streaming - Processes continuous data streams in the browser to trigger file downloads before the full payload is buffered.
- Browser-to-File Streaming - Implements a mechanism to stream data chunks directly into a downloadable file to prevent browser memory overflow.
- Large-File Download Triggers - Saves large amounts of generated data to the local disk without crashing the browser due to memory exhaustion.
- Client-Side Stream Buffering - Passes data chunks through the browser pipeline immediately to avoid heap overflow during large file saves.
- Direct-to-File Response Saving - Writes generated data streams directly to the filesystem to minimize memory overhead.
- Client-Side File Savers - Provides a mechanism for saving large generated files or media recordings to disk without buffering the entire payload in RAM.
- File Streaming - Converts browser streams into downloadable files by bypassing the standard blob-based save approach.
- Web Streams API Integrations - Uses the standard Web Streams API to pipe data from a source to a filesystem destination without buffering.
- Large Data Streamers - Handles massive data streams by writing them directly to the filesystem to avoid exhausting memory.
- Media Stream Recording - Writes real-time audio and video captures directly to the local filesystem to prevent memory exhaustion.
- Real-Time Recording Persistence - Writes live audio or video streams directly to the filesystem to prevent memory overflow during capture.
- Download Proxying - Intercepts fetch requests via a service worker to pipe streamed responses directly into a browser download.
- Fetch-Based Download Loopbacks - Creates a local URL that triggers a browser download by looping a stream back through a fetch request.
