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https://github.com/worker-tools/stream-response
Fetch API Response objects made from async generators.
https://github.com/worker-tools/stream-response
cloudflare-workers deno workers
Last synced: 3 months ago
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Fetch API Response objects made from async generators.
- Host: GitHub
- URL: https://github.com/worker-tools/stream-response
- Owner: worker-tools
- License: mit
- Created: 2022-04-26T12:12:24.000Z (almost 3 years ago)
- Default Branch: master
- Last Pushed: 2022-06-01T05:43:27.000Z (over 2 years ago)
- Last Synced: 2024-10-28T12:16:44.454Z (4 months ago)
- Topics: cloudflare-workers, deno, workers
- Language: TypeScript
- Homepage: https://workers.tools/stream-response
- Size: 15.6 KB
- Stars: 4
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE.md
Awesome Lists containing this project
README
# Stream Response
Fetch API `Response` objects made from async generators. Build streaming HTML responses or SSE with JS sugar.
Example:
```js
async function* generate() {
for await (const row of iterAllRows()) {
yield `${row.join(',')}\n`
}
}
router.get('/large.csv', () => new StreamResponse(generate(), {
headers: [['content-type', 'text/csv']]
}))
```
Creating a SSE endpoint works much the same way:
```js
async function* sse() {
while (true) {
await new Promise(r => setTimeout(r, 1000));
yield 'data: hello\n\n';
}
}
router.get('/sse', contentType(['text/event-stream']), (req, { type }) => {
return new StreamResponse(sse(), { headers: [['content-type', type]] })
})
```
*[SSE]: Server Sent Events
--------
This module is part of the Worker Tools collection
⁕
[Worker Tools](https://workers.tools) are a collection of TypeScript libraries for writing web servers in [Worker Runtimes](https://workers.js.org) such as Cloudflare Workers, Deno Deploy and Service Workers in the browser.
If you liked this module, you might also like:
- 🧭 [__Worker Router__][router] --- Complete routing solution that works across CF Workers, Deno and Service Workers
- 🔋 [__Worker Middleware__][middleware] --- A suite of standalone HTTP server-side middleware with TypeScript support
- 📄 [__Worker HTML__][html] --- HTML templating and streaming response library
- 📦 [__Storage Area__][kv-storage] --- Key-value store abstraction across [Cloudflare KV][cloudflare-kv-storage], [Deno][deno-kv-storage] and browsers.
- 🆗 [__Response Creators__][response-creators] --- Factory functions for responses with pre-filled status and status text
- 🎏 [__Stream Response__][stream-response] --- Use async generators to build streaming responses for SSE, etc...
- 🥏 [__JSON Fetch__][json-fetch] --- Drop-in replacements for Fetch API classes with first class support for JSON.
- 🦑 [__JSON Stream__][json-stream] --- Streaming JSON parser/stingifier with first class support for web streams.
Worker Tools also includes a number of polyfills that help bridge the gap between Worker Runtimes:
- ✏️ [__HTML Rewriter__][html-rewriter] --- Cloudflare's HTML Rewriter for use in Deno, browsers, etc...
- 📍 [__Location Polyfill__][location-polyfill] --- A `Location` polyfill for Cloudflare Workers.
- 🦕 [__Deno Fetch Event Adapter__][deno-fetch-event-adapter] --- Dispatches global `fetch` events using Deno’s native HTTP server.
[router]: https://workers.tools/router
[middleware]: https://workers.tools/middleware
[html]: https://workers.tools/html
[kv-storage]: https://workers.tools/kv-storage
[cloudflare-kv-storage]: https://workers.tools/cloudflare-kv-storage
[deno-kv-storage]: https://workers.tools/deno-kv-storage
[kv-storage-polyfill]: https://workers.tools/kv-storage-polyfill
[response-creators]: https://workers.tools/response-creators
[stream-response]: https://workers.tools/stream-response
[json-fetch]: https://workers.tools/json-fetch
[json-stream]: https://workers.tools/json-stream
[request-cookie-store]: https://workers.tools/request-cookie-store
[extendable-promise]: https://workers.tools/extendable-promise
[html-rewriter]: https://workers.tools/html-rewriter
[location-polyfill]: https://workers.tools/location-polyfill
[deno-fetch-event-adapter]: https://workers.tools/deno-fetch-event-adapter
Fore more visit [workers.tools](https://workers.tools).