{"id":13688531,"url":"https://github.com/worker-tools/deno-kv-storage","last_synced_at":"2025-04-10T23:14:15.777Z","repository":{"id":62421972,"uuid":"344674398","full_name":"worker-tools/deno-kv-storage","owner":"worker-tools","description":"An implementation of the StorageArea interface for 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Deno Storage Area\n\nAn implementation of the StorageArea ([1],[2],[3]) interface for Deno with an extensible system for supporting various database backends.\n\nThe goal of this class is ease of use and compatibility with other Storage Area implementations, \nsuch as [`kv-storage-polyfill`](https://github.com/GoogleChromeLabs/kv-storage-polyfill).\n\nWhile work on [the specification](https://wicg.github.io/kv-storage/) itself has stopped, \nKV Storage is still a good interface for asynchronous data access that feels native to JavaScript.\n\n## Example\n\n```ts\n// file: \"mod.ts\"\nimport { StorageArea } from 'https://deno.land/x/kv_storage/sqlite.ts';\n\nconst storage = new StorageArea();\n\nawait storage.set(['a', 3, new Date(0)], { \n  foo: 'bar',\n  fizz: new Set(['buzz']),\n  xyz: new Uint8Array([255]),\n});\n\nconsole.log(await storage.get(['a', 3, new Date(0)]));\n```\n\n## Prerequisites\n\nA URL to a database needs to be provided via environment variable alongside the following permissions (for SQLite adapters):\n\n    DENO_STORAGE_AREA__DEFAULT_URL=sqlite://database.sqlite deno run --allow-read --allow-write --allow-env mod.ts\n\nThere are other ways of providing the database URL:\n\n*  As a static variable:\n\n   ```ts\n   StorageArea.defaultURL = 'sqlite://database.sqlite';\n   ```\n\n*  As a global variable:\n\n   ```ts\n   self['DENO_STORAGE_AREA__DEFAULT_URL'] = 'sqlite://database.sqlite';\n   ```\n\n*  As a constructor argument:\n\n   ```ts\n   new StorageArea('default', { url: 'sqlite://database.sqlite' });\n   ```\n\n\n[1]: https://developers.google.com/web/updates/2019/03/kv-storage\n[2]: https://css-tricks.com/kv-storage/\n[3]: https://github.com/WICG/kv-storage\n\n## Features\n\nBeyond the cross-worker-env aspects of using StorageArea, it aso provides a number of quality of life improvements over using other key value implementations:\n\n* Wrapping and Unwrapping of many built-in types, such as `Map` and `Set` (Structured Clone Algorithm)\n* Support for non-string keys and complex keys\n\n## Disclaimers\n\nNote that efficiency is not a goal. Specifically, if you have sizable `ArrayBuffer`s,\nit's better to use a database implementation with proper support for binary data.\n\n\u003cbr/\u003e\n\n--------\n\n\u003cbr/\u003e\n\n\u003cp align=\"center\"\u003e\u003ca href=\"https://workers.tools\"\u003e\u003cimg src=\"https://workers.tools/assets/img/logo.svg\" width=\"100\" height=\"100\" /\u003e\u003c/a\u003e\n\u003cp align=\"center\"\u003eThis module is part of the Worker Tools collection\u003cbr/\u003e⁕\n\n[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. \n\nIf you liked this module, you might also like:\n\n- 🧭 [__Worker Router__][router] --- Complete routing solution that works across CF Workers, Deno and Service Workers\n- 🔋 [__Worker Middleware__][middleware] --- A suite of standalone HTTP server-side middleware with TypeScript support\n- 📄 [__Worker HTML__][html] --- HTML templating and streaming response library\n- 📦 [__Storage Area__][kv-storage] --- Key-value store abstraction across [Cloudflare KV][cloudflare-kv-storage], [Deno][deno-kv-storage] and browsers.\n- 🆗 [__Response Creators__][response-creators] --- Factory functions for responses with pre-filled status and status text\n- 🎏 [__Stream Response__][stream-response] --- Use async generators to build streaming responses for SSE, etc...\n- 🥏 [__JSON Fetch__][json-fetch] --- Drop-in replacements for Fetch API classes with first class support for JSON.\n- 🦑 [__JSON Stream__][json-stream] --- Streaming JSON parser/stingifier with first class support for web streams.\n\nWorker Tools also includes a number of polyfills that help bridge the gap between Worker Runtimes:\n- ✏️ [__HTML Rewriter__][html-rewriter] --- Cloudflare's HTML Rewriter for use in Deno, browsers, etc...\n- 📍 [__Location Polyfill__][location-polyfill] --- A `Location` polyfill for Cloudflare Workers.\n- 🦕 [__Deno Fetch Event Adapter__][deno-fetch-event-adapter] --- Dispatches global `fetch` events using Deno’s native HTTP server.\n\n[router]: https://workers.tools/router\n[middleware]: https://workers.tools/middleware\n[html]: https://workers.tools/html\n[kv-storage]: https://workers.tools/kv-storage\n[cloudflare-kv-storage]: https://workers.tools/cloudflare-kv-storage\n[deno-kv-storage]: https://workers.tools/deno-kv-storage\n[kv-storage-polyfill]: https://workers.tools/kv-storage-polyfill\n[response-creators]: https://workers.tools/response-creators\n[stream-response]: https://workers.tools/stream-response\n[json-fetch]: https://workers.tools/json-fetch\n[json-stream]: https://workers.tools/json-stream\n[request-cookie-store]: https://workers.tools/request-cookie-store\n[extendable-promise]: https://workers.tools/extendable-promise\n[html-rewriter]: https://workers.tools/html-rewriter\n[location-polyfill]: https://workers.tools/location-polyfill\n[deno-fetch-event-adapter]: https://workers.tools/deno-fetch-event-adapter\n\nFore more visit [workers.tools](https://workers.tools).","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fworker-tools%2Fdeno-kv-storage","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fworker-tools%2Fdeno-kv-storage","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fworker-tools%2Fdeno-kv-storage/lists"}