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base on A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/ | Announcement | | :--: | | &emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp; [Help testing the RxDB version 16 release](https://github.com/pubkey/rxdb/issues/6650) &emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp;&emsp; |   <br /> <p align="center"> <a href="https://rxdb.info/"> <img src="./docs-src/static/files/logo/logo_text.svg" width="380px" alt="JavaScript Database" /> </a> <br /> <br /> <h3 align="center">A fast, local-first, reactive Database for JavaScript Applications</h3> </p> <p align="center"> <a href="https://github.com/pubkey/rxdb/releases"><img src="https://img.shields.io/github/v/release/pubkey/rxdb?color=%23ff00a0&include_prereleases&label=version&sort=semver&style=flat-square"></a>   <a href="https://rxdb.info/tutorials/typescript.html"><img src="https://img.shields.io/npm/types/rxdb?style=flat-square"></a>   <a href="https://github.com/pubkey/rxdb/blob/master/LICENSE.txt"><img src="https://img.shields.io/github/license/pubkey/rxdb?style=flat-square"></a>   <a href="https://github.com/pubkey/rxdb/stargazers"><img src="https://img.shields.io/github/stars/pubkey/rxdb?color=f6f8fa&style=flat-square"></a>   <a href="https://www.npmjs.com/package/rxdb"><img src="https://img.shields.io/npm/dm/rxdb?color=c63a3b&style=flat-square"></a> </p> <p align="center"> <a href="https://rxdb.info/chat"><img src="https://img.shields.io/discord/969553741705539624?label=discord&style=flat-square&color=5a66f6"></a>   <a href="https://twitter.com/intent/follow?screen_name=rxdbjs"><img src="https://img.shields.io/badge/twitter-%40rxdbjs-1DA1F2?style=flat-square"></a>   <a href="https://www.linkedin.com/company/rxdb"><img src="https://img.shields.io/badge/linkedin-%40rxdb-0e76a8?style=flat-square"></a>   <a href="https://rxdb.info/newsletter"><img src="https://img.shields.io/badge/newsletter-subscribe-e05b29?style=flat-square"></a> </p> <br /> <h2> <img height="16" width="16" src="./docs-src/static/files/logo/logo.svg">  What is RxDB? </h2> <p align="justify"> RxDB (short for <b>R</b>eactive <b>D</b>ata<b>b</b>ase) is a <a href="https://rxdb.info/offline-first.html">local-first</a>, NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps, Progressive Web Apps, Deno and <a href="https://rxdb.info/nodejs-database.html">Node.js</a>. Reactive means that you can not only query the current state, but <b>subscribe</b> to all state changes like the result of a query or even a single field of a document. This is great for UI-based <b>realtime</b> applications in a way that makes it easy to develop and also has great performance benefits but can also be used to create fast backends in Node.js.<br /> RxDB provides an easy to implement <a href="https://rxdb.info/replication.html">protocol</a> for realtime <b>replication</b> with your existing infrastructure or one of the plugins for <a href="https://rxdb.info/replication-http.html">HTTP</a>, <a href="https://rxdb.info/replication-graphql.html">GraphQL</a>, <a href="https://rxdb.info/replication-couchdb.html">CouchDB</a>, <a href="https://rxdb.info/replication-websocket.html">Websocket</a>, <a href="https://rxdb.info/replication-webrtc.html">WebRTC</a>, <a href="https://github.com/marceljuenemann/rxdb-supabase">Supabase</a>, <a href="https://rxdb.info/replication-firestore.html">Firestore</a>, <a href="https://rxdb.info/replication-nats.html">NATS</a>.<br /> RxDB is based on a storage interface that enables you to swap out the underlying storage engine. This increases <b>code reuse</b> because you can use the same database code for different JavaScript environments by just switching out the storage settings. </p> Use the [quickstart](https://rxdb.info/quickstart.html), read the [documentation](https://rxdb.info/install.html) or explore the [example projects](https://github.com/pubkey/rxdb/tree/master/examples). <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/people.svg">  Used by <b style="color: #e6008d;">many</b> </h2> RxDB is a proven technology used by [thousands of developers](https://github.com/pubkey/rxdb/network/dependents) worldwide. With its flexibility, RxDB is used in a diverse range of apps and services. <a href="https://rxdb.info/#reviews" target="_blank"> <img src="./docs-src/static/files/used-by-many.png" /> </a> <br /> (<a href="https://forms.gle/7taae27VqLXqd4sF6">add yours</a>) <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/multiplayer.svg">  Multiplayer realtime applications <img height="36" src="./docs-src/static/files/icons/with-gradient/text/made-easy.svg"> </h2> ![realtime.gif](docs-src/static/files/animations/realtime.gif) <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/replication.svg">  Replicate with your <b style="color: #e6008d;">existing infrastructure</b> </h2> RxDB provides an easy to implement, <b>battle-tested</b> <a href="https://rxdb.info/replication.html"> replication protocol</a> for realtime sync with your existing infrastructure.<br /> You do not have to use a specific cloud or backend database. The protocol works by implementing three simple HTTP endpoints. There are also production-ready plugins to easily replicate with <a href="https://rxdb.info/replication-graphql.html">GraphQL</a>, <a href="https://rxdb.info/replication-couchdb.html">CouchDB</a>, <a href="https://rxdb.info/replication-websocket.html">Websocket</a>, <a href="https://rxdb.info/replication-webrtc.html">WebRTC (P2P)</a>,<a href="https://github.com/marceljuenemann/rxdb-supabase">Supabase</a>, <a href="https://rxdb.info/replication-firestore.html">Firestore</a> or <a href="https://rxdb.info/replication-nats.html">NATS</a>. <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/storage-layer.svg">  <b style="color: #8D2089;">Flexible</b> storage layer </h2> RxDB is based on a [storage interface](https://rxdb.info/rx-storage.html) that enables you to swap out the underlying storage engine. This increases **code reuse** because the same database code can be used in different JavaScript environments by just switching out the storage settings. You can use RxDB on top of [IndexedDB](https://rxdb.info/rx-storage-indexeddb.html), [OPFS](https://rxdb.info/rx-storage-opfs.html), [LokiJS](https://rxdb.info/rx-storage-lokijs.html), [Dexie.js](https://rxdb.info/rx-storage-dexie.html), [in-memory](https://rxdb.info/rx-storage-memory.html), [SQLite](https://rxdb.info/rx-storage-sqlite.html), in a [WebWorker](https://rxdb.info/rx-storage-worker.html) thread and even on top of [FoundationDB](https://rxdb.info/rx-storage-foundationdb.html) and [DenoKV](https://rxdb.info/rx-storage-denokv.html). No matter what kind of runtime you have, as long as it runs JavaScript, it can run RxDB: <h4> <img height="13" src="https://cdnjs.cloudflare.com/ajax/libs/browser-logos/39.2.2/chrome/chrome_24x24.png" /> <img height="13" src="https://cdnjs.cloudflare.com/ajax/libs/browser-logos/39.2.2/firefox/firefox_24x24.png" /> <img height="13" src="https://cdnjs.cloudflare.com/ajax/libs/browser-logos/39.2.2/safari/safari_24x24.png" /> <img height="13" src="https://cdnjs.cloudflare.com/ajax/libs/browser-logos/39.2.2/edge/edge_24x24.png" /> <img height="13" src="https://cdnjs.cloudflare.com/ajax/libs/browser-logos/39.2.2/archive/internet-explorer_9-11/internet-explorer_9-11_24x24.png" /> <a href="./examples/angular">Browsers</a> <img height="13" src="docs-src/static/files/icons/nodejs.png" /> <a href="./examples/node">Node.js</a> <img height="13" src="docs-src/static/files/icons/react-native.png" /> <a href="https://rxdb.info/react-native-database.html">React Native</a> <img height="13" src="docs-src/static/files/icons/capacitor.svg" /> <a href="https://rxdb.info/capacitor-database.html">Capacitor</a> <img height="13" src="docs-src/static/files/icons/nativescript.svg" /> <a href="https://github.com/herefishyfish/rxdb-nativescript">NativeScript</a> <img height="13" src="docs-src/static/files/icons/flutter.svg" /> <a href="./examples/flutter">Flutter</a> or as an <img height="13" src="docs-src/static/files/icons/electron.png" /> <a href="https://rxdb.info/electron-database.html">Electron Database</a> </h4> <h2> All the features that you need </h2> Since its beginning in 2018, RxDB has gained a huge set of features and plugins which makes it a flexible full solution regardless of which type of application you are building. Every feature that you need now or might need in the future is already there. <table> <tr> <td> <a href="https://rxdb.info/logger.html">Logging</a><br> <a href="https://rxdb.info/rx-attachment.html">Attachments</a><br> <a href="https://rxdb.info/orm.html">ORM</a><br> <a href="https://rxdb.info/transactions-conflicts-revisions.html">Conflict Handling</a><br> <a href="https://rxdb.info/middleware.html">Middleware</a><br> <a href="https://rxdb.info/reactivity.html">Signals</a> </td> <td> <a href="https://rxdb.info/rx-state.html">State</a><br> <a href="https://rxdb.info/backup.html">Backup</a><br> <a href="https://rxdb.info/replication.html">Replication</a><br> <a href="https://rxdb.info/rx-server.html">Server</a><br> <a href="https://rxdb.info/rx-storage.html">Storages</a><br> <a href="https://rxdb.info/rx-local-document.html">Local Documents</a> </td> <td> <a href="https://rxdb.info/schema-validation.html">Schema Validation</a><br> <a href="https://rxdb.info/key-compression.html">Compression</a><br> <a href="https://rxdb.info/migration-schema.html">Migration</a><br> <a href="https://rxdb.info/encryption.html">Encryption</a><br> <a href="https://rxdb.info/crdt.html">CRDT</a><br> <a href="https://rxdb.info/population.html">Population</a> </td> </tr> </table>  <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/rocket.svg">  Quick start </h2> #### Install ```sh npm install rxdb rxjs --save ``` #### Store data ```javascript import { createRxDatabase } from 'rxdb/plugins/core'; /** * For browsers, we use the dexie.js based storage * which stores data in IndexedDB in the browser. * In other JavaScript runtimes, we can use different storages: * @link https://rxdb.info/rx-storage.html */ import { getRxStorageDexie } from 'rxdb/plugins/storage-dexie'; // create a database const db = await createRxDatabase({ name: 'heroesdb', // the name of the database storage: getRxStorageDexie() }); // add collections await db.addCollections({ heroes: { schema: mySchema } }); // insert a document await db.heroes.insert({ name: 'Bob', healthpoints: 100 }); ``` #### Query data once ```javascript const aliveHeroes = await db.heroes.find({ selector: { healthpoints: { $gt: 0 } } }).exec(); // the exec() returns the result once ``` #### Observe a Query ```javascript await db.heroes.find({ selector: { healthpoints: { $gt: 0 } } }) .$ // the $ returns an observable that emits each time the result set of the query changes .subscribe(aliveHeroes => console.dir(aliveHeroes)); ``` <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/rocket.svg">  Get started </h2> Get started now by [reading the docs](https://rxdb.info/quickstart.html) or exploring the [example-projects](./examples). <h2> <img height="16" width="16" src="./docs-src/static/files/icons/with-gradient/contribute.svg">  Support and Contribute </h2> - **Leave a Star ☝️** - [Check out how you can contribute to this project](https://rxdb.info/contribution.html). - [Read this when you have found a bug](./orga/bug-checklist.md) - [Buy access to the premium plugins](https://rxdb.info/premium) - [Join us at discord to get help](https://rxdb.info/chat) - [Follow us at LinkedIn](https://www.linkedin.com/company/rxdb/) - [Give Feedback (anonymous)](https://forms.gle/vGaZB7zrub1hgqDk8)  #### More content [Angular Database](https://rxdb.info/articles/angular-database.html), [Frontend Database](https://rxdb.info/articles/frontend-database.html), [localStorage](https://rxdb.info/articles/localstorage.html), [React Database](https://rxdb.info/articles/react-database.html), [Browser Database](https://rxdb.info/articles/browser-database.html), [React Native Database](https://rxdb.info/react-native-database.html), [PWA Database](https://rxdb.info/articles/progressive-web-app-database.html), [In-memory NoSQL database](https://rxdb.info/articles/in-memory-nosql-database.html), [JSON database](https://rxdb.info/articles/json-database.html) ", Assign "at most 3 tags" to the expected json: {"id":"4219","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"

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