# Dexie.js [![NPM Version][npm-image]][npm-url] ![Build Status](https://github.com/dexie/Dexie.js/actions/workflows/main.yml/badge.svg) Dexie.js is a wrapper library for indexedDB - the standard database in the browser. https://dexie.org. #### Why Dexie.js? IndexedDB is the portable database for all browser engines. Dexie.js makes it fun and easy to work with. But also: * Dexie.js is widely used by 100,000 of web sites, apps and other projects and supports all browsers, Electron for Desktop apps, Capacitor for iOS / Android apps and of course pure PWAs. * Dexie.js works around bugs in the IndexedDB implementations, giving a more stable user experience. * It's an easy step to [make it sync](https://dexie.org/#sync). #### Hello World ```html ``` Yes, it's that simple. Read [the docs](https://dexie.org/docs/) to get into the details. #### Hello World (for modern browsers) All modern browsers support ES modules and top-level awaits. No transipler needed. Here's the previous example in a modern flavour: ```html ``` #### Hello World (React + Typescript) Real-world apps are often built using components in various frameworks. Here's a version of Hello World written for React and Typescript. There are also links below this sample to more tutorials for different frameworks... ```tsx import React from 'react'; import { Dexie, type EntityTable } from 'dexie'; import { useLiveQuery } from 'dexie-react-hooks'; // Typing for your entities (hint is to move this to its own module) export interface Friend { id: number; name: string; age: number; } // Database declaration (move this to its own module also) export const db = new Dexie('FriendDatabase') as Dexie & { friends: EntityTable; }; db.version(1).stores({ friends: '++id, age', }); // Component: export function MyDexieReactComponent() { const youngFriends = useLiveQuery(() => db.friends .where('age') .below(30) .toArray() ); return ( <>

My young friends

Name: {f.name}, Age: {f.age}

); } ``` [Tutorials for React, Svelte, Vue, Angular and vanilla JS](https://dexie.org/docs/Tutorial/Getting-started) [API Reference](https://dexie.org/docs/API-Reference) [Samples](https://dexie.org/docs/Samples) ### Performance Dexie has kick-ass performance. Its [bulk methods]() take advantage of a lesser-known feature in IndexedDB that makes it possible to store stuff without listening to every onsuccess event. This speeds up the performance to a maximum. #### Supported operations ```js above(key): Collection; aboveOrEqual(key): Collection; add(item, key?): Promise; and(filter: (x) => boolean): Collection; anyOf(keys[]): Collection; anyOfIgnoreCase(keys: string[]): Collection; below(key): Collection; belowOrEqual(key): Collection; between(lower, upper, includeLower?, includeUpper?): Collection; bulkAdd(items: Array): Promise; bulkDelete(keys: Array): Promise; bulkPut(items: Array): Promise; clear(): Promise; count(): Promise; delete(key): Promise; distinct(): Collection; each(callback: (obj) => any): Promise; eachKey(callback: (key) => any): Promise; eachPrimaryKey(callback: (key) => any): Promise; eachUniqueKey(callback: (key) => any): Promise; equals(key): Collection; equalsIgnoreCase(key): Collection; filter(fn: (obj) => boolean): Collection; first(): Promise; get(key): Promise; inAnyRange(ranges): Collection; keys(): Promise; last(): Promise; limit(n: number): Collection; modify(changeCallback: (obj: T, ctx:{value: T}) => void): Promise; modify(changes: { [keyPath: string]: any } ): Promise; noneOf(keys: Array): Collection; notEqual(key): Collection; offset(n: number): Collection; or(indexOrPrimayKey: string): WhereClause; orderBy(index: string): Collection; primaryKeys(): Promise; put(item: T, key?: Key): Promise; reverse(): Collection; sortBy(keyPath: string): Promise; startsWith(key: string): Collection; startsWithAnyOf(prefixes: string[]): Collection; startsWithAnyOfIgnoreCase(prefixes: string[]): Collection; startsWithIgnoreCase(key: string): Collection; toArray(): Promise; toCollection(): Collection; uniqueKeys(): Promise; until(filter: (value) => boolean, includeStopEntry?: boolean): Collection; update(key: Key, changes: { [keyPath: string]: any }): Promise; ``` This is a mix of methods from [WhereClause](https://dexie.org/docs/WhereClause/WhereClause), [Table](https://dexie.org/docs/Table/Table) and [Collection](https://dexie.org/docs/Collection/Collection). Dive into the [API reference](https://dexie.org/docs/API-Reference) to see the details. ## Dexie Cloud [Dexie Cloud](https://dexie.org/cloud/) is a commercial offering that can be used as an add-on to Dexie.js. It syncs a Dexie database with a server and enables developers to build apps without having to care about backend or database layer else than the frontend code with Dexie.js as the sole database layer. Source for a sample Dexie Cloud app: [Dexie Cloud To-do app](https://github.com/dexie/Dexie.js/tree/master/samples/dexie-cloud-todo-app) See the sample Dexie Cloud app in action: https://dexie.github.io/Dexie.js/dexie-cloud-todo-app/ ## Samples https://dexie.org/docs/Samples https://github.com/dexie/Dexie.js/tree/master/samples ## Knowledge Base [https://dexie.org/docs/Questions-and-Answers](https://dexie.org/docs/Questions-and-Answers) ## Website [https://dexie.org](https://dexie.org) ## Install via npm ``` npm install dexie ``` ## Download For those who don't like package managers, here's the download links: ### UMD (for legacy script includes as well as commonjs require): https://unpkg.com/dexie@latest/dist/dexie.min.js https://unpkg.com/dexie@latest/dist/dexie.min.js.map ### Modern (ES module): https://unpkg.com/dexie@latest/dist/modern/dexie.min.mjs https://unpkg.com/dexie@latest/dist/modern/dexie.min.mjs.map ### Typings: https://unpkg.com/dexie@latest/dist/dexie.d.ts # Contributing See [CONTRIBUTING.md](CONTRIBUTING.md) ## Build ``` pnpm install pnpm run build ``` ## Test ``` pnpm test ``` ## Watch ``` pnpm run watch ```
[![Browser testing via LAMDBATEST](https://dexie.org/assets/images/lambdatest2.png)](https://www.lambdatest.com/) [npm-image]: https://img.shields.io/npm/v/dexie.svg?style=flat [npm-url]: https://npmjs.org/package/dexie

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dexie	602,867	13,361	2.99 MB	586	il y a 7 mois	Apache-2.0