JavaScript SDK

Build distributed applications using the Dapr JavaScript SDK. The Dapr JavaScript SDK provides client libraries to interact with Dapr building blocks and APIs.

Resources

• Dapr JavaScript SDK GitHub
• Dapr JavaScript SDK npm
• Dapr JavaScript SDK Documentation

Prerequisites:

• Node.js LTS or Current (Download)
• Dapr JavaScript Client/Server SDK

Installation

Install the Dapr JavaScript SDK via npm:

npm install --save @dapr/dapr

Dapr Client APIs

Use the Dapr Client to interact with Dapr building blocks and APIs with JavaScript-specific examples and code samples.

State Management

Store and retrieve application state using key-value pairs with JavaScript code examples

Service Invocation

Invoke methods on other services securely and reliably with JavaScript SDK

Publish

Publish events to topics for event-driven communication in JavaScript

Bindings

Interact with external systems through input and output bindings using JavaScript

Secrets Management

Securely retrieve secrets from configured secret stores with JavaScript examples

Conversation

Interact with Large Language Models (LLMs) using the Dapr Conversation API with JavaScript

Dapr Server

Build services that can be invoked by other services and subscribe to topics using JavaScript.

Configuring the SDK Communication Protocol

Create services that can be invoked by other Dapr applications using HTTP or gRPC

HTTPgRPC

Service Invocation Handler

Create services that can be invoked by other Dapr applications

Pub/Sub Subscriptions

Subscribe to topics and handle messages in JavaScript applications

Binding Invocation Handler

Handle input bindings from external systems

Advanced Features

Actors

Build virtual actors with state, timers, and reminders using JavaScript SDK

Workflow

Create durable, long-running workflows with JavaScript code examples

Cryptography

Encrypt and decrypt data using configured cryptography components in JavaScript

Distributed Lock

Acquire and release distributed locks for synchronization with JavaScript

Authentication

Configure API token authentication for Dapr client in JavaScript

Getting Started

JavaScript Examples

Samples that highlight the Javascript SDK Capabilities

JavaScript Client Documentation

Complete JavaScript client SDK guide with code examples

Catalyst Quickstarts

State Quickstart

Get started with state management in Catalyst

Pub/Sub Quickstart

Get started with publish and subscribe in Catalyst

Service Invocation Quickstart

Get started with service invocation in Catalyst