Javet

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Javet is a Coding & Development tool that embeds Node.js and V8 JavaScript engines within Java applications. It allows for seamless interoperability between Java and JavaScript, supporting various operating systems and architectures.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is Javet?

Javet is an open-source project designed to bridge Java and JavaScript environments by embedding Node.js and V8 directly into Java applications. It offers dynamic switching between Node.js and V8 modes, enabling developers to leverage the power of both ecosystems. Key features include JavaScript and Java interoperability, native BigInt and Date support, and V8 API exposure within the JVM. Javet also facilitates live debugging with Chrome DevTools and provides AST analysis, transformation, and transpilation for JS, TS, JSX, and TSX through swc4j. It supports various CPU architectures across Android, Linux, MacOS, and Windows, making it a versatile solution for integrating JavaScript functionalities into Java projects.

Best used for

Ideal for developers who need to integrate JavaScript and Node.js functionalities directly into their Java applications, execute JavaScript code within a JVM environment, and leverage V8's performance. Especially valuable for building hybrid applications that require seamless interoperability and advanced debugging capabilities.

Common actions

embed JavaScript engine

integrate Node.js

run V8 in Java

interop Java JavaScript

debug JavaScript in Java

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Capabilities

Key features

Embed Node.js in Java
Embed V8 in Java
Dynamic Node.js/V8 switch
JavaScript/Java interoperability
Live debug with Chrome DevTools
AST analysis with swc4j
JS/TS transformation/transpilation

Target Audience

developer

Integrations

nodejsv8chrome-devtoolsswc4j

Pricing & Plans

Open Source

Free

FAQs

What JavaScript engines can Javet embed?

Javet can embed both Node.js and the V8 JavaScript engine directly into Java applications. It allows for dynamic switching between these two modes, providing flexibility for different project requirements and leveraging the strengths of each engine.

What operating systems and architectures does Javet support?

Javet supports a wide range of operating systems and CPU architectures, including Android (x86, arm, arm64), Linux (x86_64, arm64), MacOS (x86_64, arm64), and Windows (x86_64). This broad compatibility makes it suitable for diverse development environments.

Can Javet be used for debugging JavaScript code?

Yes, Javet supports live debugging of JavaScript code through integration with Chrome DevTools. This feature allows developers to inspect and troubleshoot their JavaScript code running within the Java environment, enhancing the development workflow.

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