What’s New in Node.js 22: Thrilling Options and Updates

Node.js, the highly effective and well-liked JavaScript runtime, has launched its newest model—Node.js 22. On this launch, three main updates stand out: the improved functionality to require() ECMAScript modules (ESM) inside CommonJS modules, the introduction of a built-in WebSocket shopper, and the most recent updates to the V8 JavaScript engine. Let’s discover these updates and extra!

Predominant Updates for Node.js 22

Enhanced require() for ECMAScript Modules

Node.js 22 bridges the hole between CommonJS and ECMAScript modules by enabling the require() operate to import ESM modules straight. The brand new model permits for synchronous ECMAScript modules to be require()d beneath the --experimental-require-module flag, which facilitates simpler integration and utilization of various module techniques.

Native WebSocket Shopper

Node.js 22 introduces a local WebSocket shopper that streamlines the implementation of real-time net functionalities. This built-in functionality eliminates the dependency on third-party libraries for WebSocket communication, making it simpler to develop functions that require reside information updates, akin to chat apps or reside notifications.

Updates to the V8 JavaScript Engine

The V8 JavaScript engine in Node.js 22 has been up to date to enhance efficiency and introduce new ECMAScript options, protecting Node.js on the forefront of JavaScript execution effectivity. The up to date V8 engine now helps new options akin to WebAssembly Rubbish Assortment, Array.fromAsync, Set strategies, and iterator helpers, considerably enhancing efficiency and capabilities.

Different Updates

• Enabled Maglev Compiler: Routinely enabled on appropriate architectures, the Maglev Compiler enhances the execution effectivity of transient CLI applications, optimizing operations for quicker, extra responsive efficiency.
• Direct Execution of package deal.json Scripts: An revolutionary experimental function in Node.js 22 is the power to execute scripts straight from the package deal.json utilizing the CLI flag node --run <script-in-package-json>. This function affords builders a streamlined technique to handle and execute scripts, bettering workflow effectivity.
• Official Steady Watch Mode: The node --watch function, which reloads Node.js processes robotically upon file modifications, has reached full stability. This performance is essential for builders searching for environment friendly iterative testing and improvement.
• Stream Efficiency Enhancement: The adjustment of the default Excessive Water Mark from 16KiB to 64KiB improves total efficiency for streaming operations, albeit on the expense of a modest improve in reminiscence utilization.
• Introduction of Globbing Capabilities: The glob and globSync features have been added to the node:fs module, enabling builders to match file paths primarily based on particular patterns simply.
• Enhanced Creation of AbortSignal Cases: Enhancements within the creation course of for AbortSignal cases end in important efficiency boosts for APIs like fetch and numerous testing instruments.

To obtain Node.js 22.0.0 and discover these new capabilities, go to Node.js Downloads. For extra particulars on the options and the entire listing of commits, take a look at the Official GitHub.

As Node.js 22 progresses from its “Present” launch standing to long-term help (LTS) in October, you may have the chance to start out integrating these improvements into their initiatives.

Node.js Launch Schedule

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