InfoQ Homepage Node.js Content on InfoQ
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V8 JavaScript Engine 9.0 Improves JavaScript to WebAssembly Performance
The 9.0 release of the V8 JavaScript engine, powering Chrome and Chromium-based browsers, improves the performance of making WebAssembly calls from JavaScript, adds regular expression match indices, and speeds up super property access.
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Azure Functions Support for node.JS 14 and .Net 5 Is Now Generally Available
Microsoft recently announced its Function as a Service (FaaS) offering Azure Functions now supports Node.js 14 and .NET 5. Developers can develop and deploy function applications leveraging the latest long-term supported (LTS) version of Node.js and the latest version of .NET.
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New Svelte NodeGui Allows Creating Native Desktop Applications with Qt and Svelte
Jamie Birch recently announced Svelte NodeGui, a framework for developing desktop applications on Windows, Linux, and MacOS. A lighter alternative to Electron, Svelte NodeGui lets developers write their applications with the Svelte front-end framework and compiler, the Qt widget toolkit, and a subset of HTML and CSS.
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AWS Announces Node.js 14 Support for Its Function as a Service, Lambda
Recently AWS announced Node.js version 14 support for its Function as a Service (FaaS), Lambda. Developers can now author AWS Lambda functions using Node.js' new features, such as top-level-await, enhanced diagnostics, modifications of the streams APIs, and a revised JavaScript engine for better performance.
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Medium Describes "Rex" - a Go-Based Recommendation Service
In a recent blog post, Medium describes how it built a recommendation service named "Rex." The original recommendation service was part of the Node.js monolith, and it could only rank 150 stories. However, Medium wanted this service to rank hundreds of thousands of stories per user in under a second. So, they decided to build an entirely new, separate service using Go.
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Neon Enables Embedding Rust Code in Node.js Apps
Neon is a library and toolchain that makes it possible to create native Node modules using Rust. This is similar to what is possible with C and C++, but with the additional benefits brought by Rust safety guarantees.
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Test-Automation Playwright Tool Now Records and Replays Interaction Scripts, Captures Test Videos
Newly released Playwright 1.4 brings key improvements to the cross-browser test-automation tool. Using the now public Playwright command line interface, developers and testers will be able to record user interactions and replay them with automatically generated Playwright scripts, generate page screenshots, inspect Playwright selectors, and record videos of test scripts.
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TypeScript 4.0 Adds Long-Awaited Variadic Tuple Types
The TypeScript team announced the release of TypeScript 4.0, which includes long-awaited variadic tuple type support and other improvements without introducing any major breaking changes.
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RavenDB 5 Improves Distributed Time-Series, Document Compression, and Indexing
RavenDB, a NoSQL document database with multi-document ACID transactions, adds distributed time-series support, smart document compression, and enhanced indexing in the RavenDB version 5 release.
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Fastify 3.0 Improves Performance, Logging, Schema, and TypeScript Support
Fastify is an open-source, low-performance overhead Node.js web framework. Fastify version 3 introduces support for running Express applications inside Fastify, adds improvements to logging serialization and schema substitution, and provides better TypeScript definition support.
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Deno Is Ready for Production
Deno, a secure runtime for JavaScript and TypeScript, has reached version 1.0. Written in Rust, Deno addresses many design problems in Node.js, but it also faces challenges in developer adoption.
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Hegel, a New JavaScript Type Checker
JavaScript has a new type checker. Hegel strives to be an advanced static type checker for JavaScript. Hegel claims to provide a sound type system with strong type inference. It is still in alpha and can be experimented with in a dedicated online playground.
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Node.js 14.0 Improves Diagnostics and Internationalization, Adds Web Assembly System Interface
The Node.js project recently released Node.js version 14.0.0, adding diagnostic reports, internationalization, experimental async local storage, native N-API module improvements, refinements to ES modules, and numerous other updates since the Node.js version 12 release. The release also adds experimental Web Assembly System Interface support.
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Browser-Automation Library Puppeteer Now Supports Firefox
Mathias Bynens, Google developer working on @ChromeDevTools & @v8js, released Puppeteer 3.0. Puppeteer now supports Firefox in addition to the Chrome browser. The new version also upgraded support to the latest Chrome 81, and removed support for Node 8.
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TornadoVM: Running Java on GPUs and FPGAs with Dr Juan Fumero at QCon London
Dr Juan Fumero presented at QCon London on TornadoVM, a plug-in to OpenJDK and GraalVM that runs Java on heterogeneous hardware including Graphical Processing Units (GPUs) and Field Programmable Gate Arrays (FPGAs). Demos during the presentation showed code being sped up by hundreds of times when running on a GPU vs a CPU.