InfoQ Homepage Reactive Programming Content on InfoQ
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New Signals Proposal Seeks to Formalize Reactive Programming Primitives in JavaScript
The JavaScript language recently added the Signals proposal (currently in Stage 1) to the list of candidate features striving to improve the language. The Signals proposal seeks to provide common primitives primarily for framework maintainers to implement reactive programming patterns. It reflects input from authors/maintainers of Angular, Ember, MobX, Preact, Qwik, RxJS, Solid, Svelte, Vue.
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Expedia Speeds up Flights Search with Micro Frontends and GraphQL Optimizations
Expedia made flight search faster by up to 52% (page usable time) by applying a range of optimizations to web and mobile applications. To support these improvements, the company improved the observability of its applications. Expedia Flights web application has been migrated to Micro Frontend Architecture (MFA) to allow flexibility, reusability, and better optimization.
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The Guardian Creates a Newsroom Collaboration Tool Using Serverless, React and GraphQL
The Guardian created Pinboard, a discussion and asset-sharing tool integrated into a variety of content management platforms used by the company. The solution uses a range of technologies, including Typescript for coding the business logic, different serverless services for code execution, API endpoints, and GraphQL server, as well as AWS RDS (PostgreSQL) for storage.
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Jetpack Compose 1.6 Brings Improved Performance and Extends Supported APIs
The latest release of Android UI toolkit Jetpack Compose aims to improve overall performance and extends supported APIs, including drag and drop, selection by mouse, spline-based keyframe animations, and more.
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2023 JavaScript Rising Stars
The recent report from Rising Stars highlights the trends in the JavaScript ecosystem and showcases standout projects based on GitHub Stars in 2023. Overall, the most popular project was shadcn/ui, a collection of UI components that can be used to create custom components. The JavaScript runtime Bun continued its momentum, making it the second most popular project.
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New Docker Compose Functionality Banishes Alt-Tabbing and Bind Mounts
Docker has announced the general availability of Docker Compose Watch - a tool to enhance the efficiency of application development, making it easier for developers to maintain their focus while coding.
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Rethinking "Rethinking Reactivity" - Svelte 5 Introduces Runes
In their “Introducing runes” blog post, the Svelte team presents new syntax to express reactive dependencies in web applications. The extra syntax may increase the maintainability of complex web applications, further advancing Svelte’s enterprise readiness.
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Airbnb Improves Web Performance with HTTP Streaming
Airbnb introduced HTTP streaming to improve the page-loading performance of their website. They reduced the First Contentful Paint (FCP) metric by around 100 milliseconds on every page tested, including the homepage. They also minimized the impact of slow backend queries on the loading times.
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Remult, a Crud Framework for Fullstack Typescript
Remult is a full-stack CRUD library that simplifies development by leveraging TypeScript models, providing a type-safe API client and query builder.
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Yelp Adopted the MVI Architecture to Improve Performance and Testability of Their Android App
Four years into the adoption of the Model-View-Intent (MVI) architecture for their Android app, Yelp engineer Paul Martin says it allowed them to have performant screens and improve unit testing.
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Web Framework Astro Now Features Static, Server, and Hybrid Rendering for Faster Web Sites
HTML-first web framework Astro recently released Astro 2.0 and complements previously available static and dynamic server rendering with new hybrid rendering capabilities. Hybrid rendering allows prerendering specific pages for faster performance.
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Introducing Hilla 2.0: Reactive Endpoints, Native Image, Simplified Theming, SSO Kit, and More
Hilla, the type-safe web framework for Spring Boot, has announced the release of version 2.0. This release utilizes Spring Boot 3, Java 17, and Jakarta EE 10, providing access to the latest features in the Java ecosystem. It includes an improved TypeScript generator, web socket support for reactive endpoints, support for GraalVM native images, a simplified theming mechanism, and a new SSO kit.
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Signia: New JavaScript Incremental Computing Library Delivers Better UX for Single-Page Apps
The team behind the collaborative whiteboard tldraw recently published a library that brings incremental computing to JavaScript. Signia seeks to overcome fundamental performance limitations of tldraw’s chosen UI and reactive framework and ultimately provide better interactive apps with better user experience. Signia can however be used standalone or in conjunction with any UI framework.
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Next.js 13 Targets "Dynamic without Limits" Apps with New, Experimental Features
The Next.js conference recently introduced Next.js 13, the latest version of the React application framework. Next.js 13 wants to enable developers to make “dynamic without limits” applications through innovative features, many of which are still in alpha or beta. The new features update the compiler, routing, and rendering infrastructure, and improve the component toolkit.
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Lessons Learned: Emotion Library Maintainer Explains Why Company No Longer Uses Runtime CSS-in-JS
Sam Magura, staff software engineer at Spot and active maintainer of the CSS-in-JS Emotion library, recently detailed why Spot abandoned the runtime CSS-in-JS library Emotion in favor of Sass modules: Runtime overhead, payload overhead, and server rendering issues contributed to a lesser user experience.