InfoQ Homepage JavaScript Content on InfoQ
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Animated, Responsive, and Reactive Data Visualization with Svelte
Tom Fevrier and Matthias Stahl recently gave the Svelte community an overview of the techniques that can be used to achieve responsive, interactive, and animated data visualization with Svelte.
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Introducing Webpack 5
Version 5.0 of Webpack, the most popular JavaScript module bundler, is finally out offering a slew of improvements, including faster build times, decreased bundle sizes, and many breaking changes.
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JavaScript Open Source Awards 2020 Distinguishes Six Impactful Projects
Since 2018, the JavaScript Open Source Awards distinguishes impactful open-source projects across four categories every year— Breakthrough of the Year, The Most Exciting Use of Technology, Fun Side Project of the Year, and The Most Impactful Contribution to the Community. The 2020 batch rewarded six open-source projects.
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Mobx Reactive State Management Library Released Version 6
Michel Weststrate, author of the reactive state management library MobX, recently released MobX 6. MobX6 now supports Internet Explorer and React Native and updates its decorator-based API to reflect the new JavaScript decorators proposal (currently in Stage 2). Important pieces of the MobX ecosystem are also updated to support the latest version of MobX.
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The State of RxJS - Ben Lesh at Ngconf
RxJS core team member and lead Ben Lesh presented at ng-conf the upcoming features for RxJS 7.
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RSLint, a New, Fast JavaScript Linter Written in Rust
Dambrosio recently released RSLint, a linter for JavaScript that is written entirely in Rust. RSLint strives to be as fast as possible, customizable, and easy to use. RSLint is still in the early phase of its development and features basic Visual Studio Code integration.
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Reactive Angular Library NgRx v10 Adds Component Local State Management Package
NgRx, a set of reactive extensions for Angular based on RxJS, shipped v10 with a new component store package for local state management. The new package complements the NgRx Store used for application-wide state management. A new, experimental NgRx Component package also supports developers in writing Angular Zoneless applications leveraging Angular Ivy capabilities for better performance.
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Vest, a New Javascript Form Validation Framework
Vest is a new framework-agnostic form validation library that separates the validation logic from the feature logic while using a unit testing syntax style that is similar to Mocha and Jasmine.
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Cypress 5.x Adds Test Retries and Shadow DOM Support
Cypress, a browser-based test runner and dashboard, recently introduced native support for test retries in the Cypress 5.0 release, helping developers avoid intermittent test failures. Other recent Cypress advances include networking stubbing and shadow DOM support.
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NativeScript 7 Moves from ES5 to ES2017+
NativeScript 7 aligns with modern JavaScript standards by targeting es2017+. Additionally, it streamlines app configuration by consolidating it in a single file and replaces JavaScriptCore with V8 for iOS apps.
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Jotai, a New Granular State Management Library for React
Paul Henschel recently released jōtai, a new state management library for React. Jōtai claims a minimalistic API (three functions), typescript-readiness, and compatibility with React Suspense and Concurrent Mode.
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Import Maps - Guy Bedford at ESNEXT 2020
Guy Bedford, core contributor and creator of the dynamic module loader system.js, discussed the workflows enabled by import maps. In his talk at ESNEXT this year, Bedford took a historical view while introducing the motivation behind the import map proposal, and linked the feature with the package entry points used in the latest version of node.
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Web Components at GitHub - Web Component SF Meetup
Kristján Oddsson detailed at the Web Components SF meetup how GitHub uses Web Components and the patterns GitHub identified to foster readable, performant, and accessible front end components.
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Security Concerns for Peripheral APIs on the Web
Google has been promoting the inclusion of peripheral connectivity using Bluetooth and USB on web browsers for several years. Yet, it's meeting heavy resistance from other browser vendors such as Apple and Mozilla.
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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.