InfoQ Homepage JavaScript Content on InfoQ
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Facebook Introduces Rome Experimental JavaScript Toolchain
Rome is an experimental JavaScript toolchain created by Babel and yarn creator Sebastian McKenzie and the React Native team at Facebook. Rome includes a compiler, linter, formatter, bundler, and testing framework, aiming to be "a comprehensive tool for anything related to the processing of JavaScript source code."
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Web Components at Scale at Salesforce: Challenges Encountered, Lessons Learnt
Diego Ferreiro Val, principal architect at Salesforce, co-creator of Lightning Web Components (LWC), talked at WebComponentsSF about the challenges and lessons in building a platform leveraging web components at enterprise scale. Albeit with missing pieces, the web components standard was instrumental to achieve Salesforce’s interoperability, backward and forward compatibility objectives at scale.
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Babel 7.9 Reduces Bundle Sizes, Adds TypeScript 3.8 Support
The Babel 7.9 release decreases default bundle sizes when using the module/nomodule pattern and adds support for TypeScript 3.8 and its type-only imports and exports. Babel 7.9 also improves optimizations for JSX transforms and adds experimental parser support for the ES Record & Tuple proposal.
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Next.js 9.3 Released, Improves Static Site Generation
The Next.js team recently released Next.js 9.3, featuring improved static website generation and preview and adding Sass support, while shipping a smaller runtime.
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Chrome Phasing out Support for User Agent
Google announced its decision to drop support for the User-Agent string in its Chrome browser. Instead, Chrome will offer a new API called Client Hints that will give the user greater control over which information is shared with websites.
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CSS Writing Modes Now an Official Web Standard
The World Wide Web Consortium (W3C) recently announced that CSS Writing Modes Level 3 is now an official web standard. The new CSS standard enables developers to configure texts to be laid out horizontally or vertically, as well as to set the direction in which lines are stacked. Thanks to CSS Writing Modes, content in a large number of languages can be natively displayed.
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Prettier 2.0 Supports Typescript 3.8, Improves CLI
The opinionated code formatter Prettier recently released its second major iteration. Prettier 2.0 adds support for TypeScript 3.8. The new Prettier also strives to provide better defaults, a better CLI and better heuristics.
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Adaptive Loading for a Faster Web
The Google Chrome team recently introduced Adaptive Loading, an exploration for loading and rendering the most suitable version of a component based on network speed, CPU, memory, and other web platform signals.
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Airbnb Transfers Ownership of Enzyme, Its React Testing Library
Airbnb transferred ownership of Enzyme, its React testing library, to the new enzymejs GitHub organization. Airbnb nonetheless plans to continue to use and contribute to Enzyme.
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JavaScript Face Detection with face-api.js
The face-api.js JavaScript module implements convolutional neural networks to solve for face detection and recognition of faces and face landmarks. The face-api.js leverages TensorFlow.js and is optimized for the desktop and mobile web.
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Tone.js Interactive Music Web Framework
Tone.js leverages the Web Audio API to provide a framework for creating interactive music in the browser.
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Firefox 72 Released with Better Privacy, User Experience and a Four-Week Release Cycle
The Firefox browser shipped new versions in 2020 which strive to improve privacy, user experience, and JavaScript and WebAPI support. Additionally, Mozilla will now release new Firefox versions on a monthly cycle.
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Tenko ES2020 JavaScript Parser
Tenko is a 100% specification compliant JavaScript parser authored in JavaScript. Tenko fully supports parsing for ES6 through ES2020 syntax and language features.
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CSS Motion Path Now Supported in Most Browsers
With the release early this year of Firefox 72, the CSS Motion Path specification is now implemented in most browsers. With CSS Motion Path, developers can implement a larger range of complex animations without resorting to JavaScript, or importing full-featured animation libraries like GSAP (GreenSock Animation Platform).
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Building (and Re-Building) the Airbnb Design System - React Conf 2019
Maja Wichrowska and Tae Kim, engineers at Airbnb, explained how Airbnb’s design system evolved its architecture and implementation in response to business and technical challenges encountered.