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Babel 7.10 Ships with Better React Tree-Shaking
The Babel team recently released Babel 7.10 with better tree-shaking support for React code. Babel 7.10 additionally supports checking the existence of specific private fields in objects and provides better ergonomics for the optional chaining ?. operator.
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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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Babel 7.7 Released with Improved TypeScript Support, Top-Level Await and More
The recently released Babel 7.7 now parses top-level await, Flow enum declarations (Flow proposal), and proposes recovery options from certain syntax errors. Babel 7.7 now supports TypeScript 3.7. Babel also introduces a new optional babel.config.json configuration files, and miscellaneous other features and bug fixes.
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Babel 7.5: Dynamic Import, Pipeline Operator and More
The recently released Babel 7.5 can now parse and transpile F# pipelines and dynamic imports. Babel 7.5 additionally has experimental support for TypeScript namespaces.
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Sucrase, a Faster Babel for Modern JS Runtimes
The Sucrase JavaScript/TypeScript compiler aims at providing significantly faster development builds than the Babel compiler. Faster builds mean faster iterations, specially when testing on a large codebase. Some empirical measures show a gain in speed between 4x and 20x vs. Babel. Developers may thus enjoy the improved developer experience in development, and still resort to Babel in production.
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Babel 7 Release Improves Support for ES.Next Proposals and TypeScript
The Babel 7 release includes many significant changes and improvements including support for TypeScript transpilation and a better approach to managing ES.Next proposals.
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Webhint Open Source Linting Tool for Detecting Issues with Accessibility, Performance, and Security
The webhint project provides an open source linting tool to check for issues with accessibility, performance, and security. The creation of websites and web apps has an increasing number of details to perfect, and webhint strives to help developers remember these details.
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TypeScript 2.1 Released
Microsoft has released version 2.1 of TypeScript, bringing a slew of productivity improvements and adding much needed functionality to code emitted for today's web browsers.