ESLint Adds Official Support for Linting HTML
Blog post from Socket
ESLint has officially added support for HTML linting, introducing 48 new rules through the integration of the @html-eslint/eslint-plugin, as part of its broader transition to a language-agnostic platform. This expansion allows ESLint to serve as a unified linter for various languages, including JSON, Markdown, CSS, and now HTML, fulfilling a long-term vision of providing consistent linting across different types of code and markup. The plugin accommodates HTML in diverse contexts, such as within JavaScript or TypeScript template literals, and supports templating syntaxes like Handlebars or EJS, making it suitable for both static sites and complex architectures. By extracting JavaScript-specific logic and introducing a plugin API, ESLint has modernized its architecture, enabling the development and maintenance of language-specific tools by domain experts. The new rules cover best practices, accessibility, SEO, and code style, with several marked as recommended or auto-fixable, ensuring consistent, semantic HTML and addressing quality concerns efficiently. This development reflects a growing demand for unified tooling across the JavaScript ecosystem, as evidenced by significant download numbers for various ESLint plugins, highlighting a trend towards using a single engine to lint code and content.
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