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What’s new in Svelte: 2023年2月

マイナーバージョンとメジャーな満足度

Dani Sandoval

先月から、Svelte と SvelteKit のマイナーバージョンのリリースがあり、たくさんの教育コンテンツが 1.0 リリースをサポートし、そして State of JS survey の結果は…

Svelte は今回も、満足度、興味、ともに上昇しました。投票してくださった皆さんに感謝します！

それではアップデートを見てみましょう…

What’s new in SvelteKit

Work in the Svelte ecosystem this month has been focused on SvelteKit bug fixes and addressing feedback from the 1.0 launch. One of the more awaited bug fixes to SvelteKit’s base path support landed, which means that you can now create SvelteKit projects on remote development environments. There have been several new releases with these fixes as well as a handful of new features such as:

  • The submitter’s value will now be included automatically when progressively enhancing
    (1.0.3, #8273)
  • Added an error in dev mode if global fetch is used with relative URL (1.0.8, #8370)
  • A warning will now indicated that hydration may break if comments are removed from HTML (1.0.11, #8423)
  • A warning will occur when of page options are used in .svelte files or a missing <slot /> in layout is detected (1.1.0, #8475)
  • The new text(...) helper makes it easy to generate text responses (1.2.0, #8371)
  • The public env can now be accessed within app.html (1.2.0, Docs, #8449)
  • An error will now be thrown if cookie exceeds size limit (1.2.1, #8591)
  • The generated tsconfig can now be modified (1.3.0, #8606)

What’s new in Svelte and Language Tools

  • VS Code HTML language service の html.customData に対するサポートが追加されました (extensions-107.0.0, #1824)
  • インポートが必要な store のオートコンプリート (#1823) と object/class メンバーのスニペット (#1817) が Svelte extension に追加されました (extensions-107.0.0)
  • 関数の型の promise の検知が改善されました (Svelte 3.55.1, #8162)
  • グローバルな part 属性と on:submit に、それぞれ不足している型とプロパティが追加されました (Svelte 3.55.1, #8181)
  • 多くのパフォーマンス改善とバグフィックス (Svelte 3.55.1* and extensions-107.0.x)

*Svelte コンパイラに対する全ての変更については、まだ未リリースの変更も含め、 CHANGELOG をご確認ください。

Community Showcase

Apps & Sites built with Svelte

  • Titowest.com is a series of photographic films by the writer & photographer, Tito West
  • Verve is a lightweight and blazingly fast launcher for accessing and opening applications, files and documents
  • Round The World is an interactive guide to the travels of Andrew Carnegie
  • Linear Regression is an interactive blog post visual introduction to (almost) everything you should know about linear regression
  • Flotes is a free note taking app enhanced with flashcard features
  • nomie is a Daily Journal for short attention spans
  • nocode.gallery is a collection of stunning websites made with no code
  • Whom to Follow helps you find accounts you’ll love by searching the network of accounts you already follow
  • poker-simulator is a poker simulation and evaluation tool
  • Pixelicious converts your images into pixel art
  • Apple Music is now built with Svelte (proof)

Learning Resources

Featuring Svelte Contributors and Ambassadors

To Watch or Hear

To Read

Libraries, Tools & Components

  • Sveltepress is a simple, easy to use, content centered site build tool with the full power of SvelteKit
  • Svelte Form Helper is a lightweight helper for form validation with Svelte
  • Dapper UI is a sleek and modern UI component library for Svelte, offering full TypeScript support and extensive documentation
  • TeilUI is a better way to build design systems with Svelte
  • Neodrag is an SSR-friendly, multi-framework draggable library
  • Svelvet, a UI library for Svelte, is now 5.0 (read more here)
  • Svelte Inview is a Svelte action that monitors an element enters or leaves the viewport/parent element
  • html2svelte makes it easy to convert HTML to Svelte components in a snap

お読みいただきありがとうございます！見落としなどございましたら Reddit や Discord にてお気軽にお知らせください。