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Daniel Sandoval
5 years ago
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title: What's new in Svelte: August 2021
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description: Shadow DOM, export and await - oh my!
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author: Daniel Sandoval
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authorURL: https://desandoval.net
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---
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From The Changelog ([JS Party Ep. 182](https://changelog.com/jsparty/182)) to Svelte Radio (Episodes [29](https://share.transistor.fm/s/adc23e84) and [30](https://share.transistor.fm/s/6316622d)), it seems that folks couldn't help but talk about Svelte, this month! Also, shadow DOM support and a new export and await functionality are new in Svelte.
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## New in Svelte
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- You can now specify a `ShadowRoot` as the `target` when creating a component - making it possible to render Svelte componetns inside the shadow DOM (**3.40.0**)
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- The `export { ... } from`, `export let { ... } =` and `{#await ... then/catch}` syntaxes are all now supported in Svelte components (**3.41.0**)
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For a full list of features and bug fixes, check out the [Svelte changelog](https://github.com/sveltejs/svelte/blob/master/CHANGELOG.md).
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## SvelteKit Updates
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- More powerful and configurable rendering options are now available ([#2008](https://github.com/sveltejs/kit/pull/2008))
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- esbuild's configuration is now exposed for use with SvelteKit adapaters ([#1914](https://github.com/sveltejs/kit/pull/1914))
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- Error messages are friendlier now for common config errors ([#1910](https://github.com/sveltejs/kit/pull/1910))
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- Cookies will only be passed through if the target host is the same as the SvelteKit application or a more specific subdomain of it ([#1847](https://github.com/sveltejs/kit/pull/1847))
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- index.js exports will now be changed to directory exports when packaging - making for nicer imports ([#1905](https://github.com/sveltejs/kit/pull/1905))
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- Vite.js's `mode` is now exposed from `$app/env` ([#1789](https://github.com/sveltejs/kit/pull/1789))
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- Better types across the board ([#1778](https://github.com/sveltejs/kit/pull/1778), [#1791](https://github.com/sveltejs/kit/pull/1791), [#1646](https://github.com/sveltejs/kit/pull/1646))
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## Features & bug fixes from around svelte/*
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- Language Tools now better supports the "Workplace Trust" functionality (used in VS Code)
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- In svelte2tsk, ambient type declarations are now renamed to avoid conflicting declarations in the future. Users are now expected to provide the ambient type definitions themselves - fixing JS output
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- Sapper released v0.29.2 which fixes regex routes, status codes when requesting a directory, and exports when a user has not provided a `base` tag ([changelog](https://github.com/sveltejs/sapper/blob/master/CHANGELOG.md))
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---
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## Community Showcase
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**Apps & Sites**
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- [Parsnip](https://www.parsnip.ai/) is a mobile-first, progressive-web-app that helps you to learn to cook at home. Check out the [conversation on Reddit](https://www.reddit.com/r/sveltejs/comments/oearb9/learning_to_cook_at_home_with_parsnip_built/) for all the geeky details.
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- [Central Bank Digital Currency (CBDC) tracker](https://www.atlanticcouncil.org/cbdctracker/) is a site that keeps track of how countries around the world are adopting digital currencies.
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- [Svelte Commerce](https://github.com/itswadesh/svelte-commerce) is an advanced Frontend Platform for eCommerce based on Sveltekit.
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- [neovimcraft](https://neovimcraft.com/) is a SvelteKit site dedicated to neovim plugins
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**Looking for a Svelte project to work on? Interested in helping make Svelte's presence on the web better?** Check out [the list of open issues](https://github.com/svelte-society/sveltesociety-2021/issues) if you'd like to contribute to the Svelte Society rewrite in SvelteKit.
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**Educational Content**
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- [How I Built a Cross-Platform Desktop Application with Svelte, Redis, and Rust](https://css-tricks.com/how-i-built-a-cross-platform-desktop-application-with-svelte-redis-and-rust/) is a blog post by Luke Edwards, a Developer Advocate from Cloudflare.
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- [How to Create a Blog with SvelteKit and Strapi](https://strapi.io/blog/how-to-create-a-blog-with-svelte-kit-strapi) is a step-by-step tutorial by Aarnav Pai from Strapi
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- [Sveltekit Markdown Blog](https://www.youtube.com/watch?v=sKKgT0SEioI&list=PLm_Qt4aKpfKgonq1zwaCS6kOD-nbOKx7V) is a YouTube tutorial series by WebJeda.
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- [Using Custom Elements in Svelte](https://css-tricks.com/using-custom-elements-in-svelte/) is a deep dive into custom elements by Geoff Rich.
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- [learn / graphql / svelte](https://hasura.io/learn/graphql/svelte-apollo/introduction/) is a free 2-hour GraphQL course course from Hasura.
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- [How to add Magic Link to a SvelteKit application](https://magic.link/posts/magic-svelte) is a guide to the popular password-less login pattern.
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**Libraries, Tools & Components**
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- [Svelte-Capacitor](https://github.com/drannex42/svelte-capacitor/) just released v2.0.0 - making it even easier to build hybrid mobile apps for iOS and Android using Svelte and Capacitor with near native performance.
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- [svelte-remixicon](https://github.com/ABarnob/svelte-remixicon) is an icon library for Svelte based on Remix Icon, consisting of more than 2000 icons.
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- [SveltePress](https://github.com/GeopJr/SveltePress) is a documentation tool built on top of SvelteKit.
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- [Svelte Starter Kit](https://github.com/one-aalam/svelte-starter-kit/tree/auth-supabase) is a boilerplate to quckly get up and running with Svelte, with Auth and User Profiles powered by Supabase.
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- [Kahi UI](https://github.com/novacbn/kahi-ui) is a Svelte-first UI kit with Dark Mode built-in.
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- [typesafe-i18n](https://github.com/ivanhofer/typesafe-i18n) is an opinionated, fully type-safe, lightweight localization library for TypeScript and JavaScript projects with no external dependencies.
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Check out [sveltejs/integrations](https://github.com/sveltejs/integrations) for more templates, adders and adapters from across the Svelte ecosystem.
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## See you next month!
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Want more updates? Join us on [Reddit](https://www.reddit.com/r/sveltejs/) or [Discord](https://discord.com/invite/yy75DKs)!
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