What’s new in Svelte: November 2022
It’s been a busy October for the Svelte community. use:enhance and Advanced Routes got some great improvements in SvelteKit while the Svelte compiler released a minor version to improve the day-to-day dev experience.
There’s also a huge showcase to cover… so let’s jump in!
What’s new in SvelteKit (#What’s-new-in-SvelteKit)
• The new update method for use:enhance lets you easily get back the default form behavior while augmenting it with your own logic (docs (/docs/kit/form-actions#Progressive-enhancement-use:enhance), #7083 (https://github.com/sveltejs/kit/pull/7083) and #7326 (https://github.com/sveltejs/kit/pull/7326))
• [[optional]] parameters are now available for routing (docs (/docs/kit/advanced-routing#Optional-parameters), #7051 (https://github.com/sveltejs/kit/pull/7051))
• goto now has invalidateAll to (re-)run all load functions belonging to the new active page (docs (/docs/kit/$app-navigation#goto), #7407 (https://github.com/sveltejs/kit/pull/7407))
• config.kit.paths.base is now used in adapters looking for static assets - fixing 404 issues across adapter-netlify, adapter-vercel, adapter-cloudflare, and adapter-cloudflare-workers (#4448 (https://github.com/sveltejs/kit/pull/4448))
Breaking changes: (#What’s-new-in-SvelteKit-Breaking-changes:)
• Errors will now be thrown when routes conflict (#7051 (https://github.com/sveltejs/kit/pull/7051))
• The global fetch override has been removed when prerendering (#7318 (https://github.com/sveltejs/kit/pull/7318))
• Route IDs have been prefixed with / (#7338 (https://github.com/sveltejs/kit/pull/7338))
Svelte changes (#Svelte-changes)
• New accessibility warnings, a11y-click-events-have-key-events and a11y-no-noninteractive-tabindex, will now warn when your components lack required key events or tabindex. While a11y-role-has-required-aria-props will no longer warn when elements match their semantic role (3.51.0)
• –style-props are now supported on svelte:component and
• “nullish” values for component event handlers are now supported (3.51.0, Example (/playground/9228022922af4c76af68ce42349ccbf9?version=3.51.0))
• Scoped styles can now be applied to svelte:element (3.51.0, Example (/playground/23d982fc6f4f4f06a6aa227860fa2d84?version=3.51.0))
• You can now use important in inline style tags: style:foo|important (3.52.0, #7365 (https://github.com/sveltejs/svelte/issues/7365))
• A warning will now be thrown when using without rel=“noreferrer” (3.52.0, #6188 (https://github.com/sveltejs/svelte/issues/6188))
Tom Smykowski also released a great summary of all the changes in 3.52.0 (https://tomaszs2.medium.com/svelte-3-52-0-improves-dev-experience-45f8c460bb96)! For all the changes to the Svelte compiler, including upcoming changes, check out the CHANGELOG (https://github.com/sveltejs/svelte/blob/master/CHANGELOG.md).
Community Showcase (#Community-Showcase)Apps & Sites built with Svelte (#Community-Showcase-Apps-Sites-built-with-Svelte)
• AttendZen (https://www.attendzen.io/) is an event management and marketing platform for in-person, virtual or hybrid events
• Gram Jam (https://gramjam.app/) is a challenging daily word game using SvelteKit
• Collabwriting (https://collabwriting.com/) is an actionable knowledge base for your team
• Dazzle (https://dazzlega.me/) is a Puzzle Game made with Svelte & DallE
• Figma Autoname plugin (https://github.com/Hugo-Dz/figma_autoname_client_app) automatically names your Figma layers in one click
• DECK (https://github.com/sfx101/deck) is powerful and high performant local web development studio for MacOS, Ubuntu and Windows
• Asm editor (https://github.com/Specy/asm-editor) is a webapp to write and run m68k assembly code
• Nucleus (https://github.com/mellobacon/Nucleus) is a text editor featuring a clean and easy to use user interface inspired by Visual Studio Code, Atom, Fleet, and others
• Observer (https://github.com/diamonc/observer) is a frontend for Arth Panel, an open-source & self-hosted minecraft server panel
• .PLAN (https://plan.lodzero.com/) is a cloud-based notetaking app with markdown and section support
• Stablecog (https://github.com/yekta/stablecog) is a simple, free & open source AI image generator
• FreeSpeech AAC (https://github.com/merkie/freespeech) is a free and open-source assistive communication app written in TypeScript
• sqrdoff (https://sqrdoff.cubieverse.co/) is a dots and boxes to enjoy playing with friends
• itty (https://launch.itty-sh.pages.dev/) is a fresh take on the traditional link-shortener
• splits (https://splits.best/) lets you track your splits, calculate your race pace, become a better athlete
• Weaver (https://jrende.xyz/weaver/) is an application for creating weave drafts (https://www.gistyarn.com/blogs/how-to-weave/how-to-read-a-weaving-draft)
Learning Resources (#Community-Showcase-Learning-Resources)To Watch
• Starting With Svelte - Brittney Postma (https://www.youtube.com/watch?v=pdKJzrPA0DY) by fitcevents
• Learn Svelte from scratch with Geoff Rich: A Svelte tutorial (https://www.youtube.com/watch?v=QoR0AZ-Rov8) by Kelvin Omereshone
• How To Connect to MongoDB in Svelte Kit (https://www.youtube.com/watch?v=gwktlvFHLMA) by LevelUpTuts
• SvelteKit Authentication Using Cookies (https://www.youtube.com/watch?v=E3VG-dLCRUk), Make A Typing Game With Svelte (https://www.youtube.com/watch?v=kMz_Ba_OF2w) and SvelteKit Tailwind CSS Setup With Automatic Class Sorting (https://www.youtube.com/watch?v=J_G_xP0chog) by Joy of Code
• Authentication with SvelteKit & PocketBase (https://www.youtube.com/watch?v=doDKaKDvB30) and Form Actions in SvelteKit (+page) (https://www.youtube.com/watch?v=52nXUwQWeKI) by Huntabyte
• Sybil - Episode 1 - Rust knowledge management with SurrealDB (https://www.youtube.com/watch?v=eC7IePI5rIk) by Raphael Darley
To Read
• 4 things I miss from Svelte after working in React (https://geoffrich.net/posts/4-things-i-miss-svelte/) and Create dynamic social card images with Svelte components (https://geoffrich.net/posts/svelte-social-image/) by Geoff Rich
• First-class Vite support in Storybook 7.0 (https://storybook.js.org/blog/first-class-vite-support-in-storybook/) (Svelte and SvelteKit included) by Ian VanSchooten
• Better Svelte support is coming to WebStorm (https://blog.jetbrains.com/webstorm/2022/09/webstorm-2022-3-eap1/#information_regarding_svelte_support) from JetBrains
• Dark Mode (https://pyronaur.com/dark-mode/) Toggle by pyronaur
• HeadlessUI Components with Svelte (https://www.captaincodeman.com/headlessui-components-with-svelte) by Captain Codeman
• Using Sequelize with SvelteKit (https://cherrific.io/0xedB00816FB204b4CD9bCb45FF2EF693E99723484/story/23) by MetaZebre
• Implementing Maintenance mode on a SvelteKit site (https://blog.encodeart.dev/implementing-maintenance-mode-on-a-sveltekit-site) by Andreas Söderlund
• ActionStore: Real-time Svelte stores for Rails (https://dev.to/buhrmi/actionstore-real-time-svelte-stores-for-rails-4jhg) by Stefan Buhrmester
• Svelte CSS Image Slider: with Bouncy Overscroll (https://rodneylab.com/svelte-css-image-slider/) and SvelteKit Local Edge Functions: Edge on Localhost (https://rodneylab.com/sveltekit-local-edge-functions/) by Rodney Lab
• Creating a Svelte Tabs component with Slot props (https://blog.openreplay.com/creating-a-svelte-tabs-component-with-slot-props/) by Shinichi Okada
• Sky Cart: An Open Source, cloud-agnostic shopping cart using Stripe Checkout (https://dev.to/stripe/sky-cart-an-open-source-cloud-agnostic-shopping-cart-using-stripe-checkout-o5k) by Mike Bifulco for Stripe
Libraries, Tools & Components (#Community-Showcase-Libraries-Tools-Components)
• Threlte (https://threlte.xyz/) is a component library for Svelte to build and render three.js scenes declaratively and state-driven in Svelte apps. It’s being featured again to highlight the new “Playground” button in its examples
• Svelte Turnstile (https://github.com/ghostdevv/svelte-turnstile) is a library to integrate Cloudflare’s Turnstile (a new CAPTCHA alternative) into a Svelte app
• ActionStore (https://github.com/buhrmi/actionstore) allows you to push data directly into Svelte stores via ActionCable
• SvelteKit +
• Svelte Color Select (https://github.com/CaptainCodeman/svelte-color-select) is an Okhsv Color Selection component for Svelte using OKLab perceptual colorspace
• svelte-awesome-color-picker (https://github.com/Ennoriel/svelte-awesome-color-picker) is a highly customizable color picker component library
• rx-svelte-forms (https://www.npmjs.com/package/rx-svelte-forms) creates reactive Svelte forms inspired by Angular reactive forms
• svelte-wc-bind (https://www.npmjs.com/package/svelte-wc-bind) enables two way data binding in Svelte web components
• svelte-preprocess-style-child-component (https://github.com/valterkraemer/svelte-preprocess-style-child-component) allows you to style elements inside a child component using similar syntax as CSS Shadow Parts
• unplugin-svelte-components (https://www.npmjs.com/package/unplugin-svelte-components) allows for on-demand components auto importing for Svelte
• sveltekit-search-params (https://github.com/paoloricciuti/sveltekit-search-params) aims to be the fastest way to read AND WRITE from query search params in SvelteKit
• svelte-crop-window (https://github.com/sabine/svelte-crop-window) is a crop window component for images and videos that supports touch gestures (pinch zoom, rotate, pan), as well as mousewheel zoom, mouse-dragging the image, and rotating on right mouse button
• Open Graph Image Generation (https://github.com/etherCorps/sveltekit-og) lets you generate open graph images dynamically from HTML/CSS without a browser in SvelteKit
• Svelte Tap Hold (https://github.com/binsarjr/svelte-taphold) is a minimalistic tap and hold component for Svelte/SvelteKit
• svelte-copy (https://github.com/ghostdevv/svelte-copy)'s new version lets you customize the events that cause text to be copied to the clipboard
UI Kits, Integrations and Starters
• SvelteKit Statiko (https://github.com/ivodolenc/sveltekit-statiko) is a multi-featured assistant for SvelteKit static projects
• Svelte-TailwindCSS UI (STWUI) (https://github.com/N00nDay/stwui) is a Tailwind-based UI that is currently in pre-release beta
• KitBase (https://github.com/kevmodrome/kitbase) is a starter template for SvelteKit and PocketBase
• UnoCSS Vite Plugin (svelte-scoped) (https://github.com/unocss/unocss/tree/main/examples/sveltekit-scoped) is a scoped-CSS utility for Vite/SvelteKit
• SvelteKit Auth App (https://github.com/fabiorodriguesroque/sveltekit_auth_app) is an example of how we can create an authentication system with SvelteKit using JsonWebToken and Prisma
• SvelteKit Supabase Dashboard (https://github.com/xulioc/sveltekit-supabase-dashboard) is a simple dashboard inspired by Supabase UI made with SvelteKit as frontend and Supabase as backend
• Supakit (https://github.com/j4w8n/supakit) is a Supabase auth helper for SvelteKit
• @bun-community/sveltekit-adapter-bun (https://www.npmjs.com/package/@bun-community/sveltekit-adapter-bun) is an adapter for SvelteKit apps that generates a standalone Bun server
• hooks-as-store (https://github.com/micha-lmxt/hooks-as-store) lets you use React custom hooks in Svelte Apps
Fun ones
• svelte-typewriter-store (https://github.com/paoloricciuti/svelte-typewriter-store) is the simplest way to get a rotating typewriter effect in Svelte
• Aksel (https://www.npmjs.com/package/aksel) is the seagull you needed on your site
• Svelte-Dodge (https://github.com/WbaN314/svelte-dodge) makes components dodge the pointer
That’s it for this month! Let us know if we missed anything on Reddit (https://www.reddit.com/r/sveltejs/) or Discord (https://discord.gg/svelte)
See ya next month 👋
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