From React To SvelteKit
Syntax - Tasty Web Development Treats
Maximizing Pressure Washing Efficiency and Learning Web Components
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In this episode of Syntax, Scott talks with Wes about moving Level Up Tutorials from React to SvelteKit — why he did it, how, benefits, things to watch out for, and more!
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Show Notes07:28 - Thoughts
- Apples to oranges, so unfortunately, no super legit ability to compare.
- Whole conversion took a couple of months.
- Hardest part was making UI choices and changes, straight up converting components one by one wasn’t actually that tough
16:14 - Converting React components to Svelte
- useState becomes just a straight-up variable
- Graphql calls were hooks now just imported generated functions
- Remove extranous fragments
- Convert {things && } to {#if thing}{/if}
- becomes
24:06 - Spark joys
- State
- Our checkout flow became way more transparent, way easier with Svelte stores
- Render flow
- Was never something we needed to really think about. Didn’t think about memoizing, or worrying about too many renders down the line, just never needed to
- Overall developer experience
- It’s honestly a joy to work in and I don’t want to go back
- Making a library
- Package dir, new SvelteKit project, svelte-kit package
- I made svelte-toy - https://github.com/leveluptuts/svelte-toy
- svelte-element-query - https://github.com/leveluptuts/Svelte-Element-Query
- svelte-simple-datatable fork
- Creating a sitemap was extremely easy, because of server-side routes. file.returnformat.ts ie sitemap.xml.ts
- CSS without a css-in-js library for scoping is a dream. CSS props are now 100% via CSS variables using the https://svelte.dev/docs#style_props
- Animations are all done with Svelte’s internal animations lib
32:45 - Hosting
- adapter-node
- Hosted on render.com as a straight-up node process $7/m for more than enough RAM and CPU,
- Lots of other options for static, Vercel, workers whatever, I like having just a straight-up node app you can host anywhere
35:50 - Things to do
- Admin tools
- Pancake lib for charts
37:00 - Challenges
- ESM is not always smooth sailin
- Import has from ‘lodash/has’ didn’t working in dev, but import has from ‘lodash/has.js’ didn’t work in prod.
- Solution was to use lodash.has as the dependency
- Apollo included all React as a dep unless you import from @core
- Import has from ‘lodash/has’ didn’t working in dev, but import has from ‘lodash/has.js’ didn’t work in prod.
- TS is great, but there was once where I wanted to define the entire props ts object for a spread prop, but was not possible
- Drag animations
Cloudinary
42:46 - Wes’ questions
- What about the ecosystem?
- What about forms + DOM data?
- Serverless functions?
- Do you always bind to state? Or just access directly?
- Scott: Web Components 101 - Sign up for the year and save 25%!
- Wes: All Courses - Use the coupon code ‘Syntax’ for $10 off!
- Scott’s Instagram
- LevelUpTutorials Instagram
- Wes’ Instagram
- Wes’ Twitter
- Wes’ Facebook
- Scott’s Twitter
- Make sure to include @SyntaxFM in your tweets
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