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@shilman
shilman / storybook-controls-typescript-walkthrough.md
Last active May 22, 2022 06:49
Storybook Controls Walkthrough

Storybook Controls w/ CRA & TypeScript

This is a quick-and-dirty walkthrough to set up a fresh project with Storybook Controls. It's also an introduction to Storybook Args, which is a major update to Storybook's Component Story Format (CSF): a more portable and ergonomic way to write stories.

This walkthrough gives you:

  • Auto-generated controls in the addons panel
  • Auto-generated controls in your Docs
  • Auto-generated actions for event logging
  • An introduction to the future of CSF
@tannerlinsley
tannerlinsley / onWindowFocus.ts
Last active January 30, 2024 09:37
A utility function to detect window focusing without false positives from iframe focus events
type State = {
added: boolean;
interval: false | ReturnType<typeof setInterval>;
inFrame: boolean;
callbacks: Array<SetFocusedCallback>;
};
type EnrichedHTMLIFrameElement = HTMLIFrameElement & { ___onWindowFocusHandled: boolean };
type SetFocusedCallback = (focused?: boolean) => void;
@busypeoples
busypeoples / TypeScriptFundamentals.ts
Last active June 21, 2022 14:57
TypeScript Fundamentals For JavaScript Developers
// TypeScript Fundamentals For JavaScript Developers
/*
Tutorial for JavaScript Developers wanting to get started with TypeScript.
Thorough walkthrough of all the basic features.
We will go through the basic features to gain a better understanding of the fundamentals.
You can uncomment the features one by one and work through this tutorial.
If you have any questions or feedback please connect via Twitter:
A. Sharif : https://twitter.com/sharifsbeat
*/
@busypeoples
busypeoples / DeclarativeStyleDefinitionsPt1.md
Last active March 5, 2019 18:25
Declarative Style Definitions Pt.1

Declarative Style Definitions Pt.1

** Note: This is a first try at understanding the topic better. Not an expert in styling or design. The following write-up is a collection of ideas from people that have been thinking about the topic for a very long time: Brent Jackson, Adam Morse, Michael Chan, Jon Gold, Sunil Pai and many more. **

When building UIs, we mostly have a good grip of the very initial requirements. We choose tools and concepts around these requirements and implement a UI resembling the initial definition. But overtime these requirements start to evolve. More features or changes to the initial definition require changing parts of the application, sometimes even more than just small refactorings and rewrites. Most of the UI work tends to be a repetition of existing solutions but with explicit requirements that don't align with alre

@threepointone
threepointone / for-snook.md
Last active August 26, 2023 15:43
For Snook

https://twitter.com/snookca/status/1073299331262889984?s=21

‪“‬In what way is JS any more maintainable than CSS? How does writing CSS in JS make it any more maintainable?”

‪Happy to chat about this. There’s an obvious disclaimer that there’s a cost to css-in-js solutions, but that cost is paid specifically for the benefits it brings; as such it’s useful for some usecases, and not meant as a replacement for all workflows. ‬

‪(These conversations always get heated on twitter, so please believe that I’m here to converse, not to convince. In return, I promise to listen to you too and change my opinions; I’ve had mad respect for you for years and would consider your feedback a gift. Also, some of the stuff I’m writing might seem obvious to you; I’m not trying to tell you if all people of some of the details, but it might be useful to someone else who bumps into this who doesn’t have context)‬

So the big deal about css-in-js (cij) is selectors.

@joshburgess
joshburgess / newtypes-redux-api-actions.ts
Last active January 26, 2019 06:51
Using newtype-ts newtypes to dynamically generate multiple API Action types representing API request states
import { Predicate } from 'fp-ts/lib/function'
import { Prism } from 'monocle-ts'
import { Newtype, iso, prism, unsafeCoerce } from 'newtype-ts'
interface Optimistic<A extends string>
extends Newtype<
{
readonly Optimistic: unique symbol
readonly phantom: A
},
@Rich-Harris
Rich-Harris / what-is-svelte.md
Last active March 27, 2024 06:09
The truth about Svelte

I've been deceiving you all. I had you believe that Svelte was a UI framework — unlike React and Vue etc, because it shifts work out of the client and into the compiler, but a framework nonetheless.

But that's not exactly accurate. In my defense, I didn't realise it myself until very recently. But with Svelte 3 around the corner, it's time to come clean about what Svelte really is.

Svelte is a language.

Specifically, Svelte is an attempt to answer a question that many people have asked, and a few have answered: what would it look like if we had a language for describing reactive user interfaces?

A few projects that have answered this question:

@Rich-Harris
Rich-Harris / README.md
Last active September 24, 2023 20:08
first-class binding syntax

A modest proposal for a first-class destiny operator equivalent in Svelte components that's also valid JS.

Svelte 2 has a concept of computed properties, which are updated whenever their inputs change. They're powerful, if a little boilerplatey, but there's currently no place for them in Svelte 3.

This means that we have to use functions. Instead of this...

<!-- Svelte 2 -->
<h1>HELLO {NAME}!</h1>
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Font
:set guifont=Source\ Code\ Pro:h14
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Hide pointless junk at the bottom, doesn't work in .vimrc for some reason?
:set laststatus=0
:set noshowmode "don't show --INSERT--
:set noruler "don't show line numbers/column/% junk
/* eslint-disable jsx-a11y/accessible-emoji */
import React, { Suspense, useState } from "react";
import { unstable_scheduleCallback } from "scheduler";
import { unstable_createResource as createResource } from "react-cache";
import {
Combobox,
ComboboxInput,
ComboboxList,
ComboboxOption,
ComboboxOptionText