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feat(docs): create pages for significant readme section

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Ayo Ayco 2025-03-26 22:43:07 +01:00
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14 changed files with 449 additions and 20 deletions
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25
docs/astro.config.mjs
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@ -4,6 +4,9 @@ import starlight from '@astrojs/starlight'
// https://astro.build/config // https://astro.build/config
export default defineConfig({ export default defineConfig({
redirects: {
'/guides/': '/guides/why',
},
integrations: [ integrations: [
starlight({ starlight({
title: 'WCB', title: 'WCB',
@ -16,14 +19,24 @@ export default defineConfig({
label: 'Guides', label: 'Guides',
items: [ items: [
// Each item here is one entry in the navigation menu. // Each item here is one entry in the navigation menu.
{ label: 'Getting Started', slug: 'guides' }, 'why',
{ label: 'Why?', slug: 'why' }, 'getting-started',
'exports',
'usage',
'examples',
'template-vs-render',
'prop-access',
'styling',
'shadow-dom',
'just-parts',
'life-cycle-hooks',
'library-size',
], ],
}, },
{ // {
label: 'Reference', // label: 'Reference',
autogenerate: { directory: 'reference' }, // autogenerate: { directory: 'reference' },
}, // },
], ],
}), }),
], ],

11
docs/src/content/docs/guides/Index.md
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@ -1,11 +0,0 @@
---
title: Getting Started
description: A guide in my new Starlight docs site.
---
Guides lead a user through a specific task they want to accomplish, often with a sequence of steps.
Writing a good guide requires thinking about what your users are trying to do.
## Further reading
- Read [about how-to guides](https://diataxis.fr/how-to-guides/) in the Diátaxis framework

59
docs/src/content/docs/guides/examples.md Normal file
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@ -0,0 +1,59 @@
---
title: Examples
slug: examples
---
### 1. To-Do App
A simple app that allows adding / completing tasks:
[View on CodePen ↗](https://codepen.io/ayoayco-the-styleful/pen/GRegyVe?editors=1010)
![To-Do App screen recording](https://raw.githubusercontent.com/ayoayco/web-component-base/main/assets/todo-app.gif)
### 2. Single HTML file Example
Here is an example of using a custom element in a single .html file.
```html
<!doctype html>
<html lang="en">
<head>
<title>WC Base Test</title>
<script type="module">
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
class HelloWorld extends WebComponent {
static props = {
myName: 'World',
}
get template() {
return `<h1>Hello ${this.props.myName}!</h1>`
}
}
customElements.define('hello-world', HelloWorld)
</script>
</head>
<body>
<hello-world my-name="Ayo"></hello-world>
<script>
const helloWorld = document.querySelector('hello-world')
setTimeout(() => {
helloWorld.props.myName = 'Ayo zzzZzzz'
}, 2500)
</script>
</body>
</html>
```
### 3. Feature Demos
Some feature-specific demos:
1. [Context-Aware Post-Apocalyptic Human](https://codepen.io/ayoayco-the-styleful/pen/WNqJMNG?editors=1010)
1. [Simple reactive property](https://codepen.io/ayoayco-the-styleful/pen/ZEwoNOz?editors=1010)
1. [Counter & Toggle](https://codepen.io/ayoayco-the-styleful/pen/PoVegBK?editors=1010)
1. [Using custom templating (lit-html)](https://codepen.io/ayoayco-the-styleful/pen/ZEwNJBR?editors=1010)
1. [Using dynamic style objects](https://codepen.io/ayoayco-the-styleful/pen/bGzXjwQ?editors=1010)
1. [Using the Shadow DOM](https://codepen.io/ayoayco-the-styleful/pen/VwRYVPv?editors=1010)
1. [Using tagged templates in your vanilla custom element](https://codepen.io/ayoayco-the-styleful/pen/bGzJQJg?editors=1010)

42
docs/src/content/docs/guides/exports.md Normal file
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@ -0,0 +1,42 @@
---
title: Exports
slug: exports
---
You can import everything separately, or in a single file each for the main exports and utilities.
### Main Exports
```js
// all in a single file
import { WebComponent, html } from 'web-component-base'
// in separate files
import { WebComponent } from 'web-component-base/WebComponent.js'
import { html } from 'web-component-base/html.js'
```
### Utilities
```js
// in a single file
import {
serialize,
deserialize,
getCamelCase,
getKebabCase,
createElement,
} from 'web-component-base/utils'
// or separate files
import { serialize } from 'web-component-base/utils/serialize.js'
import { createElement } from 'web-component-base/utils/create-element.js'
// etc...
```

42
docs/src/content/docs/guides/getting-started.md Normal file
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@ -0,0 +1,42 @@
---
title: Getting Started
slug: getting-started
---
**Web Component Base (WCB)** is a zero-dependency, tiny JS base class for creating reactive [custom elements](https://developer.mozilla.org/en-US/docs/Web/API/Web_Components/Using_custom_elements) easily.
When you extend the WebComponent class for your component, you only have to define the template and properties. Any change in any property value will automatically cause just the component UI to render.
The result is a reactive UI on property changes.
## Project Status
It is ready for many simple cases we see people use custom elements for. If you have a cool project built on **WebComponent.io** we'd love to know! :)
For building advanced interactions, we have an in-progress work on smart diffing to prevent component children being wiped on interaction.
In the mean time, if you have some complex needs, we recommend using the `WebComponent` base class with a more mature rendering approach like `lit-html`... and here's a demo for that: [View on CodePen ↗](https://codepen.io/ayoayco-the-styleful/pen/ZEwNJBR?editors=1010).
...or you can even [use just parts](#just-the-templating) of it for your own base class.
## Installation
The library is distributed as complete ECMAScript Modules (ESM) and published on [NPM](https://ayco.io/n/web-component-base). Please file an issue in our [issue tracker](https://ayco.io/gh/web-component-base/issues) for problems or requests regarding our distribution.
### Import via CDN
It is possible to import directly using a CDN like [esm.sh](https://esm.sh/web-component-base) or [unpkg](https://unpkg.com/web-component-base) in your vanilla JS component or HTML files. In all examples in this document, we use `unpkg` but you can find on CodePen examples that `esm.sh` also works well.
Additionally, we use `@latest` in the rest of our [usage examples](#usage) here for simplicity, but take note that this incurs additional resolution steps for CDNs to find the actual latest published version. You may replace the `@latest` in the URL with specific versions as shown in our CodePen examples, and this will typically be better for performance.
```js
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
```
### Installation via npm
Usable for projects with bundlers or using import maps pointing to the specific files downloaded in `node_modules/web-component-base`.
```bash
npm i web-component-base
```

24
docs/src/content/docs/guides/just-parts.md Normal file
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@ -0,0 +1,24 @@
---
title: Using Just Some Parts
slug: 'just-parts'
---
You don't have to extend the whole base class just to use some features. All internals are exposed and usable separately so you can practically build the behavior on your own classes.
Here's an example of using the `html` tag template on a class that extends from vanilla `HTMLElement`... also [View on CodePen ↗](https://codepen.io/ayoayco-the-styleful/pen/bGzJQJg?editors=1010).
```js
import { html } from 'https://unpkg.com/web-component-base/html'
import { createElement } from 'https://unpkg.com/web-component-base/utils'
class MyQuote extends HTMLElement {
connectedCallback() {
const el = createElement(
html` <button onClick=${() => alert('hey')}>hey</button>`
)
this.appendChild(el)
}
}
customElements.define('my-quote', MyQuote)
```

8
docs/src/content/docs/guides/library-size.md Normal file
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@ -0,0 +1,8 @@
---
title: Library Size
slug: library-size
---
All the functions and the base class in the library are minimalist by design and only contains what is needed for their purpose.
The main export (with `WebComponent` + `html`) is **1.7 kB** (min + gzip) according to [bundlephobia.com](https://bundlephobia.com/package/web-component-base@latest), and the `WebComponent` base class is just **1.08 kB** (min + brotli) according to [size-limit](http://github.com/ai/size-limit).

92
docs/src/content/docs/guides/life-cycle-hooks.md Normal file
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@ -0,0 +1,92 @@
---
title: Life-Cycle Hooks
slug: life-cycle-hooks
---
Define behavior when certain events in the component's life cycle is triggered by providing hook methods
### onInit()
- Triggered when the component is connected to the DOM
- Best for setting up the component
```js
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
class ClickableText extends WebComponent {
// gets called when the component is used in an HTML document
onInit() {
this.onclick = () => console.log('>>> click!')
}
get template() {
return `<span style="cursor:pointer">Click me!</span>`
}
}
```
### afterViewInit()
- Triggered after the view is first initialized
```js
class ClickableText extends WebComponent {
// gets called when the component's innerHTML is first filled
afterViewInit() {
const footer = this.querySelector('footer')
// do stuff to footer after view is initialized
}
get template() {
return `<footer>Awesome site &copy; 2023</footer>`
}
}
```
### onDestroy()
- Triggered when the component is disconnected from the DOM
- best for undoing any setup done in `onInit()`
```js
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
class ClickableText extends WebComponent {
clickCallback() {
console.log('>>> click!')
}
onInit() {
this.onclick = this.clickCallback
}
onDestroy() {
console.log('>>> removing event listener')
this.removeEventListener('click', this.clickCallback)
}
get template() {
return `<span style="cursor:pointer">Click me!</span>`
}
}
```
### onChanges()
- Triggered when an attribute value changed
```js
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
class ClickableText extends WebComponent {
// gets called when an attribute value changes
onChanges(changes) {
const { property, previousValue, currentValue } = changes
console.log('>>> ', { property, previousValue, currentValue })
}
get template() {
return `<span style="cursor:pointer">Click me!</span>`
}
}
```

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docs/src/content/docs/guides/prop-access.md Normal file
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@ -0,0 +1,44 @@
---
title: Prop Access
slug: prop-access
---
The `props` property of the `WebComponent` interface is provided for easy read/write access to a camelCase counterpart of _any_ observed attribute.
```js
class HelloWorld extends WebComponent {
static props = {
myProp: 'World',
}
get template() {
return html` <h1>Hello ${this.props.myProp}</h1> `
}
}
```
Assigning a value to the `props.camelCase` counterpart of an observed attribute will trigger an "attribute change" hook.
For example, assigning a value like so:
```
this.props.myName = 'hello'
```
...is like calling the following:
```
this.setAttribute('my-name','hello');
```
Therefore, this will tell the browser that the UI needs a render if the attribute is one of the component's observed attributes we explicitly provided with `static props`;
> [!NOTE]
> The `props` property of `WebComponent` works like `HTMLElement.dataset`, except `dataset` is only for attributes prefixed with `data-`. A camelCase counterpart using `props` will give read/write access to any attribute, with or without the `data-` prefix.
> Another advantage over `HTMLElement.dataset` is that `WebComponent.props` can hold primitive types 'number', 'boolean', 'object' and 'string'.
### Alternatives
The current alternatives are using what `HTMLElement` provides out-of-the-box, which are:
1. `HTMLElement.dataset` for attributes prefixed with `data-*`. Read more about this [on MDN](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset).
1. Methods for reading/writing attribute values: `setAttribute(...)` and `getAttribute(...)`; note that managing the attribute names as strings can be difficult as the code grows.

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docs/src/content/docs/guides/shadow-dom.md Normal file
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@ -0,0 +1,16 @@
---
title: Using the Shadow DOM
slug: shadow-dom
---
Add a static property `shadowRootInit` with object value of type `ShadowRootInit` (see [options on MDN](https://developer.mozilla.org/en-US/docs/Web/API/Element/attachShadow#options)) to opt-in to using shadow dom for the whole component.
Try it now [on CodePen ↗](https://codepen.io/ayoayco-the-styleful/pen/VwRYVPv?editors=1010)
Example:
```js
static shadowRootInit = {
mode: "closed",
};
```

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docs/src/content/docs/guides/styling.md Normal file
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@ -0,0 +1,45 @@
---
title: Styling
slug: styling
---
When using the built-in `html` function for tagged templates, a style object of type `Partial<CSSStyleDeclaration>` can be passed to any element's `style` attribute. This allows for calculated and conditional styles. Read more on style objects [on MDN](https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleDeclaration).
Try it now with this [example on CodePen ↗](https://codepen.io/ayoayco-the-styleful/pen/bGzXjwQ?editors=1010)
```js
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
class StyledElements extends WebComponent {
static props = {
emphasize: false,
type: 'warn',
}
#typeStyles = {
warn: {
backgroundColor: 'yellow',
border: '1px solid orange',
},
error: {
backgroundColor: 'orange',
border: '1px solid red',
},
}
get template() {
return html`
<div
style=${{
...this.#typeStyles[this.props.type],
padding: '1em',
}}
>
<p style=${{ fontStyle: this.props.emphasize && 'italic' }}>Wow!</p>
</div>
`
}
}
customElements.define('styled-elements', StyledElements)
```

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docs/src/content/docs/guides/template-vs-render.md Normal file
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@ -0,0 +1,12 @@
---
title: template vs render()
slug: template-vs-render
---
This mental model attempts to reduce the cognitive complexity of authoring components:
1. The `template` is a read-only property (initialized with a `get` keyword) that represents _how_ the component view is rendered.
1. There is a `render()` method that triggers a view render.
1. This `render()` method is _automatically_ called under the hood every time an attribute value changed.
1. You can _optionally_ call this `render()` method at any point to trigger a render if you need (eg, if you have private unobserved properties that need to manually trigger a render)
1. Overriding the `render()` function for handling a custom `template` is also possible. Here's an example of using `lit-html`: [View on CodePen ↗](https://codepen.io/ayoayco-the-styleful/pen/ZEwNJBR?editors=1010)

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@ -0,0 +1,43 @@
---
title: Usage
slug: usage
---
In your component class:
```js
// HelloWorld.mjs
import { WebComponent } from 'https://unpkg.com/web-component-base@latest/index.js'
class HelloWorld extends WebComponent {
static props = {
myName: 'World',
emotion: 'sad',
}
get template() {
return `
<h1>Hello ${this.props.myName}${this.props.emotion === 'sad' ? '. 😭' : '! 🙌'}</h1>
`
}
}
customElements.define('hello-world', HelloWorld)
```
In your HTML page:
```html
<head>
<script type="module" src="HelloWorld.mjs"></script>
</head>
<body>
<hello-world my-name="Ayo" emotion="sad">
<script>
const helloWorld = document.querySelector('hello-world');
setTimeout(() => {
helloWorld.setAttribute('emotion', 'excited');
}, 2500)
</script>
</body>
```

6
docs/src/content/docs/index.mdx
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@ -8,7 +8,7 @@ hero:
# file: ../../assets/houston.webp # file: ../../assets/houston.webp
actions: actions:
- text: Get Started - text: Get Started
link: /guides/ link: /why
icon: right-arrow icon: right-arrow
- text: Play on CodePen - text: Play on CodePen
link: https://codepen.io/ayoayco-the-styleful/pen/PoVegBK?editors=1010 link: https://codepen.io/ayoayco-the-styleful/pen/PoVegBK?editors=1010
@ -25,10 +25,10 @@ import { Card, CardGrid } from '@astrojs/starlight/components';
<Card title="Tiny." icon="add-document"> <Card title="Tiny." icon="add-document">
~1 kB base class (minified, compressed) with versatile utilities ~1 kB base class (minified, compressed) with versatile utilities
</Card> </Card>
<Card title="Easy" icon="heart"> <Card title="Easy." icon="heart">
Sensible life-cycle hooks that you understand and remember Sensible life-cycle hooks that you understand and remember
</Card> </Card>
<Card title="Familiar" icon="open-book"> <Card title="Familiar." icon="open-book">
Use the built-in JSX-like syntax or bring your own custom templating Use the built-in JSX-like syntax or bring your own custom templating
</Card> </Card>
</CardGrid> </CardGrid>