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https://github.com/Rel1cx/react-jsbox

Custom React renderer for JSBox.
https://github.com/Rel1cx/react-jsbox

jsbox react react-reconciler

Last synced: 3 months ago
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Custom React renderer for JSBox.

Awesome Lists containing this project

README

        

Welcome to react-jsbox 👋




> A custom React renderer for writing JSBox apps in React.

npm:

React doc:

JSBox doc:

Example App:

## Examples

### Class

```jsx
import React from 'react'
import { render } from 'react-jsbox'

// Create React Components:
class App extends React.PureComponent {
constructor(props) {
super(props)
console.log(props)
this.state = {
count: 0
}
}

render() {
const { width, height } = this.props
const styles = {
container: $rect(0, 0, width, height),
text: $rect(0, height * 0.25 - 15, width, 30),
list: $rect(0, height * 0.5, width, 140)
}
return (



this.setState({
count: this.state.count + [1, -1, -this.state.count][row]
})
}}
/>

)
}
}

// Create JSBox root container and render the React component into it
$ui.render({
props: {
title: '',
debugging: true
},
views: [
{
type: 'view',
props: {
id: 'root'
},
layout(make, view) {
make.edges.equalTo(view.super.safeArea)
},
events: {
layoutSubviews(view) {
const { width, height } = view.frame
render(, view)
}
}
}
]
})
```

#### Use ref to access JSBox view instance

```jsx
import React from 'react'
import { render } from 'react-jsbox'

class App extends React.PureComponent {
constructor(props) {
super(props)
this.state = {
text: ''
}
this._input = React.createRef()
this._handleTextChange = this.handleTextChange.bind(this)
}

handleTextChange(sender) {
this.setState({ text: sender.text })
}

componentDidMount() {
this._input.current.focus()
}

render() {
const { width, height } = this.props
const styles = {
container: $rect(0, 0, width, height - 40),
text: $rect(0, 64, width, 30),
textInput: $rect(10, 160, width - 20, 48)
}
return (
this._input.current.blur()
}}
>



)
}
}

$ui.render({
props: {
title: '',
debugging: true
},
views: [
{
type: 'view',
props: {
id: 'root'
},
layout(make, view) {
make.edges.equalTo(view.super.safeArea)
},
events: {
layoutSubviews(view) {
const { width, height } = view.frame
render(, view)
}
}
}
]
})
```

### Hooks

#### useReducer

```jsx
import React, { useMemo } from 'react'
import { render } from 'react-jsbox'

function App({ width, height }) {
const [state, dispatch] = React.useReducer(counterReducer, { count: 0 })

const styles = useMemo(
() => ({
container: $rect(0, 0, width, height),
text: $rect(0, height * 0.25 - 15, width, 30),
list: $rect(0, height * 0.5, width, 140)
}),
[width, height]
)

return (


dispatch({ type: data })
}}
/>

)
}

const counterReducer = (state, action) => {
switch (action.type) {
case 'INCREASE':
return { ...state, count: state.count + 1 }
case 'DECREASE':
return { ...state, count: state.count - 1 }
case 'RESET':
return { ...state, count: 0 }
default:
throw new Error()
}
}

$ui.render({
props: {
title: '',
debugging: true
},
views: [
{
type: 'view',
props: {
id: 'root'
},
layout(make, view) {
make.edges.equalTo(view.super.safeArea)
},
events: {
layoutSubviews(view) {
const { width, height } = view.frame
render(, view)
}
}
}
]
})
```

#### useEffect

In **useCache.js**

```jsx
import { useEffect, useState } from 'react'

const useCache = (key, initialValue) => {
const [state, setState] = useState(() => {
const cacheValue = $cache.get(key)
if (cacheValue === undefined) {
$cache.set(key, initialValue)
return initialValue
}
return cacheValue
})
useEffect(() => $cache.set(key, state))

return [state, setState]
}

export default useCache
```

In **app.js**

```jsx
import React, { useMemo } from 'react'
import { render, useCache } from 'react-jsbox'
import useCache from './useCache'

function App({ width, height }) {
const [count, setCount] = useCache('count', 0)

const styles = useMemo(
() => ({
container: $rect(0, 0, width, height),
text: $rect(0, height * 0.25 - 15, width, 30),
list: $rect(0, height * 0.5, width, 140)
}),
[width, height]
)

return (


x + [1, -1, -x][row])
}
}}
/>

)
}

$ui.render({
props: {
title: '',
debugging: true
},
views: [
{
type: 'view',
props: {
id: 'root'
},
layout(make, view) {
make.edges.equalTo(view.super.safeArea)
},
events: {
layoutSubviews(view) {
const { width, height } = view.frame
render(, view)
}
}
}
]
})
```

#### JsxLiteral

```javascript
const htm = require('htm')
const { createElement, useState, useMemo } = require('react')
const ReactJSBox = require('react-jsbox')
const jsx = htm.bind(createElement)

function JsxLiteralExample({ width, height }) {
const [count, setCount] = useState(0)

const styles = useMemo(
() => ({
container: $rect(0, 0, width, height),
text: $rect(0, height * 0.25 - 15, width, 30),
list: $rect(0, height * 0.5, width, 140)
}),
[width, height]
)

return jsx`

{
setCount(x => x + [1, -1, -x][row])
}
}}
/>
`
}

$ui.render({
props: {
title: 'JsxLiteralExample'
},
views: [
{
type: 'view',
props: {
id: 'root'
},
layout(make, view) {
make.edges.equalTo(view.super.safeArea)
},
events: {
layoutSubviews(view) {
const { width, height } = view.frame
ReactJSBox.render(jsx`<${JsxLiteralExample} width=${width} height=${height} />`, view)
}
}
}
]
})
```

## Author

👤 **Eva1ent**

- Github: [@Nicify](https://github.com/Nicify)

## Show your support

Give a ⭐️ if this project helped you !