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#05: Control Props #21

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#05: Control Props #21

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5b78eb6
control props ftw
ohansemmanuel Jan 15, 2020
b334a19
cleanups
ohansemmanuel Jan 15, 2020
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84 changes: 53 additions & 31 deletions showcase/src/patterns/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,6 @@ import React, {
import mojs from 'mo-js'
import { generateRandomNumber } from '../utils/generateRandomNumber'
import styles from './index.css'
import userStyles from './usage.css'

/** ====================================
* 🔰Hook
Expand Down Expand Up @@ -99,7 +98,6 @@ const useClapAnimation = ({
})

if (typeof burstEl === 'string') {
clap.style.transform = 'scale(1, 1)'
const el = document.getElementById(id)
el.style.transform = 'scale(1, 1)'
} else {
Expand Down Expand Up @@ -133,7 +131,8 @@ const { Provider } = MediumClapContext

const MediumClap = ({
children,
onClap,
onClap = () => {},
values = null,
className = '',
style: userStyles = {}
}) => {
Expand All @@ -158,32 +157,42 @@ const MediumClap = ({
burstEl: clapRef
})

// Controlled Component??
// isControlled = value !== undefined
const isControlled = !!values

const handleClapClick = () => {
animationTimeline.replay()

setClapState({
count: Math.min(count + 1, MAXIMUM_USER_CLAP),
countTotal: count < MAXIMUM_USER_CLAP ? countTotal + 1 : countTotal,
isClicked: true
})
isControlled
? onClap()
: setClapState({
count: Math.min(count + 1, MAXIMUM_USER_CLAP),
countTotal: count < MAXIMUM_USER_CLAP ? countTotal + 1 : countTotal,
isClicked: true
})
}

const componentJustMounted = useRef(true)

useEffect(() => {
if (!componentJustMounted.current) {
if (!componentJustMounted.current && !isControlled) {
onClap(clapState)
}
componentJustMounted.current = false
}, [count, onClap])
}, [count, onClap, isControlled])

const getState = useCallback(() => (isControlled ? values : clapState), [
isControlled,
clapState,
values
])

const memoizedValue = useMemo(
() => ({
...clapState,
const memoizedValue = useMemo(() => {
return {
...getState(),
setRef
}),
[clapState, setRef]
)
}
}, [getState, setRef])

const classNames = [styles.clap, className].join(' ').trim()

Expand Down Expand Up @@ -269,28 +278,41 @@ MediumClap.Total = CountTotal
Below's how a potential user
may consume the component API
==================================== **/
const Info = ({ info }) => {
return <div className={styles.info}>{info}</div>

const MAXIMUM_USER_CLAP = 10
const INITIAL_STATE = {
count: 0,
countTotal: 1206,
isClicked: false
}

const Usage = () => {
const [total, setTotal] = useState(0)
const [clapValues, setClapValues] = useState(INITIAL_STATE)

const onClap = ({ countTotal }) => {
setTotal(countTotal)
const onClap = () => {
setClapValues(({ count, countTotal }) => ({
count: Math.min(count + 1, MAXIMUM_USER_CLAP),
countTotal: count < MAXIMUM_USER_CLAP ? countTotal + 1 : countTotal,
isClicked: true
}))
}

return (
<div style={{ width: '100%' }}>
<MediumClap onClap={onClap} className={userStyles.clap}>
<MediumClap.Icon className={userStyles.icon} />
<MediumClap.Total className={userStyles.total} />
<MediumClap.Count className={userStyles.count} />
<section
style={{ display: 'flex', justifyContent: 'space-around', width: '60vw' }}
>
<MediumClap values={clapValues} onClap={onClap}>
<MediumClap.Icon />
<MediumClap.Count />
<MediumClap.Total />
</MediumClap>

<MediumClap className={styles.clap} values={clapValues} onClap={onClap}>
<MediumClap.Icon />
<MediumClap.Count />
<MediumClap.Total />
</MediumClap>
{!!total && (
<Info info={`Your article has been clapped ${total} times`} />
)}
</div>
</section>
)
}

Expand Down