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benchmark.tsx
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benchmark.tsx
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import {
h,
render,
useReducer,
useEffect,
useCallback,
memo,
} from '../../src/index'
var startTime
var lastMeasure
var startMeasure = function (name) {
console.timeStamp(name)
startTime = performance.now()
lastMeasure = name
}
var stopMeasure = function () {
var last = lastMeasure
if (lastMeasure) {
lastMeasure = null
var stop = performance.now()
console.log('fre offscreen ' + last + ' took ' + (stop - startTime))
}
}
function random(max) {
return Math.round(Math.random() * 1000) % max
}
const A = [
'pretty',
'large',
'big',
'small',
'tall',
'short',
'long',
'handsome',
'plain',
'quaint',
'clean',
'elegant',
'easy',
'angry',
'crazy',
'helpful',
'mushy',
'odd',
'unsightly',
'adorable',
'important',
'inexpensive',
'cheap',
'expensive',
'fancy',
]
const C = [
'red',
'yellow',
'blue',
'green',
'pink',
'brown',
'purple',
'brown',
'white',
'black',
'orange',
]
const N = [
'table',
'chair',
'house',
'bbq',
'desk',
'car',
'pony',
'cookie',
'sandwich',
'burger',
'pizza',
'mouse',
'keyboard',
]
let nextId = 1
function buildData(count) {
const data = new Array(count)
for (let i = 0; i < count; i++) {
data[i] = {
id: nextId++,
label: `${A[random(A.length)]} ${C[random(C.length)]} ${
N[random(N.length)]
}`,
}
}
return data
}
function listReducer(state, action) {
const { data, selected } = state
switch (action.type) {
case 'RUN':
return { data: buildData(1000), selected: 0 }
case 'RUN_LOTS':
return { data: buildData(10000), selected: 0 }
case 'ADD':
return { data: data.concat(buildData(1000)), selected }
case 'UPDATE':
const newData = data.slice(0)
for (let i = 0; i < newData.length; i += 10) {
const r = newData[i]
newData[i] = { id: r.id, label: r.label + ' !!!' }
}
return { data: newData, selected }
case 'CLEAR':
return { data: [], selected: 0 }
case 'SWAP_ROWS':
return data.length > 998
? {
data: [
data[0],
data[998],
...data.slice(2, 998),
data[1],
data[999],
],
selected,
}
: state
case 'REMOVE':
const idx = data.findIndex((d) => d.id === action.id)
return { data: [...data.slice(0, idx), ...data.slice(idx + 1)], selected }
case 'SELECT':
return { data, selected: action.id }
}
return state
}
const Row = memo(({ selected, item, dispatch, id }) => {
return (
<tr className={selected ? 'danger' : ''}>
<td className='col-md-1'>{item.id}</td>
<td className='col-md-4'>
<a onClick={() => dispatch({ type: 'SELECT', id: item.id })}>
{item.label}
</a>
</td>
<td className='col-md-1'>
<a onClick={() => dispatch({ type: 'REMOVE', id: item.id })}>
<span className='glyphicon glyphicon-remove' aria-hidden='true' />
</a>
</td>
<td className='col-md-6' />
</tr>
)
})
const Button = ({ id, cb, title }) => {
const c = () => {
startMeasure(id)
cb()
}
return (
<div className='col-sm-6 smallpad'>
<button
type='button'
className='btn btn-primary btn-block'
id={id}
onClick={c}
>
{title}
</button>
</div>
)
}
const Jumbotron = memo(({ dispatch }) => (
<div className='jumbotron'>
<div className='row'>
<div className='col-md-6'>
<h1>Fre Hooks keyed</h1>
</div>
<div className='col-md-6'>
<div className='row'>
<Button
id='run'
title='Create 1,000 rows'
cb={() => dispatch({ type: 'RUN' })}
/>
<Button
id='runlots'
title='Create 10,000 rows'
cb={() => dispatch({ type: 'RUN_LOTS' })}
/>
<Button
id='add'
title='Append 1,000 rows'
cb={() => dispatch({ type: 'ADD' })}
/>
<Button
id='update'
title='Update every 10th row'
cb={() => dispatch({ type: 'UPDATE' })}
/>
<Button
id='clear'
title='Clear'
cb={() => dispatch({ type: 'CLEAR' })}
/>
<Button
id='swaprows'
title='Swap Rows'
cb={() => dispatch({ type: 'SWAP_ROWS' })}
/>
</div>
</div>
</div>
</div>
))
const Main = () => {
const [state, setState] = useReducer(listReducer, { data: [], selected: 0 })
const dispatch = useCallback(setState, [])
useEffect(stopMeasure)
return (
<div className='container'>
<Jumbotron dispatch={dispatch} />
<table className='table table-hover table-striped test-data'>
<tbody>
{state.data.map((item) => {
return (
<Row
key={item.id + ''}
item={item}
selected={state.selected === item.id}
dispatch={dispatch}
/>
)
})}
</tbody>
</table>
<span
class='preloadicon glyphicon glyphicon-remove'
aria-hidden='true'
></span>
</div>
)
}
render(<Main />, document.getElementById('app'))