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const store = { | |
actions: { | |
play: (dispatch, payload, actions) => { | |
// do some action | |
// payload --> 'abc' | |
dispatch('play', 'arg1', 'arg2') | |
} | |
}, | |
reducer: { | |
play: (_) => ({ ..._ }) |
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const blockOne = (funcName) => { | |
if (funcName === 'one') { | |
return false | |
} | |
} | |
const emitEvent = (funcName) => { | |
console.log('[event] ' + funcName) | |
} |
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function usePrevious(value) { | |
const ref = useRef() | |
useEffect(() => { | |
ref.current = value | |
}, [value]) | |
return ref.current | |
} |
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const machine = { | |
empty: { | |
SELECT: { | |
to: 'loading', | |
action: (state, dispatch) => { | |
interval.stop() | |
loadBook().then((book) => dispatch('SELECT_SUCCESS', book)) | |
return { ...state, title: null, progress: 0 } | |
}, | |
}, |
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function prop(value, path) { | |
path = path | |
.replace(/\[(\d)\]/g, (_, v) => '.' + v) | |
.replace(/^\./, '') | |
.split('.') | |
let current = value | |
for (let prop of path) { | |
if (current[prop]) current = current[prop] | |
else return current[prop] | |
} |
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const getGlobals = (() => { | |
const diff = (a, b) => a.filter((v) => !b.includes(v)) | |
const windowProps = JSON.parse( | |
'["window","self","document","name","location","customElements","history","locationbar","menubar","personalbar","scrollbars","statusbar","toolbar","status","closed","frames","length","top","opener","parent","frameElement","navigator","origin","external","screen","innerWidth","innerHeight","scrollX","pageXOffset","scrollY","pageYOffset","visualViewport","screenX","screenY","outerWidth","outerHeight","devicePixelRatio","clientInformation","screenLeft","screenTop","defaultStatus","defaultstatus","styleMedia","onsearch","isSecureContext","performance","onappinstalled","onbeforeinstallprompt","crypto","indexedDB","webkitStorageInfo","sessionStorage","localStorage","onbeforexrselect","onabort","onblur","oncancel","oncanplay","oncanplaythrough","onchange","onclick","onclose","oncontextmenu","oncuechange","ondblclick","ondrag","ondragend","ondragenter","ondragleave","ondragover","ondragstart","o |
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const timeTaken = | |
(fn) => | |
async (...args) => { | |
console.time(fn.name); | |
const res = await fn(...args); | |
console.timeEnd(fn.name); | |
return res; | |
}; |
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<div id="app"></div> | |
<script> | |
const $ = (...args) => { | |
if (args.length > 1) args.reverse() | |
const [query, parent = document] = args | |
return Array.from(parent.querySelectorAll(query)) | |
} | |
$.create = (html) => { |
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const createInterval = () => { | |
let interval = null | |
const start = (cb, delay) => !interval && (interval = setInterval(cb, delay)) | |
const stop = () => { | |
clearInterval(interval) | |
interval = null | |
} | |
return { start, stop } | |
} |
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const SORT_STRATEGIES = { | |
asc: (a, b) => (a - b > 0 ? 1 : -1), | |
desc: (a, b) => (a - b < 0 ? 1 : -1), | |
}; | |
const pipe = (...fns) => | |
fns.reduce( | |
(f, g) => | |
(...args) => | |
g(f(...args)) |