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const Switch = ({ on, onToggle }) => ( | |
<label className={styles.switch} onClick={onToggle}> | |
<input | |
checked={on} | |
type="checkbox" | |
/> | |
<span className={styles.slider} /> | |
</label> | |
); |
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const mousePosition = () => (BaseComponent) => { | |
return class MousePosition extends Component { | |
constructor(props) { | |
super(props); | |
this.state = { x: 0, y: 0 }; | |
} | |
componentDidMount() { | |
this.listener = (e) => { | |
this.setState(() => ({ x: e.pageX, y: e.pageY })); |
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const tween = ({ tween, duration = 1000, defaultStart, end }) => (BaseComponent) => { | |
return class Tween extends Component { | |
constructor(props) { | |
super(props); | |
this.state = { | |
timeStart: +new Date(), | |
start: defaultStart(props) || 0, | |
current: defaultStart(props) || 0, | |
}; |
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import { compose, mapProps } from 'recompose'; | |
const startX = 0; | |
const startY = 0; | |
const FollowingRectangle = compose( | |
mousePosition(), | |
tween({ | |
tween: linear, | |
duration: 1000, |
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const mousePosition = () => (BaseComponent) => { | |
return class MousePosition extends Component { | |
// ... | |
render() { | |
const { x, y } = this.state; | |
return <BaseComponent {...this.props} x={x} y={y} />; | |
} | |
} |
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const tween = ({ tween, duration = 1000, defaultStart, end }) => (BaseComponent) => { | |
return class Tween extends Component { | |
// ... | |
render() { | |
const { current } = this.state; | |
return <BaseComponent {...this.props} current={current} /> | |
} | |
} |
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function createMatrix(a = 1, b = a) { | |
return Array.from({ length: a }, () => Array.from({ length: b }, () => 0)); | |
} | |
// 1 x 10 Matrix | |
console.log(createMatrix(1, 10)); | |
// Square Matrix | |
console.log(createMatrix(3)); |
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Array.from(document.getElementsByTagName('div')); |
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function fillArray(length, value = 0) { | |
return Array.from({ length }, () => value); | |
} | |
console.log(fillArray(10, 0)); // [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] | |
console.log(fillArray(2, null)); // [null, null] |
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function dedup(arr) { | |
return Array.from(new Set(arr)); | |
}; | |
console.log(dedup([10, 10, 1, 0, 'a', 'b', 'a'])); |