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import React, { useEffect, useRef, useState } from 'react' | |
import './LazyImage.scss' | |
const LazyImage = (props) => { | |
const [ isLoaded, setIsLoaded ] = useState(false) | |
const [ isVisible, setIsVisible ] = useState(false) | |
const { src, alt, width, height, className } = props | |
const placeHolderStyle = {paddingBottom: `${(height / width) * 100}%`} | |
const imageRef = useRef() |
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import { getInitialState, syncLocalStorageWithRedux } from './util-localStorage' | |
const reduxStorageKey = 'my-application:' | |
const ONE_SECOND = 1000 | |
const ONE_MINUTE = ONE_SECOND * 60 | |
const ONE_HOUR = ONE_MINUTE * 60 | |
const ONE_DAY = ONE_HOUR * 24 | |
const ONE_YEAR = ONE_DAY * 365 | |
// create a white list. key is the redux store key, and lifeSpan is |