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87 lines
2.1 KiB
JavaScript
87 lines
2.1 KiB
JavaScript
import React, { PureComponent, Fragment } from 'react'
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import PropTypes from 'prop-types'
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import Helmet from 'react-helmet'
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import Day from '../svg/Day'
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import Night from '../svg/Night'
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import styles from './ThemeSwitch.module.scss'
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const ThemeToggle = props => (
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<span id="toggle" className={styles.checkboxContainer} aria-live="assertive">
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<Day className={props.dark ? null : 'active'} />
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<span className={styles.checkboxFake} />
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<Night className={props.dark ? 'active' : null} />
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</span>
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)
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class ThemeSwitch extends PureComponent {
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constructor(props) {
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super(props)
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this.state = { dark: null }
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}
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isDark = () => this.state.dark === true
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darkLocalStorageMode = darkLocalStorage => {
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if (darkLocalStorage === 'true') {
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this.setState({ dark: true })
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} else {
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this.setState({ dark: false })
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}
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}
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darkMode = now => {
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if (!this.isDark() && (now >= 19 || now <= 7)) {
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this.setState({ dark: true })
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} else {
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this.setState({ dark: null })
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}
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}
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componentDidMount() {
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const now = new Date().getHours()
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const darkLocalStorage = localStorage.getItem('dark')
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if (darkLocalStorage) {
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this.darkLocalStorageMode(darkLocalStorage)
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} else {
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this.darkMode(now)
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}
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}
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handleChange = event => {
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this.setState({ dark: event.target.checked })
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localStorage.setItem('dark', event.target.checked)
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}
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render() {
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return (
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<Fragment>
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<Helmet>
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<body className={this.isDark() ? 'dark' : null} />
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</Helmet>
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<aside className={styles.themeSwitch}>
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<label className={styles.checkbox}>
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<span className={styles.label}>Toggle Night Mode</span>
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<input
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onChange={this.handleChange}
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type="checkbox"
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name="toggle"
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value="toggle"
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aria-describedby="toggle"
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checked={this.isDark()}
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/>
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<ThemeToggle dark={this.isDark()} />
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</label>
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</aside>
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</Fragment>
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)
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}
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}
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ThemeToggle.propTypes = {
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dark: PropTypes.bool
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}
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export default ThemeSwitch
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