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import React from 'react';
import QRCode from 'qrcode';
import style from './index.less';
import { transform, i18n, lan } from '../../unit/const';
import { isMobile } from '../../unit';
export default class Guide extends React.Component {
constructor() {
super();
this.state = {
isMobile: isMobile(),
QRCode: '',
};
}
componentWillMount() {
if (this.state.isMobile) {
return;
}
QRCode.toDataURL(location.href, { margin: 1 })
.then(dataUrl => this.setState({ QRCode: dataUrl }));
}
shouldComponentUpdate(state) {
if (state.QRCode === this.state.QRCode) {
return false;
}
return true;
}
render() {
if (this.state.isMobile) {
return (
null
);
}
return (
<div style={{ display: this.state.isMobile ? 'none' : 'block' }}>
<div className={`${style.guide} ${style.right}`}>
<div className={style.up}>
<em style={{ [transform]: 'translate(0,-3px) scale(1,2)' }} />
</div>
<div className={style.left}>
<em style={{ [transform]: 'translate(-7px,3px) rotate(-90deg) scale(1,2)' }} />
</div>
<div className={style.down}>
<em style={{ [transform]: 'translate(0,9px) rotate(180deg) scale(1,2)' }} /></div>
<div className={style.right}>
<em style={{ [transform]: 'translate(7px,3px)rotate(90deg) scale(1,2)' }} />
</div>
</div>
<div className={`${style.guide} ${style.left}`}>
<p>
<a href="https://github.com/chvin/react-tetris" rel="noopener noreferrer" target="_blank" title={i18n.linkTitle[lan]}>{`${i18n.github[lan]}:`}</a><br />
<iframe
src="https://ghbtns.com/github-btn.html?user=chvin&repo=react-tetris&type=star&count=true"
frameBorder="0"
scrolling="0"
width="170px"
height="20px"
style={{ [transform]: 'scale(1.68)', [`${transform}Origin`]: 'center left' }}
/>
<br />
<iframe
src="https://ghbtns.com/github-btn.html?user=chvin&repo=react-tetris&type=fork&count=true"
frameBorder="0"
scrolling="0"
width="170px"
height="20px"
style={{ [transform]: 'scale(1.68)', [`${transform}Origin`]: 'center left' }}
/>
</p>
<div className={style.space}>SPACE</div>
</div>
{ this.state.QRCode !== '' ? (
<div className={`${style.guide} ${style.qr}`}>
<img
src={this.state.QRCode}
alt={i18n.QRCode[lan]}
/>
</div>
) : null }
</div>
);
}
}
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