Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | 1x 1x 1x 1x 1x | import React, { Component } from 'react';
import PropTypes from 'prop-types';
import Context from '../../Theme/Context';
import Atom from '../Atom';
import match from '../../util/matchMedia';
const mediaToString = mediaArray => mediaArray.join(', ');
class Visible extends Component {
isMounted = false;
componentDidMount() {
this.isMounted = true;
this.forceUpdate();
window.addEventListener('resize', this.handleResize, { passive: true });
}
componentWillUnmount() {
this.isMounted = false;
window.removeEventListener('resize', this.handleResize, true);
}
get clientQueries() {
const { children, element, ...queryNames } = this.props;
return Object.keys(queryNames).map(name => this.context.theme.mediaQueries[name]);
}
get serverQueries() {
return this.clientQueries.map(query => `not ${query}`);
}
get clientContent() {
const mq = mediaToString(this.clientQueries);
const { children } = this.props;
return match(mq) ? children : null;
}
get serverContent() {
const { children, element } = this.props;
const mq = `@media ${mediaToString(this.serverQueries)}`;
return (
<Atom css={{ [mq]: { display: 'none' } }} element={element}>
{children}
</Atom>
);
}
handleResize = () => {
if (this.isMounted) this.forceUpdate();
};
render() {
return this.isMounted ? this.clientContent : this.serverContent;
}
}
Visible.propTypes = {
children: PropTypes.node.isRequired,
element: PropTypes.string,
};
Visible.defaultProps = {
element: 'div',
};
Visible.displayName = 'Visible';
Visible.contextType = Context;
export default Visible;
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