57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
import React, { Component } from 'react';
|
|
import PropTypes from 'prop-types';
|
|
|
|
const ActivableRendererFactory = (options = { delay: 500 }) =>
|
|
ActivableComponent => class ActivableRenderer extends Component {
|
|
static propTypes = {
|
|
active: PropTypes.bool.isRequired,
|
|
children: PropTypes.node,
|
|
delay: PropTypes.number,
|
|
};
|
|
|
|
static defaultProps = {
|
|
delay: options.delay,
|
|
}
|
|
|
|
state = {
|
|
active: this.props.active,
|
|
rendered: this.props.active,
|
|
};
|
|
|
|
componentWillReceiveProps(nextProps) {
|
|
if (nextProps.active && !this.props.active) this.renderAndActivate();
|
|
if (!nextProps.active && this.props.active) this.deactivateAndUnrender();
|
|
}
|
|
|
|
componentWillUnmount() {
|
|
clearTimeout(this.activateTimeout);
|
|
clearTimeout(this.unrenderTimeout);
|
|
}
|
|
|
|
renderAndActivate() {
|
|
if (this.unrenderTimeout) clearTimeout(this.unrenderTimeout);
|
|
this.setState({ rendered: true, active: false }, () => {
|
|
this.activateTimeout = setTimeout(() => this.setState({ active: true }), 20);
|
|
});
|
|
}
|
|
|
|
deactivateAndUnrender() {
|
|
this.setState({ rendered: true, active: false }, () => {
|
|
this.unrenderTimeout = setTimeout(() => {
|
|
this.setState({ rendered: false });
|
|
this.unrenderTimeout = null;
|
|
}, this.props.delay);
|
|
});
|
|
}
|
|
|
|
render() {
|
|
const { delay, ...others } = this.props; // eslint-disable-line no-unused-vars
|
|
const { active, rendered } = this.state;
|
|
return rendered
|
|
? <ActivableComponent {...others} active={active} />
|
|
: null;
|
|
}
|
|
};
|
|
|
|
export default ActivableRendererFactory;
|