chayns-components
Version:
A set of beautiful React components for developing chayns® applications.
85 lines (81 loc) • 2.37 kB
JavaScript
/* eslint-disable react/forbid-prop-types */
/* global google */
import React, { PureComponent, Children, cloneElement, createRef } from 'react';
import PropTypes from 'prop-types';
import { toPropTypes, toHandlerName } from './PropTypes';
import deepEqual from '../../../utils/deepEqual';
const events = ['bounds_changed', 'center_changed', 'click', 'dblclick', 'drag', 'dragend', 'dragstart', 'heading_changed', 'idle', 'maptypeid_changed', 'mousemove', 'mouseout', 'mouseover', 'projection_changed', 'rightclick', 'tilesloaded', 'tilt_changed', 'zoom_changed'];
/**
* A react component wrapper around the google maps JS API.
*/
class GoogleMap extends PureComponent {
constructor(props) {
super(props);
this.ref = /*#__PURE__*/createRef();
}
componentDidMount() {
const {
options,
mapRef,
children
} = this.props;
this.map = new google.maps.Map(this.ref.current, options);
events.forEach(eventName => {
const {
[toHandlerName(eventName)]: handler
} = this.props;
if (handler) {
this.map.addListener(eventName, event => {
handler(this.map, event);
});
}
});
if (mapRef) {
mapRef.current = this.map;
}
// Needed to render initial children correctly
if (children) {
this.forceUpdate();
}
}
componentDidUpdate(prevProps) {
const {
options
} = this.props;
if (!deepEqual(prevProps.options, options)) {
this.map.setOptions(options);
}
}
/** Passes the map instance down to children */
renderChildren() {
const {
children
} = this.props;
if (!children) return null;
return Children.map(children, c => c ? /*#__PURE__*/cloneElement(c, {
__map: this.map
}) : c);
}
render() {
const {
containerStyle
} = this.props;
return /*#__PURE__*/React.createElement("div", {
ref: this.ref,
style: containerStyle
}, this.renderChildren());
}
}
GoogleMap.propTypes = {
/** @type {React.CSSProperties} */
containerStyle: PropTypes.object.isRequired,
/** @type {google.maps.MapOptions} */
options: PropTypes.object.isRequired,
...toPropTypes(events, false)
};
GoogleMap.defaultProps = {
...toPropTypes(events, true)
};
GoogleMap.displayName = 'GoogleMap';
export default GoogleMap;
//# sourceMappingURL=GoogleMap.js.map