google-map-react/develop/utils/props2Stream.js at master · Kumar-Ashwin-Hubert/google-map-react · GitHub

31 lines (25 loc) · 879 Bytes

import { Component } from 'react';

import { BehaviorSubject } from 'rxjs/BehaviorSubject';

import 'rxjs/add/operator/distinctUntilChanged';

import omit from './omit';

import createHelper from './createHelper';

import createEagerFactory from './createEagerFactory';

const prop2Stream = (propName, comparator = (a, b) => a === b) =>

BaseComponent => {

const factory = createEagerFactory(BaseComponent);

return class extends Component {

props$ = new BehaviorSubject(this.props[propName]).distinctUntilChanged(

comparator

);

UNSAFE_componentWillReceiveProps(nextProps) {

this.props$.next(nextProps[propName]);

}

render() {

return factory({

...omit(this.props, [propName]),

[`${propName}$`]: this.props$,

});

}

};

export default createHelper(prop2Stream, 'prop2Stream');

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