All files / src/ThemeProvider ThemeProvider.js

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import React, { Component } from 'preact';
import PropTypes from 'prop-types';
import defaultTheme from '../theme';
 
/**
 * Custom theme provider for application
 */
class ThemeProvider extends Component {
    static propTypes = {
        theme: PropTypes.object.isRequired,
    };
    getChildContext() {
        let { children, ...context } = this.props;
        if (context && context.theme) {
            context.theme = Object.assign(defaultTheme, context.theme || {});
        }
        return context;
    }
    render({ children }) {
        return (children && children[0]) || null;
    }
}
 
export default ThemeProvider;