# All files ThemeProvider.js

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     import React from 'react';
    import PropTypes from 'prop-types';
    import merge from 'lodash.merge';

    import colors from './colors';

    const ThemeContext = React.createContext();

    export default class ThemeProvider extends React.Component {
      constructor(props) {
        super(props);

        this.state = {
          theme: merge(
            {
              colors,
            },
            props.theme
          ),
        };
      }

      updateTheme = updates => {
        this.setState(({ theme }) => ({
          theme: merge({}, theme, updates),
        }));
      };

      getTheme = () => {
        return this.state.theme;
      };

      render() {
        return (
          <ThemeContext.Provider
            value={{
              theme: this.state.theme,
              updateTheme: this.updateTheme,
            }}
          >
            {this.props.children}
          </ThemeContext.Provider>
        );
      }
    }

    ThemeProvider.propTypes = {
      theme: PropTypes.object,
      children: PropTypes.node.isRequired,
    };

    export const ThemeConsumer = ThemeContext.Consumer;