old_contents: import React from 'react';
  
  import refractToComponentsMap from 'refractToComponentMap';
  import theme from 'theme'
  
  class Attribute extends React.Component {
    static propTypes = {
      element: React.PropTypes.object,
      expandableCollapsible: React.PropTypes.bool,
      parentElement: React.PropTypes.object,
    }
  
    static childContextTypes = {
      theme: React.PropTypes.object,
    }
  
    constructor(props) {
      super(props);
    }
  
    getChildContext() {
      return {
        theme
      };
    }
  
    render() {
      if (!this.props.element) {
        return false;
      }
  
      const reactComponent = refractToComponentsMap[this.props.element.element];
  
      if (typeof reactComponent === 'undefined') {
        return new Error(`Unable to find a rendering component for ${this.props.element.element}`);
      }
  
      return React.createElement(reactComponent, {
        element: this.props.element,
        expandableCollapsible: this.props.expandableCollapsible,
        parentElement: this.props.parentElement,
      });
    }
  }
  
  export default Attribute;
  
new_contents: import React from 'react';
  
  import refractToComponentsMap from 'refractToComponentMap';
  import theme from 'theme';
  
  class Attribute extends React.Component {
    static propTypes = {
      element: React.PropTypes.object,
      expandableCollapsible: React.PropTypes.bool,
      parentElement: React.PropTypes.object,
    }
  
    static childContextTypes = {
      theme: React.PropTypes.object,
    }
  
    constructor(props) {
      super(props);
    }
  
    getChildContext() {
      return {
        theme,
      };
    }
  
    render() {
      if (!this.props.element) {
        return false;
      }
  
      const reactComponent = refractToComponentsMap[this.props.element.element];
  
      if (typeof reactComponent === 'undefined') {
        return new Error(`Unable to find a rendering component for ${this.props.element.element}`);
      }
  
      return React.createElement(reactComponent, {
        element: this.props.element,
        expandableCollapsible: this.props.expandableCollapsible,
        parentElement: this.props.parentElement,
      });
    }
  }
  
  export default Attribute;
  
subject: Fix missing semicolon and missing trailing comma.