graphql-mutation.js

import { graphql } from 'react-apollo';
import gql from 'graphql-tag';

class MyComponent extends Component { ... }

const getMetaDataMutation = gql`
  mutation getMetaData($url: String) {
    getMetaData(url: $url) {
      thumbnailUrl
      viewCount
      tweetCount
    }
  }
`;

const MyComponentWithMutation = graphql(getMetaDataMutation)(MyComponent);