GraphQL error tracking with sentry.io

server.js

/* eslint-disable no-console, import/first */
import path from 'path';
import express from 'express';
import expressStaticGzip from 'express-static-gzip';
import graphqlHTTP from 'express-graphql';
import PrettyError from 'pretty-error';
import bodyParser from 'body-parser';
import raven from 'raven';
import morgan from 'morgan';
import { graphqlBatchHTTPWrapper } from 'react-relay-network-layer';
import { PORT, PUBLIC_URL } from 'config';
import GraphQLSchema from 'schema';
import * as myJWT from 'app/auth/_jwt';
import serverRenderHtml from './serverRenderHtml';


const pe = new PrettyError();
pe.skipNodeFiles();
pe.skipPackage('express', 'graphql');

raven.config(!__DEV__ && 'https://secret1:secret2@sentry.io/1234567', {
  release: __REVISION__,
  tags: { git_commit: __GIT_COMMIT__ },
  environment: process.env.NODE_ENV,
}).install();

const server = express();

server.use(raven.requestHandler());
server.use(morgan(__DEV__ ? 'dev' : 'combined'));

const graphQLMiddleware = graphqlHTTP(req => ({
  schema: GraphQLSchema,
  graphiql: true,
  formatError: (error) => {
    if (error.path || error.name !== 'GraphQLError') {
      console.error(pe.render(error));
      raven.captureException(error,
        raven.parsers.parseRequest(req, {
          tags: { graphql: 'exec_error' },
          extra: {
            source: error.source && error.source.body,
            positions: error.positions,
            path: error.path,
          },
        })
      );
    } else {
      console.error(pe.render(error.message));
      raven.captureMessage(`GraphQLWrongQuery: ${error.message}`,
        raven.parsers.parseRequest(req, {
          tags: { graphql: 'wrong_query' },
          extra: {
            source: error.source && error.source.body,
            positions: error.positions,
          },
        })
      );
    }
    return {
      message: error.message,
      stack: process.env.NODE_ENV === 'development' ? error.stack.split('\n') : null,
    };
  },
  context: {
    userId: req.userId,
    userEmail: req.userEmail,
    admin: req.admin,
    getUserPromise: req.getUserPromise ? req.getUserPromise.bind(req) : null,
    getAdminPromise: req.getAdminPromise ? req.getAdminPromise.bind(req) : null,
    ip: req.ip || (req.connection || {}).remoteAddress,
  },
}));

server.use('/graphql/batch',
  myJWT.validateRequest,
  bodyParser.json(),
  graphqlBatchHTTPWrapper(graphQLMiddleware)
);
server.use('/graphql',
  myJWT.validateRequest,
  graphQLMiddleware
);

server.use(expressStaticGzip(path.join(__dirname, 'public')));
server.get('/*', serverServeApp);

// Error handling
server.use((err, req, res, next) => { // eslint-disable-line no-unused-vars
  console.log(pe.render(err)); // eslint-disable-line no-console
  res.status(err.status || 500);
  res.setHeader('Content-Type', 'text/plain');
  res.send(__DEV__ ? err.stack : 'Oops, internal server error');
});

server.listen(PORT, () => {
  console.log(`The server is running at http://localhost:${PORT}/`);
});