import koa from 'koa';
import graphqlHTTP from 'koa-graphql';
import graphqlBatchHTTPWrapper from 'koa-graphql-batch';
/* some middleware to convert request.body to a JS object */
import bodyParser from 'koa-bodyparser';
/* koa-graphql is a Koa@1 middleware, so needs to be converted */
import convert from 'koa-convert';
/* you'll need some routing middleware also */
import Router from 'koa-router';
import myGraphqlSchema from './graphqlSchema';
const port = 3000;
const server = new Koa();
consr router = new Router();
/* setup standard `graphqlHTTP` Koa middleware */
const graphqlServer = convert(graphqlHTTP({
  schema: myGraphqlSchema,
  formatError: (error) => ({ // better errors for development. `stack` used in `gqErrors` middleware
    message: error.message,
    stack: process.env.NODE_ENV === 'development' ? error.stack.split('\n') : null,
  }),
}));
/* declare route for batch query */
router.all('/graphql/batch',
  bodyParser(),
  graphqlBatchHTTPWrapper(graphqlServer)
);
/* declare standard graphql route */
router.all('/graphql',
  graphqlServer
);
/* mount routes */
server.use(router.routes()).use(router.allowedMethods());
server.listen(port);