schema-decorators.js

import { applyDecorators } from 'graphql-tools';
import {
  GraphQLSchema,
  GraphQLString,
  GraphQLObjectType,
} from 'graphql';
import { Doc, Log } from 'graphql-decorators';

const Logger = { log: (...args) => console.log(...args) };

const doc = new Doc();
const log = new Log({ logger: Logger });

const schema = new GraphQLSchema({
  query: new GraphQLObjectType({
    name: 'Query',
    decorators: [ log.apply({prefix: 'query' }) ],
    fields: {
      aString: {
        type: GraphQLString,
        decorators: [ doc.apply({ description: 'Returns hello world' }) ],
        resolve: () => 'Hello World',
      }
    }
  })
});

// call applyDecorators to apply the decorators to the schema
applyDecorators(schema);