apollo-logger
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0.3.3 • Public • Published

Apollo GraphQL Logger

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Installation

npm install --save-dev apollo-logger

Usage

For full logging you will need to attach Apollo Logger to:

  • Apollo Link
  • Apollo Express Server
  • And PubSub
import { LoggingLink, wrapPubSub, formatResponse } from 'apollo-logger';
 
const logOptions = { logger: console.log };
 
const link = ApolloLink.from([
  new LoggingLink(logOptions),
  new HttpLink({uri: ...})
);
 
...
 
app.use('/graphql', bodyParser.json(), graphqlExpress({ schema: myGraphQLSchema, formatResponse: formatResponse.bind(logOptions) });
 
...
 
const pubsub = wrapPubSub(new PubSub(), logOptions);

Sample output

On each example the result of operation comes after =>

  • Query:
{"data":{"post":{"id":20,"title":"Post title 20","content":"Post content 20","__typename":"Post","comments":[{"id":39,"content":"Comment title 1 for post 20","__typename":"Comment"},{"id":40,"content":"Comment title 2 for post 20","__typename":"Comment"}]}}} <= post({"id":"20"})
  • Mutation:
{"data":{"addCounter":{"amount":21,"__typename":"Counter"}}} <= addCounter({"amount":1})
  • Subscription
subscribe <= onPostUpdated({"endCursor":11})
  • Subscription message:
{"data":{"counterUpdated":{"amount":21,"__typename":"Counter"}}} <= onCounterUpdated
  • Unsubscription
unsubscribe <= onPostUpdated({"endCursor":11})
  • PubSub publish on a server:
pubsub publish [ 'countUpdated',
  { id: 1, created_at: null, updated_at: null, amount: 7 } ]
  • PubSub subscribe on a server:
pubsub subscribe postsUpdated => 2
  • PubSub unsubscribe on a server:
pubsub unsubscribe [ 2 ]
  • PubSub message generated on a server:
pubsub msg postsUpdated({"mutation":"CREATED","id":21,"node":{"id":21,"title":"New post 1"}})

License

Copyright © 2017 SysGears INC. This source code is licensed under the MIT license.

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npm i apollo-logger

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Version

0.3.3

License

MIT

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