Question 1

How to use json-graphql-server with Express?

Accepted Answer

Use the `jsonGraphqlExpress` middleware by importing it and passing your data object. The README shows an example: `app.use('/graphql', jsonGraphqlExpress(data));` which sets up the server on a specific route.

Question 2

json-graphql-server vs json-server: which is better for GraphQL mocking?

Accepted Answer

json-graphql-server is specifically for GraphQL APIs, automatically generating a schema from JSON, while json-server creates a REST API. Choose json-graphql-server if you need GraphQL features like nested queries and mutations, but json-server for simpler REST mocking.

Question 3

Can I add authentication to json-graphql-server?

Accepted Answer

Yes, but you need to handle it externally with Express middleware. The README notes it 'doesn't deal with authentication' and provides an example of adding OAuth security middleware before the GraphQL endpoint.

Question 4

How to persist data changes in json-graphql-server?

Accepted Answer

Data changes are not persisted by default; mutations modify in-memory data only. For persistence, you'd need to manually save the JSON file or integrate with a database, as the tool is designed for mocking.

Question 5

Does json-graphql-server work with Apollo Client?

Accepted Answer

Yes, it works with any GraphQL client like Apollo, as it provides a standard GraphQL endpoint. You can point Apollo Client to the server's URL, and use the generated queries and mutations for testing.

Question 6

How to deploy json-graphql-server to Heroku?

Accepted Answer

The README mentions deployment with Heroku, suggesting you can use the Express setup. Create a Node.js app, include the data file, and use the middleware in your server code, then deploy as a standard Express app.

json-graphql-server

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