Equivalence in GraphQL with { [key: string]: string } in TypeScript

Question

What is the equivalence in GraphQL { [key: string]: string } in GraphQL in TypeScript?

#schema.gql
type App implements Node {
  name: String!
  tags: 'EQUIVALENCE { [key: string]: string }'
}

Thanks!

Nishant · Accepted Answer · 2021-11-22 17:32:20Z

1

Raw JSON is discouraged in GraphQL (which is what your tags field looks like), see this discussion: https://github.com/graphql/graphql-spec/issues/612

But, there is a way using custom scalar (https://www.graphql-tools.com/docs/scalars) and typing tags as JSON. See here: https://www.graphql-tools.com/docs/scalars#using-a-package

I am copying the example here for posterity

import { makeExecutableSchema } from '@graphql-tools/schema'
import { GraphQLJSON } from 'graphql-scalars'

const schemaString = `

scalar JSON

type Foo {
  tags: JSON
}

type Query {
  foo: Foo
}

`

const resolveFunctions = {
  JSON: GraphQLJSON
}

const jsSchema = makeExecutableSchema({ typeDefs: schemaString, resolvers: resolveFunctions })

If you can, I would suggest choosing something like this:

#schema.gql
type App implements Node {
  name: String!
  tags: [ { name: String!, value: String! }! ]!
}

edited Nov 22, 2021 at 17:32

answered Nov 22, 2021 at 8:48

Nishant

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