codegen.yml

overwrite: true
schema:
  - 'api/**/*.schema.ts'
config:
  # https://graphql-code-generator.com/docs/generated-config/typescript#maybevalue-string-default-value-t--null
  maybeValue: T | null | undefined
generates:
  # For API
  api/generated/graphql.ts:
    plugins:
      - 'typescript'
      - 'typescript-resolvers'
    config:
      # This is needed for apollo
      # https://github.com/dotansimha/graphql-code-generator/blob/master/docs/plugins/typescript-resolvers.md#intergration-with-apollo-server
      useIndexSignature: true
      # Passing the GraphQLContext type automatically to the generated types
      # https://github.com/dotansimha/graphql-code-generator/blob/master/docs/plugins/typescript-resolvers.md#custom-context-type
      contextType: '@api/shared/shared.types#GQLContext'
      # To map our TypeScript model interfaces to GraphQL types
      # For example, if "Query.post" doesn't return the all fields of "Post" type,
      # and they have field resolvers like "Post.viewerHasReacted", "Post.likesCount" etc,
      # TypeScript complains about that the "Query.post" doesn't return the full model.
      # (Especially if the model has non-null fields).
      # To solve the differences between TypeScript models and the models which returned by the resolvers,
      # we use mappers.
      # https://github.com/dotansimha/graphql-code-generator/blob/master/docs/plugins/typescript-resolvers.md#mappers---overwrite-parents-and-resolved-values
      # https://github.com/dotansimha/graphql-code-generator/issues/1219#issuecomment-549244957
      mappers:
        Post: '@api/shared/shared.types#PostMapper'
        Category: '@api/shared/shared.types#CategoryMapper'
        Comment: '@api/shared/shared.types#CommentMapper'
        User: '@api/shared/shared.types#UserMapper'
  # For client-side
  src/generated/graphql.ts:
    documents:
      - 'src/**/*.{ts,tsx}'
      - '!.next'
      - '!node_modules'
    plugins:
      - 'typescript'
      - 'typescript-operations'
      - 'typescript-react-apollo'
    config:
      withHooks: true
      withHOC: false
      withComponent: false
      # for @apollo/client 3
      reactApolloVersion: 3
  src/generated//graphql.schema.json:
    plugins:
      - 'introspection'