codegen.yml

schema:
  - 'https://api.thegraph.com/subgraphs/name/blocklytics/ethereum-blocks'
  - 'https://api.thegraph.com/subgraphs/name/xeonus/balancer-v2-analytics'
documents:
  - 'src/**/*.gql'
hooks:
  afterAllFileWrite:
    - 'prettier --write'

generates:
  # Generates a full copy of the remote schema
  src/apollo/generated/schema.graphql:
    plugins:
      - schema-ast

  # Generates fragment metadata needed by apollo cache
  src/apollo/generated/fragmentMetadata.json:
    plugins:
      - fragment-matcher

  # Generates query and mutation documents
  src/apollo/generated/operations.ts:
    plugins:
      - typescript-document-nodes

  # Generates query and mutation types
  src/apollo/generated/graphql-codegen-generated.ts:
    plugins:
      - add:
          content: '/* tslint:disable */'
      - typescript
      - typescript-operations
      - typescript-react-apollo
    config:
      # Use interfaces where possible, instead of type aliases
      declarationKind: 'interface'

      # Generate nullable fields as Maybe<T> (instead of { field?: Maybe<T> })
      #avoidOptionals: true

      # Use string literal types instead of enums, for compatibility with omni types
      enumsAsTypes: true

      # __typename is always fetched, so don’t mark it as optional in generated types
      nonOptionalTypename: true

      # Inline field selections in generated types, instead of using Pick<>
      preResolveTypes: true

      # Give scalars definite types, rather than 'any'
      scalars:
        BigInt: 'string'
        BigDecimal: 'string'
        Bytes: 'string'