export default function getFields()

in packages/graphql-docs-generator/src/generator/getFields.ts [21:64]

• 35 lines of code
• 17 McCabe index (conditional complexity)

export default function getFields(
  field: GraphQLField<any, any>,
  schema: GraphQLSchema,
  depth: number = 2,
  options: GQLDocsGenOptions
): GQLTemplateField {
  const fieldType: GQLConcreteType = getType(field.type);
  const renderS3FieldFragment = options.useExternalFragmentForS3Object && isS3Object(fieldType);
  const subFields = !renderS3FieldFragment && (isObjectType(fieldType) || isInterfaceType(fieldType)) ? fieldType.getFields() : [];

  const subFragments: any = isInterfaceType(fieldType) || isUnionType(fieldType) ? schema.getPossibleTypes(fieldType) : {};

  if (depth < 1 && !(isScalarType(fieldType) || isEnumType(fieldType))) {
    return;
  }

  const fields: Array<GQLTemplateField> = Object.keys(subFields)
    .map(fieldName => {
      const subField = subFields[fieldName];
      return getFields(subField, schema, adjustDepth(subField, depth), options);
    })
    .filter(f => f);
  const fragments: Array<GQLTemplateFragment> = Object.keys(subFragments)
    .map(fragment => getFragment(subFragments[fragment], schema, depth, fields, null, false, options))
    .filter(f => f);

  // Special treatment for S3 input
  // Swift SDK needs S3 Object to have fragment
  if (renderS3FieldFragment) {
    fragments.push(getFragment(fieldType as GraphQLObjectType, schema, depth, [], 'S3Object', true, options));
  }

  // if the current field is an object and none of the subfields are included, don't include the field itself
  if (!(isScalarType(fieldType) || isEnumType(fieldType)) && fields.length === 0 && fragments.length === 0 && !renderS3FieldFragment) {
    return;
  }

  return {
    name: field.name,
    fields,
    fragments,
    hasBody: !!(fields.length || fragments.length),
  };
}