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FilterRootFields.ts
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FilterRootFields.ts
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import { GraphQLFieldConfig, GraphQLSchema } from 'graphql';
import { SubschemaConfig, Transform } from '@graphql-tools/delegate';
import { RootFieldFilter } from '@graphql-tools/utils';
import TransformRootFields from './TransformRootFields.js';
interface FilterRootFieldsTransformationContext extends Record<string, any> {}
export default class FilterRootFields<TContext = Record<string, any>>
implements Transform<FilterRootFieldsTransformationContext, TContext>
{
private readonly transformer: TransformRootFields<TContext>;
constructor(filter: RootFieldFilter) {
this.transformer = new TransformRootFields(
(
operation: 'Query' | 'Mutation' | 'Subscription',
fieldName: string,
fieldConfig: GraphQLFieldConfig<any, any>,
) => {
if (filter(operation, fieldName, fieldConfig)) {
return undefined;
}
return null;
},
);
}
public transformSchema(
originalWrappingSchema: GraphQLSchema,
subschemaConfig: SubschemaConfig<any, any, any, TContext>,
): GraphQLSchema {
return this.transformer.transformSchema(originalWrappingSchema, subschemaConfig);
}
}