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WrapType.ts
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WrapType.ts
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import { GraphQLSchema } from 'graphql';
import { DelegationContext, SubschemaConfig, Transform } from '@graphql-tools/delegate';
import { ExecutionRequest, ExecutionResult } from '@graphql-tools/utils';
import WrapFields from './WrapFields.js';
interface WrapTypeTransformationContext extends Record<string, any> {}
export default class WrapType<TContext extends Record<string, any> = Record<string, any>>
implements Transform<WrapTypeTransformationContext, TContext>
{
private readonly transformer: WrapFields<TContext>;
constructor(outerTypeName: string, innerTypeName: string, fieldName: string) {
this.transformer = new WrapFields(outerTypeName, [fieldName], [innerTypeName]);
}
public transformSchema(
originalWrappingSchema: GraphQLSchema,
subschemaConfig: SubschemaConfig<any, any, any, TContext>,
): GraphQLSchema {
return this.transformer.transformSchema(originalWrappingSchema, subschemaConfig);
}
public transformRequest(
originalRequest: ExecutionRequest,
delegationContext: DelegationContext<TContext>,
transformationContext: WrapTypeTransformationContext,
): ExecutionRequest {
return this.transformer.transformRequest(
originalRequest,
delegationContext,
transformationContext as any,
);
}
public transformResult(
originalResult: ExecutionResult,
delegationContext: DelegationContext<TContext>,
transformationContext: WrapTypeTransformationContext,
): ExecutionResult {
return this.transformer.transformResult(
originalResult,
delegationContext,
transformationContext as any,
);
}
}