createSelectionSetAppendingTransform

createSelectionSetAppendingTransform.js

import { WrapQuery } from 'graphql-tools'
import { SelectionSetNode, Kind } from 'graphql'

/**
 * Creates a WrapQuery schema transform that appends the specified field to the selection set of the 
 * specified parent field name. This can be used to assure queries used by dataloader include the 
 * field used to align the results (usually some "id" field)
 * @param parentFieldName 
 * @param appendedFieldName 
 */
const createSelectionSetAppendingTransform = (parentFieldName: string, appendedFieldName: string) => {
  return new WrapQuery(
    // Modify the specified field's selection set
    [parentFieldName],
    (selectionSet: SelectionSetNode) => {
      const newSelection = {
        kind: Kind.FIELD,
        name: {
          kind: Kind.NAME,
          value: appendedFieldName
        }
      };

      // @ts-ignore the selection set is technically read only
      selectionSet.selections.push(newSelection)

      return selectionSet
    },
    result => result,
  )
}

export {
  createSelectionSetAppendingTransform as createSelectionSetAlteringTransform
}

Thanks @Jalle19 ,
Is there a way I could use something like this to solve this issue of ours?

I have absolutely no idea 😄🤷