message: Fix ES6 Array method being used in populateExchange
diff: @@ -151,11 +151,10 @@ export const extractSelectionsFromQuery = (
  ) => {
  const selections: SelectionNode[] = [];
  const validTypes = (schema.getType(type) as GraphQLObjectType).getFields();
  - const validTypeProperties = Object.keys(validTypes);
  selectionSet.selections.forEach(selection => {
  if (selection.kind === Kind.FIELD) {
  - if (validTypeProperties.includes(selection.name.value)) {
  + if (validTypes[selection.name.value]) {
  if (selection.selectionSet) {
  selections.push({
  ...selection,
  