YUP: Validating a dynamic field object (profiles) that appears when another field (selected_groups) is checked.

gistfile1.txt

profiles: Yup.lazy((value, { parent }) => {
          if (value && parent.selected_groups?.length) {
            const newEntries = parent.selected_groups.reduce(
              (acc, val) => ({
                ...acc,
                [val]: Yup.string().test("hasValue", "item cannot be empty", (value) => {
                  return !!value;
                }),
              }),
              {}
            );
            return Yup.object().shape(newEntries);
          }
          return Yup.object().notRequired();
        }),