EC6 functions to handle json data

ec6.js

/* Method to exclude items in a json, filtering by key index */
const excludeItemsInJson =
      (jsonObject: any, filterParams: ReadonlyArray<string>) =
        Object.keys(jsonObject)
          .filter((key: string) => filterParams.includes(key) ? false : true)
          .reduce((obj, item) => ({...obj, [item]: test[item]}) ,{})

/*  Method to allow items in a json, filtering by key index.
    Then a json will be returned with all the allowed items
*/
const allowItemsInJson =
      (jsonObject: any, filterParams: ReadonlyArray<string>) =
        Object.keys(jsonObject)
          .filter((key: string) => filterParams.includes(key) ? true : false)
          .reduce((obj, item) => ({...obj, [item]: test[item]}) ,{})