enum EList {
ITEM_FOO = 'fooData',
ITEM_BAR = 'barData'
}
const lookingForKey = 'ITEM_BAR'
const lookingForValue = 'barData'
// test if `lookingForKey` exists within `EList`
console.log(Object.keys(EList).some((v) => v === lookingForKey))
// test if `lookingForValue` exists within `EList`
console.log(Object.values(EList).some((v) => v === lookingForValue))