Find Winner With Bug.js

function areSomeNumberOfConsecutiveItemsPresentInArray(
    targetNumberOfConsecutiveItems: number,
    array: unknown[]
) {
    let numberOfConsecutiveFound = 1
 
    let previousItem: unknown = {}
 
    for (const currentItem of array) {
        if (currentItem && currentItem === previousItem)
            numberOfConsecutiveFound++
 
        if (numberOfConsecutiveFound === targetNumberOfConsecutiveItems)
            return currentItem
 
        previousItem = currentItem
    }
 
    return null
}