problemi/shared/utils.ts

export function validateObjectKeys<K extends string>(obj: any, keys: K[]): boolean {
    const keySet = new Set(keys)

    // @ts-ignore
    return Object.keys(obj).every(key => keySet.has(key))
}

function compareStringKeys(a: string, b: string): number {
    return a === b ? 0 : a < b ? -1 : 1
}
function compareNumberKeys(a: number, b: number): number {
    return a === b ? 0 : a < b ? -1 : 1
}

type KeyFn<T, K> = (item: T) => K

export function sortByStringKey<T>(items: T[], keyFn: KeyFn<T, string>, ascending: boolean = true) {
    return sortByKey(compareStringKeys, items, keyFn, ascending)
}

export function sortByNumericKey<T>(items: T[], keyFn: KeyFn<T, number>, ascending: boolean = true) {
    return sortByKey(compareNumberKeys, items, keyFn, ascending)
}

function sortByKey<T, K>(compareFn: (a: K, b: K) => number, items: T[], keyFn: (item: T) => K, ascending: boolean) {
    const sortedList = [...items]
    const order = ascending ? 1 : -1
    sortedList.sort((a, b) => order * compareFn(keyFn(a), keyFn(b)))
    return sortedList
}