@ledgerhq/live-common/src/exchange/swap/hooks/useSelectableCurrencies.ts

Common ground for the Ledger Live apps

import { useMemo } from "react";
import { findCryptoCurrencyById, findTokenById } from "@ledgerhq/cryptoassets";
import type { CryptoCurrency, TokenCurrency } from "@ledgerhq/types-cryptoassets";

export const useSelectableCurrencies = ({
  allCurrencies,
}: {
  allCurrencies: string[];
}): (TokenCurrency | CryptoCurrency)[] => {
  const currencies = useMemo(() => {
    const tokens = allCurrencies.map(findTokenById).filter(Boolean);
    const cryptoCurrencies = allCurrencies.map(findCryptoCurrencyById).filter(Boolean);
    return [...tokens, ...cryptoCurrencies] as (TokenCurrency | CryptoCurrency)[];
  }, [allCurrencies]);

  return currencies;
};