From ca7b44cc4b53a5f12a56d8efab55d8345355a749 Mon Sep 17 00:00:00 2001
From: Edgar Khanzadian <edgar.khanzadian@gmail.com>
Date: Tue, 9 Jan 2024 18:24:49 +0400
Subject: [PATCH] refactor: use isDefined function in filter

---
 .../choose-asset-to-fund.tsx                  | 23 +++++++------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/src/app/pages/fund/choose-asset-to-fund/choose-asset-to-fund.tsx b/src/app/pages/fund/choose-asset-to-fund/choose-asset-to-fund.tsx
index 5276ba8e9ba..6ed18bca538 100644
--- a/src/app/pages/fund/choose-asset-to-fund/choose-asset-to-fund.tsx
+++ b/src/app/pages/fund/choose-asset-to-fund/choose-asset-to-fund.tsx
@@ -1,12 +1,9 @@
 import { useCallback, useMemo } from 'react';
 import { Outlet, useNavigate } from 'react-router-dom';
 
-import {
-  AllTransferableCryptoAssetBalances,
-  BitcoinCryptoCurrencyAssetBalance,
-  StacksCryptoCurrencyAssetBalance,
-} from '@shared/models/crypto-asset-balance.model';
+import { AllTransferableCryptoAssetBalances } from '@shared/models/crypto-asset-balance.model';
 import { RouteUrls } from '@shared/route-urls';
+import { isDefined } from '@shared/utils';
 
 import { useBtcCryptoCurrencyAssetBalance } from '@app/common/hooks/balance/btc/use-btc-crypto-currency-asset-balance';
 import { useStxCryptoCurrencyAssetBalance } from '@app/common/hooks/balance/stx/use-stx-crypto-currency-asset-balance';
@@ -18,8 +15,6 @@ import { CryptoAssetList } from '@app/components/crypto-assets/choose-crypto-ass
 import { ModalHeader } from '@app/components/modal-header';
 import { useCheckLedgerBlockchainAvailable } from '@app/store/accounts/blockchain/utils';
 
-type CryptoAssetBalance = BitcoinCryptoCurrencyAssetBalance | StacksCryptoCurrencyAssetBalance;
-
 export function ChooseCryptoAssetToFund() {
   const btcCryptoCurrencyAssetBalance = useBtcCryptoCurrencyAssetBalance();
   const stxCryptoCurrencyAssetBalance = useStxCryptoCurrencyAssetBalance();
@@ -36,14 +31,12 @@ export function ChooseCryptoAssetToFund() {
 
   const filteredCryptoAssetBalances = useMemo(
     () =>
-      cryptoCurrencyAssetBalances
-        .filter((assetBalance): assetBalance is CryptoAssetBalance => assetBalance != null)
-        .filter(assetBalance =>
-          whenWallet({
-            ledger: checkBlockchainAvailable(assetBalance?.blockchain),
-            software: true,
-          })
-        ),
+      cryptoCurrencyAssetBalances.filter(isDefined).filter(assetBalance =>
+        whenWallet({
+          ledger: checkBlockchainAvailable(assetBalance?.blockchain),
+          software: true,
+        })
+      ),
     [cryptoCurrencyAssetBalances, checkBlockchainAvailable, whenWallet]
   );