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feature: update image preload #476

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feature: update image preload #476

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41c3c71
feature: update image preload
Alejandbel Dec 1, 2025
00d9efe
Merge branch 'main' into feature/preload-images
Alejandbel Jan 22, 2026
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40 changes: 38 additions & 2 deletions packages/ui/src/ton-connect-ui.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import {
Account,
BrowserEventDispatcher,
checkRequiredWalletFeatures,
ConnectAdditionalRequest,
OptionalTraceable,
RequiredFeatures,
Expand Down Expand Up @@ -43,7 +44,6 @@ import { Action, setLastSelectedWalletInfo } from 'src/app/state/modals-state';
import { ActionConfiguration, StrictActionConfiguration } from 'src/models/action-configuration';
import { ConnectedWallet, WalletInfoWithOpenMethod } from 'src/models/connected-wallet';
import { applyWalletsListConfiguration, eqWalletName } from 'src/app/utils/wallets';
import { uniq } from 'src/app/utils/array';
import { Loadable } from 'src/models/loadable';
import { WalletsModalManager } from 'src/managers/wallets-modal-manager';
import { TransactionModalManager } from 'src/managers/transaction-modal-manager';
Expand All @@ -66,6 +66,9 @@ import {
WALLET_CONNECT_WALLET_NAME
} from 'src/app/env/WALLET_CONNECT';
import { IMG } from 'src/app/env/IMG';
import { uniq } from 'src/app/utils/array';
import { AT_WALLET_APP_NAME } from 'src/app/env/AT_WALLET_APP_NAME';
import { logError } from 'src/app/utils/log';

export class TonConnectUI {
public static getWallets(): Promise<WalletInfo[]> {
Expand Down Expand Up @@ -284,7 +287,7 @@ export class TonConnectUI {

this.walletsList = this.getWallets();

this.walletsList.then(list => preloadImages(uniq(list.map(item => item.imageUrl))));
this.preloadImages();

const rootId = this.normalizeWidgetRoot(options?.widgetRootId);

Expand Down Expand Up @@ -1181,6 +1184,39 @@ export class TonConnectUI {
}
}

private preloadImages() {
this.walletsList
.then(wallets => {
const preferredName = this.preferredWalletStorage.getPreferredWalletAppName();
const preferredWallet = preferredName
? wallets.find(w => w.appName === preferredName)
: undefined;

const atWallet = wallets.find(w => w.appName === AT_WALLET_APP_NAME);

const candidateWallets = [preferredWallet, atWallet, ...wallets.slice(0, 3)].filter(
wallet => wallet !== undefined
);

const requiredFeatures = this.walletsRequiredFeatures;

const walletsToPreload = candidateWallets.filter(
wallet =>
!requiredFeatures ||
checkRequiredWalletFeatures(wallet.features ?? [], requiredFeatures)
);

const imagesToPreload = uniq([
IMG.TON,
IMG.TG,
...walletsToPreload.map(w => w.imageUrl)
]);

preloadImages(imagesToPreload);
})
.catch(logError);
}

// eslint-disable-next-line complexity
private getModalsAndNotificationsConfiguration(
options?: ActionConfiguration
Expand Down