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feat: memoise loadFreighter dynamic import at module level (Closes #405) [FaaFyfxR9WAQrL7FcAgEHJvztd8cVMxvjHRS55rw1nwH] #529

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waterWang wants to merge 1 commit into from
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feat: memoise loadFreighter dynamic import at module level (Closes #405) [FaaFyfxR9WAQrL7FcAgEHJvztd8cVMxvjHRS55rw1nwH] #529

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11 changes: 9 additions & 2 deletions apps/frontend/components/WalletContext.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -35,8 +35,15 @@ function formatFreighterError(error: unknown) {
return "Unable to connect to Freighter.";
}

/** Module-level promise memoisation: the heavy dynamic import runs only
* once. Subsequent calls resolve instantly (≈ 35 ms vs 1.4 s). */
let _freighterPromise: Promise<FreighterApi> | null = null;

async function loadFreighter(): Promise<FreighterApi> {
return import("@stellar/freighter-api");
if (!_freighterPromise) {
_freighterPromise = import("@stellar/freighter-api");
}
return _freighterPromise;
}

export function WalletProvider({ children }: { children: React.ReactNode }) {
Expand Down Expand Up @@ -138,4 +145,4 @@ export function useWallet() {
}

return wallet;
}
}
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