Async & Promises

Code Review: Async Error Handling

mediumCode ReviewJS / TS

Problem Statement

Review the following payment notification pipeline. Identify problematic async behavior, missing error handling, floating unawaited promises, and failure propagation issues.

Code under review

JAVASCRIPT• handler.js

Pairlet Snippet

// Background job processing webhook notifications
async function processWebhookPayment(payload) {
  try {
    const payment = await verifyPaymentSignature(payload);

    auditLogger.logTransaction({ id: payment.id, amount: payment.amount });

    payload.items.forEach(async (item) => {
      await updateInventoryStock(item.id, item.qty);
      await sendReceiptEmail(payment.customerEmail, item);
    });

    return { status: "processed" };
  } catch (err) {
    console.log("Something went wrong:", err);
    return { status: "processed" };
  }
}

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Write down what you would flag in this code, then compare it with the reference notes.

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Code Review: Async Error Handling

Problem Statement

Code under review

Practice solo

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