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57 changes: 41 additions & 16 deletions src/components/MoneyRequestConfirmationList.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -332,19 +332,27 @@ function MoneyRequestConfirmationList({

const shouldShowTax = isTaxTrackingEnabled(isPolicyExpenseChat, policy, isDistanceRequest, isPerDiemRequest);

const previousTransactionAmount = usePrevious(transaction?.amount);
const previousTransactionCurrency = usePrevious(transaction?.currency);
const previousTransactionModifiedCurrency = usePrevious(transaction?.modifiedCurrency);
const previousCustomUnitRateID = usePrevious(customUnitRateID);
useEffect(() => {
// Set the default tax code when conditions change
if (!shouldShowTax || !transaction || !transactionID) {
// previousTransaction is in the condition because if it is falsy, it means this is the first time the useEffect is triggered after we load it, so we should calculate the default
// tax even if the other parameters are the same against their previous values.
if (
!shouldShowTax ||
!transaction ||
!transactionID ||
(transaction.taxCode &&
previousTransactionModifiedCurrency === transaction.modifiedCurrency &&
previousTransactionCurrency === transaction.currency &&
previousCustomUnitRateID === customUnitRateID)
) {
return;
}
const defaultTaxCode = getDefaultTaxCode(policy, transaction);
const currentTaxCode = transaction.taxCode ?? '';

// Update tax code if it's different from what should be the default
if (defaultTaxCode !== currentTaxCode) {
setMoneyRequestTaxRate(transactionID, defaultTaxCode ?? '');
}
}, [customUnitRateID, policy, shouldShowTax, transaction, transactionID]);
setMoneyRequestTaxRate(transactionID, defaultTaxCode ?? '');
}, [customUnitRateID, policy, previousCustomUnitRateID, previousTransactionCurrency, previousTransactionModifiedCurrency, shouldShowTax, transaction, transactionID]);
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❌ PERF-6 (docs)

In useEffect, useMemo, and useCallback, specify individual object properties as dependencies instead of passing entire objects.

Replace the transaction dependency with its specific properties that are actually used:

}, [customUnitRateID, policy, previousCustomUnitRateID, previousTransactionCurrency, previousTransactionModifiedCurrency, shouldShowTax, transaction?.taxCode, transactionID]);


const isMovingTransactionFromTrackExpense = isMovingTransactionFromTrackExpenseUtil(action);

Expand Down Expand Up @@ -479,9 +487,19 @@ function MoneyRequestConfirmationList({
}
}, [shouldCalculateDistanceAmount, isReadOnly, distanceRequestAmount, transactionID, currency, isTypeSplit, isPolicyExpenseChat, selectedParticipantsProp, transaction]);

const previousTaxCode = usePrevious(transaction?.taxCode);

// Calculate and set tax amount in transaction draft
useEffect(() => {
if (!shouldShowTax || !transaction) {
if (
!shouldShowTax ||
!transaction ||
(transaction.taxAmount !== undefined &&
previousTransactionAmount === transaction.amount &&
previousTransactionCurrency === transaction.currency &&
previousCustomUnitRateID === customUnitRateID &&
previousTaxCode === transaction.taxCode)
) {
return;
}

Expand All @@ -502,13 +520,20 @@ function MoneyRequestConfirmationList({
const taxPercentage = getTaxValue(policy, transaction, taxCode) ?? '';
const taxAmount = calculateTaxAmount(taxPercentage, taxableAmount, transaction.currency);
const taxAmountInSmallestCurrencyUnits = convertToBackendAmount(Number.parseFloat(taxAmount.toString()));

// Only update if the calculated tax amount is different from the current one
if (transaction.taxAmount !== taxAmountInSmallestCurrencyUnits) {
setMoneyRequestTaxAmount(transaction.transactionID, taxAmountInSmallestCurrencyUnits);
}
setMoneyRequestTaxAmount(transaction.transactionID, taxAmountInSmallestCurrencyUnits);
}
}, [policy, shouldShowTax, transaction, isDistanceRequest, customUnitRateID, distance]);
}, [
policy,
shouldShowTax,
previousTransactionAmount,
previousTransactionCurrency,
transaction,
isDistanceRequest,
customUnitRateID,
previousCustomUnitRateID,
previousTaxCode,
distance,
]);
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Contributor

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❌ PERF-6 (docs)

In useEffect, useMemo, and useCallback, specify individual object properties as dependencies instead of passing entire objects.

Replace the transaction dependency with its specific properties that are actually used in this effect:

    }, [
        policy,
        shouldShowTax,
        previousTransactionAmount,
        previousTransactionCurrency,
        transaction?.amount,
        transaction?.currency,
        transaction?.taxCode,
        transaction?.taxAmount,
        transaction?.transactionID,
        isDistanceRequest,
        customUnitRateID,
        previousCustomUnitRateID,
        previousTaxCode,
        distance,
    ]);


// If completing a split expense fails, set didConfirm to false to allow the user to edit the fields again
if (isEditingSplitBill && didConfirm) {
Expand Down
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