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perf: Split TransactionItemRow into narrow and wide versions#89120

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jmusial wants to merge 5 commits intoExpensify:mainfrom
software-mansion-labs:perf/split-transaction-item-row
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perf: Split TransactionItemRow into narrow and wide versions#89120
jmusial wants to merge 5 commits intoExpensify:mainfrom
software-mansion-labs:perf/split-transaction-item-row

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@jmusial jmusial commented Apr 28, 2026

Explanation of Change

Split TransactionItemRow (the inner data-row) and TransactionListItem (the outer search-list item) into viewport-specific variants — *Wide (table layout) and *Narrow (mobile layout) — so each viewport only loads the code, column renderers, and dependencies it actually needs.

Also introduced three deferred-rendering wrappers.

  • DeferredActionCell — renders a pulsing skeleton on first paint, then swaps in the real ActionCell after a transition
  • DeferredChatBubbleCell — same pattern for the comment-count bubble icon
  • DeferredTransactionItemRowRBR — defers the RBR (red-brick-road) violation/error row

This keeps large search result lists responsive on initial render by letting React paint the visible shell immediately and hydrate heavier sub-trees in a lower-priority pass.

Note: this PR overlaps with #89083

Perf gains

image image

Fixed Issues

$ #89123
PROPOSAL:

Tests

  1. Start Spend/Reports
  2. Navigate to Spend/Expenses
  3. Should work as prod with possible skeleton loader on certain components

Offline tests

Same as tests.

QA Steps

Same as tests.

PR Author Checklist

  • I linked the correct issue in the ### Fixed Issues section above
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Screenshots/Videos

MacOS: Chrome / Safari
Screen.Recording.2026-04-29.at.15.56.23.mov

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codecov Bot commented Apr 28, 2026

@jmusial jmusial changed the title Split TransactionItemRow into narrow and wide versions perf: Split TransactionItemRow into narrow and wide versions Apr 28, 2026
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jmusial commented Apr 29, 2026

@codex review

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💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 7d8ee4fda6

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taxAmountColumnSize={CONST.SEARCH.TABLE_COLUMN_SIZES.NORMAL}
shouldShowCheckbox={!!canSelectMultiple}
checkboxSentryLabel={CONST.SENTRY_LABEL.SEARCH.TRANSACTION_LIST_ITEM_CHECKBOX}
style={[styles.p3, styles.pv2, shouldUseNarrowLayout ? [styles.p0, styles.pt3] : [styles.noBorderRadius]]}
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P2 Badge Keep narrow transaction rows square-cornered

The narrow list path no longer includes styles.noBorderRadius when rendering TransactionItemRow, but TransactionItemRowNarrow still applies styles.expenseWidgetRadius internally. On small screens this reintroduces rounded inner corners in hydrated search rows, while the static placeholder list still uses square corners, causing a visible shape jump when the real list replaces the static one and breaking the stated narrow-layout visual parity.

Useful? React with 👍 / 👎.

isDescription={!merchant}
/>
) : null}
<View style={[styles.flexRow, styles.alignItemsCenter, styles.gap2]}>
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P3 Badge Right-align amount block when merchant text is absent

The trailing amount/comments container is always rendered without the previous conditional mlAuto, so when merchantOrDescription is empty the row has only one child in this justifyContentBetween section and it sits at the left instead of the right. This misaligns amount/comment content for transactions without merchant/description (common for partial scans or missing fields).

Useful? React with 👍 / 👎.

@jmusial jmusial marked this pull request as ready for review April 29, 2026 14:10
@jmusial jmusial requested review from a team as code owners April 29, 2026 14:10
@melvin-bot melvin-bot Bot requested review from ChavdaSachin and heyjennahay and removed request for a team April 29, 2026 14:10
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melvin-bot Bot commented Apr 29, 2026

@ChavdaSachin Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

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jmusial commented Apr 29, 2026

I'll be OOO until 10 May. @OlGierd03 will be looking after this PR until then.


// eslint-disable-next-line react/jsx-props-no-spreading
return <ChatBubbleCell {...props} />;
}
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❌ CONSISTENCY-5 (docs)

The eslint-disable-next-line react/jsx-props-no-spreading lacks a comment explaining why the rule is disabled.

Add a justification comment:

// Deferred wrapper intentionally forwards all props to the underlying component
// eslint-disable-next-line react/jsx-props-no-spreading
return <ChatBubbleCell {...props} />;

Reviewed at: 7d8ee4f | Please rate this suggestion with 👍 or 👎 to help us improve! Reactions are used to monitor reviewer efficiency.

}

// eslint-disable-next-line react/jsx-props-no-spreading
return <TransactionItemRowRBR {...props} />;
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❌ CONSISTENCY-5 (docs)

The eslint-disable-next-line react/jsx-props-no-spreading lacks a comment explaining why the rule is disabled.

Add a justification comment:

// Deferred wrapper intentionally forwards all props to the underlying component
// eslint-disable-next-line react/jsx-props-no-spreading
return <TransactionItemRowRBR {...props} />;

Reviewed at: 7d8ee4f | Please rate this suggestion with 👍 or 👎 to help us improve! Reactions are used to monitor reviewer efficiency.

import DeferredTransactionItemRowRBR from './DeferredTransactionItemRowRBR';
import type {TransactionItemRowNarrowComputedData, TransactionItemRowProps} from './types';

type TransactionItemRowNarrowProps = Omit<TransactionItemRowProps, 'shouldUseNarrowLayout' | 'policyForMovingExpenses'> & TransactionItemRowNarrowComputedData;
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❌ CONSISTENCY-4 (docs)

TransactionItemRowNarrowProps is defined as Omit<TransactionItemRowProps, 'shouldUseNarrowLayout' | 'policyForMovingExpenses'> & TransactionItemRowNarrowComputedData, which pulls in many wide-layout-only props that the narrow component never destructures or uses: dateColumnSize, submittedColumnSize, approvedColumnSize, postedColumnSize, exportedColumnSize, amountColumnSize, taxAmountColumnSize, isReportItemChild, isActionColumnWide, isHover, isLargeScreenWidth, onButtonPress, isActionLoading, shouldHighlightItemWhenSelected, columns, reportActions, nonPersonalAndWorkspaceCards, and policy.

Define a narrow-specific props type using Pick that only includes props the component actually uses:

type TransactionItemRowNarrowProps = Pick<TransactionItemRowProps,
  'transactionItem' | 'report' | 'isSelected' | 'shouldShowTooltip' |
  'onCheckboxPress' | 'shouldShowCheckbox' | 'style' |
  'isInSingleTransactionReport' | 'shouldShowRadioButton' |
  'onRadioButtonPress' | 'shouldShowErrors' | 'isDisabled' |
  'violations' | 'shouldShowBottomBorder' | 'onArrowRightPress' |
  'shouldShowArrowRightOnNarrowLayout' | 'checkboxSentryLabel'
> & TransactionItemRowNarrowComputedData;

This also means the parent dispatcher should construct narrow-only props instead of spreading all sharedProps.


Reviewed at: 7d8ee4f | Please rate this suggestion with 👍 or 👎 to help us improve! Reactions are used to monitor reviewer efficiency.

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@OlGierd03, please take a look at the AI review comments and let me know when the PR is ready for the review.

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Sure thing, I'll get around to it soon

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