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fix: ignore touch taps with out-of-order timestamps - #1413

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MrPunyapal:fix/reject-backward-double-tap-timestamps
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MrPunyapal wants to merge 1 commit into
dev-null-sh:productionfrom
MrPunyapal:fix/reject-backward-double-tap-timestamps

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@MrPunyapal

@MrPunyapal MrPunyapal commented Nov 3, 2026 •

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Problem

Touch events can arrive with timestamps older than the previous tap, which can incorrectly satisfy the double-tap interval check.

Change

Ignores out-of-order tap timestamps while preserving the existing time and distance thresholds for valid double taps.

Tests

The full JavaScript unit suite passed (223 tests). Type checks and lint passed.

Summary by CodeRabbit

  • Bug Fixes
    • Taps that occur before the previous tap are no longer recognized as double taps.

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coderabbitai Bot commented Nov 3, 2026 •

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Review in Change Stack →

No actionable comments were generated in the recent review.

Walkthrough

isDoubleTap now rejects a current tap timestamp that precedes the previous tap timestamp. A unit test checks that this case returns false.

Changes: Tap timestamp order

Layer / File(s) Summary
Validate tap timestamp order
resources/js/lib/reactions.ts, tests/Unit/Reactions.test.ts
isDoubleTap requires the current tap timestamp to be greater than or equal to the previous tap timestamp. The test checks that a second tap at time 900 is rejected when the first tap was at time 1,000.

Estimated code review effort: 1 (Trivial) | ~4 minutes

Change: Bug fix

Suggested reviewers: xheaven

Merge Risk: Minimal · up to fefab

The change is narrowly scoped and tested; no actionable merge-blocking risk remains.

Pre-merge checks: Passed 5
Check name Status Explanation
Description Check Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check Passed The title clearly and concisely describes the main change: ignoring touch taps with out-of-order timestamps.
Docstring Coverage Passed Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage

Explanation

Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 1 functions across 2 files.

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Commits

Reviewing files that changed from the base of the PR and between c934501 and fefab4f.

Files selected for processing: 2
  • resources/js/lib/reactions.ts
  • tests/Unit/Reactions.test.ts

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@MrPunyapal
MrPunyapal force-pushed the fix/reject-backward-double-tap-timestamps branch from 8ad1a21 to fefab4f Compare November 3, 2026 05:56
@MrPunyapal
MrPunyapal marked this pull request as ready for review November 3, 2026 06:01
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