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Formatter & Kode

Pempratinjau Snapshot Test

Side-by-side diff for any two snapshot strings.

Runs in your browser
Diff+3-2
- <div class="card">
-   <h2>Old title</h2>
+ <div class="card highlighted">
+   <h2>New title</h2>
    <p>First paragraph.</p>
+   <p>Plus a fresh line.</p>
  </div>

Catatan editor

Understanding · Capture the output, diff on every run.

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Pertanyaan yang sering diajukan

Quick answers.

›What format should the snapshots be in?

The tool accepts plain text, JSON, or serialised markup commonly produced by testing frameworks like Jest or Vitest.

›Is my test data safe?

Yes. The diffing logic runs locally in your browser memory and no snapshot content is uploaded to any server.

›How does the side-by-side diff work?

The tool calculates line-level changes and highlights additions in green and removals in red across two distinct panels.

›Can I use this for non-test files?

Whilst designed for snapshot testing output, the tool functions as a general-purpose text diffing utility for any two strings.

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