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Formatadores e Código

Pré-visualizador de Testes Snapshot

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>

Nota do editor

Understanding · Capture the output, diff on every run.

Este capítulo aprofundado está disponível apenas em inglês no momento. A ferramenta de conversão acima funciona no seu idioma; o artigo explicativo longo ainda não foi traduzido.

Perguntas frequentes

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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