フォーマッター＆コード
スナップショットテストプレビューアー
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>
編集者注
Understanding · Capture the output, diff on every run.
この詳細な解説章は現在、英語版のみで提供されています。上の変換ツールはあなたの言語で動作しますが、長文の解説記事はまだ翻訳されていません。
よくある質問
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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