File & Inline Snapshots in Vitest
From the Vitest cheat sheet · Snapshots · verified Nov 2026
File & Inline Snapshots
toMatchSnapshot, toMatchInlineSnapshot, property matchers, and error snapshots
typescript
expect(renderCard(user)).toMatchSnapshot()
expect(slugify('Hello World')).toMatchInlineSnapshot(`"hello-world"`)
expect(() => validate('')).toThrowErrorMatchingInlineSnapshot(
`[Error: Email is required]`,
)📌 Commit .snap files and review snapshot diffs like code
💡 Inline snapshots keep the expected value next to the assertion
🎯 Use property matchers for ids, dates and other random values
⚠️ Keep snapshots small; huge ones get rubber-stamped on update
snapshotinline-snapshottoMatchSnapshot
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