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vitest — Fast, modern testing framework built for Vite, offering seamless integration, TypeScript support, an

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the vitest command: Fast, modern testing framework built for Vite, offering seamless integration, TypeScript support, and a Jest-compatible API for unit, integration, and snapshot testing. More information: <https://vitest.dev/guide/cli.html>.

Solution

vitest — Fast, modern testing framework built for Vite, offering seamless integration, TypeScript support, and a Jest-compatible API for unit, integration, and snapshot testing. More information: <https://vitest.dev/guide/cli.html>.

Run all available tests:

vitest run

Run the test suites from the given files:

vitest run {{path/to/file1 path/to/file2 ...}}

Run the test suites from files within the current and subdirectories, whose paths match the given regex:

vitest run {{regex1 regex2 ...}}

Run the tests whose names match the given regex:

vitest run {{[-t|--testNamePattern]}} {{regex}}

Watch files for changes and automatically re-run related tests:

vitest

Run tests with coverage:

vitest run --coverage

Run all tests but stops immediately after the first test failure:

vitest run --bail=1

Display help:

vitest --help

Code Snippets

Run all available tests

vitest run

Run the test suites from the given files

vitest run {{path/to/file1 path/to/file2 ...}}

Run the test suites from files within the current and subdirectories, whose paths match the given `regex`

vitest run {{regex1 regex2 ...}}

Run the tests whose names match the given `regex`

vitest run {{[-t|--testNamePattern]}} {{regex}}

Watch files for changes and automatically re-run related tests

vitest

Context

tldr-pages: common/vitest

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