Developer tools · llms.txt file breakdown
Vitest organizes Vitest documentation around Table of Contents.
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# Vitest
> Next generation testing framework powered by Vite
## Table of Contents
### Config Reference
- [Configuring Vitest](/config.md)
- [include | Config](/config/include.md)
- [exclude | Config](/config/exclude.md)
- [includeSource | Config](/config/include-source.md)
- [name | Config](/config/name.md)
- [server | Config](/config/server.md)
- [deps | Config](/config/deps.md)
- [runner | Config](/config/runner.md)
- [benchmark | Config](/config/benchmark.md)
- [alias | Config](/config/alias.md)
- [globals | Config](/config/globals.md)
- [injectCjsGlobals | Config](/config/injectcjsglobals.md)
- [environment | Config](/config/environment.md)
- [environmentOptions | Config](/config/environmentoptions.md)
- [watch | Config](/config/watch.md)
- [watchTriggerPatterns | Config](/config/watchtriggerpatterns.md)
- [root | Config](/config/root.md)
- [dir | Config](/config/dir.md)
- [reporters | Config](/config/reporters.md)
- [outputFile | Config](/config/outputfile.md)
- [pool | Config](/config/pool.md)
- [execArgv | Config](/config/execargv.md)
- [vmMemoryLimit | Config](/config/vmmemorylimit.md)
- [fileParallelism | Config](/config/fileparallelism.md)
- [maxWorkers | Config](/config/maxworkers.md)
- [testTimeout | Config](/config/testtimeout.md)
- [hookTimeout | Config](/config/hooktimeout.md)
- [teardownTimeout | Config](/config/teardowntimeout.md)
- [silent | Config](/config/silent.md)
- [setupFiles | Config](/config/setupfiles.md)
- [provide | Config](/config/provide.md)
- [globalSetup | Config](/config/globalsetup.md)
- [forceRerunTriggers | Config](/config/forcereruntriggers.md)
- [coverage | Config](/config/coverage.md)
- [testNamePattern | Config](/config/testnamepattern.md)
- [ui | Config](/config/ui.md)
- [open | Config](/config/open.md)
- [api | Config](/config/api.md)
- [clearMocks | Config](/config/clearmocks.md)
- [mockReset | Config](/config/mockreset.md)
- [restoreMocks | Config](/config/restoremocks.md)
- [unstubEnvs | Config](/config/unstubenvs.md)
- [unstubGlobals | Config](/config/unstubglobals.md)
- [snapshotFormat | Config](/config/snapshotformat.md)
- [snapshotSerializers | Config](/config/snapshotserializers.md)
- [resolveSnapshotPath | Config](/config/resolvesnapshotpath.md)
- [allowOnly | Config](/config/allowonly.md)
- [passWithNoTests | Config](/config/passwithnotests.md)
- [logHeapUsage | Config](/config/logheapusage.md)
- [css | Config](/config/css.md)
- [maxConcurrency | Config](/config/maxconcurrency.md)
- [cache | Config](/config/cache.md)
- [fsModuleCache | Config](/config/fsmodulecache.md)
- [fsModuleCachePath | Config](/config/fsmodulecachepath.md)
- [sequence | Config](/config/sequence.md)
- [tags | Config](/config/tags.md)
- [strictTags | Config](/config/stricttags.md)
- [typecheck | Config](/config/typecheck.md)
- [slowTestThreshold | Config](/config/slowtestthreshold.md)
- [chaiConfig | Config](/config/chaiconfig.md)
- [bail | Config](/config/bail.md)
- [retry | Config](/config/retry.md)
- [repeats | Config](/config/repeats.md)
- [onConsoleLog | Config](/config/onconsolelog.md)
- [onStackTrace | Config](/config/onstacktrace.md)
- [onUnhandledError | Config](/config/onunhandlederror.md)
- [dangerouslyIgnoreUnhandledErrors | Config](/config/dangerouslyignoreunhandlederrors.md)
- [diff | Config](/config/diff.md)
- [fakeTimers | Config](/config/faketimers.md)
- [projects | Config](/config/projects.md)
- [sharedViteServer | Config](/config/sharedviteserver.md)
- [isolate | Config](/config/isolate.md)
- [includeTaskLocation | Config](/config/includetasklocation.md)
- [snapshotEnvironment | Config](/config/snapshotenvironment.md)
- [env | Config](/config/env.md)
- [expect | Config](/config/expect.md)
- [printConsoleTrace | Config](/config/printconsoletrace.md)
- [attachmentsDir | Config](/config/attachmentsdir.md)
- [hideSkippedTests | Config](/config/hideskippedtests.md)
- [mode | Config](/config/mode.md)
- [expandSnapshotDiff | Config](/config/expandsnapshotdiff.md)
- [disableConsoleIntercept | Config](/config/disableconsoleintercept.md)
- [changed | Config](/config/changed.md)
- [experimental | Config](/config/experimental.md)
### Browser Mode
- [browser.enabled | Config](/config/browser/enabled.md)
- [browser.instances | Config](/config/browser/instances.md)
- [browser.headless | Config](/config/browser/headless.md)
- [browser.testerHtmlPath | Config](/config/browser/testerhtmlpath.md)
- [browser.provider | Config](/config/browser/provider.md)
- [browser.ui | Config](/config/browser/ui.md)
- [browser.detailsPanelPosition | Config](/config/browser/detailspanelposition.md)
- [browser.viewport | Config](/config/browser/viewport.md)
- [browser.locators | Config](/config/browser/locators.md)
- [browser.screenshotDirectory | Config](/config/browser/screenshotdirectory.md)
- [browser.screenshotFailures | Config](/config/browser/screenshotfailures.md)
- [browser.dependencySourcemaps | Config](/config/browser/dependencysourcemaps.md)
- [browser.orchestratorScripts | Config](/config/browser/orchestratorscripts.md)
- [browser.commands | Config](/config/browser/commands.md)
- [browser.connectTimeout | Config](/config/browser/connecttimeout.md)
- [browser.trace | Config](/config/browser/trace.md)
- [browser.trackUnhandledErrors | Config](/config/browser/trackunhandlederrors.md)
- [browser.expect | Config](/config/browser/expect.md)
#### Providers
- [Configuring Playwright](/config/browser/playwright.md)
- [Configuring WebdriverIO](/config/browser/webdriverio.md)
- [Configuring Preview](/config/browser/preview.md)
### Introduction
- [Why Vitest | Guide](/guide/why.md)
- [Getting Started | Guide](/guide.md)
- [Features | Guide](/guide/features.md)
### Learn
- [Writing Tests | Guide](/guide/learn/writing-tests.md)
- [Using Matchers | Guide](/guide/learn/matchers.md)
- [Testing Asynchronous Code | Guide](/guide/learn/async.md)
- [Setup and Teardown | Guide](/guide/learn/setup-teardown.md)
- [Mock Functions | Guide](/guide/learn/mock-functions.md)
- [Snapshot Testing | Guide](/guide/learn/snapshots.md)
- [Testing in Practice | Guide](/guide/learn/testing-in-practice.md)
- [Debugging Failing Tests | Guide](/guide/learn/debugging-tests.md)
- [Writing Tests with AI | Guide](/guide/learn/writing-tests-with-ai.md)
### Browser Mode
- [Why Browser Mode | Browser Mode](/guide/browser/why.md)
- [Browser Mode | Guide](/guide/browser.md)
- [Multiple Setups](/guide/browser/multiple-setups.md)
- [Component Testing | Guide](/guide/browser/component-testing.md)
- [Visual Regression Testing](/guide/browser/visual-regression-testing.md)
- [Trace View 5.0.0](/guide/browser/trace-view.md)
- [Playwright Traces](/guide/browser/playwright-traces.md)
- [ARIA Snapshots | Guide](/guide/browser/aria-snapshots.md)
### Authoring
- [Test Context | Guide](/guide/test-context.md)
- [Test Run Lifecycle | Guide](/guide/lifecycle.md)
- [Snapshot | Guide](/guide/snapshot.md)
- [Mocking | Guide](/guide/mocking.md)
- [Test Tags | Guide](/guide/test-tags.md)
- [Test Annotations | Guide](/guide/test-annotations.md)
- [Extending Matchers | Guide](/guide/extending-matchers.md)
- [Testing Types | Guide](/guide/testing-types.md)
- [Benchmarking | Guide](/guide/benchmarking.md)
- [In-Source Testing | Guide](/guide/in-source.md)
#### Mocking
- [Mocking Dates](/guide/mocking/dates.md)
- [Mocking Functions](/guide/mocking/functions.md)
- [Mocking Globals](/guide/mocking/globals.md)
- [Mocking Modules](/guide/mocking/modules.md)
- [Mocking the File System](/guide/mocking/file-system.md)
- [Mocking Requests](/guide/mocking/requests.md)
- [Timers](/guide/mocking/timers.md)
- [Mocking Classes](/guide/mocking/classes.md)
### Workflow
- [Command Line Interface | Guide](/guide/cli.md)
- [Test Filtering | Guide](/guide/filtering.md)
- [Test Projects | Guide](/guide/projects.md)
- [Test Environment | Guide](/guide/environment.md)
- [Parallelism | Guide](/guide/parallelism.md)
- [Reporters | Guide](/guide/reporters.md)
- [Vitest UI | Guide](/guide/ui.md)
- [IDE Integrations | Guide](/guide/ide.md)
### Quality & Debugging
- [Coverage | Guide](/guide/coverage.md)
- [Debugging | Guide](/guide/debugging.md)
- [Common Errors | Guide](/guide/common-errors.md)
- [Open Telemetry Support {#open-telemetry-support}](/guide/open-telemetry.md)
#### Performance
- [Profiling Test Performance](/guide/profiling-test-performance.md)
- [Improving Performance](/guide/improving-performance.md)
### Recipes
- [Database Transaction per Test | Recipes](/guide/recipes/db-transaction.md)
- [Cancellable Test Resources | Recipes](/guide/recipes/cancellable.md)
- [Waiting for Async Conditions | Recipes](/guide/recipes/wait-for.md)
- [Type Narrowing in Tests | Recipes](/guide/recipes/type-narrowing.md)
- [Custom Assertion Helpers | Recipes](/guide/recipes/custom-assertions.md)
- [Watching Non-Imported Files | Recipes](/guide/recipes/watch-templates.md)
- [Extending Browser Locators | Recipes](/guide/recipes/browser-locators.md)
- [Schema-Driven Assertions | Recipes](/guide/recipes/schema-matching.md)
- [Auto-Cleanup with `using` | Recipes](/guide/recipes/explicit-resources.md)
- [Conditional Mocking with vi.when | Recipes](/guide/recipes/conditional-mocking.md)
- [Per-File Isolation Settings | Recipes](/guide/recipes/disable-isolation.md)
- [Parallel and Sequential Test Files | Recipes](/guide/recipes/parallel-sequential.md)
### Advanced
- [Advanced API](/guide/advanced.md)
- [Running Tests advanced {#running-tests}](/guide/advanced/tests.md)
- [Extending Reporters advanced {#extending-reporters}](/guide/advanced/reporters.md)
- [Custom Pool advanced {#custom-pool}](/guide/advanced/pool.md)
- [Custom Benchmark Provider 5.0.0 advanced {#custom-benchmark-provider}](/guide/advanced/benchmark-provider.md)
### Migration
- [Migration Guide | Guide](/guide/migration.md)
- [Migrating from Jest | Guide](/guide/migration/jest.md)
- [Migrating from Mocha + Chai + Sinon | Guide](/guide/migration/mocha.md)
- [Comparisons with Other Test Runners | Guide](/guide/comparisons.md)
### Test API Reference
- [Test](/api/test.md)
- [describe](/api/describe.md)
- [Hooks](/api/hooks.md)
### Browser Mode
- [Context API | Browser Mode](/api/browser/context.md)
- [Interactivity API | Browser Mode](/api/browser/interactivity.md)
- [Locators | Browser Mode](/api/browser/locators.md)
- [Assertion API | Browser Mode](/api/browser/assertions.md)
- [Commands | Browser Mode](/api/browser/commands.md)
#### Render Function
- [vitest-browser-react](/api/browser/react.md)
- [vitest-browser-vue](/api/browser/vue.md)
- [vitest-browser-svelte](/api/browser/svelte.md)
### Advanced
- [Vitest API](/api/advanced/vitest.md)
- [TestProject](/api/advanced/test-project.md)
- [TestSpecification](/api/advanced/test-specification.md)
- [TestCase](/api/advanced/test-case.md)
- [TestSuite](/api/advanced/test-suite.md)
- [TestModule](/api/advanced/test-module.md)
- [TestCollection](/api/advanced/test-collection.md)
- [Plugin API](/api/advanced/plugin.md)
- [Runner API advanced](/api/advanced/runner.md)
- [Reporters](/api/advanced/reporters.md)
- [Task Metadata advanced](/api/advanced/metadata.md)
- [Test Artifacts](/api/advanced/artifacts.md)
### Other
- [assert](/api/assert.md)
- [assertType](/api/assert-type.md)
- [browser.traceView | Config](/config/browser/traceview.md)
- [detectAsyncLeaks | Config](/config/detectasyncleaks.md)
- [expect](/api/expect.md)
- [expectTypeOf](/api/expect-typeof.md)
- [Mocks](/api/mock.md)
- [Releases](/releases.md)
- [Remove UnoCSS - Migration Complete](/todo.md)
- [taskTitleValueFormatTruncate | Config](/config/tasktitlevalueformattruncate.md)
- [Untitled](/api/advanced/import-example.md)
- [update | Config](/config/update.md)
- [Using Plugins | Guide](/guide/using-plugins.md)
- [Vi](/api/vi.md)
Measured from the saved file
Size measures the captured UTF-8 text, not compressed transfer size. Tokens are counted with a named tokenizer; other models can count differently. Neither measure establishes context compatibility or answer quality.
Next generation testing framework powered by Vite
Context architecture
1 H2 sections organize 215 parsed Markdown links. 215 links point to .md or .markdown paths; 0 link occurrences use another hostname. Linked destinations have not been recursively validated.
| H2 section | Links | UTF-8 bytes | Tokens |
|---|---|---|---|
| Table of ContentsLine 5 | 215 | 11689 | 3211 |
Link counts exclude parsed fenced and inline code and resolve relative destinations against the final endpoint. Section sizes cover the text below each H2 until the next H2.
Embedded material
Embedded example text and links to further documentation are counted separately. A code block does not establish that a sample runs or that an authentication flow succeeds.
Publisher prioritization
No H2 section named “Optional” was detected in this file.
The community proposal uses Optional by convention for secondary links that can be skipped for a shorter context. This label does not establish that everything outside it is critical, or that the material inside it is deprecated.
Machine-readable routes
No MCP or Model Context Protocol term was detected in the captured file. 0 links have MCP-related labels or paths. 0 fenced lines match mcpServers, mcp_servers or an mcp add command.
These are text and link observations. No MCP server connection, authentication or tool call was tested.
Index and bundle
Verified text companion
A verified text response establishes a companion at the checked URL. It does not prove the bundle contains all product documentation, that generation is automated, or that it fits an assistant’s context window.
Change evidence
This capture establishes a baseline. Update frequency cannot be determined from one observation.
5 links have release, changelog, deprecation or migration terms in their labels or paths. These provide places to investigate product changes separately.
File changes can reveal documentation edits or navigation changes. They do not by themselves measure product release velocity, accuracy, agent adoption or AI visibility.
9bb78eb783f2cdcb60287673d08d81bb6c0dd4566419be5f6532f237f36f5681Counts use a deterministic parser, not a spec-compliance grade. Unusual Markdown and indented code can fall outside its recognized patterns. See the llms.txt proposal and tokenizer implementation.