Vitest 1.0 is here! This release page lists all changes made to the project during the beta. For the migration guide, please refer to the documentation.

   🚨 Breaking Changes

• Add support for pool and poolOptions, remove old flags  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4172 (114a9)
• Support multiple parallel child_process  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/3925 (8b4a4)
• Make snapshots more visually pleasing by @sheremet-va in https://github.com/vitest-dev/vitest/pull/3961
• Set vitest peer dependency range for sub packages  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4299 (cd03c)
• Bump minimum node version to 18 and match Vite 5 requirement  -  by @ghiscoding in https://github.com/vitest-dev/vitest/issues/4296 (263b7)
• Remove deprecated node loader  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4371 (29299)
• Move browser providers to @vitest/browser package  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4364 (5cdeb)
• Remove EnhancedSpy type, deprecate SpyInstance, improve mocks and vi documentation  -  by @sheremet-va and @dammy001 in https://github.com/vitest-dev/vitest/issues/4400 (d40b3)
• runner: Correctly process custom tasks, update runner hooks naming by @sheremet-va in https://github.com/vitest-dev/vitest/pull/4076
• coverage:
  • glob based coverage thresholds by @AriPerkkio in https://github.com/vitest-dev/vitest/pull/4442 (18300)
  • Use transformMode and workspace project based source maps  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4309 (28109cc)
  • Enable coverage.all by default  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4265 (5a741)

   🚀 Features

• Add Marko example and include code coverage for Marko files  -  by @DylanPiercey in https://github.com/vitest-dev/vitest/issues/4263 (eac77)
• Update magic-string  -  by @bluwy in https://github.com/vitest-dev/vitest/issues/4345 (fde18)
• Implement provide/inject API to transfer data from the main thread  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4422 (a7522)
• Improve expectTypeOf error messages  -  by @mmkal, Misha Kaletsky and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4206 (18300)
• Add test.sequential() api  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4512 (c3619)
• Allow custom pools  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4417 (a3fd5)
• Add --project option to limit what projects are running  -  by @sheremet-va, @dammy001 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4561 (58ef5)
• benchmark:
  • Move importTinybench to runner  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4376 (c36d2)
• browser:
  • Support "none" provider and update lit example to use it  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4427 (d03a2)
• coverage:
  • Support /* v8 ignore... ignore hints  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4573 (f9e4a)
• expect:
  • Support expect.closeTo api  -  by @Dunqing and golebiowskib in https://github.com/vitest-dev/vitest/issues/4260 (7f91c)
  • ToContain can handle classList and Node.contains  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4239 (ce84f)
  • Compare URL objects by href  -  by @kleinfreund and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4615 (f7a73)
• snapshot:
  • Add option to configure snapshot directory  -  by @d3lm in https://github.com/vitest-dev/vitest/issues/4651 (20b2a)
• vite-node:
  • Support import.meta.hot.off for vite 5  -  by @bluwy in https://github.com/vitest-dev/vitest/issues/4315 (01b1c)
• vitest:
  • Expose getBenchFn, getBenchOptions  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4208 (8e5e4)
  • Run typecheck during tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4324 (a1aad)
  • Filter stacktraces  -  by @clarkf in https://github.com/vitest-dev/vitest/issues/1999 and https://github.com/vitest-dev/vitest/issues/4338 (6b734)
  • Expose execArgv to the different pools  -  by @adriencaccia in https://github.com/vitest-dev/vitest/issues/4383 (9021e)

   🐞 Bug Fixes

• Add multiple globals in VM+JSDOM  -  by @nstepien in https://github.com/vitest-dev/vitest/issues/4199 and https://github.com/vitest-dev/vitest/issues/4202 (fc947)
• Ignore "plugins" field in snapshotFormat option  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4204 (db1ff)
• nextTick mocking error message to mention correct config option  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4215 (98fe3)
• Export VitestUtils interface  -  by @fbritoferreira in https://github.com/vitest-dev/vitest/issues/4301 (b1439)
• Assertion diff message handle non-writable sub-properties  -  by @bfamchon in https://github.com/vitest-dev/vitest/issues/4278 (7e1a0)
• Don't bundle import from rollup  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4392 (3b584)
• Support accessing fixture at same index of dependency fixture  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4387 (4cd1d)
• Make asynchronous fixtures work concurrently  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4403 (3c9f9)
• Coverage.100 crash when using as an cli argument  -  by @marcelobotega in https://github.com/vitest-dev/vitest/issues/4346 (0db38)
• Support typechecking with Yarn PnP  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4412 (1ecbe)
• Support accessing task from test context without accessing fixtures  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4419 (3397f)
• Copy custom asymmetric matchers to local expect  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4405 (9fe38)
• Apply serializer to Error instance for thrown snapshot  -  by @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4396 (ac309)
• Throw an error when running "vitest typecheck"  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4439 (7f502)
• Don't expand snapshot diff by default  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4430 (8983c)
• Handle errors thrown in fixtures  -  by @dsyddall (f6844)
• Default --open to !process.env.CI  -  by @collinstevens in https://github.com/vitest-dev/vitest/issues/4477 (088a0)
• Disable ESBuild when user config disables it  -  by @Namchee in https://github.com/vitest-dev/vitest/issues/4492 (9abde)
• Inherit concurrent/sequential in nested suites  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4482 (ca168)
• Provide customTesters to asymmetric matchers  -  by @sheremet-va (ac665)
• Apply retry and bail from test config file  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4530 (94f9a)
• Respect trailing slash when filtering by file path  -  by @ibuibu in https://github.com/vitest-dev/vitest/issues/4538 (f377a)
• Date prototype when using setSystemTime  -  by @spiroka in https://github.com/vitest-dev/vitest/issues/4584 (3f8c3)
• BrowserTestRunner called incorrect super methods  -  by @samthor in https://github.com/vitest-dev/vitest/issues/4632 (8385c)
• Set process name for idle workers  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4641 (eca25)
• bench:
  • Extract ChainableBenchmarkAPI type  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4537 (79e9b)
• browser:
  • Improve error handling and don't rely on Node.js builtin modules in browser mode  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4244 (e7e8c)
  • Disable hijacking ES modules until vi.mock is implemented  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4414 (ab556)
  • Add vitest/ imports to entries  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4514 (648bc)
  • Wait until vite finishes prebundling of vitest dependencies  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4518 (56ee7)
  • Allow for pretty-format as a sibling dependency  -  by @nicojs in https://github.com/vitest-dev/vitest/issues/4590 (ed50a)
  • Don't go into an infinite reload loop, don't fail if "error" event is caught  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4618 (ec3d6)
  • Respect "server" option in vite config  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4627 (723f6)
• cli:
  • Do not capture stdin when in run mode  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4310 (fc51a)
• config:
  • Type issue of pool and poolMatchGlobs in defineConfig  -  by @InfiniteXyy in https://github.com/vitest-dev/vitest/issues/4282 (9112c)
• coverage:
  • thresholdAutoUpdate to detect zero limits  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4287 (a29fe)
  • Exclude files and directories starting with dot by default  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4428 (b3327)
  • Improve memory usage by writing temporary files on file system  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4603 (4166c)
• deps:
  • Update dependency v8-to-istanbul to ^9.2.0  -  by @renovate[bot] in https://github.com/vitest-dev/vitest/issues/4583 (a70f2)
  • Update dependency std-env to ^3.5.0  -  by @renovate[bot] in https://github.com/vitest-dev/vitest/issues/4582 (1fdd6)
• example:
  • Resolve type error  -  by @jqkk in https://github.com/vitest-dev/vitest/issues/4515 (2d1b4)
• expect:
  • Publish types file  -  by @sheremet-va (5996c)
  • Object.freeze breaks toEqual  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4303 (a4501)
  • Publish semantically correct chai types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4322 (80a70)
  • Print full error if promise is rejected  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4467 (cadb9)
  • Don't fail when using jest expect  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4517 (60d6d)
• happy-dom:
  • Don't crash when calling useFakeTimers with empty config  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4214 (2e1a1)
• jsdom:
  • Don't go into an infinite recusion when calling atob  -  by @sheremet-va (da794)
• runner:
  • Fixture needs to be initialized for each test  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4250 (76a93)
  • Nested tests should throw errors  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4262 (8ac9f)
  • Removes deprecated error option from TaskResult  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4313 (4cee6)
  • Preserve fixtures when calling runif and skipif  -  by @dsyddall in https://github.com/vitest-dev/vitest/issues/4585 and https://github.com/vitest-dev/vitest/issues/4591 (515ea)
  • PassWithNoTests option not work  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4553 (8d183)
• vite-node:
  • Have a separate cache for web/ssr transforms  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4221 (ca5db)
  • Mjs files watch not work  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/3982 (77ea9)
• vitest:
  • Make @types/node optional  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4210 (a5383)
  • Inline chai types instead of using @types/chai  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4209 (5f477)
  • Don't initialize globalSetup if workspace doesn't run tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4213 (06461)
  • Deduplicate vitest when running globally or in a workspace  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4238 (93504)
  • Print file path instead of "unknown test" when logging  -  by @Dunqing in https://github.com/vitest-dev/vitest/issues/4146 (ec2e8)
  • Failed to load custom environment from js/ts file  -  by @Dunqing and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4255 (da8d0)
  • Support assets in new URL in Vite 5  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4258 (d280f)
  • Correctly hoist vi.hoisted if assigned  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4285 (ff93a)
  • Run globalSetup from the root config even if it's not in a workspace  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4325 (4293e)
  • Pass correct mode in vitest config function  -  by @adriencaccia in https://github.com/vitest-dev/vitest/issues/4399 (b8ca3)
  • Throw an error if vitest is imported using require()  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4466 (e5cf1)
  • Use correct type for defineProject to allow usage in mergeConfig  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4498 (7dee8)
  • Throw an error if Vite wasn't able to resolve aliased path  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4503 (50333)
  • Improve vi.waitUntil type to excude falsy types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4572 (23652)
  • Add import-meta.d.ts  -  by @macdaddyaz in https://github.com/vitest-dev/vitest/issues/4571 (dd802)
  • Correctly support CSS variable when using happy-dom  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4601 (9fbf3)
  • Pass correct server options in workspace  -  by @hironytic in https://github.com/vitest-dev/vitest/issues/4539 and https://github.com/vitest-dev/vitest/issues/4540 (241a8)
  • Independently mock each instance's methods for mocked class  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4564 (05b05)
• vm:
  • Remove sequencer usage from createVmThreadsPool function  -  by @mhogeveen in https://github.com/vitest-dev/vitest/issues/4638 (54d52)

   🏎 Performance

• Update log-update v9  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4390 (ba1df)
• Close pool early in run-mode  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4623 (e0e20)
• coverage-istanbul: all: true instruments already instrumented files  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4552 (d1e1b)

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