v20.0.10

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v20.0.9

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v20.0.8

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👷‍♂️ Patch fixes

• Fixes issue where previousSibling() and nextSibling() didn't work in HTMLSelectElement and HTMLFormElement - By @​capricorn86 in task #​1939
• Fixes issue where parsing an item without a permitted parent (e.g. <tr>) should be valid inside a <template> element - By @​capricorn86 in task #​1939

v20.0.7

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👷‍♂️ Patch fixes

• Fix incorrect handling of >= operator in media query parser - By @​lkritsimas in task #​1869

v20.0.6

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👷‍♂️ Patch fixes

• Changes implementation for DOMTokenList.forEach(), Headers.forEach() and NodeList.forEach() to be spec compliant - By @​ikeyan in task #​1858

v20.0.5

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👷‍♂️ Patch fixes

• The setter TreeWalker.currentNode should validate if the value is a Node - By @​capricorn86 in task #​1935

v20.0.4

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👷‍♂️ Patch fixes

• Only adds buttons to FormData if they are the submitter - By @​maxmil and @​
  karpiuMG in task #​1859

v20.0.3

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👷‍♂️ Patch fixes

• Moves URL resolution to after checking if module preloading is enabled to prevent URL errors to be thrown when unresolvable - By @​iam-medvedev in task #​1851
• Fixes issue where CSS variables aren't parsed correctly when inside CSS functions - By @​fimion in task #​1837

v20.0.2

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👷‍♂️ Patch fixes

• Adds frozen intrinsics flag to workers in @happy-dom/server-renderer - By @​capricorn86 in task #​1934

v20.0.1

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👷‍♂️ Patch fixes

• Adds warning for environment with unfrozen intrinsics (builtins) when JavaScript evaluation is enabled- By @​capricorn86 in task #​1932
  • A security advisory has been reported showing that the recommended preventive measure of running Node.js with --disallow-code-generation-from-strings wasn't enough to protect against attackers escaping the VM context and accessing process-level functions. Big thanks to @​cristianstaicu for reporting this!
  • The documentation for how to run Happy DOM with JavaScript evaluation enabled in a safer way has been updated. Read more about it in the Wiki

v20.0.0

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I avoid making breaking changes as much as possible in Happy DOM. When I have to make a breaking change, I try to keep it as minimal as possible. This could be a breaking change that impacts many projects, and I am truly sorry if you are negatively affected by this.

💣 Breaking Changes

• Due to security risks, JavaScript evaluation is now disabled by default - By @​capricorn86 in task #​1930
  • A security advisory (GHSA-37j7-fg3j-429f) has been reported that shows a security vulnerability where it's possible to escape the VM context and get access to process level functionality. Big thanks to @​Mas0nShi for reporting this!
  • Due to this security risk, JavaScript evaluation is now disabled by default to prevent that consumers accidentally executes untrusted code without taking precautions
  • JavaScript evaluation can be enabled by setting enableJavaScriptEvaluation to "true". Read more about how to enable this in a safer way in the Wiki

v19.0.2

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👷‍♂️ Patch fixes

• Fixes issue related to CSS pseudo selector :scope that didn't work correctly for direct descendants to root - By @​capricorn86 in task #​1620

v19.0.1

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👷‍♂️ Patch fixes

• Fixes issue with sending in URLs as string in @happy-dom/server-renderer config using CLI - By @​capricorn86 in task #​1908

v19.0.0

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💣 Breaking Changes

• Removes support for CommonJS - By @​capricorn86 in task #​1730
  • Support for CommonJS is no longer needed as Node.js v18 is deprecated and v20 and above supports loading ES modules from CommonJS using require()
• Updates Jest to v30 in the @happy-dom/jest-environment package - By @​capricorn86 in task #​1730
• Makes Jest packages peer dependencies to make it easier to align versions with the project using @happy-dom/jest-environment - By @​capricorn86 in task #​1730

🎨 Features

• Adds a new package called @happy-dom/server-renderer - By @​capricorn86 in task #​1730
  • This package provides a simple way to statically render (SSG) or server-side render (SSR) your client-side application
  • Read more in the Wiki under Server-Renderer
• Adds support for import.meta to the ESM compiler - By @​capricorn86 in task #​1730
• Adds support for the CSS pseudo selector :scope - By @​capricorn86 in task #​1620
• Improves support for MediaList - By @​capricorn86 in task #​1730
• Adds support for CSSKeywordValue, CSSStyleValue, StylePropertyMap, StylePropertyMap, StylePropertyMapReadOnly - By @​capricorn86 in task #​1730
• Improves debug information in the ESM compiler - By @​capricorn86 in task #​1730
• Adds validation of browser settings when creating a new Browser instance - By @​capricorn86 in task #​1730
• Adds support for the browser setting navigation.beforeContentCallback which makes it possible to inject event listeners or logic before content is loaded to the document when navigating a browser frame - By @​capricorn86 in task #​1730
• Adds support for the browser setting fetch.requestHeaders which provides with a declarative and simple way to add request headers - By @​capricorn86 in task #​1730
• Adds support for setting an object to timer.preventTimerLoops which makes it possible to define different settings for setTimeout() and requestAnimationFrame() - By @​capricorn86 in task #​1730
• Adds support for the browser setting viewport which makes it possible to define a default viewport size - By @​capricorn86 in task #​1730
• Adds support for the parameters beforeContentCallback and headers to BrowserFrame.goto(), BrowserFrame.goBack(), BrowserFrame.goForward(), BrowserFrame.goSteps() and BrowserFrame.reload() - By @​capricorn86 in task #​1730
• Adds support for PopStateEvent and trigger the event when navigating the page history using History.pushState() - By @​capricorn86 in task #​1730
• Use local file paths for virtual server files in stack traces - By @​capricorn86 in task #​1730
• Adds support for ResponseCache.fileSystem.load() and ResponseCache.fileSystem.save() for storing and loading cache from the file system - By @​capricorn86 in task #​1730

👷‍♂️ Patch fixes

• Fixes a bug in the ESM compiler that caused it to fail to parse certain code - By @​capricorn86 in task #​1730
• Disables the same origin policy when navigating a browser frame using BrowserFrame.goto() - By @​capricorn86 in task #​1730
• Fixes bug where CSS selectors with the pseudos "+" and ">" failed for selectors without arguments - By @​capricorn86 in task #​1730
• Adds try and catch to listeners for events dispatched from XMLHttpRequest to prevent it from being set to an invalid state if a listener throws an Error - By @​capricorn86 in task #​1730

v4.0.8

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   🐞 Bug Fixes

• Workaround noExternal merging bug on Vite 6  -  by @​hi-ogawa in #​8950 (bcb13)
• Missed context.d.ts file  -  by @​termorey in #​8965 (9044d)
• Incorrect error message for non-awaited expect.element()  -  by @​StyleShit in #​8954 (9638d)
• browser: Cleanup frame-ancestors from CSP header at coverage middleware  -  by @​userquin in #​8941 (1f730)
• deps: Update all non-major dependencies  -  by @​sheremet-va in #​8636 (da8b9)
• forks: Do not fail with Windows Defender enabled  -  by @​sheremet-va in #​8967 (c79f4)
• runner: Properly encode Uint8Array body in annotations  -  by @​Livan-pro in #​8951 (997ca)
• spy: Copy static properties if spy is initialised with vi.fn(), fix types for vi.spyOn(obj, class)  -  by @​sheremet-va in #​8956 (75e7f)
• webdriverio: When no argument is passed to the .click interaction command, the webdriver command should also have no argument  -  by @​julienw in #​8937 (069e6)

    View changes on GitHub

v4.0.7

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   🐞 Bug Fixes

• Bind process in case global is overwritten  -  by @​AriPerkkio in #​8916 (6240d)
• Create environment once per worker with isolate: false  -  by @​sheremet-va in #​8915 (c9078)
• Add Locator as a possible element type in toContainElement() matcher  -  by @​vitalybaev in #​8910 and #​8927 (35a27)
• browser: Inherit isolate option, deprecate browser.isolate/browser.fileParallelism  -  by @​sheremet-va in #​8890 (9d2b4)
• cli: Parse --execArgv as array  -  by @​AriPerkkio in #​8924 (751c3)
• jsdom: Support URL.createObjectURL, FormData.set(prop, blob)  -  by @​sheremet-va in #​8935 (a1b73)
• pool: Avoid --require argument when running in deno  -  by @​pi0 in #​8897 (d41fa)
• typecheck: Handle re-runs outside tsc  -  by @​AriPerkkio in #​8920 (fdb2e)

   🏎 Performance

• pool:
  • Sort test files by project by default  -  by @​AriPerkkio in #​8914 (680a6)
• reporters:
  • Optimize getting the tests stats  -  by @​Connormiha in #​8908 (06d62)
  • Remove unnecessary Array.from call  -  by @​Connormiha in #​8907 (b6014)

    View changes on GitHub

v4.0.6

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   🐞 Bug Fixes

• Don't merge errors with different diffs for reporting  -  by @​hi-ogawa in #​8871 (3e19f)
• Do not throw when importing a type from an external package  -  by @​sheremet-va in #​8875 (7e6c3)
• Improve spying types  -  by @​sheremet-va in #​8878 (ca041)
• Reuse the same environment when isolate and fileParallelism are false  -  by @​sheremet-va in #​8889 (31706)
• browser:
  • Support module tracking  -  by @​sheremet-va in #​8877 (9e24a)
  • Ensure setup files are re-evaluated on each test run  -  by @​yjaaidi in #​8883 and #​8884 (f50ea)
• coverage:
  • Prevent filtering out virtual files before remapping to sources  -  by @​AriPerkkio in #​8860 (e3b77)
• happy-dom:
  • Properly teardown additional keys  -  by @​sheremet-va in #​8888 (10a06)
• jsdom:
  • Pass down Node.js FormData to Request  -  by @​sheremet-va in #​8880 (197ca)

    View changes on GitHub

v4.0.5

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   🐞 Bug Fixes

• Respect ssr.noExternal when externalizing dependencies  -  by @​sheremet-va in #​8862 (a4f86)
• Allow module in --config  -  by @​sheremet-va in #​8864 (b9521)
• browser: Allow Locator type in selectOptions element parameter  -  by @​rzzf and @​sheremet-va in #​8848 (7ee28)
• module-runner: Don't return node builtins for getBuiltins unconditionally  -  by @​sapphi-red in #​8863 (0e858)
• pool: Rename groupId to groupOrder in error message  -  by @​Yohannfra in #​8856 (b9aab)

   🏎 Performance

• Pass testfiles at once when --no-isolate --maxWorkers=1  -  by @​AriPerkkio in #​8835 (584aa)
• expect: Optimize checking the input type  -  by @​Connormiha in #​8840 (06968)

    View changes on GitHub

v4.0.4

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   🐞 Bug Fixes

• browser:
  • Correct typo  -  by @​benmccann in #​8796 (ede1f)
  • Publish a missing context file for webdriverio  -  by @​sheremet-va in #​8824 (7c7b6)
• mocker:
  • Support mocking builtins without node: prefix  -  by @​sheremet-va in #​8829 (06208)
• pool:
  • Runner's error listener causing MaxListenersExceededWarning  -  by @​AriPerkkio in #​8820 (d1bff)
  • Capture workers stdio to logger  -  by @​AriPerkkio in #​8809 (fb95f)
• spy:
  • Allow classes in vi.mocked utility  -  by @​sheremet-va in #​8839 (f8756)
• worker:
  • Rpc listener leak when isolate: false  -  by @​AriPerkkio in #​8821 (573dc)

   🏎 Performance

• utils: Optimized reducer to avoid creating new objects  -  by @​Connormiha in #​8818 (d19ce)

    View changes on GitHub

v4.0.3

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   🐞 Bug Fixes

• Preserve reporter options from config when CLI reporters override them  -  by @​Copilot and sheremet-va in #​8794 (15552)
• browser: More stable in-source testing validation  -  by @​sheremet-va in #​8793 (62297)
• happy-dom: Support fetch globals  -  by @​sheremet-va in #​8791 (0fb74)
• init: Use correct jsx/tsx extension  -  by @​sheremet-va in #​8792 (abc04)

    View changes on GitHub

v4.0.2

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   🐞 Bug Fixes

• browser:
  • Don't print the deprecation notice in node_modules  -  by @​sheremet-va in #​8779 (588f7)
• pool:
  • Assign envs before running tests to keep in sync with process.env  -  by @​sheremet-va in #​8769 (26ce8)
• spy:
  • Properly inherit implementation's length  -  by @​sheremet-va in #​8778 (d4c2b)
  • Reset spies if both restoreMocks and mockReset is set in the config  -  by @​sheremet-va in #​8781 (2eedb)

    View changes on GitHub

v4.0.1

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   🐞 Bug Fixes

• Move the getBuiltins check  -  by @​sheremet-va in #​8765 (81000)
• pool: Don't teardown the communication channel too soon if something is running after the test  -  by @​sheremet-va in #​8767 (3fae7)

    View changes on GitHub

v4.0.0

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   🚨 Breaking Changes

• Remove 'basic' reporter  -  by @​AriPerkkio in #​7884 (82fcf)
• Simplify default exclude pattern  -  by @​sheremet-va in #​6287 (14c50)
• Remove deprecated getSourceMap  -  by @​sheremet-va in #​8194 (ff934)
• Replace deprecated ErrorWithDiff with TestError  -  by @​sheremet-va in #​8195 (da59e)
• Remove UserConfig type in favor of ViteUserConfig  -  by @​sheremet-va in #​8196 (22f7f)
• Remove deprecated coverage options in favor of vitest/node exports  -  by @​sheremet-va in #​8197 (dc848)
• Remove deprecated internal helpers and environment exports  -  by @​sheremet-va in #​8198 (4703c)
• Remove deprecated typecheck and runner types  -  by @​sheremet-va in #​8199 (89a1c)
• Remove Node types from the main entry point, use vitest/node instead  -  by @​sheremet-va in #​8200 (1e60c)
• Remove support for Vite 5  -  by @​sheremet-va in #​8202 (cb8b0)
• Remove deprecated types  -  by @​sheremet-va in #​8203 (66bee)
• Remove deprecated environmentMatchGlobs and poolMatchGlobs  -  by @​sheremet-va in #​8205 (be11d)
• Remove deprecated workspace option in favor of projects  -  by @​sheremet-va in #​8218 (76fb7)
• Ignore --standalone when CLI filename filter is used  -  by @​AriPerkkio in #​8262 (013bf)
• Use module-runner instead of vite-node  -  by @​sheremet-va and @​AriPerkkio in #​8208 (9be01)
• Rewrite spying implementation to make module mocking more intuitive  -  by @​sheremet-va in #​8363 (9e412)
• Remove deprecated APIs  -  by @​sheremet-va in #​8428 (a1cb9)
• Remove minWorkers and set it automatically to 0 in non watch mode  -  by @​sheremet-va in #​8454 (2c2d1)
• Verbose reporter prints tests in a list, introduce tree reporter  -  by @​sheremet-va and @​AriPerkkio in #​8500 (25fd3)
• Include shadow root contents in pretty-format output  -  by @​wkillerud in #​8545 (9e722)
• Remove deprecated order from test() API  -  by @​sheremet-va in #​8594 (4d419)
• Rewrite pools without tinypool  -  by @​AriPerkkio and @​sheremet-va in #​8705 (4822d)
• browser: Require a provider factory instead of a string  -  by @​sheremet-va in #​8445 (606cb)
• expect: Pass current equality testers to asymmetric matcher  -  by @​hi-ogawa in #​6825 (965ce)
• projects: Allow only files that have "vitest.config" or "vite.config" in the name  -  by @​sheremet-va in #​8542 (304bc)
• reporter: Remove deprecated APIs  -  by @​AriPerkkio and @​sheremet-va in #​8223 (149f8)
• runner: Set mode to todo if no function is passed down to test or describe  -  by @​sheremet-va in #​8346 (1a81c)
• snapshot: Fail test with obsolete snapshot on CI  -  by @​hi-ogawa in #​7963 (4d84f)
• spy: Support spying on classes  -  by @​sheremet-va in #​6160 (abc0d)

   🚀 Features

• Provide entity to onConsoleLog  -  by @​sheremet-va in #​8159 (437d4)
• Add onUnhandledError callback  -  by @​sheremet-va in #​8162 (924cb)
• Add spy option to vi.mockObject  -  by @​rChaoz in #​8285 (81d76)
• Don't use vite-node in coverage packages  -  by @​sheremet-va (ffdb4)
• Clickable dashboard numbers  -  by @​shairez in #​7406 (2344c)
• Display test "path" when filtering  -  by @​userquin in #​8547 (2e491)
• Introduce separate packages for browser mode providers  -  by @​sheremet-va in #​8629 (0dc93)
• Add hooks with type-safe extra context to TestAPI  -  by @​ysfaran in #​8623 (6b21c)
• Support expect.assert for type narrowing  -  by @​sheremet-va in #​8695 (fe589)
• Add displayAnnotations option to github-options  -  by @​sheremet-va in #​8706 (4a66d)
• Add schema validation matchers  -  by @​zirkelc in #​8527 (c0b25)
• Add a way to dump transformed content  -  by @​sheremet-va in #​8711 (931c0)
• api:
  • Expose experimental_parseSpecifications  -  by @​sheremet-va in #​8408 (fdeb2)
  • Expose Vitest watcher  -  by @​sheremet-va in #​8413 (aaa6e)
  • Add enableCoverage and disableCoverage methods  -  by @​sheremet-va and @​AriPerkkio in #​8412 (61eb7)
  • Add getGlobalTestNamePattern method  -  by @​sheremet-va in #​8438 (bdb70)
  • Add relativeModuleId to TestModule  -  by @​sheremet-va in #​8505 (3be09)
  • Add getSeed method  -  by @​sheremet-va in #​8592 (438c4)
• browser:
  • Support toBeInViewport utility method to assert element is in viewport or not  -  by @​Shinyaigeek in #​8234 (ceed5)
  • Add qwik to the vitest init cli command  -  by @​thejackshelton in #​8330 (1638b)
  • Introduce toMatchScreenshot for Visual Regression Testing  -  by @​macarie in #​8041 (d45f9)
  • Add trackUnhandledErrors option  -  by @​sheremet-va in #​8386 (c0ec0)
  • Support iframe locator with playwright provider  -  by @​sheremet-va in #​8016 (57b2c)
  • Add length property to locators, toHaveLength now accepts locators  -  by @​sheremet-va in #​8512 (2308c)
  • Support playwright tracing  -  by @​sheremet-va in #​8584 (1aac5)
  • Expose options on BrowserProviderOption  -  by @​sheremet-va in #​8609 (0d0e5)
  • Support --inspect option in webdriverio  -  by @​sheremet-va in #​8613 (38adc)
  • Support custom screenshot comparison algorithms  -  by @​macarie in #​8687 (e63b1)
• coverage:
  • autoUpdate to support percentage formatting  -  by @​Battjmo and @​AriPerkkio in #​8456 (99e01)
• expect:
  • Support toBeNullable expect function to check provided value is nullish  -  by @​Shinyaigeek and @​sheremet-va in #​8294 (eeec5)
• mocker:
  • Add automocker entry  -  by @​sheremet-va in #​8301 (e9c92)

   🐞 Bug Fixes

• Allow overriding globals in types  -  by @​sheremet-va in #​8215 (2248b)
• Remove unused dependencies  -  by @​AriPerkkio in #​8184 (feadc)
• Distribute test files to shards more evenly  -  by @​Shinyaigeek and @​AriPerkkio in #​8288 (7b489)
• Use suite's timeout when test.extend  -  by @​AriPerkkio in #​8278 (43977)
• Support snapshot with no object key sorting  -  by @​hi-ogawa and @​sheremet-va in #​8136 (e85e3)
• Annotation location always points to the test file  -  by @​sheremet-va in #​8315 (88071)
• Add --changed flag support to vitest list command  -  by @​haakonjackfloat in #​8270 and #​8272 (e71a5)
• Prevent rpc timeout on slow thread blocking synchronous methods  -  by @​AriPerkkio and @​sheremet-va in #​8297 (bea87)
• Forbid setting environment to browser  -  by @​sheremet-va in #​8334 (0417a)
• Invalidate modules in all module graphs when the file is changed  -  by @​sheremet-va in #​8352 (94ab3)
• Screenshot masks with Playwright provider  -  by @​macarie in #​8357 (459ef)
• Configure oxc instead of esbuild on rolldown-vite  -  by @​hi-ogawa in #​8378 (e922e)
• Make sure test errors always have stacks property in Node.js context  -  by @​sheremet-va in #​8392 (b825e)
• Support import.meta.resolve on Vite 7  -  by @​hi-ogawa in #​8493 (549d3)
• Show the assertion error first when expect.poll assertion fails  -  by @​sheremet-va in #​8483 (fb450)
• Override fake timers when useFakeTimers is called multiple times  -  by @​sheremet-va in #​8504 (ed7e3)
• Custom expect messages for expect.extend matchers  -  by @​lzl0304 in #​8520 (96945)
• Process sourcemaps for stack traces from globalSetup files  -  by [@​sheremet-va](