fix(browser): skip esbuild.legalComments when using rolldown-vite by Copilot · Pull Request #9803 · vitest-dev/vitest

Copilot · 2026-03-06T01:15:12Z

(Hiroshi) This is already done in other places (core and project config), but was missing for browser config. See past PR in:

fix: configure oxc instead of esbuild on rolldown-vite #8378

The rest is by copilot:

The vitest:browser:config plugin unconditionally set esbuild.legalComments = 'inline', even when running on rolldown-vite (Vite 8+) which uses oxc by default. This triggered Vite's "Both esbuild and oxc options were set" warning because the main vitest plugins had already configured oxc options.

Changes

packages/browser/src/node/plugin.ts: Guard the esbuild.legalComments assignment behind a !rolldownVersion check, matching the pattern already used in workspace.ts and index.ts. The rolldownVersion import from vitest/node was already present in the file.

// Before
if (viteConfig.esbuild !== false) {
  viteConfig.esbuild ||= {}
  viteConfig.esbuild.legalComments = 'inline'
}

// After
if (!rolldownVersion && viteConfig.esbuild !== false) {
  viteConfig.esbuild ||= {}
  viteConfig.esbuild.legalComments = 'inline'
}

Original prompt

This section details on the original issue you should resolve

<issue_title>"Both esbuild and oxc options were set" on Vite 8.0.0-beta.16 + Vitest 4.1.0-beta.6</issue_title>
<issue_description>### Describe the bug

When running unit tests, I'm seeing a warning:

Both esbuild and oxc options were set. oxc options will be used and esbuild options will be ignored. The following esbuild options were set: `{ legalComments: 'inline' }`

The thing is, neither in my vitest.config.ts nor vite.config.ts I have esbuild.legalComments option set. I only have build.rolldownOptions.output.legalComments set.

I believe this comes from the following default:

vitest/packages/browser/src/node/plugin.ts

Lines 358 to 361 in 0c2c013

    
           if (viteConfig.esbuild !== false) { 
        
             viteConfig.esbuild ||= {} 
        
             viteConfig.esbuild.legalComments = 'inline' 
        
           }

but following intuition and setting esbuild: false in my Vitest config, I just get a different warning:

`esbuild` option is set to false, but `oxc` option was not set to false. `esbuild: false` does not have effect any more. If you want to disable the default transformation, which is now handled by Oxc, please set `oxc: false` instead.

Reproduction

I believe I have provided sufficient information for this bug to be resolved. If I'm mistaken, please let me know!

System Info

System:
    OS: macOS 26.3
    CPU: (10) arm64 Apple M1 Max
    Memory: 834.45 MB / 64.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 24.11.1 - /usr/local/bin/node
    Yarn: 4.10.3 - /Users/wojciech.maj/.yarn/switch/bin/yarn
    npm: 11.6.2 - /usr/local/bin/npm
  Browsers:
    Chrome: 144.0.7559.134
    Firefox: 141.0.3
    Safari: 26.3

Used Package Manager

npm

Validations

Follow our Code of Conduct
Read the Contributing Guidelines.
Read the docs.
Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
The provided reproduction is a minimal reproducible example of the bug.</issue_description>

<agent_instructions> {
name: 'vitest:browser:config',
enforce: 'post',
async config(viteConfig) {
// Enables using ignore hint for coverage providers with @preserve keyword
if (viteConfig.esbuild !== false) {
viteConfig.esbuild ||= {}
viteConfig.esbuild.legalComments = 'inline'
}
should do it like {
name: 'vitest:project',
enforce: 'pre',
options() {
this.meta.watchMode = false
},
config(viteConfig) {
const originalDefine = { ...viteConfig.define } // stash original defines for browser mode
const defines: Record<string, any> = deleteDefineConfig(viteConfig)

    const testConfig = viteConfig.test || {}
    const root = testConfig.root || viteConfig.root || options.root

    const resolveOptions = getDefaultResolveOptions()
    let config: ViteConfig = {
      root,
      define: {
        // disable replacing `process.env.NODE_ENV` with static string by vite:client-inject
        'process.env.NODE_ENV': 'process.env.NODE_ENV',
      },
      resolve: {
        ...resolveOptions,
        alias: testConfig.alias,
      },
      server: {
        // disable watch mode in workspaces,
        // because it is handled by the top-level watcher
        watch: null,
        open: false,
        hmr: false,
        ws: false,
        preTransformRequests: false,
        middlewareMode: true,
        fs: {
          allow: resolveFsAllow(
            project.vitest.config.root,
            project.vitest.vite.config.configFile,
          ),
        },
      },
      // eslint-disable-next-line ts/ban-ts-comment
      // @ts-ignore Vite 6 compat
      environments: {
        ssr: {
          resolve: resolveOptions,
        },
      },
      test: {},
    }

    if ('rolldownVersion' in vite) {
      config = {
        ...config,
        // eslint-disable-next-line ts/ban-ts-comment
        // @ts-ignore rolldown-vite only
        oxc: viteConfig.oxc === false
          ? false
          : {
              // eslint-disable-next-line ts/ban-ts-comment
              // @ts-ignore rolldown-vite only
              target: viteConfig.oxc?.target || 'node18',
            },
      }
    }
    else {
      config = {
        ...config,
        esbuild: viteConfig....

Fixes "Both esbuild and oxc options were set" on Vite 8.0.0-beta.16 + Vitest 4.1.0-beta.6 #9800

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

netlify · 2026-03-06T01:16:28Z

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…ldown-vite Co-authored-by: hi-ogawa <4232207+hi-ogawa@users.noreply.github.com>

pkg-pr-new · 2026-03-06T05:36:55Z

@vitest/browser

npm i https://pkg.pr.new/@vitest/browser@9803

@vitest/browser-playwright

npm i https://pkg.pr.new/@vitest/browser-playwright@9803

@vitest/browser-preview

npm i https://pkg.pr.new/@vitest/browser-preview@9803

@vitest/browser-webdriverio

npm i https://pkg.pr.new/@vitest/browser-webdriverio@9803

@vitest/coverage-istanbul

npm i https://pkg.pr.new/@vitest/coverage-istanbul@9803

@vitest/coverage-v8

npm i https://pkg.pr.new/@vitest/coverage-v8@9803

@vitest/expect

npm i https://pkg.pr.new/@vitest/expect@9803

@vitest/mocker

npm i https://pkg.pr.new/@vitest/mocker@9803

@vitest/pretty-format

npm i https://pkg.pr.new/@vitest/pretty-format@9803

@vitest/runner

npm i https://pkg.pr.new/@vitest/runner@9803

@vitest/snapshot

npm i https://pkg.pr.new/@vitest/snapshot@9803

@vitest/spy

npm i https://pkg.pr.new/@vitest/spy@9803

@vitest/ui

npm i https://pkg.pr.new/@vitest/ui@9803

@vitest/utils

npm i https://pkg.pr.new/@vitest/utils@9803

vitest

npm i https://pkg.pr.new/vitest@9803

@vitest/web-worker

npm i https://pkg.pr.new/@vitest/web-worker@9803

@vitest/ws-client

npm i https://pkg.pr.new/@vitest/ws-client@9803

commit: 33516fa

This MR contains the following updates: | Package | Type | Update | Change | OpenSSF | |---|---|---|---|---| | [@openapitools/openapi-generator-cli](https://github.com/OpenAPITools/openapi-generator-cli) | devDependencies | minor | [`2.29.0` → `2.30.2`](https://renovatebot.com/diffs/npm/@openapitools%2fopenapi-generator-cli/2.29.0/2.30.2) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/OpenAPITools/openapi-generator-cli/badge)](https://securityscorecards.dev/viewer/?uri=github.com/OpenAPITools/openapi-generator-cli) | | [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node) ([source](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node)) | devDependencies | minor | [`24.10.13` → `24.12.0`](https://renovatebot.com/diffs/npm/@types%2fnode/24.10.13/24.12.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/DefinitelyTyped/DefinitelyTyped/badge)](https://securityscorecards.dev/viewer/?uri=github.com/DefinitelyTyped/DefinitelyTyped) | | [@typescript-eslint/eslint-plugin](https://typescript-eslint.io/packages/eslint-plugin) ([source](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin)) | devDependencies | minor | [`8.56.1` → `8.57.0`](https://renovatebot.com/diffs/npm/@typescript-eslint%2feslint-plugin/8.56.1/8.57.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/typescript-eslint/typescript-eslint/badge)](https://securityscorecards.dev/viewer/?uri=github.com/typescript-eslint/typescript-eslint) | | [@typescript-eslint/parser](https://typescript-eslint.io/packages/parser) ([source](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser)) | devDependencies | minor | [`8.56.1` → `8.57.0`](https://renovatebot.com/diffs/npm/@typescript-eslint%2fparser/8.56.1/8.57.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/typescript-eslint/typescript-eslint/badge)](https://securityscorecards.dev/viewer/?uri=github.com/typescript-eslint/typescript-eslint) | | [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/tree/main/packages/plugin-react#readme) ([source](https://github.com/vitejs/vite-plugin-react/tree/HEAD/packages/plugin-react)) | devDependencies | minor | [`5.1.4` → `5.2.0`](https://renovatebot.com/diffs/npm/@vitejs%2fplugin-react/5.1.4/5.2.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/vitejs/vite-plugin-react/badge)](https://securityscorecards.dev/viewer/?uri=github.com/vitejs/vite-plugin-react) | | [typescript-eslint](https://typescript-eslint.io/packages/typescript-eslint) ([source](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/typescript-eslint)) | devDependencies | minor | [`8.56.1` → `8.57.0`](https://renovatebot.com/diffs/npm/typescript-eslint/8.56.1/8.57.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/typescript-eslint/typescript-eslint/badge)](https://securityscorecards.dev/viewer/?uri=github.com/typescript-eslint/typescript-eslint) | | [vite-plugin-static-copy](https://github.com/sapphi-red/vite-plugin-static-copy) | devDependencies | minor | [`3.2.0` → `3.3.0`](https://renovatebot.com/diffs/npm/vite-plugin-static-copy/3.2.0/3.3.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/sapphi-red/vite-plugin-static-copy/badge)](https://securityscorecards.dev/viewer/?uri=github.com/sapphi-red/vite-plugin-static-copy) | | [vitest](https://vitest.dev) ([source](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest)) | devDependencies | minor | [`4.0.18` → `4.1.0`](https://renovatebot.com/diffs/npm/vitest/4.0.18/4.1.0) | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/vitest-dev/vitest/badge)](https://securityscorecards.dev/viewer/?uri=github.com/vitest-dev/vitest) | --- ### Release Notes <details> <summary>OpenAPITools/openapi-generator-cli (@openapitools/openapi-generator-cli)</summary> ### [`v2.30.2`](https://github.com/OpenAPITools/openapi-generator-cli/releases/tag/v2.30.2) [Compare Source](OpenAPITools/openapi-generator-cli@v2.30.1...v2.30.2) ##### Bug Fixes - 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This release page lists all changes made to the project during the 4.1 beta. To get a review of all the new features, read our [blog post](https://vitest.dev/blog/vitest-4-1). ##### 🚀 Features - Return a disposable from doMock() - by [@kirkwaiblinger](https://github.com/kirkwaiblinger) in [#9332](vitest-dev/vitest#9332) [<samp>(e3e65)</samp>](vitest-dev/vitest@e3e659a96) - Added chai style assertions - by [@ronnakamoto](https://github.com/ronnakamoto) and [@sheremet-va](https://github.com/sheremet-va) in [#8842](vitest-dev/vitest#8842) [<samp>(841df)</samp>](vitest-dev/vitest@841df9ac5) - Update to sinon/fake-timers v15 and add `setTickMode` to timer controls - by [@atscott](https://github.com/atscott) and [@sheremet-va](https://github.com/sheremet-va) in [#8726](vitest-dev/vitest#8726) [<samp>(4b480)</samp>](vitest-dev/vitest@4b480aaed) - Expose matcher types - by [@sheremet-va](https://github.com/sheremet-va) in [#9448](vitest-dev/vitest#9448) [<samp>(3e4b9)</samp>](vitest-dev/vitest@3e4b913b1) - Add `toTestSpecification` to reported tasks - by [@sheremet-va](https://github.com/sheremet-va) in [#9464](vitest-dev/vitest#9464) [<samp>(1a470)</samp>](vitest-dev/vitest@1a4705da9) - 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by [@macarie](https://github.com/macarie) in [#9588](vitest-dev/vitest#9588) [<samp>(24603)</samp>](vitest-dev/vitest@24603e3c4) - Allow `vitest list` to statically collect tests instead of running files to collect them - by [@sheremet-va](https://github.com/sheremet-va) in [#9630](vitest-dev/vitest#9630) [<samp>(7a8e7)</samp>](vitest-dev/vitest@7a8e7fc20) - Add `--detect-async-leaks` - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9528](vitest-dev/vitest#9528) [<samp>(c594d)</samp>](vitest-dev/vitest@c594d4af3) - Implement `mockThrow` and `mockThrowOnce` - by [@thor-juhasz](https://github.com/thor-juhasz) and [@sheremet-va](https://github.com/sheremet-va) in [#9512](vitest-dev/vitest#9512) [<samp>(61917)</samp>](vitest-dev/vitest@619179fb7) - Support `update: "none"` and add docs about snapshots behavior on CI - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9700](vitest-dev/vitest#9700) [<samp>(05f18)</samp>](vitest-dev/vitest@05f1854e2) - Support playwright `launchOptions` with `connectOptions` - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9702](vitest-dev/vitest#9702) [<samp>(f0ff1)</samp>](vitest-dev/vitest@f0ff1b2a0) - Add `page/locator.mark` API to enhance playwright trace - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9652](vitest-dev/vitest#9652) [<samp>(d0ee5)</samp>](vitest-dev/vitest@d0ee546fe) - **api**: - Support tests starting or ending with `test` in `experimental_parseSpecification` - by [@jgillick](https://github.com/jgillick) and **Jeremy Gillick** in [#9235](vitest-dev/vitest#9235) [<samp>(2f367)</samp>](vitest-dev/vitest@2f367fad3) - Add filters to `createSpecification` - by [@sheremet-va](https://github.com/sheremet-va) in [#9336](vitest-dev/vitest#9336) [<samp>(c8e6c)</samp>](vitest-dev/vitest@c8e6c7fbf) - Expose `runTestFiles` as alternative to `runTestSpecifications` - by [@sheremet-va](https://github.com/sheremet-va) in [#9443](vitest-dev/vitest#9443) [<samp>(43d76)</samp>](vitest-dev/vitest@43d761821) - Add `allowWrite` and `allowExec` options to `api` - by [@sheremet-va](https://github.com/sheremet-va) in [#9350](vitest-dev/vitest#9350) [<samp>(20e00)</samp>](vitest-dev/vitest@20e00ef78) - Allow passing down test cases to `toTestSpecification` - by [@sheremet-va](https://github.com/sheremet-va) in [#9627](vitest-dev/vitest#9627) [<samp>(6f17d)</samp>](vitest-dev/vitest@6f17d5ddf) - **browser**: - Add `userEvent.wheel` API - by [@macarie](https://github.com/macarie) in [#9188](vitest-dev/vitest#9188) [<samp>(66080)</samp>](vitest-dev/vitest@660801979) - Add `filterNode` option to prettyDOM for filtering browser assertion error output - by [@Copilot](https://github.com/Copilot), **sheremet-va** and [@sheremet-va](https://github.com/sheremet-va) in [#9475](vitest-dev/vitest#9475) [<samp>(d3220)</samp>](vitest-dev/vitest@d3220fcd8) - Support playwright persistent context - by [@hi-ogawa](https://github.com/hi-ogawa), **Claude Opus 4.6** and [@sheremet-va](https://github.com/sheremet-va) in [#9229](vitest-dev/vitest#9229) [<samp>(f865d)</samp>](vitest-dev/vitest@f865d2ba4) - Added `detailsPanelPosition` option and button - by [@shairez](https://github.com/shairez) in [#9525](vitest-dev/vitest#9525) [<samp>(c8a31)</samp>](vitest-dev/vitest@c8a31147c) - Use BlazeDiff instead of pixelmatch - by [@macarie](https://github.com/macarie) in [#9514](vitest-dev/vitest#9514) [<samp>(30936)</samp>](vitest-dev/vitest@309362089) - Add `findElement` and enable strict mode in webdriverio and preview - by [@sheremet-va](https://github.com/sheremet-va) in [#9677](vitest-dev/vitest#9677) [<samp>(c3f37)</samp>](vitest-dev/vitest@c3f37721c) - **cli**: - Add [@bomb](https://github.com/bomb).sh/tab completions - by [@AmirSa12](https://github.com/AmirSa12) and [@sheremet-va](https://github.com/sheremet-va) in [#8639](vitest-dev/vitest#8639) [<samp>(200f3)</samp>](vitest-dev/vitest@200f31704) - **coverage**: - Support `ignore start/stop` ignore hints - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9204](vitest-dev/vitest#9204) [<samp>(e59c9)</samp>](vitest-dev/vitest@e59c94ba6) - Add `coverage.changed` option to report only changed files - by [@kykim00](https://github.com/kykim00) and [@AriPerkkio](https://github.com/AriPerkkio) in [#9521](vitest-dev/vitest#9521) [<samp>(1d939)</samp>](vitest-dev/vitest@1d9392c67) - **experimental**: - Add `onModuleRunner` hook to `worker.init` - by [@sheremet-va](https://github.com/sheremet-va) in [#9286](vitest-dev/vitest#9286) [<samp>(e977f)</samp>](vitest-dev/vitest@e977f3deb) - Option to disable the module runner - by [@sheremet-va](https://github.com/sheremet-va) and [@AriPerkkio](https://github.com/AriPerkkio) in [#9210](vitest-dev/vitest#9210) [<samp>(9be61)</samp>](vitest-dev/vitest@9be6121ee) - Add `importDurations: { limit, print }` options - by [@hi-ogawa](https://github.com/hi-ogawa), **Claude Opus 4.6** and [@sheremet-va](https://github.com/sheremet-va) in [#9401](vitest-dev/vitest#9401) [<samp>(7e10f)</samp>](vitest-dev/vitest@7e10fb356) - Add print and fail thresholds for `importDurations` - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9533](vitest-dev/vitest#9533) [<samp>(3f7a5)</samp>](vitest-dev/vitest@3f7a5f8f8) - **fixtures**: - Pass down file context to `beforeAll`/`afterAll` - by [@sheremet-va](https://github.com/sheremet-va) in [#9572](vitest-dev/vitest#9572) [<samp>(c8339)</samp>](vitest-dev/vitest@c83395f2c) - **reporters**: - Add `agent` reporter to reduce ai agent token usage - by [@cpojer](https://github.com/cpojer) in [#9779](vitest-dev/vitest#9779) [<samp>(3e9e0)</samp>](vitest-dev/vitest@3e9e096a2) - **runner**: - Enhance `retry` options - by [@MazenSamehR](https://github.com/MazenSamehR), **Matan Shavit**, [@AriPerkkio](https://github.com/AriPerkkio) and [@sheremet-va](https://github.com/sheremet-va) in [#9370](vitest-dev/vitest#9370) [<samp>(9e4cf)</samp>](vitest-dev/vitest@9e4cfd295) - **ui**: - Allow run individual test/suites - by [@userquin](https://github.com/userquin) in [#9465](vitest-dev/vitest#9465) [<samp>(73b10)</samp>](vitest-dev/vitest@73b10f1b9) - Add project filter/sort support - by [@userquin](https://github.com/userquin) in [#8689](vitest-dev/vitest#8689) [<samp>(0c7ea)</samp>](vitest-dev/vitest@0c7eaac16) - Add duration sorting to explorer - by [@julianhahn](https://github.com/julianhahn) and [@cursoragent](https://github.com/cursoragent) in [#9603](vitest-dev/vitest#9603) [<samp>(209b1)</samp>](vitest-dev/vitest@209b1b0e1) - Implement filter for slow tests - by [@DerYeger](https://github.com/DerYeger) and [@userquin](https://github.com/userquin) in [#9705](vitest-dev/vitest#9705) [<samp>(8880c)</samp>](vitest-dev/vitest@8880c907a) - **vitest**: - Add run summary in GitHub Actions Reporter - by [@macarie](https://github.com/macarie) and **jhnance** in [#9579](vitest-dev/vitest#9579) [<samp>(96bfc)</samp>](vitest-dev/vitest@96bfc8345) ##### 🐞 Bug Fixes - Deprecate several vitest/\* entry points - by [@sheremet-va](https://github.com/sheremet-va) in [#9347](vitest-dev/vitest#9347) [<samp>(fd459)</samp>](vitest-dev/vitest@fd45928be) - Use `meta.url` in `createRequire` - by [@sheremet-va](https://github.com/sheremet-va) in [#9441](vitest-dev/vitest#9441) [<samp>(e3422)</samp>](vitest-dev/vitest@e34225563) - Preact browser mode init example of render function not async - by [@WuMingDao](https://github.com/WuMingDao) in [#9375](vitest-dev/vitest#9375) [<samp>(2bea5)</samp>](vitest-dev/vitest@2bea549c7) - Deprecate unused types in matcher context - by [@sheremet-va](https://github.com/sheremet-va) in [#9449](vitest-dev/vitest#9449) [<samp>(20f87)</samp>](vitest-dev/vitest@20f8753a2) - Handle `external/noExternal` during `configEnvironment` hook - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9508](vitest-dev/vitest#9508) [<samp>(59ea2)</samp>](vitest-dev/vitest@59ea27c1c) - Replace default ssr environment runner with Vitest server module runner - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9506](vitest-dev/vitest#9506) [<samp>(cd5db)</samp>](vitest-dev/vitest@cd5db660c) - Propagate experimental CLI options to child projects - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9531](vitest-dev/vitest#9531) [<samp>(b624f)</samp>](vitest-dev/vitest@b624fae53) - Show a warning when `browser.isolate` is used - by [@sheremet-va](https://github.com/sheremet-va) in [#9410](vitest-dev/vitest#9410) [<samp>(3d48e)</samp>](vitest-dev/vitest@3d48ebcb9) - Fix `vi.mock({ spy: true })` node v8 coverage - by [@hi-ogawa](https://github.com/hi-ogawa), **hi-ogawa** and **Claude Opus 4.6** in [#9541](vitest-dev/vitest#9541) [<samp>(687b6)</samp>](vitest-dev/vitest@687b633c1) - Don't show internal ssr handler in errors - by [@sheremet-va](https://github.com/sheremet-va) in [#9547](vitest-dev/vitest#9547) [<samp>(76c43)</samp>](vitest-dev/vitest@76c4397b5) - Close vitest if it failed to start - by [@sheremet-va](https://github.com/sheremet-va) in [#9573](vitest-dev/vitest#9573) [<samp>(728ba)</samp>](vitest-dev/vitest@728ba617f) - Fix ssr environment runner in project - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9584](vitest-dev/vitest#9584) [<samp>(09006)</samp>](vitest-dev/vitest@090064f97) - Trim trailing white spaces in code block - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9591](vitest-dev/vitest#9591) [<samp>(f78be)</samp>](vitest-dev/vitest@f78bea992) - Support inline snapshot inside test.for/each - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9590](vitest-dev/vitest#9590) [<samp>(615fd)</samp>](vitest-dev/vitest@615fd521e) - Apply source maps for external module stack trace - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9152](vitest-dev/vitest#9152) [<samp>(79e20)</samp>](vitest-dev/vitest@79e20d5a3) - Remove the `.name` from statically collected test - by [@sheremet-va](https://github.com/sheremet-va) in [#9596](vitest-dev/vitest#9596) [<samp>(b66ff)</samp>](vitest-dev/vitest@b66ff691a) - Don't suppress warnings on pnp - by [@sheremet-va](https://github.com/sheremet-va) in [#9602](vitest-dev/vitest#9602) [<samp>(89cbd)</samp>](vitest-dev/vitest@89cbdaea3) - Support snapshot with `expect.soft` - by [@iumehara](https://github.com/iumehara), [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9231](vitest-dev/vitest#9231) [<samp>(3eb2c)</samp>](vitest-dev/vitest@3eb2cd541) - Log seed when only `sequence.shuffle.tests` is enabled - by [@kaigritun](https://github.com/kaigritun), **Kai Gritun** and [@sheremet-va](https://github.com/sheremet-va) in [#9576](vitest-dev/vitest#9576) [<samp>(8182b)</samp>](vitest-dev/vitest@8182b77ad) - Externalize `expect/src/utils` from `vitest` - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9616](vitest-dev/vitest#9616) [<samp>(48739)</samp>](vitest-dev/vitest@487398422) - Ignore test.override during static collection - by [@sheremet-va](https://github.com/sheremet-va) in [#9620](vitest-dev/vitest#9620) [<samp>(09174)</samp>](vitest-dev/vitest@0917470ce) - Increase stacktrace limit for `--detect-async-leaks` - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9638](vitest-dev/vitest#9638) [<samp>(9fd4c)</samp>](vitest-dev/vitest@9fd4ce533) - Hanging-reporter link in cli - by [@flx-sta](https://github.com/flx-sta) in [#9649](vitest-dev/vitest#9649) [<samp>(7c103)</samp>](vitest-dev/vitest@7c103055c) - Fix teardown timeout of `aroundEach/All` when inner `aroundEach/All` throws - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9657](vitest-dev/vitest#9657) [<samp>(4ec6c)</samp>](vitest-dev/vitest@4ec6cb305) - Fix ui mode / html reporter and coverage integration - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9626](vitest-dev/vitest#9626) [<samp>(86fad)</samp>](vitest-dev/vitest@86fad4b42) - Don't continue when `aroundEach/All` setup timed out - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9670](vitest-dev/vitest#9670) [<samp>(bb013)</samp>](vitest-dev/vitest@bb013d54b) - Align `VitestRunnerConfig` optional fields with `SerializedConfig` - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9661](vitest-dev/vitest#9661) [<samp>(79520)</samp>](vitest-dev/vitest@79520d82d) - Handle Symbol values in format utility - by [@nami8824](https://github.com/nami8824) in [#9658](vitest-dev/vitest#9658) [<samp>(0583f)</samp>](vitest-dev/vitest@0583f067e) - Deprecate `toBe*` spy assertions in favor of `toHaveBeen*` (and `toThrowError`) - by [@sheremet-va](https://github.com/sheremet-va) in [#9665](vitest-dev/vitest#9665) [<samp>(4d390)</samp>](vitest-dev/vitest@4d390dfe9) - Don't propagate nested `aroundEach/All` errors but aggregate them on runner - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9673](vitest-dev/vitest#9673) [<samp>(b6365)</samp>](vitest-dev/vitest@b63653f5a) - Show a better error if there is a pending dynamic import - by [@sheremet-va](https://github.com/sheremet-va) in [#9676](vitest-dev/vitest#9676) [<samp>(7ef5c)</samp>](vitest-dev/vitest@7ef5cf4b7) - Preserve stack trace of `resolves/rejects` chained assertion error - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9679](vitest-dev/vitest#9679) [<samp>(c6151)</samp>](vitest-dev/vitest@c61511d4a) - Handle module-sync condition in vmThreads/vmForks require - by [@lesleh](https://github.com/lesleh) in [#9650](vitest-dev/vitest#9650) and [#9651](vitest-dev/vitest#9651) [<samp>(bb203)</samp>](vitest-dev/vitest@bb20389f4) - Hooks should respect `maxConcurrency` - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9653](vitest-dev/vitest#9653) [<samp>(16d13)</samp>](vitest-dev/vitest@16d13d981) - Recursively autospy module object - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9687](vitest-dev/vitest#9687) [<samp>(695a8)</samp>](vitest-dev/vitest@695a86b41) - Remove trailing spaces from diff error log - by [@hi-ogawa](https://github.com/hi-ogawa) and [@sheremet-va](https://github.com/sheremet-va) in [#9680](vitest-dev/vitest#9680) [<samp>(395d1)</samp>](vitest-dev/vitest@395d1a29e) - Respect project `resolve.conditions` for externals - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9717](vitest-dev/vitest#9717) [<samp>(1d498)</samp>](vitest-dev/vitest@1d4987498) - Use object for WeakMap instead of a symbol to support webcontainers - by [@sheremet-va](https://github.com/sheremet-va) in [#9731](vitest-dev/vitest#9731) [<samp>(c5225)</samp>](vitest-dev/vitest@c52259330) - Fix re-mocking virtual module - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9748](vitest-dev/vitest#9748) [<samp>(3cbbb)</samp>](vitest-dev/vitest@3cbbb17f1) - Cancelling should stop current test immediately - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9729](vitest-dev/vitest#9729) [<samp>(0cb2f)</samp>](vitest-dev/vitest@0cb2f7239) - Make `mockObject` change backwards compatible - by [@sheremet-va](https://github.com/sheremet-va) in [#9744](vitest-dev/vitest#9744) [<samp>(84c69)</samp>](vitest-dev/vitest@84c69497f) - Fix `URL.name` on jsdom - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9767](vitest-dev/vitest#9767) [<samp>(031f3)</samp>](vitest-dev/vitest@031f3a374) - Save and restore module graph in blob reporter - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9740](vitest-dev/vitest#9740) [<samp>(84355)</samp>](vitest-dev/vitest@843554bf0) - Don't silence reporter errors from test runtime events handler in normal run and --merge-reports - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9727](vitest-dev/vitest#9727) [<samp>(4072d)</samp>](vitest-dev/vitest@4072d0132) - Fix `vi.importActual()` for virtual modules - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9772](vitest-dev/vitest#9772) [<samp>(1e89e)</samp>](vitest-dev/vitest@1e89ec020) - Throw `FixtureAccessError` if suite hook accesses undefined fixture - by [@sheremet-va](https://github.com/sheremet-va) in [#9786](vitest-dev/vitest#9786) [<samp>(fc2ce)</samp>](vitest-dev/vitest@fc2cea2b7) - Allow hyphens in project config file name pattern - by [@Koutaro-Hanabusa](https://github.com/Koutaro-Hanabusa) and [@hi-ogawa](https://github.com/hi-ogawa) in [#9760](vitest-dev/vitest#9760) [<samp>(33e96)</samp>](vitest-dev/vitest@33e96311a) - Manual and redirect mock shouldn't `load` or `transform` original module - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9774](vitest-dev/vitest#9774) [<samp>(a8216)</samp>](vitest-dev/vitest@a8216b001) - `hideSkippedTests` should not hide `test.todo` - by [@oilater](https://github.com/oilater) in [#9562](vitest-dev/vitest#9562) and [#9781](vitest-dev/vitest#9781) [<samp>(8181e)</samp>](vitest-dev/vitest@8181e06e7) - Allow catch/finally for async assertion - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9827](vitest-dev/vitest#9827) [<samp>(031f0)</samp>](vitest-dev/vitest@031f02a89) - Resolve fixture overrides from test's suite in `beforeEach` hooks - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9826](vitest-dev/vitest#9826) [<samp>(99e52)</samp>](vitest-dev/vitest@99e52fe58) - Use isAgent check, not just TTY, for watch mode - by [@sheremet-va](https://github.com/sheremet-va) in [#9841](vitest-dev/vitest#9841) [<samp>(c3cac)</samp>](vitest-dev/vitest@c3cac1c1b) - Use `performance.now` to measure test timeout duration - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9795](vitest-dev/vitest#9795) [<samp>(f48a6)</samp>](vitest-dev/vitest@f48a60114) - Correctly identify concurrent test during static analysis - by [@sheremet-va](https://github.com/sheremet-va) in [#9846](vitest-dev/vitest#9846) [<samp>(1de0a)</samp>](vitest-dev/vitest@1de0aa22d) - **browser**: - Avoid updating screenshots when `toMatchScreenshot` passes - by [@macarie](https://github.com/macarie) in [#9289](vitest-dev/vitest#9289) [<samp>(46aab)</samp>](vitest-dev/vitest@46aabaa44) - Hide injected data-testid attributes - by [@sheremet-va](https://github.com/sheremet-va) in [#9503](vitest-dev/vitest#9503) [<samp>(c8d2c)</samp>](vitest-dev/vitest@c8d2c411c) - Throw an error if iframe was reloaded - by [@sheremet-va](https://github.com/sheremet-va) in [#9516](vitest-dev/vitest#9516) [<samp>(73a81)</samp>](vitest-dev/vitest@73a81f880) - Encode projectName in browser client URL - by [@dkkim0122](https://github.com/dkkim0122) in [#9523](vitest-dev/vitest#9523) [<samp>(5b164)</samp>](vitest-dev/vitest@5b16483c3) - Don't take failure screenshot if tests have artifacts created by `toMatchScreenshot` - by [@macarie](https://github.com/macarie) in [#9552](vitest-dev/vitest#9552) [<samp>(83ca0)</samp>](vitest-dev/vitest@83ca02547) - Remove `--remote-debugging-address` from chrome args - by [@hi-ogawa](https://github.com/hi-ogawa) and [@AriPerkkio](https://github.com/AriPerkkio) in [#9712](vitest-dev/vitest#9712) [<samp>(f09bb)</samp>](vitest-dev/vitest@f09bb5c32) - Make sure userEvent actions support `ensureAwaited` - by [@sheremet-va](https://github.com/sheremet-va) in [#9732](vitest-dev/vitest#9732) [<samp>(97685)</samp>](vitest-dev/vitest@9768517b8) - Types of `getCDPSession` and `cdp()` - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9716](vitest-dev/vitest#9716) [<samp>(689a2)</samp>](vitest-dev/vitest@689a22a1b) - Skip esbuild.legalComments when using rolldown-vite - by [@Copilot](https://github.com/Copilot), **hi-ogawa** and [@hi-ogawa](https://github.com/hi-ogawa) in [#9803](vitest-dev/vitest#9803) [<samp>(3505f)</samp>](vitest-dev/vitest@3505fa5a3) - **chai**: - Don't allow `deepEqual` in the config because it's not serializable - by [@sheremet-va](https://github.com/sheremet-va) in [#9666](vitest-dev/vitest#9666) [<samp>(9ee99)</samp>](vitest-dev/vitest@9ee999d73) - **coverage**: - Infer transform mode for uncovered files - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9435](vitest-dev/vitest#9435) [<samp>(f3967)</samp>](vitest-dev/vitest@f396792d6) - `thresholds.autoUpdate` to preserve ending whitespace - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9436](vitest-dev/vitest#9436) [<samp>(7e534)</samp>](vitest-dev/vitest@7e534a0b6) - **deps**: - Update all non-major dependencies - by [@hi-ogawa](https://github.com/hi-ogawa) in [#9192](vitest-dev/vitest#9192) [<samp>(90c30)</samp>](vitest-dev/vitest@90c302f3b) - Update all non-major dependencies - in [#9485](vitest-dev/vitest#9485) [<samp>(c0118)</samp>](vitest-dev/vitest@c01186022) - Update all non-major dependencies - in [#9567](vitest-dev/vitest#9567) [<samp>(13c9e)</samp>](vitest-dev/vitest@13c9e022b) - **docs**: - Fix old `/config/#option` hash links causing hydration errors - by [@hi-ogawa](https://github.com/hi-ogawa), **Claude Opus 4.6** and [@sheremet-va](https://github.com/sheremet-va) in [#9610](vitest-dev/vitest#9610) [<samp>(a603c)</samp>](vitest-dev/vitest@a603c3a30) - **expect**: - `toMatchObject(Map/Set)` should expect `Map/Set` on left hand side - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9532](vitest-dev/vitest#9532) [<samp>(381da)</samp>](vitest-dev/vitest@381da4a9d) - Fix objectContaining with proxy - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9554](vitest-dev/vitest#9554) [<samp>(7ce34)</samp>](vitest-dev/vitest@7ce3417b1) - Support arbitrary value equality for `toThrow` and make Error detection robust - by [@hi-ogawa](https://github.com/hi-ogawa) and **Claude Opus 4.6** in [#9570](vitest-dev/vitest#9570) [<samp>(de215)</samp>](vitest-dev/vitest@de215c19c) - **mock**: - Inject helpers after hashbang if present - by [@sheremet-va](https://github.com/sheremet-va) in [#9545](vitest-dev/vitest#9545) [<samp>(65432)</samp>](vitest-dev/vitest@65432a74b) - **mocker**: - Update vite's peer dependency range - by [@sheremet-va](https://github.com/sheremet-va) in [#9808](vitest-dev/vitest#9808) [<samp>(36f9a)</samp>](vitest-dev/vitest@36f9a81a2) - **reporter**: - `dot` reporter leaves pending tests - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9684](vitest-dev/vitest#9684) [<samp>(4d793)</samp>](vitest-dev/vitest@4d7938a56) - **runner**: - Mark repeated tests as finished on last run - by [@AriPerkkio](https://github.com/AriPerkkio) in [#9707](vitest-dev/vitest#9707) [<samp>(cc735)</samp>](vitest-dev/vitest@cc735970a) - **spy**: - Support deep partial in vi.mocked - by [@j2h30728](https://github.com/j2h30728) in [#8152](vitest-dev/vitest#8152) and [#9493](vitest-dev/vitest#9493) [<samp>(71cb5)</samp>](vitest-dev/vitest@71cb51ffc) - Fallback to object accessor if descriptor's value is `undefined` - by [@sheremet-va](https://github.com/sheremet-va) in [#9511](vitest-dev/vitest#9511) [<samp>(6f181)</samp>](vitest-dev/vitest@6f18103fa) - Throw correct errors when shorthand methods are used on a class - by [@sheremet-va](https://github.com/sheremet-va) in [#9513](vitest-dev/vitest#9513) [<samp>(5d0fd)</samp>](vitest-dev/vitest@5d0fd3b62) - **types**: - `bench.reporters` no longer gives type errors when passing file name string paths - by [@Bertie690](https://github.com/Bertie690) in [#9695](vitest-dev/vitest#9695) [<samp>(093c8)</samp>](vitest-dev/vitest@093c8f6b5) - **ui**: - Process artifact attachments when generating HTML reporter - by [@macarie](https://github.com/macarie) in [#9472](vitest-dev/vitest#9472) [<samp>(96eb9)</samp>](vitest-dev/vitest@96eb92826) - Don't fail if --ui and --root are specified together - by [@sheremet-va](https://github.com/sheremet-va) in [#9536](vitest-dev/vitest#9536) [<samp>(d9305)</samp>](vitest-dev/vitest@d93055fc7) ##### 🏎 Performance - **pretty-format**: Combine DOMElement plugins - by [@sheremet-va](https://github.com/sheremet-va) in [#9581](vitest-dev/vitest#9581) [<samp>(da85a)</samp>](vitest-dev/vitest@da85a3267) ##### [View changes on GitHub](vitest-dev/vitest@v4.0.17...v4.1.0) </details> --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).  See merge request swiss-armed-forces/cyber-command/cea/loom!361 Co-authored-by: Loom MR Pipeline Trigger <group_103951964_bot_9504bb8dead6d4e406ad817a607f24be@noreply.gitlab.com> Co-authored-by: shrewd-laidback palace <shrewd-laidback-palace-736-c41-2c1-e464fc974@swiss-armed-forces-open-source.ch>

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ebd0df7

Copilot AI assigned Copilot and hi-ogawa Mar 6, 2026

Copilot started work on behalf of hi-ogawa March 6, 2026 01:15 View session

fix: don't set esbuild.legalComments in browser plugin when using rol…

db1dc39

…ldown-vite Co-authored-by: hi-ogawa <4232207+hi-ogawa@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Fix warning for both esbuild and oxc options set~~ fix(browser): skip esbuild.legalComments when using rolldown-vite Mar 6, 2026

Copilot finished work on behalf of hi-ogawa March 6, 2026 01:19

hi-ogawa marked this pull request as ready for review March 6, 2026 05:21

hi-ogawa added the cr-tracked label Mar 6, 2026

hi-ogawa added 2 commits March 6, 2026 14:42

Merge branch 'main' into copilot/fix-esbuild-oxc-options-warning

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test: add repro

36b9103

hi-ogawa approved these changes Mar 6, 2026

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sheremet-va approved these changes Mar 6, 2026

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sheremet-va merged commit 3505fa5 into main Mar 6, 2026
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sheremet-va deleted the copilot/fix-esbuild-oxc-options-warning branch March 6, 2026 08:42

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fix(browser): skip esbuild.legalComments when using rolldown-vite#9803

fix(browser): skip esbuild.legalComments when using rolldown-vite#9803
sheremet-va merged 4 commits intomainfrom
copilot/fix-esbuild-oxc-options-warning

Copilot AI commented Mar 6, 2026 •

edited by hi-ogawa

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	if (viteConfig.esbuild !== false) {
	viteConfig.esbuild \|\|= {}
	viteConfig.esbuild.legalComments = 'inline'
	}

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Copilot AI commented Mar 6, 2026 •

edited by hi-ogawa

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