fix: propagate experimental CLI options to child projects (#9531)

hi-ogawa · claude · web-flow · commit b624fae53824 · 2026-01-27T12:23:17.000+01:00
Co-authored-by: Claude Opus 4.5 &lt;noreply@anthropic.com&gt;
diff --git a/packages/vitest/src/node/plugins/workspace.ts b/packages/vitest/src/node/plugins/workspace.ts
@@ -112,6 +112,9 @@ export function WorkspaceVitestPlugin(
         if (testConfig.experimental?.nodeLoader == null && project.vitest.config.experimental?.nodeLoader != null) {
           vitestConfig.experimental.nodeLoader = project.vitest.config.experimental.nodeLoader
         }
+        if (testConfig.experimental?.importDurations == null && project.vitest.config.experimental?.importDurations != null) {
+          vitestConfig.experimental.importDurations = project.vitest.config.experimental.importDurations
+        }
 
         return {
           base: '/',
diff --git a/test/config/test/cli-config.test.ts b/test/config/test/cli-config.test.ts
@@ -31,6 +31,11 @@ it('correctly inherit from the cli', async () => {
       testNamePattern: 'math',
       passWithNoTests: true,
       bail: 100,
+      experimental: {
+        importDurations: {
+          print: true,
+        },
+      },
     },
   })
   const project = ctx!.projects[0]
@@ -48,6 +53,12 @@ it('correctly inherit from the cli', async () => {
     retry: 6,
     passWithNoTests: true,
     bail: 100,
+    experimental: expect.objectContaining({
+      importDurations: {
+        print: true,
+        limit: 10,
+      },
+    }),
   })
   expect(config.testNamePattern?.test('math')).toBe(true)
 })

Original file line number	Diff line number	Diff line change
`@@ -112,6 +112,9 @@ export function WorkspaceVitestPlugin(`
`112`	`112`	`if (testConfig.experimental?.nodeLoader == null && project.vitest.config.experimental?.nodeLoader != null) {`
`113`	`113`	`vitestConfig.experimental.nodeLoader = project.vitest.config.experimental.nodeLoader`
`114`	`114`	`}`
	`115`	`+ if (testConfig.experimental?.importDurations == null && project.vitest.config.experimental?.importDurations != null) {`
	`116`	`+ vitestConfig.experimental.importDurations = project.vitest.config.experimental.importDurations`
	`117`	`+ }`
`115`	`118`
`116`	`119`	`return {`
`117`	`120`	`base: '/',`