fix(license): resolve wrong version and missing license text

packages/vite/src/node/__tests__/plugins/__snapshots__/license.spec.ts.snap

@@ -14,6 +14,12 @@ exports[`json 1`] = `
     "identifier": "MIT",
     "text": "MIT License\\n\\nCopyright (c) ..."
   },
+  {
+    "name": "@vitejs/test-dep-license-type-marker",
+    "version": "1.0.0",
+    "identifier": "MIT",
+    "text": "MIT License\\n\\nCopyright (c) ..."
+  },
   {
     "name": "@vitejs/test-dep-nested-license-isc",
     "version": "0.0.0",
@@ -40,6 +46,12 @@ MIT License
 
 Copyright (c) ...
 
+## @vitejs/test-dep-license-type-marker - 1.0.0 (MIT)
+
+MIT License
+
+Copyright (c) ...
+
 ## @vitejs/test-dep-nested-license-isc - 0.0.0 (ISC)
 
 Copyright (c) ...

packages/vite/src/node/__tests__/plugins/fixtures/license/dep-license-type-marker/build/esm/index.js

@@ -0,0 +1,4 @@
+// Avoid to be inlined completely: https://github.com/rolldown/rolldown/issues/8100
+console.log()
+
+export default 'ok'

packages/vite/src/node/__tests__/plugins/fixtures/license/dep-license-type-marker/build/esm/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "@vitejs/test-dep-license-type-marker",
+  "type": "module"
+}

packages/vite/src/node/__tests__/plugins/fixtures/license/dep-license-type-marker/license

@@ -0,0 +1,3 @@
+MIT License
+
+Copyright (c) ...

packages/vite/src/node/__tests__/plugins/fixtures/license/dep-license-type-marker/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "@vitejs/test-dep-license-type-marker",
+  "private": true,
+  "version": "1.0.0",
+  "license": "MIT",
+  "exports": {
+    ".": "./build/esm/index.js"
+  }
+}

packages/vite/src/node/__tests__/plugins/fixtures/license/index.html

@@ -1,5 +1,6 @@
 <script type="module">
   import dep1 from '@vitejs/test-dep-licence-cc0'
   import dep2 from '@vitejs/test-dep-license-mit'
-  console.log(dep1, dep2)
+  import dep3 from '@vitejs/test-dep-license-type-marker'
+  console.log(dep1, dep2, dep3)
 </script>

packages/vite/src/node/__tests__/plugins/fixtures/license/package.json

@@ -5,6 +5,7 @@
   "type": "module",
   "dependencies": {
     "@vitejs/test-dep-license-mit": "file:./dep-license-mit",
+    "@vitejs/test-dep-license-type-marker": "file:./dep-license-type-marker",
     "@vitejs/test-dep-licence-cc0": "file:./dep-licence-cc0"
   }
 }

packages/vite/src/node/plugins/license.ts

@@ -1,7 +1,7 @@
 import fs from 'node:fs'
 import path from 'node:path'
-import type { PackageCache } from '../packages'
-import { findNearestMainPackageData } from '../packages'
+import type { PackageCache, PackageData } from '../packages'
+import { findNearestPackageData } from '../packages'
 import type { Plugin } from '../plugin'
 import { isInNodeModules, sortObjectKeys } from '../utils'
 
@@ -41,6 +41,21 @@ const licenseConfigDefaults = Object.freeze({
 // https://github.com/npm/npm-packlist/blob/53b2a4f42b7fef0f63e8f26a3ea4692e23a58fed/lib/index.js#L284-L286
 const licenseFiles = [/^license/i, /^licence/i, /^copying/i]
 
+// Unlike `findNearestMainPackageData`, a manifest is only accepted when it has both a `name` and a `version`. Dual ESM/CJS packages ship type-marker
+// package.json files (e.g. `build/esm/package.json`) that carry a `name` but no `version` or license information, so the walk must continue up to the real package root to produce a complete license entry.
+function findLicensePackageData(
+  basedir: string,
+  packageCache: PackageCache,
+): PackageData | null {
+  let pkgData = findNearestPackageData(basedir, packageCache)
+  while (pkgData && !(pkgData.data.name && pkgData.data.version)) {
+    const parentDir = path.dirname(pkgData.dir)
+    if (parentDir === pkgData.dir) return null
+    pkgData = findNearestPackageData(parentDir, packageCache)
+  }
+  return pkgData
+}
+
 export function licensePlugin(): Plugin {
   return {
     name: 'vite:license',
@@ -62,7 +77,7 @@ export function licensePlugin(): Plugin {
           if (moduleId.startsWith('\0') || !isInNodeModules(moduleId)) continue
 
           // Find the dependency package.json
-          const pkgData = findNearestMainPackageData(
+          const pkgData = findLicensePackageData(
             path.dirname(moduleId),
             packageCache,
           )