diff --git a/packages/vite/src/node/packages.ts b/packages/vite/src/node/packages.ts
index 468fc4cbb0595b..5d50f285ee3fa5 100644
--- a/packages/vite/src/node/packages.ts
+++ b/packages/vite/src/node/packages.ts
@@ -6,6 +6,7 @@ import {
isInNodeModules,
normalizePath,
safeRealpathSync,
+ stripBomTag,
tryStatSync,
} from './utils'
import type { Plugin } from './plugin'
@@ -175,7 +176,7 @@ export function findNearestMainPackageData(
}
export function loadPackageData(pkgPath: string): PackageData {
- const data = JSON.parse(fs.readFileSync(pkgPath, 'utf-8'))
+ const data = JSON.parse(stripBomTag(fs.readFileSync(pkgPath, 'utf-8')))
const pkgDir = normalizePath(path.dirname(pkgPath))
const { sideEffects } = data
let hasSideEffects: (id: string) => boolean | null
diff --git a/playground/resolve/__tests__/resolve.spec.ts b/playground/resolve/__tests__/resolve.spec.ts
index e12ddecedb5c0d..ba5e6441dc7edb 100644
--- a/playground/resolve/__tests__/resolve.spec.ts
+++ b/playground/resolve/__tests__/resolve.spec.ts
@@ -248,3 +248,7 @@ test.runIf(isBuild)('public dir is not copied', async () => {
fs.existsSync(path.resolve(testDir, 'dist/should-not-be-copied')),
).toBe(false)
})
+
+test('import utf8-bom package', async () => {
+ expect(await page.textContent('.utf8-bom-package')).toMatch('[success]')
+})
diff --git a/playground/resolve/index.html b/playground/resolve/index.html
index 8c315f74dcd2c1..f1480b0a9b3e52 100644
--- a/playground/resolve/index.html
+++ b/playground/resolve/index.html
@@ -176,6 +176,9 @@ resolve package that contains # in path
resolve non normalized absolute path
+utf8-bom-package
+fail
+