test(resolve): ssr deep import resolve (#13022)

playground/ssr-resolve/__tests__/ssr-resolve.spec.ts

@@ -15,5 +15,13 @@ test.runIf(isBuild)('correctly resolve entrypoints', async () => {
     new RegExp(`from ${_}@vitejs/test-resolve-pkg-exports/entry${_}`),
   )
 
+  expect(contents).toMatch(
+    new RegExp(`from ${_}@vitejs/test-deep-import/foo/index.js${_}`),
+  )
+
+  expect(contents).toMatch(
+    new RegExp(`from ${_}@vitejs/test-deep-import/bar${_}`),
+  )
+
   await expect(import(`${testDir}/dist/main.mjs`)).resolves.toBeTruthy()
 })

playground/ssr-resolve/deep-import/bar/package.json

@@ -0,0 +1,7 @@
+{
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "../utils/bar.js",
+  "module": "../utils/bar.js"
+}

playground/ssr-resolve/deep-import/foo/index.js

@@ -0,0 +1 @@
+export default 'foo'

playground/ssr-resolve/deep-import/foo/package.json

@@ -0,0 +1,6 @@
+{
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "module": "./index.js"
+}

playground/ssr-resolve/deep-import/index.js

@@ -0,0 +1,3 @@
+export { default as foo } from './foo'
+export { default as bar } from './bar'
+export default 'external-nested'

playground/ssr-resolve/deep-import/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "@vitejs/test-deep-import",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "module": "index.js"
+}

playground/ssr-resolve/deep-import/utils/bar.js

@@ -0,0 +1 @@
+export default 'bar'

playground/ssr-resolve/main.js

@@ -4,9 +4,13 @@ import dirEntry from '@vitejs/test-entries/dir'
 import fileEntry from '@vitejs/test-entries/file'
 // has `exports` key, should resolve to pkg-exports/entry
 import pkgExportsEntry from '@vitejs/test-resolve-pkg-exports/entry'
+import deepFoo from '@vitejs/test-deep-import/foo'
+import deepBar from '@vitejs/test-deep-import/bar'
 
 export default `
   entries/dir: ${dirEntry}
   entries/file: ${fileEntry}
   pkg-exports/entry: ${pkgExportsEntry}
+  deep-import/foo: ${deepFoo}
+  deep-import/bar: ${deepBar}
 `

playground/ssr-resolve/package.json

@@ -8,6 +8,7 @@
   },
   "dependencies": {
     "@vitejs/test-entries": "file:./entries",
-    "@vitejs/test-resolve-pkg-exports": "file:./pkg-exports"
+    "@vitejs/test-resolve-pkg-exports": "file:./pkg-exports",
+    "@vitejs/test-deep-import": "file:./deep-import"
   }
 }