test: add case for no runtime code in build

package.json

@@ -33,6 +33,7 @@
     "@types/debug": "^4.1.5",
     "@types/fs-extra": "^9.0.11",
     "@types/jest": "^27.4.0",
+    "@types/klaw": "^3.0.3",
     "@types/node": "^14.14.31",
     "@types/prompts": "^2.0.13",
     "@types/rimraf": "^3.0.0",
@@ -52,6 +53,7 @@
     "jest": "^27.4.7",
     "jest-environment-node": "^27.4.6",
     "jest-serializer-path": "^0.1.15",
+    "klaw": "^4.0.1",
     "lint-staged": "^11.0.0",
     "minimist": "^1.2.5",
     "nodemon": "^2.0.15",

packages/vite-plugin-checker/__tests__/e2e/testUtils.ts

@@ -10,18 +10,18 @@ export const testPath = expect.getState().testPath
 export const testName = slash(testPath).match(/playground\/([\w-]+)\//)?.[1]
 export const testDir = path.resolve(process.env.JEST_ROOT_DIR!, `./temp/${testName}`)
 
-export function editFile(
-  filename: string,
-  replacer: (str: string) => string
-  // runInBuild: boolean = false
-): void {
-  // if (isBuild && !runInBuild) return
+export function editFile(filename: string, replacer: (str: string) => string): void {
   const filePath = path.resolve(testDir, filename)
   const content = fs.readFileSync(filePath, 'utf-8')
   const modified = replacer(content)
   fs.writeFileSync(filePath, modified)
 }
 
+export function editFileTo(filename: string, content: string): void {
+  const filePath = path.resolve(testDir, filename)
+  fs.writeFileSync(filePath, content)
+}
+
 export function expectStderrContains(str: string, expectedErrorMsg: string | string[]) {
   const errorMsgArr = Array.isArray(expectedErrorMsg) ? expectedErrorMsg : [expectedErrorMsg]
   errorMsgArr.forEach((msg) => {

playground/basic/__tests__/no-runtime-code-in-build.spec.ts

@@ -0,0 +1,43 @@
+import fs from 'fs/promises'
+import klaw from 'klaw'
+import path from 'path'
+import { preTest, viteBuild } from 'vite-plugin-checker/__tests__/e2e/Sandbox/Sandbox'
+import {
+  editFileTo,
+  sleep,
+  testDir,
+  WORKER_CLEAN_TIMEOUT,
+} from 'vite-plugin-checker/__tests__/e2e/testUtils'
+
+import { copyCode } from '../../../scripts/jestSetupFilesAfterEnv'
+import { serializers } from '../../../scripts/serializers'
+
+beforeAll(async () => {
+  await preTest()
+})
+
+expect.addSnapshotSerializer(serializers)
+
+afterAll(async () => {
+  await sleep(WORKER_CLEAN_TIMEOUT)
+})
+
+describe('no-runtime-code-in-build', () => {
+  beforeEach(async () => {
+    await copyCode()
+  })
+
+  it('test', async () => {
+    editFileTo('src/main.ts', `import { text } from './text'; console.log(text); export {}`)
+    await viteBuild({
+      cwd: testDir,
+    })
+
+    for await (const file of klaw(path.resolve(testDir, 'dist'))) {
+      if (file.stats.isFile()) {
+        const content = await fs.readFile(file.path, 'utf-8')
+        expect(content).not.toContain('vite-plugin-checker')
+      }
+    }
+  })
+})