chore: webpack-bundle-analyzer to ^4.1.0 (#6092)

Fixes: #6091

Author: genie-youn

packages/@vue/cli-service/__tests__/build.spec.js

@@ -63,6 +63,30 @@ test('build', async () => {
   expect(h1Text).toMatch('Welcome to Your Vue.js App')
 })
 
+test('build with --report-json', async () => {
+  const project = await create('e2e-build-report-json', defaultPreset)
+
+  const { stdout } = await project.run('vue-cli-service build --report-json')
+  expect(stdout).toMatch('Build complete.')
+  // should generate report.json
+  expect(project.has('dist/report.json')).toBe(true)
+
+  const report = JSON.parse(await project.read('dist/report.json'))
+  // should contain entry points info
+  expect(report.entrypoints).toHaveProperty('app.chunks')
+  expect(report.entrypoints).toHaveProperty('app.assets')
+
+  const appChunk = report.chunks.find(chunk => chunk.id === 'app')
+  // Each chunk should contain meta info
+  expect(appChunk).toHaveProperty('rendered')
+  expect(appChunk).toHaveProperty('initial')
+  expect(appChunk).toHaveProperty('entry')
+  expect(appChunk).toHaveProperty('size')
+  expect(appChunk).toHaveProperty('names')
+  expect(appChunk).toHaveProperty('files')
+  expect(appChunk).toHaveProperty('modules')
+})
+
 afterAll(async () => {
   if (browser) {
     await browser.close()

packages/@vue/cli-service/package.json

@@ -75,7 +75,7 @@
     "vue-loader-v16": "npm:vue-loader@^16.1.0",
     "vue-style-loader": "^4.1.2",
     "webpack": "^4.0.0",
-    "webpack-bundle-analyzer": "^3.8.0",
+    "webpack-bundle-analyzer": "^4.1.0",
     "webpack-chain": "^6.4.0",
     "webpack-dev-server": "^3.11.0",
     "webpack-merge": "^4.2.2"