test: fix invoke.spec.js on windows

Author: yyx990803

packages/@vue/cli/__tests__/invoke.spec.js

@@ -4,8 +4,12 @@ jest.mock('inquirer')
 const invoke = require('../lib/invoke')
 const { expectPrompts } = require('inquirer')
 const create = require('@vue/cli-test-utils/createTestProject')
-const stringifyJS = require('javascript-stringify')
-const toJS = v => `module.exports = ${stringifyJS(v, null, 2)}`
+
+const parseJS = file => {
+  const res = {}
+  ;(new Function('module', file))(res)
+  return res.exports
+}
 
 async function createAndInstall (name) {
   const project = await create(name, {
@@ -28,11 +32,11 @@ async function assertUpdates (project) {
     'pre-commit': 'lint-staged'
   })
 
-  const eslintrc = await project.read('.eslintrc.js')
-  expect(eslintrc).toEqual(toJS({
+  const eslintrc = parseJS(await project.read('.eslintrc.js'))
+  expect(eslintrc).toEqual({
     root: true,
     extends: ['plugin:vue/essential', '@vue/airbnb']
-  }))
+  })
 
   const lintedMain = await project.read('src/main.js')
   expect(lintedMain).toMatch(';') // should've been linted in post-generate hook
@@ -80,11 +84,11 @@ test('invoke with existing files', async () => {
   // mock existing vue.config.js
   await project.write('vue.config.js', `module.exports = { lintOnSave: true }`)
 
-  const eslintrc = await project.read('.eslintrc.js')
-  expect(eslintrc).toEqual(toJS({
+  const eslintrc = parseJS(await project.read('.eslintrc.js'))
+  expect(eslintrc).toEqual({
     root: true,
     extends: ['plugin:vue/essential', 'eslint:recommended']
-  }))
+  })
 
   await project.run(`${require.resolve('../bin/vue')} invoke eslint --config airbnb --lintOn commit`)
 
@@ -106,11 +110,11 @@ test('invoke with existing files (yaml)', async () => {
   pkg.devDependencies['@vue/cli-plugin-eslint'] = '*'
   await project.write('package.json', JSON.stringify(pkg, null, 2))
 
-  const eslintrc = await project.read('.eslintrc.js')
-  expect(eslintrc).toEqual(toJS({
+  const eslintrc = parseJS(await project.read('.eslintrc.js'))
+  expect(eslintrc).toEqual({
     root: true,
     extends: ['plugin:vue/essential', 'eslint:recommended']
-  }))
+  })
 
   await project.rm(`.eslintrc.js`)
   await project.write(`.eslintrc.yml`, `