fix: avoid util.promisify when resolving webpack.config.js

The file may be required by an IDE which uses an older version of Node.

close #1473

Author: yyx990803

packages/@vue/cli-shared-utils/index.js

@@ -14,4 +14,3 @@
 
 exports.chalk = require('chalk')
 exports.execa = require('execa')
-exports.cmdShim = require('util').promisify(require('cmd-shim'))

packages/@vue/cli-shared-utils/package.json

@@ -20,7 +20,6 @@
   "homepage": "https://github.com/vuejs/vue-cli/packages/@vue/cli-shared-utils#readme",
   "dependencies": {
     "chalk": "^2.3.0",
-    "cmd-shim": "^2.0.2",
     "execa": "^0.10.0",
     "joi": "^12.0.0",
     "node-ipc": "^9.1.1",

packages/@vue/cli/lib/Creator.js

@@ -14,7 +14,6 @@ const { clearConsole } = require('./util/clearConsole')
 const PromptModuleAPI = require('./PromptModuleAPI')
 const writeFileTree = require('./util/writeFileTree')
 const { formatFeatures } = require('./util/features')
-const setupDevProject = require('./util/setupDevProject')
 const fetchRemotePreset = require('./util/fetchRemotePreset')
 
 const {
@@ -134,7 +133,7 @@ module.exports = class Creator extends EventEmitter {
     this.emit('creation', { event: 'plugins-install' })
     if (isTestOrDebug) {
       // in development, avoid installation process
-      await setupDevProject(context)
+      await require('./util/setupDevProject')(context)
     } else {
       await installDeps(context, packageManager, cliOptions.registry)
     }

packages/@vue/cli/lib/util/linkBin.js

@@ -1,8 +1,9 @@
 // cross-platform executable link, mostly for Windows
+// this file is dev-only.
 
 const fs = require('fs-extra')
 const path = require('path')
-const { cmdShim } = require('@vue/cli-shared-utils')
+const cmdShim = require('util').promisify(require('cmd-shim'))
 
 exports.linkBin = async (src, dest) => {
   if (!process.env.VUE_CLI_TEST && !process.env.VUE_CLI_DEBUG) {

packages/@vue/cli/package.json

@@ -31,6 +31,7 @@
     "@vue/cli-ui": "^3.0.0-beta.15",
     "@vue/cli-ui-addon-webpack": "^3.0.0-beta.15",
     "chalk": "^2.3.0",
+    "cmd-shim": "^2.0.2",
     "commander": "^2.12.2",
     "debug": "^3.1.0",
     "deepmerge": "^2.0.1",