add the package name custom validate to take effect (#276)

* add name validate function for user custom and add test for it

* remove test only

Author: likun7981

lib/options.js

@@ -75,12 +75,15 @@ function setDefault (opts, key, val) {
 }
 
 function setValidateName (opts) {
-  opts.prompts.name.validate = function (name) {
+  var name = opts.prompts.name
+  var customValidate = name.validate
+  name.validate = function (name) {
     var its = validateName(name)
     if (!its.validForNewPackages) {
       var errors = (its.errors || []).concat(its.warnings || [])
       return 'Sorry, ' + errors.join(' and ') + '.'
     }
+    if (typeof customValidate === 'function') return customValidate(name)
     return true
   }
 }

test/e2e/mock-metadata-repo-js/meta.js

@@ -4,6 +4,14 @@ module.exports = {
       type: 'string',
       required: true,
       message: 'Project description'
+    },
+    name: {
+      type: 'string',
+      required: true,
+      label: 'Project name',
+      validate: function (input) {
+        return input === 'custom' ? 'can not input `custom`' : true
+      }
     }
   },
   helpers: {

test/e2e/test.js

@@ -157,11 +157,20 @@ describe('vue-cli', () => {
 
   it('validate input value', done => {
     // deep copy
-    var invalidName = extend({}, answers, {name: 'INVALID-NAME'})
+    var invalidName = extend({}, answers, { name: 'INVALID-NAME' })
     monkeyPatchInquirer(invalidName)
     generate('INVALID-NAME', MOCK_TEMPLATE_REPO_PATH, MOCK_TEMPLATE_BUILD_PATH, err => {
       expect(err).to.be.an('error')
       done()
     })
   })
+
+  it('custom validate', done => {
+    var invalidName = extend({}, answers, { name: 'custom' })
+    monkeyPatchInquirer(invalidName)
+    generate('test', MOCK_METADATA_REPO_JS_PATH, MOCK_TEMPLATE_BUILD_PATH, err => {
+      expect(err).to.be.an('error')
+      done()
+    })
+  })
 })