From 63ccde84e9cee2c1dbc33fb55ce30907804d682f Mon Sep 17 00:00:00 2001
From: Guillaume Chau <alphadelta.fg@gmail.com>
Date: Mon, 12 Mar 2018 13:57:00 +0100
Subject: [PATCH] feat(ui): install/uninstall plugin

---
 .../src/components/InstantSearchInput.vue     |  5 +
 .../@vue/cli-ui/src/components/ItemLogo.vue   | 21 +++-
 .../src/components/PackageSearchItem.vue      | 10 ++
 .../@vue/cli-ui/src/graphql-api/channels.js   |  1 +
 .../src/graphql-api/connectors/plugins.js     | 95 ++++++++++++++++++-
 .../src/graphql-api/connectors/progress.js    |  2 +
 .../@vue/cli-ui/src/graphql-api/resolvers.js  | 16 +++-
 .../@vue/cli-ui/src/graphql-api/type-defs.js  | 14 ++-
 .../@vue/cli-ui/src/graphql/pluginInstall.gql |  7 ++
 .../cli-ui/src/graphql/pluginInstallation.gql |  7 ++
 .../graphql/pluginInstallationFragment.gql    |  8 ++
 .../@vue/cli-ui/src/graphql/pluginInvoke.gql  |  7 ++
 .../cli-ui/src/graphql/pluginUninstall.gql    |  7 ++
 .../cli-ui/src/graphql/progressFragment.gql   |  1 +
 .../cli-ui/src/graphql/progressRemoved.gql    |  3 +
 packages/@vue/cli-ui/src/mixins/Progress.js   | 49 +++++++---
 packages/@vue/cli-ui/src/style/main.styl      |  3 +
 .../cli-ui/src/views/ProjectPluginsAdd.vue    | 90 +++++++++++++++---
 packages/@vue/cli/lib/util/installDeps.js     | 20 ++++
 19 files changed, 331 insertions(+), 35 deletions(-)
 create mode 100644 packages/@vue/cli-ui/src/graphql/pluginInstall.gql
 create mode 100644 packages/@vue/cli-ui/src/graphql/pluginInstallation.gql
 create mode 100644 packages/@vue/cli-ui/src/graphql/pluginInstallationFragment.gql
 create mode 100644 packages/@vue/cli-ui/src/graphql/pluginInvoke.gql
 create mode 100644 packages/@vue/cli-ui/src/graphql/pluginUninstall.gql
 create mode 100644 packages/@vue/cli-ui/src/graphql/progressRemoved.gql

diff --git a/packages/@vue/cli-ui/src/components/InstantSearchInput.vue b/packages/@vue/cli-ui/src/components/InstantSearchInput.vue
index f0a774c5d..647a0faa4 100644
--- a/packages/@vue/cli-ui/src/components/InstantSearchInput.vue
+++ b/packages/@vue/cli-ui/src/components/InstantSearchInput.vue
@@ -1,6 +1,7 @@
 <template>
   <div class="instant-search-input">
     <VueInput
+      ref="input"
       icon-left="search"
       v-model="query"
       class="big"
@@ -55,6 +56,10 @@ export default {
       }
       this.searchStore.start()
       this.searchStore.refresh()
+    },
+
+    focus () {
+      this.$refs.input.focus()
     }
   }
 }
diff --git a/packages/@vue/cli-ui/src/components/ItemLogo.vue b/packages/@vue/cli-ui/src/components/ItemLogo.vue
index ba48ab4db..1e801cbec 100644
--- a/packages/@vue/cli-ui/src/components/ItemLogo.vue
+++ b/packages/@vue/cli-ui/src/components/ItemLogo.vue
@@ -4,6 +4,7 @@
     :class="{
       selected,
       loaded,
+      error,
       vuejs: image && image.includes('vuejs')
     }"
   >
@@ -13,11 +14,12 @@
         icon="done"
       />
       <img
-        v-else-if="image"
+        v-else-if="image && !error"
         class="image"
         :src="image"
         :key="image"
         @load="loaded = true"
+        @error="error = true"
       >
       <VueIcon
         v-else
@@ -48,13 +50,20 @@ export default {
 
   data () {
     return {
-      loaded: false
+      loaded: false,
+      error: false
     }
   },
 
   watch: {
-    image (value) {
+    image: 'reset',
+    selected: 'reset'
+  },
+
+  methods: {
+    reset () {
       this.loaded = false
+      this.error = false
     }
   }
 }
@@ -97,10 +106,14 @@ export default {
       animation zoom .1s
       transform none
 
+  &.selected,
+  &.error
+    .wrapper
+      animation zoom .1s
+
   &.selected
     .wrapper
       background $vue-color-primary
-      animation zoom .1s
       .vue-icon
         >>> svg
           fill $vue-color-light
diff --git a/packages/@vue/cli-ui/src/components/PackageSearchItem.vue b/packages/@vue/cli-ui/src/components/PackageSearchItem.vue
index 55d2cfd9f..68ae0a64b 100644
--- a/packages/@vue/cli-ui/src/components/PackageSearchItem.vue
+++ b/packages/@vue/cli-ui/src/components/PackageSearchItem.vue
@@ -31,6 +31,10 @@
             attribute-name="description"
           />
         </span>
+        <span v-if="official" class="info">
+          <VueIcon icon="star" class="top medium"/>
+          <span>Official</span>
+        </span>
         <span class="info downloads">
           <VueIcon class="medium" icon="file_download"/>
           <span>{{ pkg.humanDownloadsLast30Days }}</span>
@@ -56,6 +60,12 @@ export default {
       type: Boolean,
       default: false
     }
+  },
+
+  computed: {
+    official () {
+      return this.pkg.owner.name === 'vuejs'
+    }
   }
 }
 </script>
diff --git a/packages/@vue/cli-ui/src/graphql-api/channels.js b/packages/@vue/cli-ui/src/graphql-api/channels.js
index 6fd0584af..0419e583a 100644
--- a/packages/@vue/cli-ui/src/graphql-api/channels.js
+++ b/packages/@vue/cli-ui/src/graphql-api/channels.js
@@ -1,5 +1,6 @@
 module.exports = {
   CWD_CHANGED: 'cwd_changed',
   PROGRESS_CHANGED: 'progress_changed',
+  PROGRESS_REMOVED: 'progress_removed',
   CONSOLE_LOG_ADDED: 'console_log_added'
 }
diff --git a/packages/@vue/cli-ui/src/graphql-api/connectors/plugins.js b/packages/@vue/cli-ui/src/graphql-api/connectors/plugins.js
index 7b8da2204..e6386fdc6 100644
--- a/packages/@vue/cli-ui/src/graphql-api/connectors/plugins.js
+++ b/packages/@vue/cli-ui/src/graphql-api/connectors/plugins.js
@@ -1,11 +1,24 @@
 const path = require('path')
 const fs = require('fs')
 const LRU = require('lru-cache')
-const { isPlugin, isOfficialPlugin, getPluginLink } = require('@vue/cli-shared-utils')
+const {
+  isPlugin,
+  isOfficialPlugin,
+  getPluginLink,
+  hasYarn
+} = require('@vue/cli-shared-utils')
 const getPackageVersion = require('@vue/cli/lib/util/getPackageVersion')
+const {
+  progress: installProgress,
+  installPackage,
+  uninstallPackage
+} = require('@vue/cli/lib/util/installDeps')
+const { loadOptions } = require('@vue/cli/lib/options')
 
 const cwd = require('./cwd')
 const folders = require('./folders')
+const prompts = require('./prompts')
+const progress = require('./progress')
 
 const metadataCache = new LRU({
   max: 200,
@@ -16,6 +29,11 @@ const logoCache = new LRU({
   max: 50
 })
 
+const PROGRESS_ID = 'plugin-installation'
+
+let currentPluginId
+let eventsInstalled = false
+
 function getPath (id) {
   return path.join(cwd.get(), 'node_modules', id)
 }
@@ -108,9 +126,82 @@ async function getLogo ({ id }, context) {
   return null
 }
 
+function getInstallation (context) {
+  if (!eventsInstalled) {
+    eventsInstalled = true
+
+    // Package installation progress events
+    installProgress.on('progress', value => {
+      if (progress.get(PROGRESS_ID)) {
+        progress.set({ id: PROGRESS_ID, progress: value }, context)
+      }
+    })
+    installProgress.on('log', message => {
+      if (progress.get(PROGRESS_ID)) {
+        progress.set({ id: PROGRESS_ID, info: message }, context)
+      }
+    })
+  }
+
+  return {
+    id: 'plugin-install',
+    pluginId: currentPluginId,
+    prompts: prompts.list()
+  }
+}
+
+function install (id, context) {
+  return progress.wrap(PROGRESS_ID, context, async setProgress => {
+    setProgress({
+      status: 'plugin-install',
+      args: [id]
+    })
+
+    currentPluginId = id
+
+    const packageManager = loadOptions().packageManager || (hasYarn() ? 'yarn' : 'npm')
+    await installPackage(cwd.get(), packageManager, null, id)
+
+    return getInstallation(context)
+  })
+}
+
+function uninstall (id, context) {
+  return progress.wrap(PROGRESS_ID, context, async setProgress => {
+    setProgress({
+      status: 'plugin-uninstall',
+      args: [id]
+    })
+
+    currentPluginId = id
+
+    const packageManager = loadOptions().packageManager || (hasYarn() ? 'yarn' : 'npm')
+    await uninstallPackage(cwd.get(), packageManager, null, id)
+
+    return getInstallation(context)
+  })
+}
+
+function invoke (id, context) {
+  return progress.wrap(PROGRESS_ID, context, async setProgress => {
+    setProgress({
+      status: 'plugin-invoke',
+      args: [id]
+    })
+
+    currentPluginId = id
+    // TODO
+    return getInstallation(context)
+  })
+}
+
 module.exports = {
   list,
   getVersion,
   getDescription,
-  getLogo
+  getLogo,
+  getInstallation,
+  install,
+  uninstall,
+  invoke
 }
diff --git a/packages/@vue/cli-ui/src/graphql-api/connectors/progress.js b/packages/@vue/cli-ui/src/graphql-api/connectors/progress.js
index 9de2630d0..2dace9e05 100644
--- a/packages/@vue/cli-ui/src/graphql-api/connectors/progress.js
+++ b/packages/@vue/cli-ui/src/graphql-api/connectors/progress.js
@@ -15,6 +15,7 @@ function set (data, context) {
       status: null,
       error: null,
       info: null,
+      args: null,
       progress: -1
     }, progress))
   } else {
@@ -25,6 +26,7 @@ function set (data, context) {
 }
 
 function remove (id, context) {
+  context.pubsub.publish(channels.PROGRESS_REMOVED, { progressRemoved: { id } })
   return map.delete(id)
 }
 
diff --git a/packages/@vue/cli-ui/src/graphql-api/resolvers.js b/packages/@vue/cli-ui/src/graphql-api/resolvers.js
index 9fd1022ef..470388514 100644
--- a/packages/@vue/cli-ui/src/graphql-api/resolvers.js
+++ b/packages/@vue/cli-ui/src/graphql-api/resolvers.js
@@ -42,7 +42,8 @@ module.exports = {
     foldersFavorite: (root, args, context) => folders.listFavorite(context),
     projects: (root, args, context) => projects.list(context),
     projectCurrent: (root, args, context) => projects.getCurrent(context),
-    projectCreation: (root, args, context) => projects.getCreation(context)
+    projectCreation: (root, args, context) => projects.getCreation(context),
+    pluginInstallation: (root, args, context) => plugins.getInstallation(context)
   },
 
   Mutation: {
@@ -60,7 +61,10 @@ module.exports = {
     projectImport: (root, { input }, context) => projects.import(input, context),
     projectOpen: (root, { id }, context) => projects.open(id, context),
     projectRemove: (root, { id }, context) => projects.remove(id, context),
-    projectCwdReset: (root, args, context) => projects.resetCwd(context)
+    projectCwdReset: (root, args, context) => projects.resetCwd(context),
+    pluginInstall: (root, { id }, context) => plugins.install(id, context),
+    pluginUninstall: (root, { id }, context) => plugins.uninstall(id, context),
+    pluginInvoke: (root, { id }, context) => plugins.invoke(id, context)
   },
 
   Subscription: {
@@ -75,6 +79,14 @@ module.exports = {
         (payload, variables) => payload.progressChanged.id === variables.id
       )
     },
+    progressRemoved: {
+      subscribe: withFilter(
+        // Iterator
+        (parent, args, { pubsub }) => pubsub.asyncIterator(channels.PROGRESS_REMOVED),
+        // Filter
+        (payload, variables) => payload.progressRemoved.id === variables.id
+      )
+    },
     consoleLogAdded: {
       subscribe: (parent, args, context) => {
         logs.init(context)
diff --git a/packages/@vue/cli-ui/src/graphql-api/type-defs.js b/packages/@vue/cli-ui/src/graphql-api/type-defs.js
index 638fba6b6..cf144e259 100644
--- a/packages/@vue/cli-ui/src/graphql-api/type-defs.js
+++ b/packages/@vue/cli-ui/src/graphql-api/type-defs.js
@@ -84,10 +84,15 @@ type Plugin {
   website: String
   description: String
   githubStats: GitHubStats
-  prompts: [Prompt]
   logo: String
 }
 
+type PluginInstallation {
+  id: ID!
+  pluginId: ID
+  prompts: [Prompt]
+}
+
 type Feature {
   id: ID!
   name: String!
@@ -145,6 +150,7 @@ type Progress {
   error: String
   # Progress from 0 to 1 (-1 means disabled)
   progress: Float
+  args: [String]
 }
 
 type Query {
@@ -157,6 +163,7 @@ type Query {
   projects: [Project]
   projectCurrent: Project
   projectCreation: ProjectCreation
+  pluginInstallation: PluginInstallation
 }
 
 type Mutation {
@@ -172,12 +179,15 @@ type Mutation {
   projectCwdReset: String
   presetApply (id: ID!): ProjectCreation
   featureSetEnabled (id: ID!, enabled: Boolean): Feature
-  pluginAdd (id: ID!): Plugin
   promptAnswer (input: PromptInput!): [Prompt]
+  pluginInstall (id: ID!): PluginInstallation
+  pluginUninstall (id: ID!): PluginInstallation
+  pluginInvoke (id: ID!): PluginInstallation
 }
 
 type Subscription {
   progressChanged (id: ID!): Progress
+  progressRemoved (id: ID!): ID
   consoleLogAdded: ConsoleLog!
   cwdChanged: String!
 }
diff --git a/packages/@vue/cli-ui/src/graphql/pluginInstall.gql b/packages/@vue/cli-ui/src/graphql/pluginInstall.gql
new file mode 100644
index 000000000..bf2d6b838
--- /dev/null
+++ b/packages/@vue/cli-ui/src/graphql/pluginInstall.gql
@@ -0,0 +1,7 @@
+#import "./pluginInstallationFragment.gql"
+
+mutation pluginInstall ($id: ID!) {
+  pluginInstall (id: $id) {
+    ...pluginInstallation
+  }
+}
diff --git a/packages/@vue/cli-ui/src/graphql/pluginInstallation.gql b/packages/@vue/cli-ui/src/graphql/pluginInstallation.gql
new file mode 100644
index 000000000..563d016cc
--- /dev/null
+++ b/packages/@vue/cli-ui/src/graphql/pluginInstallation.gql
@@ -0,0 +1,7 @@
+#import "./pluginInstallationFragment.gql"
+
+query pluginInstallation {
+  pluginInstallation {
+    ...pluginInstallation
+  }
+}
diff --git a/packages/@vue/cli-ui/src/graphql/pluginInstallationFragment.gql b/packages/@vue/cli-ui/src/graphql/pluginInstallationFragment.gql
new file mode 100644
index 000000000..56287a5ed
--- /dev/null
+++ b/packages/@vue/cli-ui/src/graphql/pluginInstallationFragment.gql
@@ -0,0 +1,8 @@
+#import "./promptFragment.gql"
+
+fragment pluginInstallation on PluginInstallation {
+  id
+  prompts {
+    ...prompt
+  }
+}
diff --git a/packages/@vue/cli-ui/src/graphql/pluginInvoke.gql b/packages/@vue/cli-ui/src/graphql/pluginInvoke.gql
new file mode 100644
index 000000000..a6c35bd05
--- /dev/null
+++ b/packages/@vue/cli-ui/src/graphql/pluginInvoke.gql
@@ -0,0 +1,7 @@
+#import "./pluginInstallationFragment.gql"
+
+mutation pluginInvoke ($id: ID!) {
+  pluginInvoke (id: $id) {
+    ...pluginInstallation
+  }
+}
diff --git a/packages/@vue/cli-ui/src/graphql/pluginUninstall.gql b/packages/@vue/cli-ui/src/graphql/pluginUninstall.gql
new file mode 100644
index 000000000..f0ffdb11a
--- /dev/null
+++ b/packages/@vue/cli-ui/src/graphql/pluginUninstall.gql
@@ -0,0 +1,7 @@
+#import "./pluginInstallationFragment.gql"
+
+mutation pluginUninstall ($id: ID!) {
+  pluginUninstall (id: $id) {
+    ...pluginInstallation
+  }
+}
diff --git a/packages/@vue/cli-ui/src/graphql/progressFragment.gql b/packages/@vue/cli-ui/src/graphql/progressFragment.gql
index 633cb11de..ad8870f68 100644
--- a/packages/@vue/cli-ui/src/graphql/progressFragment.gql
+++ b/packages/@vue/cli-ui/src/graphql/progressFragment.gql
@@ -4,4 +4,5 @@ fragment progress on Progress {
   info
   error
   progress
+  args
 }
diff --git a/packages/@vue/cli-ui/src/graphql/progressRemoved.gql b/packages/@vue/cli-ui/src/graphql/progressRemoved.gql
new file mode 100644
index 000000000..c2ffbf2fd
--- /dev/null
+++ b/packages/@vue/cli-ui/src/graphql/progressRemoved.gql
@@ -0,0 +1,3 @@
+subscription progressRemoved ($id: ID!) {
+  progressRemoved (id: $id)
+}
diff --git a/packages/@vue/cli-ui/src/mixins/Progress.js b/packages/@vue/cli-ui/src/mixins/Progress.js
index 712b0701c..357d4960b 100644
--- a/packages/@vue/cli-ui/src/mixins/Progress.js
+++ b/packages/@vue/cli-ui/src/mixins/Progress.js
@@ -1,5 +1,6 @@
 import PROGRESS from '../graphql/progress.gql'
 import PROGRESS_CHANGED from '../graphql/progressChanged.gql'
+import PROGRESS_REMOVED from '../graphql/progressRemoved.gql'
 
 const messages = {
   'creating': 'Creating project...',
@@ -9,7 +10,10 @@ const messages = {
   'deps-install': 'Installing additional dependencies...',
   'completion-hooks': 'Running completion hooks...',
   'fetch-remote-preset': `Fetching remote preset...`,
-  'done': 'Successfully created project'
+  'done': 'Successfully created project',
+  'plugin-install': 'Installing {{arg0}}',
+  'plugin-uninstall': 'Uninstalling {{arg0}}',
+  'plugin-invoke': 'Invoking {{arg0}}'
 }
 
 // @vue/component
@@ -36,19 +40,34 @@ export default {
         }
       },
       fetchPolicy: 'network-only',
-      subscribeToMore: {
-        document: PROGRESS_CHANGED,
-        variables () {
-          return {
-            id: this.progressId
+      subscribeToMore: [
+        {
+          document: PROGRESS_CHANGED,
+          variables () {
+            return {
+              id: this.progressId
+            }
+          },
+          updateQuery: (previousResult, { subscriptionData }) => {
+            return {
+              progress: subscriptionData.data.progressChanged
+            }
           }
         },
-        updateQuery: (previousResult, { subscriptionData }) => {
-          return {
-            progress: subscriptionData.data.progressChanged
+        {
+          document: PROGRESS_REMOVED,
+          variables () {
+            return {
+              id: this.progressId
+            }
+          },
+          updateQuery: () => {
+            return {
+              progress: null
+            }
           }
         }
-      }
+      ]
     }
   },
 
@@ -61,7 +80,15 @@ export default {
       if (!this.progress) return null
 
       const { status } = this.progress
-      const message = messages[status]
+      let message = messages[status]
+      if (message && this.progress.args) {
+        for (let i = 0, l = this.progress.args.length; i < l; i++) {
+          message = message.replace(
+            new RegExp(`{{arg${i}}}`, 'g'),
+            this.progress.args[i]
+          )
+        }
+      }
       return message || status || ''
     }
   }
diff --git a/packages/@vue/cli-ui/src/style/main.styl b/packages/@vue/cli-ui/src/style/main.styl
index 1114a6931..1eeb9937b 100644
--- a/packages/@vue/cli-ui/src/style/main.styl
+++ b/packages/@vue/cli-ui/src/style/main.styl
@@ -69,6 +69,9 @@ ansi-colors('white', $vue-color-light)
   overflow-y auto
   margin $padding-item 0
 
+.ais-no-results
+  margin-top 42px
+
 .ais-highlight
   em
     font-style normal
diff --git a/packages/@vue/cli-ui/src/views/ProjectPluginsAdd.vue b/packages/@vue/cli-ui/src/views/ProjectPluginsAdd.vue
index 73c37cad5..8be07750b 100644
--- a/packages/@vue/cli-ui/src/views/ProjectPluginsAdd.vue
+++ b/packages/@vue/cli-ui/src/views/ProjectPluginsAdd.vue
@@ -32,10 +32,11 @@
                   attributesToHighlight: [
                     'name',
                     'description'
-                  ]
+                  ],
+                  // filters: `keywords:vue-cli-plugin`
                 }"
               >
-                <InstantSearchInput/>
+                <InstantSearchInput ref="searchInput"/>
                 <ais-results>
                   <PackageSearchItem
                     slot-scope="{ result }"
@@ -44,6 +45,12 @@
                     @click.native="selectedId = result.name"
                   />
                 </ais-results>
+                <ais-no-results>
+                  <div class="vue-empty">
+                    <VueIcon icon="search" class="huge"/>
+                    <div>No results found</div>
+                  </div>
+                </ais-no-results>
                 <InstantSearchPagination/>
               </ais-index>
             </div>
@@ -61,7 +68,7 @@
               </div>
 
               <VueButton
-                icon-left="add"
+                icon-left="file_download"
                 :label="`Install ${selectedId || 'plugin'}`"
                 class="big primary"
                 :disabled="!selectedId"
@@ -136,10 +143,19 @@
         />
       </div>
     </VueModal>
+
+    <ProgressScreen
+      progress-id="plugin-installation"
+    />
   </div>
 </template>
 
 <script>
+import PLUGIN_INSTALLATION from '../graphql/pluginInstallation.gql'
+import PLUGIN_INSTALL from '../graphql/pluginInstall.gql'
+import PLUGIN_UNINSTALL from '../graphql/pluginUninstall.gql'
+import PROMPT_ANSWER from '../graphql/promptAnswer.gql'
+
 export default {
   name: 'ProjectPluginsAdd',
 
@@ -148,7 +164,15 @@ export default {
       tabId: 'search',
       selectedId: null,
       enabledPrompts: [],
-      showCancelInstall: false
+      showCancelInstall: false,
+      pluginInstallation: null
+    }
+  },
+
+  apollo: {
+    pluginInstallation: {
+      query: PLUGIN_INSTALLATION,
+      fetchPolicy: 'netork-only'
     }
   },
 
@@ -158,14 +182,29 @@ export default {
     }
   },
 
+  mounted () {
+    requestAnimationFrame(() => {
+      this.$refs.searchInput.focus()
+    })
+  },
+
   methods: {
     cancel () {
       this.$router.push({ name: 'project-home' })
     },
 
-    installPlugin () {
-      // TODO
-      this.tabId = 'config'
+    async installPlugin () {
+      try {
+        await this.$apollo.mutate({
+          mutation: PLUGIN_INSTALL,
+          variables: {
+            id: this.selectedId
+          }
+        })
+        this.tabId = 'config'
+      } catch(e) {
+        console.error(e)
+      }
     },
 
     cancelInstall ()  {
@@ -174,18 +213,41 @@ export default {
       this.showCancelInstall = false
     },
 
-    uninstallPlugin () {
-      // TODO
-      this.cancelInstall()
+    async uninstallPlugin () {
+      this.showCancelInstall = false
+      try {
+        await this.$apollo.mutate({
+          mutation: PLUGIN_UNINSTALL,
+          variables: {
+            id: this.selectedId
+          }
+        })
+        this.cancelInstall()
+      } catch(e) {
+        console.error(e)
+      }
     },
 
-    invokePlugin () {
+    async invokePlugin () {
       // TODO
     },
 
-    answerPrompt () {
-      // TODO
-    }
+    async answerPrompt ({ prompt, value }) {
+      await this.$apollo.mutate({
+        mutation: PROMPT_ANSWER,
+        variables: {
+          input: {
+            id: prompt.id,
+            value: JSON.stringify(value)
+          }
+        },
+        update: (store, { data: { promptAnswer } }) => {
+          const data = store.readQuery({ query: PLUGIN_INSTALLATION })
+          data.pluginInstallation.prompts = promptAnswer
+          store.writeQuery({ query: PLUGIN_INSTALLATION, data })
+        }
+      })
+    },
   }
 }
 </script>
diff --git a/packages/@vue/cli/lib/util/installDeps.js b/packages/@vue/cli/lib/util/installDeps.js
index 1bc9e4575..a1ebb1fff 100644
--- a/packages/@vue/cli/lib/util/installDeps.js
+++ b/packages/@vue/cli/lib/util/installDeps.js
@@ -281,3 +281,23 @@ exports.installPackage = async function (targetDir, command, cliRegistry, packag
 
   await executeCommand(command, args, targetDir)
 }
+
+exports.uninstallPackage = async function (targetDir, command, cliRegistry, packageName) {
+  const args = []
+  if (command === 'npm') {
+    args.push('uninstall', '--loglevel', 'error')
+  } else if (command === 'yarn') {
+    args.push('remove')
+  } else {
+    throw new Error(`Unknown package manager: ${command}`)
+  }
+
+  await addRegistryToArgs(command, args, cliRegistry)
+
+  args.push(packageName)
+
+  debug(`command: `, command)
+  debug(`args: `, args)
+
+  await executeCommand(command, args, targetDir)
+}