feat!: redesigns vue upgrade, supports code migration

packages/@vue/cli-plugin-babel/migrator/index.js

@@ -0,0 +1,26 @@
+const { chalk } = require('@vue/cli-shared-utils')
+
+module.exports = (api) => {
+  // TODO: backport this part to v3
+  // if (api.fromVersion('<=3.5.3')) {
+  //   // add core-js@2 as dependency
+  //   api.extendPackage({
+  //     dependencies: {
+  //       'core-js': '^2.6.5'
+  //     }
+  //   })
+  // }
+
+  if (api.fromVersion('^3')) {
+    api.extendPackage({
+      dependencies: {
+        'core-js': '^3.1.2'
+      }
+    }, true)
+
+    // TODO: implement a codemod to migrate polyfills
+    api.exitLog(`core-js has been upgraded from v2 to v3.
+If you have any custom polyfills defined in ${chalk.yellow('babael.config.js')}, please be aware their names may have been changed.
+For more complete changelog, see https://github.com/zloirock/core-js/blob/master/CHANGELOG.md#300---20190319`)
+  }
+}

packages/@vue/cli-plugin-typescript/generator/index.js

@@ -3,6 +3,7 @@ module.exports = (api, {
   tsLint,
   lintOn = []
 }, _, invoking) => {
+  debugger
   if (typeof lintOn === 'string') {
     lintOn = lintOn.split(',')
   }

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

@@ -17,3 +17,4 @@
 
 exports.chalk = require('chalk')
 exports.execa = require('execa')
+exports.semver = require('semver')

packages/@vue/cli-shared-utils/lib/spinner.js

@@ -43,6 +43,10 @@ exports.resumeSpinner = () => {
   spinner.start()
 }
 
+exports.failSpinner = (text) => {
+  spinner.fail(text)
+}
+
 // silent all logs except errors during tests and keep record
 if (process.env.VUE_CLI_TEST) {
   require('./_silence')('spinner', exports)

packages/@vue/cli-ui/apollo-server/connectors/dependencies.js

@@ -211,7 +211,7 @@ function install ({ id, type, range }, context) {
       arg = id
     }
 
-    await installPackage(cwd.get(), getCommand(cwd.get()), null, arg, type === 'devDependencies')
+    await installPackage(cwd.get(), getCommand(cwd.get()), arg, type === 'devDependencies')
 
     logs.add({
       message: `Dependency ${id} installed`,
@@ -239,7 +239,7 @@ function uninstall ({ id }, context) {
 
     const dep = findOne(id, context)
 
-    await uninstallPackage(cwd.get(), getCommand(cwd.get()), null, id)
+    await uninstallPackage(cwd.get(), getCommand(cwd.get()), id)
 
     logs.add({
       message: `Dependency ${id} uninstalled`,
@@ -265,7 +265,7 @@ function update ({ id }, context) {
 
     const dep = findOne(id, context)
     const { current, wanted } = await getVersion(dep, context)
-    await updatePackage(cwd.get(), getCommand(cwd.get()), null, id)
+    await updatePackage(cwd.get(), getCommand(cwd.get()), id)
 
     logs.add({
       message: `Dependency ${id} updated from ${current} to ${wanted}`,
@@ -310,7 +310,7 @@ function updateAll (context) {
       args: [updatedDeps.length]
     })
 
-    await updatePackage(cwd.get(), getCommand(cwd.get()), null, updatedDeps.map(
+    await updatePackage(cwd.get(), getCommand(cwd.get()), updatedDeps.map(
       p => p.id
     ).join(' '))
 

packages/@vue/cli-ui/apollo-server/connectors/plugins.js

@@ -334,7 +334,7 @@ function install (id, context) {
     if (process.env.VUE_CLI_DEBUG && isOfficialPlugin(id)) {
       mockInstall(id, context)
     } else {
-      await installPackage(cwd.get(), getCommand(cwd.get()), null, id)
+      await installPackage(cwd.get(), getCommand(cwd.get()), id)
     }
     await initPrompts(id, context)
     installationStep = 'config'
@@ -412,7 +412,7 @@ function uninstall (id, context) {
     if (process.env.VUE_CLI_DEBUG && isOfficialPlugin(id)) {
       mockUninstall(id, context)
     } else {
-      await uninstallPackage(cwd.get(), getCommand(cwd.get()), null, id)
+      await uninstallPackage(cwd.get(), getCommand(cwd.get()), id)
     }
     currentPluginId = null
     installationStep = null
@@ -520,7 +520,7 @@ function update ({ id, full }, context) {
     if (localPath) {
       await updateLocalPackage({ cwd: cwd.get(), id, localPath, full }, context)
     } else {
-      await updatePackage(cwd.get(), getCommand(cwd.get()), null, id)
+      await updatePackage(cwd.get(), getCommand(cwd.get()), id)
     }
 
     logs.add({
@@ -583,7 +583,7 @@ async function updateAll (context) {
       args: [updatedPlugins.length]
     })
 
-    await updatePackage(cwd.get(), getCommand(cwd.get()), null, updatedPlugins.map(
+    await updatePackage(cwd.get(), getCommand(cwd.get()), updatedPlugins.map(
       p => p.id
     ).join(' '))