refactor(plugin): invoke is now done in child process

packages/@vue/cli-service/lib/PluginAPI.js

@@ -166,8 +166,7 @@ class PluginAPI {
  } catch (e) {
  return fs.readFileSync(absolutePath, 'utf-8')
  }
- }
- else {
+ } else {
  return fs.readFileSync(absolutePath, 'utf-8')
  }
  }

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

@@ -27,15 +27,15 @@ const {
  getPluginLink,
  resolveModule,
  loadModule,
- clearModule
+ clearModule,
+ execa
 } = require('@vue/cli-shared-utils')
 const {
  progress: installProgress,
  installPackage,
  uninstallPackage,
  updatePackage
 } = require('@vue/cli/lib/util/installDeps')
-const invoke = require('@vue/cli/lib/invoke')
 const { getCommand } = require('../util/command')
 const ipc = require('../util/ipc')
 const { log } = require('../util/logger')
@@ -446,7 +446,32 @@ function runInvoke (id, context) {
  currentPluginId = id
  // Allow plugins that don't have a generator
  if (resolveModule(`${id}/generator`, cwd.get())) {
- await invoke(id, prompts.getAnswers(), cwd.get())
+ const child = execa('vue', [
+ 'invoke',
+ id,
+ '--$inlineOptions',
+ JSON.stringify(prompts.getAnswers())
+ ], {
+ cwd: cwd.get(),
+ stdio: ['inherit', 'pipe', 'inherit']
+ })
+
+ const onData = buffer => {
+ const text = buffer.toString().trim()
+ if (text) {
+ setProgress({
+ info: text
+ })
+ logs.add({
+ type: 'info',
+ message: text
+ }, context)
+ }
+ }
+
+ child.stdout.on('data', onData)
+
+ await child
  }
  // Run plugin api
  runPluginApi(id, getApi(cwd.get()), context)

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

@@ -84,8 +84,14 @@ async function invoke (pluginName, options = {}, context = process.cwd()) {
  // resolve options if no command line options (other than --registry) are passed,
  // and the plugin contains a prompt module.
  // eslint-disable-next-line prefer-const
- let { registry, ...pluginOptions } = options
- if (!Object.keys(pluginOptions).length) {
+ let { registry, $inlineOptions, ...pluginOptions } = options
+ if ($inlineOptions) {
+ try {
+ pluginOptions = JSON.parse($inlineOptions)
+ } catch (e) {
+ throw new Error(`Couldn't parse inline options JSON: ${e.message}`)
+ }
+ } else if (!Object.keys(pluginOptions).length) {
  let pluginPrompts = loadModule(`${id}/prompts`, context)
  if (pluginPrompts) {
  if (typeof pluginPrompts === 'function') {