fix: --target for global build

packages/@vue/cli-service-global/index.js

@@ -8,7 +8,7 @@ const babelPlugin = toPlugin('@vue/cli-plugin-babel')
 const eslintPlugin = toPlugin('@vue/cli-plugin-eslint')
 const createConfigPlugin = require('./lib/createConfigPlugin')
 
-function createService (entry) {
+function resolveEntry (entry) {
   const context = process.cwd()
 
   entry = entry || findExisting(context, [
@@ -29,6 +29,13 @@ function createService (entry) {
     process.exit(1)
   }
 
+  return {
+    context,
+    entry
+  }
+}
+
+function createService (context, entry, asLib) {
   return new Service(context, {
     projectOptions: {
       compiler: true,
@@ -37,15 +44,21 @@ function createService (entry) {
     plugins: [
       babelPlugin,
       eslintPlugin,
-      createConfigPlugin(context, entry)
+      createConfigPlugin(context, entry, asLib)
     ]
   })
 }
 
-exports.serve = (entry, args) => {
-  createService(entry).run('serve', args)
+exports.serve = (_entry, args) => {
+  const { context, entry } = resolveEntry(_entry)
+  createService(context, entry).run('serve', args)
 }
 
-exports.build = (entry, args) => {
-  createService(entry).run('build', args)
+exports.build = (_entry, args) => {
+  const { context, entry } = resolveEntry(_entry)
+  const asLib = args.target && args.target !== 'app'
+  if (asLib) {
+    args.libEntry = entry
+  }
+  createService(context, entry, asLib).run('build', args)
 }

packages/@vue/cli-service-global/lib/createConfigPlugin.js

@@ -2,7 +2,7 @@ const path = require('path')
 const resolve = require('resolve')
 const { findExisting } = require('./util')
 
-module.exports = function createConfigPlugin (context, entry) {
+module.exports = function createConfigPlugin (context, entry, asLib) {
   return {
     id: '@vue/cli-service-global-config',
     apply: (api, options) => {
@@ -111,17 +111,22 @@ module.exports = function createConfigPlugin (context, entry) {
                 }
               }))
 
-        // set html plugin template
-        const indexFile = findExisting(context, [
-          'index.html',
-          'public/index.html'
-        ]) || path.resolve(__dirname, '../template/index.html')
-        config
-          .plugin('html')
-            .tap(() => [{ template: indexFile }])
+        if (!asLib) {
+          // set html plugin template
+          const indexFile = findExisting(context, [
+            'index.html',
+            'public/index.html'
+          ]) || path.resolve(__dirname, '../template/index.html')
+          config
+            .plugin('html')
+              .tap(args => {
+                args[0].template = indexFile
+                return args
+              })
+        }
 
         // disable copy plugin if no public dir
-        if (!findExisting(context, ['public'])) {
+        if (asLib || !findExisting(context, ['public'])) {
           config.plugins.delete('copy')
         }
       })

packages/@vue/cli-service/lib/commands/build/index.js

@@ -1,7 +1,7 @@
 const defaults = {
   mode: 'production',
   target: 'app',
-  entry: 'src/App.vue'
+  libEntry: 'src/App.vue'
 }
 
 module.exports = (api, options) => {
@@ -11,11 +11,13 @@ module.exports = (api, options) => {
     options: {
       '--mode': `specify env mode (default: ${defaults.mode})`,
       '--target': `app | lib | web-component (default: ${defaults.target})`,
-      '--entry': `entry for lib or web-component (default: ${defaults.entry})`,
-      '--name': `name for lib or web-component (default: "name" in package.json)`
+      '--libEntry': `entry for lib or web-component (default: ${defaults.entry})`,
+      '--libName': `name for lib or web-component (default: "name" in package.json)`
     }
   }, args => {
-    args = Object.assign({}, defaults, args)
+    for (const key in defaults) {
+      if (args[key] == null) args[key] = defaults[key]
+    }
     api.setMode(args.mode)
 
     const chalk = require('chalk')

packages/@vue/cli-service/lib/commands/build/resolveLibConfig.js

@@ -1,21 +1,21 @@
-module.exports = (api, { entry, name }) => {
+module.exports = (api, { libEntry, libName }) => {
   const genConfig = (format, postfix = format) => {
     api.chainWebpack(config => {
-      const libName = name || api.service.pkg.name
+      libName = libName || api.service.pkg.name || libEntry.replace(/\.(js|vue)$/, '')
 
       config.entryPoints.clear()
       // set proxy entry for *.vue files
-      if (/\.vue$/.test(entry)) {
+      if (/\.vue$/.test(libEntry)) {
         config
           .entry(`${libName}.${postfix}`)
             .add(require.resolve('./entry-lib.js'))
         config.resolve
           .alias
-            .set('~entry', api.resolve(entry))
+            .set('~entry', api.resolve(libEntry))
       } else {
         config
           .entry(`${libName}.${postfix}`)
-            .add(api.resolve(entry))
+            .add(api.resolve(libEntry))
       }
 
       config.output

packages/@vue/cli-service/lib/commands/build/resolveWebComponentConfig.js

@@ -1,21 +1,21 @@
-module.exports = (api, { entry, name }) => {
+module.exports = (api, { libEntry, libName }) => {
   const genConfig = postfix => {
     api.chainWebpack(config => {
-      const libName = name || api.service.pkg.name
+      libName = libName || api.service.pkg.name || libEntry.replace(/\.(js|vue)$/, '')
 
       config.entryPoints.clear()
       // set proxy entry for *.vue files
-      if (/\.vue$/.test(entry)) {
+      if (/\.vue$/.test(libEntry)) {
         config
           .entry(`${libName}.${postfix}`)
             .add(require.resolve('./entry-web-component.js'))
         config.resolve
           .alias
-            .set('~entry', api.resolve(entry))
+            .set('~entry', api.resolve(libEntry))
       } else {
         config
           .entry(`${libName}.${postfix}`)
-            .add(api.resolve(entry))
+            .add(api.resolve(libEntry))
       }
 
       config.output

packages/@vue/cli/bin/vue.js

@@ -64,9 +64,8 @@ program
 
 program
   .command('build [entry]')
-  .option('-t, --target', 'Build target (app, lib, web-component). Default: app')
-  .option('-f, --format', 'How the lib is exposed (iife, amd, cjs, umd). Default: umd')
-  .option('-n, --name', 'Library name for umd export')
+  .option('-t, --target <target>', 'Build target (app | lib | web-component, default: app)')
+  .option('-n, --libName <name>', 'name for lib or web-component')
   .description('build a .js or .vue file in production mode with zero config')
   .action((entry, cmd) => {
     loadCommand('build', '@vue/cli-service-global').build(entry, cleanArgs(cmd))