From 189d20aa298db73313afd2484867107b687cb06b Mon Sep 17 00:00:00 2001
From: fxy060608 <fxy060608@gmail.com>
Date: Mon, 28 Oct 2019 18:52:16 +0800
Subject: [PATCH] chore(cli): add perf msg

---
 packages/vue-cli-plugin-uni/lib/env.js | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/packages/vue-cli-plugin-uni/lib/env.js b/packages/vue-cli-plugin-uni/lib/env.js
index d8f523fd8..12f0077c2 100644
--- a/packages/vue-cli-plugin-uni/lib/env.js
+++ b/packages/vue-cli-plugin-uni/lib/env.js
@@ -178,6 +178,7 @@ const warningMsg =
     : `uni-app将于2019年11月1日起停止支持非自定义组件模式 [详情](https://ask.dcloud.net.cn/article/36385)`
 
 const needWarning = !platformOptions.usingComponents || usingComponentsAbsent
+let hasNVue = false
 // 输出编译器版本等信息
 if (process.env.UNI_USING_NATIVE) {
   console.log('当前nvue编译模式：' + (isNVueCompiler ? 'uni-app' : 'weex') +
@@ -195,9 +196,10 @@ if (process.env.UNI_USING_NATIVE) {
         info = '编译器版本：' + pagesPkg['uni-app']['compilerVersion']
       }
       const glob = require('glob')
-      if (glob.sync('pages/**/*.nvue', {
+      hasNVue = !!glob.sync('pages/**/*.nvue', {
         cwd: process.env.UNI_INPUT_DIR
-      }).length) {
+      }).length
+      if (hasNVue) {
         console.log(info)
         console.log(modeText)
         if (needWarning) {
@@ -219,6 +221,15 @@ if (process.env.UNI_USING_NATIVE) {
     }
   } catch (e) {}
 }
+if (process.env.NODE_ENV !== 'production') { // 运行模式性能提示
+  let perfMsg = `请注意运行时，因日志输出、sourcemap以及未压缩源码等原因，性能不如发行模式。`
+  if (hasNVue) { // app-nvue
+    perfMsg = perfMsg + `尤其是app-nvue的sourcemap影响较大`
+  } else if (process.env.UNI_PLATFORM.indexOf('mp-') === 0) { // 小程序
+    perfMsg = perfMsg + `请勿直接发布运行模式的代码`
+  }
+  console.log(perfMsg)
+}
 
 const moduleAlias = require('module-alias')
 
-- 
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