From 05417e32e32a521e1b3ba2161819c77d21c2cf22 Mon Sep 17 00:00:00 2001
From: moonkop <moonkop@qq.com>
Date: Fri, 15 Nov 2019 11:58:26 +0800
Subject: [PATCH] =?UTF-8?q?feat(cli):=E7=BB=99config=E7=9A=84copy=E5=8A=A0?=
 =?UTF-8?q?=E4=B8=8Awatch=E9=80=89=E9=A1=B9,=E4=BD=BF=E4=B9=8B=E5=8F=AF?=
 =?UTF-8?q?=E4=BB=A5=E7=9B=91=E5=90=AC=E5=B9=B6=E5=A4=8D=E5=88=B6?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 packages/taro-cli/src/util/index.ts | 10 ++++++++++
 packages/taro-cli/src/util/types.ts |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/packages/taro-cli/src/util/index.ts b/packages/taro-cli/src/util/index.ts
index e3b6271cd2a5..73300589cf61 100644
--- a/packages/taro-cli/src/util/index.ts
+++ b/packages/taro-cli/src/util/index.ts
@@ -11,6 +11,7 @@ import * as minimatch from 'minimatch'
 import * as t from 'babel-types'
 import * as yauzl from 'yauzl'
 import * as findWorkspaceRoot from 'find-yarn-workspace-root'
+import * as chokidar from 'chokidar';
 
 import defaultBabelConfig from '../config/babel'
 import defaultUglifyConfig from '../config/uglify'
@@ -559,6 +560,15 @@ export function copyFiles (appPath: string, copyConfig: ICopyOptions | void) {
             }
           }
           copyFileSync(from, to, copyOptions)
+	        if (pattern.watch){
+		        const watcher = chokidar.watch(from,{
+			        persistent: true,
+			        ignoreInitial: true
+		        })
+		        watcher.on('change',(res) => {
+			        copyFileSync(from, to, copyOptions);
+		        })
+	        }
         } else {
           printLog(processTypeEnum.ERROR, '拷贝失败', `${pattern.from} 文件不存在！`)
         }
diff --git a/packages/taro-cli/src/util/types.ts b/packages/taro-cli/src/util/types.ts
index d72957ae87db..2150a62092f0 100644
--- a/packages/taro-cli/src/util/types.ts
+++ b/packages/taro-cli/src/util/types.ts
@@ -73,7 +73,8 @@ export interface ICopyOptions {
   patterns: {
     from: string,
     to: string,
-    ignore?: string[]
+    ignore?: string[],
+    watch?: boolean
   }[],
   options: {
     ignore?: string[]