From 8aed14a10a1466560c418c9e7d3c0e5564e68d93 Mon Sep 17 00:00:00 2001
From: liaoyinglong <vigossliao@gmail.com>
Date: Sat, 28 Mar 2020 13:47:11 +0800
Subject: [PATCH] =?UTF-8?q?feat(transformer):=20=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=E7=8E=AF=E5=A2=83=E5=8F=98=E9=87=8F=E6=94=AF=E6=8C=81ts?=
 =?UTF-8?q?=E7=BC=96=E8=AF=91=E9=85=8D=E7=BD=AEemitDecoratorMetadata?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

close #3132
---
 packages/taro-transformer-wx/src/index.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/taro-transformer-wx/src/index.ts b/packages/taro-transformer-wx/src/index.ts
index b0d10f199ea6..f229e0eefeb6 100644
--- a/packages/taro-transformer-wx/src/index.ts
+++ b/packages/taro-transformer-wx/src/index.ts
@@ -239,7 +239,8 @@ export default function transform (options: TransformOptions): TransformResult {
       jsx: options.sourcePath.endsWith('.tsx') ? ts.JsxEmit.Preserve : ts.JsxEmit.None,
       target: ts.ScriptTarget.ESNext,
       importHelpers: true,
-      noEmitHelpers: true
+      noEmitHelpers: true,
+      emitDecoratorMetadata: process.env.TS_METADATA === 'true'
     })
     : options.code
   options.env = Object.assign({ 'process.env.TARO_ENV': options.adapter || 'weapp' }, options.env || {})