From c428b2205cafe3bc3479e72660c2b8adfd16c310 Mon Sep 17 00:00:00 2001
From: Huan LI <zixia@zixia.net>
Date: Fri, 20 Mar 2020 00:05:01 +0800
Subject: [PATCH] check duplicated wechaty-puppet module installed (#1930)

---
 src/puppet-manager.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/puppet-manager.ts b/src/puppet-manager.ts
index 963a5aad..14a20fbe 100644
--- a/src/puppet-manager.ts
+++ b/src/puppet-manager.ts
@@ -48,6 +48,14 @@ export class PuppetManager {
      */
     if (options.puppet instanceof Puppet) {
       puppetInstance = await this.resolveInstance(options.puppet)
+    } else if (typeof options.puppet !== 'string') {
+      log.error('PuppetManager', 'resolve() %s',
+        `
+        Wechaty Framework must keep only one Puppet instance #1930
+        See: https://github.com/wechaty/wechaty/issues/1930
+        `,
+      )
+      throw new Error('Wechaty Framework must keep only one Puppet instance #1930')
     } else {
       const MyPuppet = await this.resolveName(options.puppet)
       /**
-- 
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