From db3955ebdcebf24d9c66d843ef5a813323403957 Mon Sep 17 00:00:00 2001
From: "Zhuohuan LI (CARPE DIEM)" <zixia@zixia.net>
Date: Mon, 31 Oct 2016 18:33:24 +0800
Subject: [PATCH] code clean

---
 src/config.ts  | 7 +++++--
 src/contact.ts | 2 --
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/config.ts b/src/config.ts
index f0553e3c..7351e30f 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -7,6 +7,7 @@ import { execSync } from 'child_process'
 import * as fs from 'fs'
 
 import Puppet from './puppet'
+import log    from './brolog-env'
 
 export type PuppetName = 'web' | 'android' | 'ios'
 export type HeadName = 'chrome' | 'phantomjs' | 'firefox'
@@ -132,9 +133,11 @@ function isWechatyDocker() {
 function puppetInstance(instance?: Puppet | null): Puppet | void {
   if (instance !== undefined) {
     if (instance) {
+      log.verbose('Config', 'puppetInstance(%s)', instance.constructor.name)
       Config._puppetInstance = instance
       return instance
     }
+    log.verbose('Config', 'puppetInstance(null)')
     Config._puppetInstance = null
     return
   }
@@ -142,6 +145,7 @@ function puppetInstance(instance?: Puppet | null): Puppet | void {
   if (!Config._puppetInstance) {
     throw new Error('no puppet instance')
   }
+
   return Config._puppetInstance
 }
 
@@ -179,6 +183,5 @@ export interface Sleepable {
   sleep(millisecond: number): Promise<void>
 }
 
-export * from './brolog-env'
-
+export { log }
 export default Config
diff --git a/src/contact.ts b/src/contact.ts
index 854d4db4..64aa7a85 100644
--- a/src/contact.ts
+++ b/src/contact.ts
@@ -122,8 +122,6 @@ export class Contact implements Sayable {
     }
 
     if (!contactGetter) {
-      if (!Config.puppetInstance()) { throw new Error('Config.puppetInstance() is not found by Contact') }
-
       log.silly('Contact', 'get contact via ' + Config.puppetInstance().constructor.name)
       contactGetter = Config.puppetInstance()
                             .getContact.bind(Config.puppetInstance())
-- 
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