fix(brolog) follow Brolog v1.0

src/brolog-env.ts

@@ -5,9 +5,7 @@
  *
  */
 // const log = require('npmlog')
-import { Brolog } from 'brolog'
-
-export let log: Brolog
+import log from 'brolog'
 
 const level = process.env['WECHATY_LOG']
 
@@ -16,14 +14,11 @@ const levelRegexStr = 'silly|verbose|info|warn|error|silent'
 const levelRegex = new RegExp(levelRegexStr, 'i')
 if (levelRegex.test(level)) {
   // log.level = level.toLowerCase()
-  log = new Brolog(level)
+  log.level(level)
   log.silly('Brolog', 'WECHATY_LOG set level to %s', level)
-} else {
-  log = new Brolog()
-  if (level) {
-    log.warn('Brolog', 'env WECHATY_LOG(%s) must be one of silly|verbose|info|warn|error|silent', level)
-  }
+} else if (level) {
+  log.warn('Brolog', 'env WECHATY_LOG(%s) must be one of silly|verbose|info|warn|error|silent', level)
 }
 
-export { Brolog }
-export default Brolog
+export { log }
+export default log

src/io-client.ts

@@ -16,11 +16,13 @@
  */
 // import Brolog   from 'brolog'
 
-import { Config }       from './config'
+import {
+  Config,
+  log as globalLog,
+}                       from './config'
 import { Io }           from './io'
 import { StateMonitor } from './state-monitor'
 import { Wechaty }      from './wechaty'
-import { Brolog }       from './brolog-env'
 
 export class IoClient {
 
@@ -31,7 +33,7 @@ export class IoClient {
 
   constructor(
     private token: string = Config.token || Config.DEFAULT_TOKEN,
-    private log: any = new Brolog(),
+    private log: any = globalLog,
   ) {
     if (!log) {
       const e = new Error('constructor() log(npmlog/brolog) must be set')