fix dynamic load puppet (#1437)

package.json

@@ -7,7 +7,7 @@
   "wechaty": {
     "DEFAULT_HEAD": 0,
     "DEFAULT_PORT": 8080,
-    "DEFAULT_PUPPET": "puppeteer",
+    "DEFAULT_PUPPET": "wechat4u",
     "DEFAULT_PROFILE": "default",
     "DEFAULT_PROTOCOL": "io|0.0.1",
     "DEFAULT_TOKEN": "WECHATY_IO_TOKEN",
@@ -95,6 +95,7 @@
     "memory-card": "^0.4.4",
     "mime": "^2.2.0",
     "npm-programmatic": "0.0.10",
+    "pkg-dir": "^3.0.0",
     "promise-retry": "^1.1.1",
     "qr-image": "^3.2.0",
     "raven": "^2.6.2",
@@ -104,6 +105,8 @@
     "state-switch": "^0.6.2",
     "watchdog": "^0.8.1",
     "wechaty-puppet": "^0.3.3",
+    "wechaty-puppet-padchat": "^0.2.11",
+    "wechaty-puppet-wechat4u": "^0.2.15",
     "ws": "^5.2.0",
     "xml2json": "^0.11.2"
   },
@@ -121,6 +124,7 @@
     "@types/mime": "^2.0.0",
     "@types/node": "^10.3.0",
     "@types/normalize-package-data": "^2.4.0",
+    "@types/pkg-dir": "^2.0.0",
     "@types/promise-retry": "^1.1.1",
     "@types/puppeteer": "^1.3.4",
     "@types/qr-image": "^3.2.1",

src/accessory.ts

@@ -57,11 +57,12 @@ export abstract class Accessory extends EventEmitter {
       return this._puppet
     }
 
-    log.error('Accessory', 'static get puppet() please see issue #1217: https://github.com/Chatie/wechaty/issues/1217')
-
-    throw new Error('static puppet not found for '
-                      + this.name,
-                    )
+    throw new Error([
+      'static puppet not found for ',
+      this.name,
+      ', ',
+      'please see issue #1217: https://github.com/Chatie/wechaty/issues/1217',
+    ].join(''))
   }
 
   /**

src/puppet-config.ts

@@ -2,11 +2,16 @@ import {
   Constructor,
 }                 from 'clone-class'
 import npm        from 'npm-programmatic'
+import pkgDir     from 'pkg-dir'
 
 import {
   Puppet,
 }                 from 'wechaty-puppet'
 
+import {
+  log,
+}                 from './config'
+
 export interface PuppetConfig {
   npm: string,
 }
@@ -47,21 +52,33 @@ export type PuppetName = keyof typeof PUPPET_DICT
 // | 'web'
 // | 'win32'
 
-export async function puppetResolver (puppet: PuppetName): Promise<typeof Puppet & Constructor<typeof Puppet>> {
+export async function puppetResolver (puppet: PuppetName): Promise<typeof Puppet & Constructor<Puppet>> {
+  log.verbose('PuppetConfig', 'puppetResolver(%s)', puppet)
+
   const config = PUPPET_DICT[puppet]
   if (!config) {
     throw new Error('no such puppet: ' + puppet)
   }
 
   // tslint:disable-next-line:variable-name
-  let MyPuppet: typeof Puppet & Constructor<typeof Puppet>
+  let puppetModule
 
   try {
-    MyPuppet = await import(config.npm)
+    puppetModule = await import(config.npm)
   } catch (e) {
-    await npm.install(config.npm)
-    MyPuppet = await import(config.npm)
+    log.info('PuppetConfig', 'puppetResolver(%s) not installed, prepare to install it ...', puppet)
+    await npm.install(
+      config.npm,
+      {
+        cwd  : await pkgDir(__dirname),
+        save : false,
+      },
+    )
+    log.info('PuppetConfig', 'puppetResolver(%s) install success', puppet)
+    puppetModule = await import(config.npm)
   }
 
-  return MyPuppet
+  log.silly('PuppetConfig', 'puppetResolver(%s) import success.', puppet)
+
+  return puppetModule.default as typeof Puppet & Constructor<typeof Puppet>
 }

src/wechaty.ts

@@ -469,7 +469,7 @@ export class Wechaty extends Accessory implements Sayable {
   }
 
   private async initPuppet(): Promise<void> {
-    log.verbose('Wechaty', 'initPuppet(%s)', this.options.puppet)
+    log.verbose('Wechaty', 'initPuppet() %s', this.options.puppet || '')
 
     let inited = false
     try {