fix: upgrade debug and weapp-polyfill to deal with nullable navigator and userAgent

Author: leeyeh

Gruntfile.js

@@ -89,7 +89,7 @@ var require = require || function(id) {throw new Error('Unexpected required ' +
               include: ['node_modules/**', 'proto/**'],
             }),
             babel(Object.assign({}, babelConfigs, {
-              include: ['src/**', 'test/**', 'proto/**', 'node_modules/axios/**'],
+              include: ['src/**', 'test/**', 'proto/**', 'node_modules/axios/**', 'node_modules/weapp-polyfill/**'],
             })),
             env(),
           ],
@@ -177,6 +177,15 @@ var require = require || function(id) {throw new Error('Unexpected required ' +
           'dist/realtime.browser.min.js': ['dist/realtime.browser.js']
         }
       },
+      weapp: {
+        options: {
+          sourceMap: true,
+          sourceMapIn: 'dist/realtime.weapp.js.map'
+        },
+        files: {
+          'dist/realtime.weapp.min.js': ['dist/realtime.weapp.js']
+        }
+      },
       'typed-messages': {
         options: {
           sourceMap: true,
@@ -282,7 +291,8 @@ var require = require || function(id) {throw new Error('Unexpected required ' +
     [
       './plugins/typed-messages/dist/typed-messages.js',
       './plugins/webrtc/dist/webrtc.js',
-      './dist/realtime.browser.js'
+      './dist/realtime.browser.js',
+      './dist/realtime.weapp.js',
     ].forEach(file => {
       grunt.log.write('validate ' + file + ' ');
       var code = fs.readFileSync(file);

package.json

@@ -71,12 +71,12 @@
     "should-sinon": "0.0.5",
     "sinon": "2.0.0-pre",
     "validate-commit-msg": "^2.5.0",
-    "weapp-polyfill": "github:leancloud/weapp-polyfill#ad5053b"
+    "weapp-polyfill": "github:leancloud/weapp-polyfill#4c13db3"
   },
   "dependencies": {
     "axios": "^0.15.0",
     "babel-runtime": "^6.6.1",
-    "debug": "^2.2.0",
+    "debug": "^2.4.4",
     "eventemitter3": "^2.0.0",
     "javascript-state-machine": "^2.3.5",
     "lodash": "^4.6.0",