fix: 微信登录补充保存username和role

node_modules/licia/isDir.js

@@ -0,0 +1,21 @@
+const root = require('./root');
+
+const fs = require('fs');
+
+exports = function(path) {
+    return new root.Promise(function(resolve, reject) {
+        fs.stat(path, function(err, stats) {
+            if (err) {
+                if (err.code === 'ENOENT') {
+                    resolve(false);
+                } else {
+                    reject(err);
+                }
+            } else {
+                resolve(stats.isDirectory());
+            }
+        });
+    });
+};
+
+module.exports = exports;