Right node version

Author: wu-hui

package.json

@@ -107,7 +107,7 @@
     "firebase-tools": "11.27.0",
     "glob": "7.2.3",
     "http-server": "14.1.1",
-    "indexeddbshim": "12.0.0",
+    "indexeddbshim": "10.1.0",
     "inquirer": "8.2.5",
     "istanbul-instrumenter-loader": "3.0.1",
     "js-yaml": "4.1.0",