Fallback to using the debug build (#42)

Add fallback to load the debug build

index.js

@@ -12,7 +12,12 @@ NativeBinding.prototype._init = function() {
     return;
   }
   this._tried = true;
-  this._keymapping = require('./build/Release/keymapping');
+  try {
+    this._keymapping = require('./build/Release/keymapping');
+  } catch (err) {
+    // fallback to the debug build
+    this._keymapping = require('./build/Debug/keymapping');
+  }
 };
 NativeBinding.prototype.getKeyMap = function() {
   try {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "native-keymap",
-  "version": "3.3.0",
+  "version": "3.3.1",
   "description": "Get OS key mapping",
   "main": "index.js",
   "typings": "index.d.ts",