Better existence check

src/index.js

@@ -6,6 +6,18 @@ let wrappedPlugins = {}
 
 let promised;
 
+function newPluginClass(config) {
+  let obj = {
+    installed: () => {
+      return config.pluginRef && window.hasOwnProperty(config.pluginRef);
+    }
+  }
+
+  obj.pluginCheck = config.pluginCheck || function() { return false; };
+
+  return obj;
+}
+
 // Go through each registered plugin
 for(let plugin of PluginConfig) {
   console.log('Plugin', plugin.className, plugin);
@@ -24,18 +36,6 @@ for(let plugin of PluginConfig) {
   wrappedPlugins[plugin.className] = cls;
 }
 
-function newPluginClass(config) {
-  let obj = {
-    installed: () => {
-      return obj.pluginCheck();
-    }
-  }
-
-  obj.pluginCheck = config.pluginCheck || function() { return false; };
-
-  return obj;
-}
-
 export {wrappedPlugins};
 
 window.Native = wrappedPlugins;

src/plugin-config.js

@@ -4,16 +4,12 @@ export var PluginConfig = [
     className: 'Camera',
     plugin: 'cordova-plugin-camera',
     promise: ['takePicture'],
-    pluginCheck: () => {
-      return !!navigator.camera;
-    }
+    pluginRef: 'navigator.camera'
   },
   {
     id: 'device',
     className: 'Device',
     plugin: 'cordova-plugin-device',
-    pluginCheck: () => {
-      return !!window.device;
-    }
+    pluginRef: 'device'
   }
 ]