Ionic native googlemaps decodePath() returns undefined

Try this:

$> git clone https://github.com/wf9a5m75/ionic-native

$> cd ionic-native

$> node -v
v9.3.0  <-- important!

$> npm install

$> npm run build

$> cd (your project path)

$> npm uninstall @ionic-native/core @ionic-native/google-maps

$> npm install (path to ionic-native directory)/dist/\@ionic-native/core

$> npm install (path to ionic-native directory)/dist/\@ionic-native/google-maps

$> ionic cordova run android