Followed your code base but when running on localhost with Ionic 2, I get a parse error stating
//path/angular2-google-chart/directives/angular2-google-chart.directive.ts:1
import {Directive,ElementRef,Input,OnInit} from '@angular/core';
^
ParseError: 'import' and 'export' may appear only with 'sourceType: module'
Followed your code base but when running on localhost with Ionic 2, I get a parse error stating
//path/angular2-google-chart/directives/angular2-google-chart.directive.ts:1 import {Directive,ElementRef,Input,OnInit} from '@angular/core'; ^ ParseError: 'import' and 'export' may appear only with 'sourceType: module'
Is this an issue you can help with?