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✅
Updating to Angular 2.0.0-beta.7 solves the problem.
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I had a similar issue with using chart.js when trying to create a line graph. All my data was showing as undefined. Not sure if your issue is the exact same as mine, but I can at least point you in the direction of my solution which was to use the Dynamic Component Loader.
Chart.js not showing in Angular2 if it doesn't exist on the main page
Source:stackexchange.com