Generate Page into ts file

[iignatov]

Here is a good explanation (you can check out the linked post for more details):

@brandyshea

Just to clarify, running this command:

npm install -g ionic@beta

is updating the Ionic CLI…
…
If you want to update your version of the framework, you can modify the package.json where it says ionic-angular to the version you want, and then run npm install in the project directory…