ionic 4 this.platform.ready never ready using capacitor without cordova

[guzuomuse]

Description:

this.platform.ready().then(()=>{
//can't access here,that's say the platform ready never 'ready'!
})

Steps to Reproduce:
ionic start
select N when ask install cordova

Output:

My ionic info:

Ionic:

   ionic (Ionic CLI)          : 4.0.0-rc.8 (C:\Users\cao\AppData\Roaming\npm\node_modules\ionic)
   Ionic Framework            : @ionic/angular 4.0.0-alpha.7
   @angular-devkit/core       : 0.7.0-rc.0
   @angular-devkit/schematics : 0.7.0-rc.0
   @angular/cli               : 6.0.8
   @ionic/ng-toolkit          : 1.0.0-rc.8
   @ionic/schematics-angular  : 1.0.0-rc.8

Capacitor:

   capacitor (Capacitor CLI) : 1.0.0-beta.0
   @capacitor/core           : 1.0.0-beta.0

System:

   NodeJS : v8.9.4 (C:\Program Files\nodejs\node.exe)
   npm    : 6.1.0
   OS     : Windows 10

[ionitron-bot]

Thanks for the issue! We use this issue tracker exclusively for bug reports and feature requests for the Ionic CLI. It appears that this issue is associated with the Ionic Framework. I am moving this issue to the Ionic Framework repository. Please track this issue over there.

Thank you for using Ionic!

[ionitron-bot]

Issue moved to: ionic-team/ionic-framework#14647