Function ajax

ajax<T>(log, options): {
done: ((cb) => void);
}
Simplified version of jQuery's ajax method based on XMLHttpRequest.

Uses cordova's http plugin when installed.

Only supports JSON requests.
Type Parameters
- T
Parameters
- log: Logger
- options: CdvPurchase.Utils.Ajax.Options<T>
Returns {
done: ((cb) => void);
}
- done: ((cb) => void)
  - - (cb): void
    - Parameters
      cb: (() => void)
      (): void
      Returns void
      Returns void