Get contacts permissions on ios10

permissions.ios.ts

export class PermissionsClass {

	private static _contactStore: CNContactStore = CNContactStore.alloc().init()

	private _getContactsAuthorization(): CNAuthorizationStatus {
		return CNContactStore.authorizationStatusForEntityType(CNEntityType.Contacts)
	}

	isContactsAuthorized(): boolean {
		return this._getContactsAuthorization() == CNAuthorizationStatus.Authorized
	}

	isContactsDenied(): boolean {
		let status: CNAuthorizationStatus = this._getContactsAuthorization()
		let denied: boolean = (
			status == CNAuthorizationStatus.Denied
			||
			status == CNAuthorizationStatus.Restricted
		)
		return denied
	}

	requestContactsAuthorization(): Promise<boolean> {
		if (this._getContactsAuthorization() == CNAuthorizationStatus.Authorized) {
			return Promise.resolve(true)
		} else {
			return new Promise((resolve) => {
				PermissionsClass._contactStore.requestAccessForEntityTypeCompletionHandler(CNEntityType.Contacts, function completionHandler(result: boolean, error: NSError): void {
					if (error) {
						global.tnsconsole.error('requestAccessForEntityTypeCompletionHandler > error', error)
						resolve(false)
					} else {
						resolve(result)
					}
				})
			})
		}
	}
	
}

Then add to your info.plist:

<key>NSContactsUsageDescription</key>
<string>so we can spam everyone you know. duhhh</string>