inAppPurchase

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In-app purchases on Mac App Store.

Process: Main

Events

The inAppPurchase module emits the following events:

Event: 'transactions-updated'

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Returns:

• event Event
• transactions Transaction[] - Array of Transaction objects.

Emitted when one or more transactions have been updated.

Methods

The inAppPurchase module has the following methods:

inAppPurchase.purchaseProduct(productID[, opts])

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Version(s)	Changes
None	This method now returns a Promise instead of using a callback function.
>=24.0.0	Added username option to opts parameter.
None	API ADDED

• productID string
• opts Integer | Object (optional) - If specified as an integer, defines the quantity.
  • quantity Integer (optional) - The number of items the user wants to purchase.
  • username string (optional) - The string that associates the transaction with a user account on your service (applicationUsername).

Returns Promise<boolean> - Returns true if the product is valid and added to the payment queue.

You should listen for the transactions-updated event as soon as possible and certainly before you call purchaseProduct.

inAppPurchase.getProducts(productIDs)

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Version(s)	Changes
None	This method now returns a Promise instead of using a callback function.
None	API ADDED

• productIDs string[] - The identifiers of the products to get.

Returns Promise<Product[]> - Resolves with an array of Product objects.

Retrieves the product descriptions.

inAppPurchase.canMakePayments()

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Returns boolean - whether a user can make a payment.

inAppPurchase.restoreCompletedTransactions()

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Restores finished transactions. This method can be called either to install purchases on additional devices, or to restore purchases for an application that the user deleted and reinstalled.

The payment queue delivers a new transaction for each previously completed transaction that can be restored. Each transaction includes a copy of the original transaction.

inAppPurchase.getReceiptURL()

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Returns string - the path to the receipt.

inAppPurchase.finishAllTransactions()

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Completes all pending transactions.

inAppPurchase.finishTransactionByDate(date)

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• date string - The ISO formatted date of the transaction to finish.

Completes the pending transactions corresponding to the date.