client/lib/cart/store/cart-synchronizer.js
function castProductIDsToNumbers( cartItems ) {
	return cartItems.map( function( item ) {
		return assign( {}, item, { product_id: parseInt( item.product_id, 10 ) } );
	} );
}
function castProductIDsToNumbers( cartItems ) {
	return cartItems.map( function( item ) {
		return assign( {}, item, { product_id: parseInt( item.product_id, 10 ) } );
	} );
}
function castProductIDsToNumbers ( cartItems ) { return cartItems . map ( function ( item ) { return assign ( { } , item , { product_id : parseInt ( item . product_id , 10 ) } ) ; } ) ; }
FIXME: Temporary fix to cast string product IDs to numbers. There is a bug with the API where it sometimes returns product IDs as strings.
FIXME : Temporary fix to cast string product IDs to numbers . There is a bug with the API where it sometimes returns product IDs as strings .