I have a pipe that is supposed to add the sub totals together to return the
grand total but it just returns the sub total. It returns sub_total =
product_price * quantity; and not the sum of the sub totals.
This is my pipe:
@Pipe({
name: 'grandtotal'
})
export class GrandTotalPipe implements PipeTransform {
transform(product_price: number, quantity: number) {
var totals = [];
var sub_total;
sub_total = product_price * quantity;
totals.push(sub_total);
var i;
var grand_total = 0;
for (i = 0; i < totals.length; i++) {
grand_total += totals[i];
}
return grand_total;
}
}
This is how I call the pipe in the HTML:
<div>Grand Total {{ product_price | grandtotal: quantity : sub_total :
grand_total : totals }}</div>
When I remove "var totals = [];", I get "cannot read property push of
undefined." When I just use "var totals;", I get "Subsequent variable
declarations must have the same type. Variable 'totals' must be of type
'any[]', but here has type 'any'."
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