What are the steps to apply an AngularJS filter for formatting values within an array?

Question

What are the steps to apply an AngularJS filter for formatting values within an array?

While I have experience using angular filters for formatting primitive values like numbers into currency formats, I am now faced with the challenge of applying the same filtering to an array of values. For example:

price = 1
prices = [1,2,3]

If I were to utilize the currency filter provided in https://docs.angularjs.org/api/ng/filter/currency, then:

{{price | currency}}

would result in $1.00.

My goal is to achieve a similar output when applying the currency filter to an array, such as:

{{prices | currency}}

and expect [$1.00,$2.00,$3.00] as the desired outcome. How can I create a filter to achieve this or should I explore alternative solutions?

A bit more context - I am working with this array within the angular-selectize plugin, where using ng-repeat on my values is not feasible.

javascript angularjs filter angular-filters selectize.js

Answer 1

Answer №1

When using the currency filter, keep in mind that it only applies to a single value at a time. If you need to apply a similar filter to an array of values, you will need to create your own custom filter like this:

angular.module('yourModule')
.filter('currenyArray', function($filter) {
  return function(input, uppercase) {
    input = input || [];
    var out = [];
    for (var i = 0; i < input.length; i++) {
      out.push($filter('currency')(input[i]))
    }
    return out;
  };
})

Just remember, this custom filter will output an array. If you require a string instead of an array, you will need to modify the function accordingly.

Answer 2

When using the currency filter, keep in mind that it only applies to a single value at a time. If you need to apply a similar filter to an array of values, you will need to create your own custom filter like this:

angular.module('yourModule')
.filter('currenyArray', function($filter) {
  return function(input, uppercase) {
    input = input || [];
    var out = [];
    for (var i = 0; i < input.length; i++) {
      out.push($filter('currency')(input[i]))
    }
    return out;
  };
})

Just remember, this custom filter will output an array. If you require a string instead of an array, you will need to modify the function accordingly.

What are the steps to apply an AngularJS filter for formatting values within an array?

Answer №1

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