Check the length of a ngRepeat array after the initial filtering before applying limitTo for further refinement

Currently, I am implementing pagination in my Angular application by using a custom startAtIndex filter along with the limitTo filter. My goal is to show the total number of results in the dataset, regardless of the current page. However, due to the use of limitTo, the array is cut off at that point, making it difficult to retrieve the length property.

This is how my ngRepeat looks:

ng-repeat-start="colleague in pagination.filteredData = (colleagueDataArray | filter:{name: queries.name} | filter:{client: queries.client} | filter:queries.generalQuery | orderBy:sortByField:reverseSort | startFrom: pagination.startAtIndex | limitTo:pagination.pageSize)">

By assigning the filtered results to the pagination.filteredData object, I can then access its length within the controller using 

{{pagination.filteredData.length}}
.

I am wondering if there is a way to determine the length of the filtered array before applying the startAtIndex and limitBy filters. Is it possible to partially filter the colleagueDataArray array, and then apply additional filtering within the ngRepeat?

If this explanation is unclear, please let me know so I can provide further clarification.

javascriptarraysangularjspagination

Answer №1

Implement a personalized filter function for your specific needs.

ng-repeat="entry in largeDataSet | filter:customFilter"

$scope.customFilter = function(entry)
{
    // Perform some custom logic here
    // For example, checking the length of the dataset

    if($scope.largeDataSet.length > 2)
    {
        return true; // Include this entry in the filtered results
    }

    return false; // Exclude this entry from the filtered results
};

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