Sorting a custom numeric column in Jquery Datatables: Tips and Tricks

Within my data table, there exists a column that displays numeric values in formatted currency format such as "$5,66666.77 USD". Here is the segment of the Jquery table definition responsible for this column:

            data: "amount",
            orderable: true,
            searchable: false,
            render: (data, type, row) => {
                var formattedAmount = "$" + data.toFixed(2).replace(/(\d)(?=(\d{3})+\.)/g, "$1,") + " " + "USD";
                return formattedAmount;
            }

While sorting works correctly without the "USD" suffix, including it causes the sorting to treat the values like strings. Is there a workaround available for this issue? Can an alternate value be defined for the sort data?

The Typescript typings are being utilized here.

The "data" attribute accepts ObjectColumnData, which I attempted to use with a specified sort field, but it did not produce the intended result.

 interface ObjectColumnData {
        _: string;
        filter?: string;
        display?: string;
        type?: string;
        sort?: string;
    }

Do I need to create a custom sort function to address this situation?

Answer №1

To ensure proper formatting, it is recommended to return formatted values only when they will be displayed. For sorting, filtering, or type detection purposes, unformatted values can be returned.

Here's an example in JavaScript:

render: function(data, type, row){
    if(type === 'display'){
        data = "$" + data.toFixed(2).replace(/(\d)(?=(\d{3})+\.)/g, "$1,") + " " + "USD"; 
    }

    return data;
}

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