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Plugins/sorting/nepali-numbers.mjs

76 lines
1.7 KiB
JavaScript

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/*! © SpryMedia Ltd, David Konrad - datatables.net/license */
import jQuery from 'jquery';
import DataTable from 'datatables.net';
// Allow reassignment of the $ variable
let $ = jQuery;
/**
* Sorts a column containing nepali numbers. Nepali numbers can easily be
* mapped 1:1 to latin numbers - १ = 1, २ = 2, १२ = 12 and so on.
*
* <https://en.wikipedia.org/wiki/Numbers_in_Nepali_language>
* <http://www.imnepal.com/nepali-numbers>
* <http://stackoverflow.com/q/26856481/1407478>
* <http://jsfiddle.net/ft7f16yt>
*
* @name Nepali numbers
* @summary Sorts columns containing UTF8 nepali numbers
* @author David Konrad
*
* @example
* $('#example').DataTable( {
* columnDefs: [
* { type: 'nepali-numbers', targets: 0 }
* ]
* } );
*/
function nepaliToLatin(nepali) {
switch (nepali) {
case '':
return 0;
break;
case '१':
return 1;
break;
case '२':
return 2;
break;
case '३':
return 3;
break;
case '४':
return 4;
break;
case '५':
return 5;
break;
case '६':
return 6;
break;
case '७':
return 7;
break;
case '८':
return 8;
break;
case '९':
return 9;
break;
default:
return 0;
break;
}
}
DataTable.ext.type.order['nepali-numbers-pre'] = function (a) {
var latin = '', i = 0;
for (i; i < a.length; i++) {
latin += nepaliToLatin(a.charAt(i));
}
return parseInt(latin, 10);
};
export default DataTable;