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/**
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* Sorts a column containing nepali numbers. Nepali numbers can easily be
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* mapped 1:1 to latin numbers - १ = 1, २ = 2, १२ = 12 and so on.
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*
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* <https://en.wikipedia.org/wiki/Numbers_in_Nepali_language>
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* <http://www.imnepal.com/nepali-numbers>
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* <http://stackoverflow.com/q/26856481/1407478>
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* <http://jsfiddle.net/ft7f16yt>
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*
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* @name Nepali numbers
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* @summary Sorts columns containing UTF8 nepali numbers
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* @author [david konrad](davidkonrad at gmail com)
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*
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* @example
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* $('#example').DataTable( {
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* columnDefs: [
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* { type: 'nepali-numbers', targets: 0 }
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* ]
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* } );
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*/
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jQuery.extend( jQuery.fn.dataTableExt.oSort, {
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"nepali-numbers-pre" : function(a) {
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function nepaliToLatin(nepali) {
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switch(nepali) {
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case "०": return 0; break;
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case "१": return 1; break;
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case "२": return 2; break;
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case "३": return 3; break;
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case "४": return 4; break;
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case "५": return 5; break;
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case "६": return 6; break;
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case "७": return 7; break;
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case "८": return 8; break;
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case "९": return 9; break;
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default : return 0; break;
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}
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}
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var latin = '', i = 0;
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for (i; i<a.length; i++) {
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latin += nepaliToLatin(a.charAt(i))
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}
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return parseInt(latin)
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},
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"nepali-numbers-asc": function(a, b) {
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return ((a < b) ? -1 : ((a > b) ? 1 : 0))
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},
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"nepali-numbers-desc": function(a, b) {
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return ((a < b) ? 1 : ((a > b) ? -1 : 0))
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}
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} );
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