corrade-nucleus-nucleons – Rev 20

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/**
 * @author: Brian Huisman
 * @webSite: http://www.greywyvern.com
 * @version: v1.0.0
 * JS functions to allow natural sorting on bootstrap-table columns
 * add data-sorter="alphanum" or data-sorter="numericOnly" to any th
 *
 * @update Dennis Hernández <http://djhvscf.github.io/Blog>
 * @update Duane May
 */

function alphanum(a, b) {
  function chunkify(t) {
    var tz = [],
        x = 0,
        y = -1,
        n = 0,
        i,
        j;

    while (i = (j = t.charAt(x++)).charCodeAt(0)) {
      var m = (i === 46 || (i >= 48 && i <= 57));
      if (m !== n) {
        tz[++y] = "";
        n = m;
      }
      tz[y] += j;
    }
    return tz;
  }

  function stringfy(v) {
    if (typeof(v) === "number") {
      v = "" + v;
    }
    if (!v) {
      v = "";
    }
    return v;
  }

  var aa = chunkify(stringfy(a));
  var bb = chunkify(stringfy(b));

  for (x = 0; aa[x] && bb[x]; x++) {
    if (aa[x] !== bb[x]) {
      var c = Number(aa[x]),
          d = Number(bb[x]);

      if (c == aa[x] && d == bb[x]) {
        return c - d;
      } else {
          return (aa[x] > bb[x]) ? 1 : -1;
      }
    }
  }
  return aa.length - bb.length;
}

function numericOnly(a, b) {
    function stripNonNumber(s) {
        s = s.replace(new RegExp(/[^0-9]/g), "");
        return parseInt(s, 10);
    }

    return stripNonNumber(a) - stripNonNumber(b);
}
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