grommet/utils/AlphaNum.js

The most advanced UX framework for enterprise applications.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
// (C) Copyright 2014-2016 Hewlett Packard Enterprise Development LP

exports.default = {
  // http://my.opera.com/GreyWyvern/blog/show.dml/1671288
  // Do not attempt to change '==' to '===' in the following
  // method. Avoid type comparison is done on purpose.
  compare: function compare(a, b) {
    function chunkify(t) {
      var tz = [],
          x = 0,
          y = -1,
          n = 0,
          i,
          j;
      while (t && (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;
    }

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

    for (var 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;
  }
};
module.exports = exports["default"];