npm-polymer-elements/gold-cc-expiration-input/date-validator.html

Polymer Elements package for npm

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@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
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-->

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../iron-validator-behavior/iron-validator-behavior.html">

<script>

  Polymer({

    is: 'date-validator',

    behaviors: [
      Polymer.IronValidatorBehavior
    ],

    validate: function(date) {
      if (!date)
        return false;

      if (date.month > 12 || date.month < 1)
        return false;

      var then = new Date ('20' + date.year, date.month);
      var now = new Date();
      return (then > now);
    }

  });

</script>