third_party/polymer/v1_0/components-chromium/paper-input/paper-input-char-counter-extracted.js

   1 (function() {
   2
   3   Polymer({
   4
   5     is: 'paper-input-char-counter',
   6
   7     behaviors: [
   8       Polymer.PaperInputAddonBehavior
   9     ],
  10
  11     properties: {
  12
  13       _charCounterStr: {
  14         type: String,
  15         value: '0'
  16       }
  17
  18     },
  19
  20     update: function(state) {
  21       if (!state.inputElement) {
  22         return;
  23       }
  24
  25       state.value = state.value || '';
  26
  27       // Account for the textarea's new lines.
  28       var str = state.value.replace(/(\r\n|\n|\r)/g, '--').length;
  29
  30       if (state.inputElement.hasAttribute('maxlength')) {
  31         str += '/' + state.inputElement.getAttribute('maxlength');
  32       }
  33       this._charCounterStr = str;
  34     }
  35
  36   });
  37
  38 })();