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

   1
   2
   3 (function() {
   4
   5   Polymer({
   6
   7     is: 'paper-input-char-counter',
   8
   9     behaviors: [
  10       Polymer.PaperInputAddonBehavior
  11     ],
  12
  13     properties: {
  14
  15       _charCounterStr: {
  16         type: String,
  17         value: '0'
  18       }
  19
  20     },
  21
  22     update: function(state) {
  23       if (!state.inputElement) {
  24         return;
  25       }
  26
  27       state.value = state.value || '';
  28
  29       // Account for the textarea's new lines.
  30       var str = state.value.replace(/(\r\n|\n|\r)/g, '--').length;
  31
  32       if (state.inputElement.hasAttribute('maxlength')) {
  33         str += '/' + state.inputElement.getAttribute('maxlength');
  34       }
  35       this._charCounterStr = str;
  36     }
  37
  38   });
  39
  40 })();
  41