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| 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 | |
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