#11 Do nothing if no mask specified

probil · Dec 23, 2016 · edefbd6 · edefbd6
1 parent e65703f
commit edefbd6
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Showing 2 changed files with 10 additions and 4 deletions.
diff --git a/dist/index.js b/dist/index.js
@@ -32,11 +32,14 @@ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { de
 
 function handler(_ref) {
   var target = _ref.target;
-  var previousValue = target.dataset.previousValue;
+  var _target$dataset = target.dataset;
+  var previousValue = _target$dataset.previousValue;
+  var mask = _target$dataset.mask;
 
+  if (!mask) return;
 
   if (typeof previousValue === 'string' && previousValue.length < target.value.length) {
-    target.value = (0, _format2.default)(target.value, target.dataset.mask);
+    target.value = (0, _format2.default)(target.value, mask);
   }
 
   target.dataset.previousValue = target.value;

diff --git a/src/index.js b/src/index.js
@@ -5,10 +5,13 @@ import format from './format.js';
  * @param {HTMLInputElement} target
  */
 function handler ({target}) {
-  let {previousValue} = target.dataset;
+  let {previousValue, mask} = target.dataset;
+
+  // do nothing if mask is not specified
+  if(!mask) return;
 
   if (typeof previousValue === 'string' && previousValue.length < target.value.length) {
-    target.value = format(target.value, target.dataset.mask);
+    target.value = format(target.value, mask);
   }
 
   target.dataset.previousValue = target.value;