Allow a null or undefined value to be given or set - treated as blank

Fixes #5
insin · Sep 11, 2015 · 932437e · 932437e
1 parent 707761e
commit 932437e
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/lib/index.js b/lib/index.js
@@ -470,6 +470,9 @@ InputMask.prototype.setSelection = function setSelection(selection) {
 }
 
 InputMask.prototype.setValue = function setValue(value) {
+  if (value == null) {
+    value = ''
+  }
   this.value = this.pattern.formatValue(value.split(''))
 }
 

diff --git a/test/index.js b/test/index.js
@@ -45,7 +45,7 @@ test('formatValueToPattern', function(t) {
 })
 
 test('Constructor options', function(t) {
-  t.plan(19)
+  t.plan(21)
 
   t.throws(function() { new InputMask() },
            /InputMask: you must provide a pattern./,
@@ -107,6 +107,12 @@ test('Constructor options', function(t) {
     }
   })
   t.equal(mask.getValue(), 'abc1+', 'Custom formatting charactes are used')
+
+  // Value can be null or undefined
+  mask = new InputMask({pattern: '111 111', value: null})
+  t.equal(mask.getValue(), '___ ___', 'null value treated as blank')
+  mask = new InputMask({pattern: '111 111', value: undefined})
+  t.equal(mask.getValue(), '___ ___', 'undefined value treated as blank')
 })
 
 test('Formatting characters', function(t) {