Fix IE compatibility issue, numeral errors on empty strings

-Array.prototype.find not supported yet in IE (switch to using regex)
-Check for empty string before calling numeral functions
-Avoid testing on alternate delimiters in numeral -- numeral does not seem to be returning
correct values

Author: ray-print

form-validator/sanitize.dev.js

@@ -67,14 +67,17 @@
           return this.insert(val, $input, 'left');
         },
         numberFormat : function(val, $input) {
+          if (val.length === 0) {
+            return val;
+          }
           if ( 'numeral' in window ) {
             //If this has been previously formatted, it needs to be unformatted first before being reformatted.
             //Else numeral will fail
             val = numeral().unformat(val);
             val = numeral(val).format( $input.attr('data-sanitize-number-format') );
           }
           else {
-            throw new Error('Using sanitation function "numberFormat" requires that you include numeral.js ' +
+            throw new ReferenceError('Using sanitation function "numberFormat" requires that you include numeral.js ' +
               '(http://numeraljs.com/)');
           }
           return val;

form-validator/src/core-validators.js

@@ -166,16 +166,16 @@
           allowsSteps = false;
 
         var sanitize = $el.attr('data-sanitize') || '';
-        var isFormattedWithNumeral = sanitize.split(/\s/).find(function (name) {
-          return (name === 'numberFormat');
-        });
+        var isFormattedWithNumeral = sanitize.match(/(^|[\s])numberFormat([\s]|$)/i);
         if (isFormattedWithNumeral) {
           if (!window.numeral) {
             throw new ReferenceError('The data-sanitize value numberFormat cannot be used without the numeral' +
               ' library. Please see Data Validation in http://www.formvalidator.net for more information.');
           }
           //Unformat input first, then convert back to String
-          val = String(numeral().unformat(val));
+          if (val.length) {
+            val = String(numeral().unformat(val));
+          }
         }
 
         if (allowing.indexOf('number') === -1) {

test/form.html

@@ -264,12 +264,16 @@
             <label class="control-label">Confirm e-mail</label>
             <input name="test" data-validation="confirmation" data-validation-confirm="testmail" />
         </div>
-      <div class="form-group">
+        <div class="form-group">
+          <!-- The numeral library appears to not parse correctly when periods are the thousands delimiter
+          and commas are the decimal delimiter. -->
             <label class="control-label">Number auto formatted '0,0.0000'</label>
             <input name="numeral" data-sanitize="numberFormat" data-sanitize-number-format="0,0.0000" />
-            <label class="control-label">Number format with numeral</label>
+        </div>
+        <div class="form-group">
+            <label class="control-label">Number format '0,0.0'</label>
             <input type="text" name="amount" data-validation="number" data-validation-allowing="float"
-                   data-sanitize="numberFormat"  data-sanitize-number-format="0.0,0">
+                   data-sanitize="numberFormat"  data-sanitize-number-format="0,0.0">
         </div>
         <div class="form-group">
             <label class="control-label">Alphanumeric (will only be validated if the checkbox is checked)</label>
@@ -454,24 +458,6 @@ <h2>Validation Module: Brazil</h2>
             console.log('Input '+this.name+' is '+validationResult);
         });
 
-  //Initialize numeral with the correct delimiters for the numberFormat sanitizer
-  numeral.language('it', {
-    delimiters: {
-      thousands: '.',
-      decimal: ','
-    },
-    abbreviations: {
-      thousand: 'k',
-      million: 'm',
-      billion: 'b',
-      trillion: 't'
-    },
-    currency: {
-      symbol: '€'
-    }
-  });
-  numeral.language('it');
-
 })(jQuery, window);
 </script>
 </body>

test/phantom-polyfills.js

@@ -11,7 +11,6 @@
 <div id="qunit-fixture"></div>
 <form id="dummy-form" style="visibility: hidden"></form>
 
-<script src="phantom-polyfills.js"></script>
 <script src="../node_modules/jquery/dist/jquery.min.js"></script>
 <script src="../node_modules/qunitjs/qunit/qunit.js"></script>
 <script src="../form-validator/jquery.form-validator.min.js"></script>