fixes #61

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [2.4.0]
+Fixed https://github.com/caseyryan/flutter_multi_formatter/issues/61
+Fixed orphan leading period formatting in strings like 
+$.5. Now they are formatted correctly to $0.5, not $500.00
 ## [2.3.8]
 One more small fix
 ## [2.3.7]

example/lib/main.dart

@@ -44,7 +44,7 @@ class _MyHomePageState extends State<MyHomePage> {
   @override
   void initState() {
     super.initState();
-    
+
     PhoneInputFormatter.addAlternativePhoneMasks(
       countryCode: 'NZ',
       alternativeMasks: [

example/pubspec.lock

@@ -96,7 +96,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.3.8"
+    version: "2.4.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter

lib/formatters/formatter_extension_methods.dart

@@ -25,7 +25,7 @@ THE SOFTWARE.
 */
 
 import 'money_input_enums.dart';
-import 'money_input_formatter.dart' as money;
+import 'money_input_formatter.dart' as moneyFormatter;
 
 /// WARNING! This stuff requires Dart SDK version 2.6+
 /// so if your code is supposed to be running on
@@ -52,20 +52,23 @@ extension NumericInputFormatting on num {
   /// end of your resulting string like 1,250€ instead of €1,250
   /// [useSymbolPadding] adds a space between the number and trailing / leading symbols
   /// like 1,250€ -> 1,250 € or €1,250€ -> € 1,250
-  String toCurrencyString(
-      {int mantissaLength = 2,
-      ThousandSeparator thousandSeparator = ThousandSeparator.Comma,
-      ShorteningPolicy shorteningPolicy = ShorteningPolicy.NoShortening,
-      String leadingSymbol = '',
-      String trailingSymbol = '',
-      bool useSymbolPadding = false}) {
-    return money.toCurrencyString(this.toString(),
-        mantissaLength: mantissaLength,
-        leadingSymbol: leadingSymbol,
-        shorteningPolicy: shorteningPolicy,
-        thousandSeparator: thousandSeparator,
-        trailingSymbol: trailingSymbol,
-        useSymbolPadding: useSymbolPadding);
+  String toCurrencyString({
+    int mantissaLength = 2,
+    ThousandSeparator thousandSeparator = ThousandSeparator.Comma,
+    ShorteningPolicy shorteningPolicy = ShorteningPolicy.NoShortening,
+    String leadingSymbol = '',
+    String trailingSymbol = '',
+    bool useSymbolPadding = false,
+  }) {
+    return moneyFormatter.toCurrencyString(
+      this.toString(),
+      mantissaLength: mantissaLength,
+      leadingSymbol: leadingSymbol,
+      shorteningPolicy: shorteningPolicy,
+      thousandSeparator: thousandSeparator,
+      trailingSymbol: trailingSymbol,
+      useSymbolPadding: useSymbolPadding,
+    );
   }
 }
 
@@ -94,7 +97,7 @@ extension StringInputFormatting on String {
       String leadingSymbol = '',
       String trailingSymbol = '',
       bool useSymbolPadding = false}) {
-    return money.toCurrencyString(this.toString(),
+    return moneyFormatter.toCurrencyString(this.toString(),
         mantissaLength: mantissaLength,
         leadingSymbol: leadingSymbol,
         shorteningPolicy: shorteningPolicy,

lib/formatters/formatter_utils.dart

@@ -37,10 +37,10 @@ String toNumericString(
   bool allowHyphen = true,
 }) {
   if (inputString == null) return '';
-
   var startsWithPeriod = numericStringStartsWithOrphanPeriod(
     inputString,
   );
+
   var regexWithoutPeriod = allowHyphen ? _digitRegExp : _positiveDigitRegExp;
   var regExp = allowPeriod ? _digitWithPeriodRegExp : regexWithoutPeriod;
   var result = inputString.splitMapJoin(

lib/formatters/money_input_formatter.dart

@@ -310,7 +310,9 @@ class MoneyInputFormatter extends TextInputFormatter {
         selection: selection,
         text: preparedText,
       );
-    } /// stop isErasing
+    }
+
+    /// stop isErasing
 
     bool oldStartsWithLeading = leadingSymbol.isNotEmpty &&
         oldValue.text.startsWith(
@@ -331,7 +333,7 @@ class MoneyInputFormatter extends TextInputFormatter {
     );
 
     /// This check is necessary because if an input looks like this
-    /// $.5, toCurrencyString() method will convert it to 
+    /// $.5, toCurrencyString() method will convert it to
     /// $0.5 and the selection must also be shifted by 1 symbol to the right
     var startsWithOrphanPeriod = numericStringStartsWithOrphanPeriod(newText);
     var formattedValue = toCurrencyString(
@@ -533,6 +535,10 @@ String toCurrencyString(
   bool useSymbolPadding = false,
 }) {
   var swapCommasAndPreriods = false;
+  if (mantissaLength <= 0) {
+    mantissaLength = 0;
+  }
+
   String? tSeparator;
   switch (thousandSeparator) {
     case ThousandSeparator.Comma:
@@ -555,6 +561,10 @@ String toCurrencyString(
   }
   // print(thousandSeparator);
   value = value.replaceAll(_repeatingDots, '.');
+  if (mantissaLength == 0) {
+    var substringEnd = value.lastIndexOf('.');
+    value = value.substring(0, substringEnd);
+  }
   value = toNumericString(value, allowPeriod: mantissaLength > 0);
   var isNegative = value.contains('-');
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_multi_formatter
 description: A package of formatters for international phone numbers, credit / debit cards and a masked formatter
-version: 2.3.8
+version: 2.4.0
 homepage: https://github.com/caseyryan/flutter_multi_formatter
 
 environment: