fix: 0 decimals treated as zero when parsing with exceptZero (#8236)

* +X format fix in NumberParser

* Fixed linting error

* Formatting revert

* Fixed testing error

* Fixed linting errors (again)

Author: shahbazianep

packages/@internationalized/number/src/NumberParser.ts

@@ -149,6 +149,7 @@ class NumberParserImpl {
       // javascript is bad at dividing by 100 and maintaining the same significant figures, so perform it on the string before parsing
       let isNegative = fullySanitizedValue.indexOf('-');
       fullySanitizedValue = fullySanitizedValue.replace('-', '');
+      fullySanitizedValue = fullySanitizedValue.replace('+', '');
       let index = fullySanitizedValue.indexOf('.');
       if (index === -1) {
         index = fullySanitizedValue.length;

packages/@internationalized/number/test/NumberParser.test.js

@@ -165,6 +165,21 @@ describe('NumberParser', function () {
       });
     });
 
+    it('should parse a percent with signs', function () {
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'always'}).parse('+10%')).toBe(0.1);
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'always'}).parse('+0%')).toBe(0);
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'always'}).parse('-10%')).toBe(-0.1);
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'always'}).parse('-0%')).toBe(-0);
+      expect(new NumberParser('en-US', {style: 'percent', signDisplay: 'exceptZero', minimumFractionDigits: 2}).parse('+0.50%')).toBe(0.005);
+    });
+
+    it('should parse a percent with decimals and exceptZero', function () {
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'exceptZero'}).parse('+0.532%')).toBe(0.01);
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'exceptZero'}).parse('+0%')).toBe(0);
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'exceptZero'}).parse('0.532%')).toBe(0.01);
+      expect(new NumberParser('en-GB', {style: 'percent', signDisplay: 'exceptZero'}).parse('-0.532%')).toBe(-0.01);
+    });
+
     describe('NumberFormat options', function () {
       it('supports roundingIncrement', function () {
         expect(new NumberParser('en-US', {roundingIncrement: 2}).parse('10')).toBe(10);