Issue #299 : Handle decimal values starting with ' . ' (#340)

* Handle decimal values starting with . * Handle all decimal separators.
cchanxzy · Feb 19, 2024 · 3b91498 · 3b91498
1 parent c5b0271
commit 3b91498
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diff --git a/src/components/utils/__tests__/formatValue.spec.ts b/src/components/utils/__tests__/formatValue.spec.ts
@@ -203,6 +203,18 @@ describe('formatValue', () => {
     ).toEqual('$30');
   });
 
+  it('should prefix decimal values correctly with zero', () => {
+    expect(
+      formatValue({
+        decimalSeparator: '.',
+        groupSeparator: ',',
+        decimalScale: 2,
+        prefix: '$',
+        value: '.02',
+      })
+    ).toEqual('$0.02');
+  });
+
   describe('negative values', () => {
     it('should handle negative values', () => {
       expect(

diff --git a/src/components/utils/formatValue.ts b/src/components/utils/formatValue.ts
@@ -79,11 +79,15 @@ export const formatValue = (options: FormatValueOptions): string => {
     _value
   );
 
-  const value =
+  let value =
     decimalSeparator !== '.'
       ? replaceDecimalSeparator(_value, decimalSeparator, isNegative)
       : _value;
 
+  if (decimalSeparator && decimalSeparator !== '-' && value.startsWith(decimalSeparator)) {
+    value = '0' + value;
+  }
+
   const defaultNumberFormatOptions = {
     minimumFractionDigits: decimalScale || 0,
     maximumFractionDigits: 20,