fix: fix floating point issue in convertToMinorUnit [ROW-512] (#194)

* fix: fix floating point issue in convertToMinorUnit

* add UT

* resolve review comments

* Create mean-pumas-deny.md

.changeset/mean-pumas-deny.md

@@ -0,0 +1,5 @@
+---
+"@razorpay/i18nify-js": patch
+---
+
+fix floating point issue in convertToMinorUnit

packages/i18nify-js/src/modules/currency/__tests__/convertToMinorUnit.test.ts

@@ -30,4 +30,9 @@ describe('currency - convertToMinorUnit', () => {
       `Error: The provided currency code is either empty or not supported. The received value was : ${unsupportedCurrencyCode}. Please ensure you pass a valid currency code.`,
     );
   });
+
+  it('should correctly convert amount to minor unit for INR', () => {
+    const result = convertToMinorUnit(4.14, { currency: 'INR' });
+    expect(result).toBe(414);
+  });
 });

packages/i18nify-js/src/modules/currency/convertToMinorUnit.ts

@@ -31,7 +31,9 @@ const convertToMinorUnit = (
   const minorUnitMultiplier =
     Math.pow(10, Number(currencyInfo.minor_unit)) || 100;
 
-  const lowerCurrencyValue = amount * minorUnitMultiplier;
+  const lowerCurrencyValue = parseFloat(
+    (amount * minorUnitMultiplier).toFixed(0),
+  );
   return lowerCurrencyValue;
 };