fix(format-number): no decimals when no suffix is used (#43)

Author: ReenigneArcher

src/js/format-number.js

@@ -10,7 +10,7 @@ function formatNumber(num, decimalPlaces = 1) {
     } else if (num >= 1000) {
         return (num / 1000).toFixed(decimalPlaces) + 'k';
     } else {
-        return num.toFixed(decimalPlaces);
+        return num.toString()
     }
 }
 

tests/format-number.test.js

@@ -12,15 +12,15 @@ describe('formatNumber function', () => {
         [1234567, 2, '1.23M'],  // 1.23 million
         [1234, 1, '1.2k'],  // 1.2 thousand
         [1234, 2, '1.23k'],  // 1.23 thousand
-        [123, 1, '123.0'],  // 123 with 1 decimal place
-        [123, 2, '123.00'],  // 123 with 2 decimal places
+        [123, 1, '123'],  // 123 with 1 decimal place
+        [123, 2, '123'],  // 123 with 2 decimal places
     ])('formats %i with %i decimal places as %s', (num, decimalPlaces, expected) => {
         expect(formatNumber(num, decimalPlaces)).toBe(expected);
     });
 
     test('defaults to 1 decimal place if not provided', () => {
         expect(formatNumber(1234567)).toBe('1.2M');
         expect(formatNumber(1234)).toBe('1.2k');
-        expect(formatNumber(123)).toBe('123.0');
+        expect(formatNumber(123)).toBe('123');
     });
 });