fix(numbers): limit precision

Author: danielkaradachki

src/common/round.js

@@ -1,3 +1,5 @@
+const MAX_PRECISION = 20;
+
 export default function round(value, precision) {
     let result = value;
     let decimals = precision || 0;
@@ -8,5 +10,5 @@ export default function round(value, precision) {
     result = result.toString().split('e');
     result = Number(result[0] + 'e' + (result[1] ? (Number(result[1]) - decimals) : -decimals));
 
-    return result.toFixed(decimals);
+    return result.toFixed(Math.min(decimals, MAX_PRECISION));
 }

test/numbers.js

@@ -56,6 +56,11 @@ describe('formatNumber', () => {
         expect(formatNumber("foo")).toEqual("foo");
     });
 
+    it('should limit precision', () => {
+        const value = 5.4654647884512e+96;
+        expect(formatNumber(value, '#.#')).toEqual(value.toFixed(20));
+    });
+
 
     describe('errors', () => {
         currencyData.supplemental.currencyData.region.CUSTOM = [{ XXX: {} }];