fix(numers): custom format grouping with negative format

Author: danielkaradachki

src/numbers/custom-number-format.js

@@ -233,7 +233,7 @@ function replacePlaceHolders(formatOptions, info) {
     }
 
     if (hasGroup) {
-        number = groupInteger(number, start + (negative ? 1 : 0), Math.max(end, (integerLength + start)), info.numbers.decimal, info);
+        number = groupInteger(number, start + (negative && !hasNegativeFormat ? 1 : 0), Math.max(end, (integerLength + start)), info.numbers.decimal, info);
     }
 
     if (end >= start) {

test/numbers.js

@@ -458,6 +458,10 @@ describe('custom formatting', () => {
         expect(formatNumber(-0.001, "####;-(#.#)")).toEqual("-(0.0)");
     });
 
+    it("toString decimal number -1000 with negative format", () => {
+        expect(formatNumber(-1000, "#,##0;(#,##0);-")).toEqual("(1,000)");
+    });
+
     it("applies negative format", () => {
         expect(formatNumber(-123, "####;-(#.00)")).toEqual("-(123.00)");
     });