From dc036179b79bcb5cc04ce4655b629661189f70cf Mon Sep 17 00:00:00 2001
From: Dipak Sarkar <sdepokbd@gmail.com>
Date: Thu, 31 Mar 2022 21:31:24 +0530
Subject: [PATCH] fix nan issue for reverse fill

---
 src/number-format.js                          |  2 +-
 tests/unit/number-format.reverse-fill.spec.js | 18 +++++++++++++-----
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/number-format.js b/src/number-format.js
index 4cdec5f..7476cd8 100644
--- a/src/number-format.js
+++ b/src/number-format.js
@@ -38,7 +38,7 @@ export default function NumberFormat(config = options) {
   function toFixed(numbers, precision) {
     // eslint-disable-next-line no-restricted-properties
     var exp = Math.pow(10, precision);
-    var float = parseFloat(numbers) / exp;
+    var float = parseFloat(numbers) / exp || 0;
     return float.toFixed(fixed(precision));
   }
 
diff --git a/tests/unit/number-format.reverse-fill.spec.js b/tests/unit/number-format.reverse-fill.spec.js
index 8895784..acaab12 100644
--- a/tests/unit/number-format.reverse-fill.spec.js
+++ b/tests/unit/number-format.reverse-fill.spec.js
@@ -3,13 +3,21 @@ import NumberFormat from "../../src/number-format";
 describe("when enabled reverse fill", () => {
   const numberFormat = new NumberFormat({
     reverseFill: true,
+    prefix: "$",
   });
   it("should return as follows", () => {
-    expect(numberFormat.format("sdfgasd55468.546")).toEqual("554,685.46");
-    expect(numberFormat.format("sdfgasd55468.546")).toEqual("554,685.46");
-    expect(numberFormat.format("sdfgasd55468.546-")).toEqual("-554,685.46");
-    expect(numberFormat.format("-1234.6512")).toEqual("-123,465.12");
-    expect(numberFormat.format("0")).toEqual("0.00");
+    expect(numberFormat.format("sdfgasd55468.546")).toEqual("$554,685.46");
+    expect(numberFormat.format("sdfgasd55468.546")).toEqual("$554,685.46");
+    expect(numberFormat.format("sdfgasd55468.546-")).toEqual("-$554,685.46");
+    expect(numberFormat.format("-1234.6512")).toEqual("-$123,465.12");
+    expect(numberFormat.format("0")).toEqual("$0.00");
+  });
+  it("should return as follows", () => {
+    expect(numberFormat.format("sdfgasd55468.546")).toEqual("$554,685.46");
+    expect(numberFormat.format("sdfgasd55468.546")).toEqual("$554,685.46");
+    expect(numberFormat.format("sdfgasd55468.546-")).toEqual("-$554,685.46");
+    expect(numberFormat.format("-1234.6512")).toEqual("-$123,465.12");
+    expect(numberFormat.format(0)).toEqual("$0.00");
   });
   it("should return as follows", () => {
     expect(numberFormat.unformat("sdfgasd55468.546")).toEqual("554685.46");