From 011eeed5205e9238012807776e61f092e0c0be1a Mon Sep 17 00:00:00 2001
From: Felix Becker <felix.b@outlook.com>
Date: Wed, 28 Jun 2023 13:27:44 -0700
Subject: [PATCH 1/2] Support setting prefix to an empty string

---
 src/components/CurrencyInput.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/CurrencyInput.tsx b/src/components/CurrencyInput.tsx
index ce8aa8d..8c4acae 100644
--- a/src/components/CurrencyInput.tsx
+++ b/src/components/CurrencyInput.tsx
@@ -89,7 +89,7 @@ export const CurrencyInput: FC<CurrencyInputProps> = forwardRef<
       groupSeparator,
       disableGroupSeparators,
       intlConfig,
-      prefix: prefix || localeConfig.prefix,
+      prefix: prefix ?? localeConfig.prefix,
       suffix: suffix,
     };
 
@@ -100,7 +100,7 @@ export const CurrencyInput: FC<CurrencyInputProps> = forwardRef<
       decimalsLimit: decimalsLimit || fixedDecimalLength || 2,
       allowNegativeValue,
       disableAbbreviations,
-      prefix: prefix || localeConfig.prefix,
+      prefix: prefix ?? localeConfig.prefix,
       transformRawValue,
     };
 

From 03cd5f5cf1f8120c2debc3b06cade535fa9d3162 Mon Sep 17 00:00:00 2001
From: Benjamin Piouffle <benjamin.piouffle@gmail.com>
Date: Thu, 24 Apr 2025 09:08:48 +0200
Subject: [PATCH 2/2] test: add case for empty prefix/suffix

---
 .../__tests__/CurrencyInput-suffix.spec.tsx   | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/src/components/__tests__/CurrencyInput-suffix.spec.tsx b/src/components/__tests__/CurrencyInput-suffix.spec.tsx
index 414cc8d..0347edb 100644
--- a/src/components/__tests__/CurrencyInput-suffix.spec.tsx
+++ b/src/components/__tests__/CurrencyInput-suffix.spec.tsx
@@ -44,4 +44,41 @@ describe('<CurrencyInput/> suffix', () => {
 
     expect(screen.getByRole('textbox')).toHaveValue('$1,234.9 %');
   });
+
+  it('should handle empty prefix and suffix', () => {
+    render(
+      <CurrencyInput onValueChange={onValueChangeSpy} prefix="" suffix="" defaultValue="1234" />
+    );
+
+    expect(screen.getByRole('textbox')).toHaveValue('1,234');
+
+    userEvent.type(screen.getByRole('textbox'), '56');
+
+    expect(screen.getByRole('textbox')).toHaveValue('123,456');
+
+    userEvent.type(screen.getByRole('textbox'), '{backspace}{backspace}');
+
+    expect(screen.getByRole('textbox')).toHaveValue('1,234');
+  });
+
+  it('should fallback to default prefix and suffix when undefined', () => {
+    render(
+      <CurrencyInput
+        onValueChange={onValueChangeSpy}
+        prefix={undefined}
+        suffix={undefined}
+        defaultValue="1234"
+      />
+    );
+
+    expect(screen.getByRole('textbox')).toHaveValue('1,234');
+
+    userEvent.type(screen.getByRole('textbox'), '56');
+
+    expect(screen.getByRole('textbox')).toHaveValue('123,456');
+
+    userEvent.type(screen.getByRole('textbox'), '{backspace}{backspace}');
+
+    expect(screen.getByRole('textbox')).toHaveValue('1,234');
+  });
 });