From 78b2a3a8b85679eeff27beccebcc404b0a5ff3cf Mon Sep 17 00:00:00 2001
From: ST-DDT <ST-DDT@gmx.de>
Date: Thu, 26 Sep 2024 18:00:14 +0200
Subject: fix(image): fix dataUri with type svg-base64 in browsers (#3144)

---
 src/internal/base64.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/internal/base64.ts

(limited to 'src/internal')

diff --git a/src/internal/base64.ts b/src/internal/base64.ts
new file mode 100644
index 00000000..b346538a
--- /dev/null
+++ b/src/internal/base64.ts
@@ -0,0 +1,24 @@
+/**
+ * This works the same as `Buffer.from(input).toString('base64')`
+ * to work on both Node.js and browser environment.
+ *
+ * @internal
+ *
+ * @param input The string to encode to Base64.
+ *
+ * @returns Base64 encoded string.
+ *
+ * @see https://datatracker.ietf.org/doc/html/rfc4648
+ *
+ * @example const encodedHeader = toBase64(JSON.stringify(header));
+ */
+export const toBase64: (input: string) => string =
+  typeof Buffer === 'undefined'
+    ? (input) => {
+        const utf8Bytes = new TextEncoder().encode(input);
+        const binaryString = Array.from(utf8Bytes, (byte) =>
+          String.fromCodePoint(byte)
+        ).join('');
+        return btoa(binaryString);
+      }
+    : (input) => Buffer.from(input).toString('base64');
-- 
cgit v1.2.3