From 81a1d80f11e100881d4bb39556d96e9000929b6a Mon Sep 17 00:00:00 2001
From: Patrizio Bekerle <patrizio.bekerle@tugraz.at>
Date: Mon, 29 Jul 2019 10:03:22 +0200
Subject: [PATCH] Add function base64EncodeUnicode
---
packages/common/utils.js | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/packages/common/utils.js b/packages/common/utils.js
index fe95c7e6..435d82e5 100644
--- a/packages/common/utils.js
+++ b/packages/common/utils.js
@@ -53,4 +53,21 @@ module.exports = {
list.forEach((item) => {data.push({id: item, text: item})});
return data;
},
+
+ /**
+ * Does generic Base64 Encoding with support for 16-bit encoded strings
+ * @see https://www.base64encoder.io/javascript/
+ *
+ * @param str
+ * @returns {string}
+ */
+ base64EncodeUnicode: (str) => {
+ // First we escape the string using encodeURIComponent to get the UTF-8 encoding of the characters,
+ // then we convert the percent encodings into raw bytes, and finally feed it to btoa() function.
+ const utf8Bytes = encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, function(match, p1) {
+ return String.fromCharCode('0x' + p1);
+ });
+
+ return btoa(utf8Bytes);
+ }
};
--
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