From f2ead327344fdacdf3fb1e761b4fb8ec89330f1e Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 25 Apr 2022 19:27:44 +0800
Subject: ...

---
 FrontEnd/src/utilities/base64.ts | 15 +++++++++++++++
 FrontEnd/src/utilities/url.ts    |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 FrontEnd/src/utilities/base64.ts

(limited to 'FrontEnd/src/utilities')

diff --git a/FrontEnd/src/utilities/base64.ts b/FrontEnd/src/utilities/base64.ts
new file mode 100644
index 00000000..5f12414e
--- /dev/null
+++ b/FrontEnd/src/utilities/base64.ts
@@ -0,0 +1,15 @@
+import { Base64 } from "js-base64";
+
+export function base64(blob: Blob | string): Promise<string> {
+  if (typeof blob === "string") {
+    return Promise.resolve(Base64.encode(blob));
+  }
+
+  return new Promise<string>((resolve) => {
+    const reader = new FileReader();
+    reader.onload = function () {
+      resolve((reader.result as string).replace(/^data:.*;base64,/, ""));
+    };
+    reader.readAsDataURL(blob);
+  });
+}
diff --git a/FrontEnd/src/utilities/url.ts b/FrontEnd/src/utilities/url.ts
index 45ad0ab7..9700d861 100644
--- a/FrontEnd/src/utilities/url.ts
+++ b/FrontEnd/src/utilities/url.ts
@@ -1,4 +1,4 @@
-export function applyQueryParameters<T>(url: string, query: T): string {
+export function withQuery<T>(url: string, query: T): string {
   if (query == null) return url;
 
   const params = new URLSearchParams();
-- 
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