From 93ce8560fa19c3a91de99643fdbbe4f895a47b84 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 11 Jun 2020 17:27:15 +0800
Subject: feat(front): Service worker is coming!

---
 Timeline/ClientApp/src/app/data/base64.ts | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 Timeline/ClientApp/src/app/data/base64.ts

(limited to 'Timeline/ClientApp/src/app/data/base64.ts')

diff --git a/Timeline/ClientApp/src/app/data/base64.ts b/Timeline/ClientApp/src/app/data/base64.ts
new file mode 100644
index 00000000..7f7c6fcc
--- /dev/null
+++ b/Timeline/ClientApp/src/app/data/base64.ts
@@ -0,0 +1,9 @@
+export function base64(blob: Blob): Promise<string> {
+  return new Promise<string>(resolve => {
+    const reader = new FileReader();
+    reader.onload = function() {
+      resolve((reader.result as string).replace(/^data:.+;base64,/, ''));
+    };
+    reader.readAsDataURL(blob);
+  });
+}
-- 
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