From 481db27c28533371f629c113be05d5f999f20e47 Mon Sep 17 00:00:00 2001
From: Ardi <oliviergiroud1998@gmail.com>
Date: Fri, 20 Aug 2021 12:00:17 +0700
Subject: [PATCH] Create new helper for validation

---
 src/utils/validation.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/utils/validation.ts

diff --git a/src/utils/validation.ts b/src/utils/validation.ts
new file mode 100644
index 0000000..3f656c2
--- /dev/null
+++ b/src/utils/validation.ts
@@ -0,0 +1,23 @@
+export function fileSizeValidation(stream?: any, maxSize?: number, callback?): Promise<any> {
+
+  return new Promise((resolve, reject) => {
+    let bytes=0;
+
+    stream.on("data", (chunk) => {
+      bytes += chunk.length;
+    });
+
+    stream.on("end", () => {
+      if (bytes > maxSize) {
+        reject(`File exceeds the maximum size ${maxSize}`);
+      } else {
+        resolve(bytes);
+      }
+    });
+
+    stream.on("error", (e) => {
+      reject(e);
+    });
+  });
+
+}
\ No newline at end of file