From b6895a86d904407cba0c713194296527842acd71 Mon Sep 17 00:00:00 2001
From: Kavin <20838718+FireMasterK@users.noreply.github.com>
Date: Fri, 3 Feb 2023 16:45:13 +0000
Subject: [PATCH] Add helper utility to compress data.

---
 package.json                  |  1 +
 src/utils/compressionUtils.js | 18 ++++++++++++++++++
 yarn.lock                     |  5 +++++
 3 files changed, 24 insertions(+)
 create mode 100644 src/utils/compressionUtils.js

diff --git a/package.json b/package.json
index 08f28340d3..b989e7a219 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
         "hotkeys-js": "3.10.1",
         "javascript-time-ago": "2.5.9",
         "mux.js": "6.2.0",
+        "pako": "2.1.0",
         "shaka-player": "4.3.4",
         "stream-browserify": "3.0.0",
         "vue": "3.2.47",
diff --git a/src/utils/compressionUtils.js b/src/utils/compressionUtils.js
new file mode 100644
index 0000000000..5f482c2ece
--- /dev/null
+++ b/src/utils/compressionUtils.js
@@ -0,0 +1,18 @@
+export const compressGzip = async data => {
+    // Firefox does not support CompressionStream yet
+    if (typeof CompressionStream !== "undefined") {
+        let bytes = new TextEncoder().encode(data);
+        // eslint-disable-next-line no-undef
+        const cs = new CompressionStream("gzip");
+        const writer = cs.writable.getWriter();
+        writer.write(bytes);
+        writer.close();
+        const compAb = await new Response(cs.readable).arrayBuffer();
+        bytes = new Uint8Array(compAb);
+
+        return bytes;
+    } else {
+        const pako = require("pako");
+        return pako.gzip(data);
+    }
+};
diff --git a/yarn.lock b/yarn.lock
index 375e73f8aa..1c2ee32ae3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4011,6 +4011,11 @@ p-locate@^5.0.0:
   dependencies:
     p-limit "^3.0.2"
 
+pako@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-2.1.0.tgz#266cc37f98c7d883545d11335c00fbd4062c9a86"
+  integrity sha512-w+eufiZ1WuJYgPXbV/PO3NCMEc3xqylkKHzp8bxp1uW4qaSNQUkwmLLEc3kKsfz8lpV1F8Ht3U1Cm+9Srog2ug==
+
 parent-module@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.1.tgz#691d2709e78c79fae3a156622452d00762caaaa2"