core(network-request): recognize zstd compression algorithm (#15883)

GoogleChrome · Apr 5, 2024 · 4a81f2c · 4a81f2c
1 parent c4e0d66
commit 4a81f2c
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Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/core/lib/network-request.js b/core/lib/network-request.js
@@ -634,7 +634,7 @@ class NetworkRequest {
       /^content-encoding$/i,
       /^x-content-encoding-over-network$/i,
     ];
-    const compressionTypes = ['gzip', 'br', 'deflate'];
+    const compressionTypes = ['gzip', 'br', 'deflate', 'zstd'];
     return record.responseHeaders.some(header =>
       patterns.some(p => header.name.match(p)) && compressionTypes.includes(header.value)
     );

diff --git a/core/test/lib/network-request-test.js b/core/test/lib/network-request-test.js
@@ -389,4 +389,22 @@ describe('NetworkRequest', () => {
       })).toBe(false);
     });
   });
+
+  describe('#isContentEncoded', () => {
+    const isContentEncoded = NetworkRequest.isContentEncoded;
+
+    it('correctly identifies no compression', () => {
+      expect(isContentEncoded({responseHeaders: []})).toBe(false);
+    });
+    it('correctly identifies brotli', () => {
+      expect(isContentEncoded({
+        responseHeaders: [{name: 'content-encoding', value: 'br'}],
+      })).toBe(true);
+    });
+    it('correctly identifies zstd', () => {
+      expect(isContentEncoded({
+        responseHeaders: [{name: 'content-encoding', value: 'zstd'}],
+      })).toBe(true);
+    });
+  });
 });