1 files changed, 14 insertions, 0 deletions
diff --git a/ext/web/lib.deno_web.d.ts b/ext/web/lib.deno_web.d.ts
index ce20f08b1..1233b842f 100644
--- a/ext/web/lib.deno_web.d.ts
+++ b/ext/web/lib.deno_web.d.ts
@@ -809,3 +809,17 @@ declare function structuredClone(
   value: any,
   options?: StructuredSerializeOptions,
 ): any;
+
+declare class CompressionStream {
+  constructor(format: string);
+
+  readonly readable: ReadableStream<Uint8Array>;
+  readonly writable: WritableStream<Uint8Array>;
+}
+
+declare class DecompressionStream {
+  constructor(format: string);
+
+  readonly readable: ReadableStream<Uint8Array>;
+  readonly writable: WritableStream<Uint8Array>;
+}