feat(std/node/stream): Add Duplex, Transform, Passthrough, pipeline, finished and promises (#7940)

1 files changed, 20 insertions, 0 deletions

diff --git a/std/node/_stream/passthrough.ts b/std/node/_stream/passthrough.ts
new file mode 100644
index 000000000..9126420e5
--- /dev/null
+++ b/std/node/_stream/passthrough.ts
@@ -0,0 +1,20 @@
+// Copyright Node.js contributors. All rights reserved. MIT License.
+import Transform from "./transform.ts";
+import type { TransformOptions } from "./transform.ts";
+import type { Encodings } from "../_utils.ts";
+
+export default class PassThrough extends Transform {
+  constructor(options?: TransformOptions) {
+    super(options);
+  }
+
+  _transform(
+    // deno-lint-ignore no-explicit-any
+    chunk: any,
+    _encoding: Encodings,
+    // deno-lint-ignore no-explicit-any
+    cb: (error?: Error | null, data?: any) => void,
+  ) {
+    cb(null, chunk);
+  }
+}