1 files changed, 16 insertions, 2 deletions
diff --git a/runtime/js/90_deno_ns.js b/runtime/js/90_deno_ns.js
index 452c62725..24e73d30e 100644
--- a/runtime/js/90_deno_ns.js
+++ b/runtime/js/90_deno_ns.js
@@ -109,8 +109,22 @@ const denoNs = {
   stdin: io.stdin,
   stdout: io.stdout,
   stderr: io.stderr,
-  seek: fs.seek,
-  seekSync: fs.seekSync,
+  seek(rid, offset, whence) {
+    internals.warnOnDeprecatedApi(
+      "Deno.seek()",
+      new Error().stack,
+      "Use `file.seek()` instead.",
+    );
+    return fs.seek(rid, offset, whence);
+  },
+  seekSync(rid, offset, whence) {
+    internals.warnOnDeprecatedApi(
+      "Deno.seekSync()",
+      new Error().stack,
+      "Use `file.seekSync()` instead.",
+    );
+    return fs.seekSync(rid, offset, whence);
+  },
   connect: net.connect,
   listen: net.listen,
   loadavg: os.loadavg,