fix(ext/node): register `node:wasi` built-in (#25134)

Fixes https://github.com/denoland/deno/issues/23531

7 files changed, 13 insertions, 3 deletions

diff --git a/ext/node/lib.rs b/ext/node/lib.rs
index a820c4476..56eb292ae 100644
--- a/ext/node/lib.rs
+++ b/ext/node/lib.rs
@@ -594,7 +594,6 @@ deno_core::extension!(deno_node,
     "path/mod.ts",
     "path/separator.ts",
     "readline/promises.ts",
-    "wasi.ts",
     "node:assert" = "assert.ts",
     "node:assert/strict" = "assert/strict.ts",
     "node:async_hooks" = "async_hooks.ts",
@@ -645,6 +644,7 @@ deno_core::extension!(deno_node,
     "node:util/types" = "util/types.ts",
     "node:v8" = "v8.ts",
     "node:vm" = "vm.js",
+    "node:wasi" = "wasi.ts",
     "node:worker_threads" = "worker_threads.ts",
     "node:zlib" = "zlib.ts",
   ],
diff --git a/ext/node/polyfill.rs b/ext/node/polyfill.rs
index 175228a25..a14b75bac 100644
--- a/ext/node/polyfill.rs
+++ b/ext/node/polyfill.rs
@@ -75,6 +75,7 @@ generate_builtin_node_module_lists! {
   "util/types",
   "v8",
   "vm",
+  "wasi",
   "worker_threads",
   "zlib",
 }
diff --git a/ext/node/polyfills/01_require.js b/ext/node/polyfills/01_require.js
index 40bb7f296..7eb549134 100644
--- a/ext/node/polyfills/01_require.js
+++ b/ext/node/polyfills/01_require.js
@@ -151,7 +151,7 @@ import util from "node:util";
 import v8 from "node:v8";
 import vm from "node:vm";
 import workerThreads from "node:worker_threads";
-import wasi from "ext:deno_node/wasi.ts";
+import wasi from "node:wasi";
 import zlib from "node:zlib";
 
 const nativeModuleExports = ObjectCreate(null);
diff --git a/tests/integration/lsp_tests.rs b/tests/integration/lsp_tests.rs
index fd6f7e484..a0d12da3a 100644
--- a/tests/integration/lsp_tests.rs
+++ b/tests/integration/lsp_tests.rs
@@ -7663,6 +7663,7 @@ fn lsp_completions_node_specifier() {
       "node:util/types",
       "node:v8",
       "node:vm",
+      "node:wasi",
       "node:worker_threads",
       "node:zlib",
     ],
diff --git a/tests/integration/node_unit_tests.rs b/tests/integration/node_unit_tests.rs
index 74ed293e3..22c0f8110 100644
--- a/tests/integration/node_unit_tests.rs
+++ b/tests/integration/node_unit_tests.rs
@@ -96,6 +96,7 @@ util::unit_test_factory!(
     util_test,
     v8_test,
     vm_test,
+    wasi_test,
     worker_threads_test,
     zlib_test
   ]
diff --git a/tests/unit_node/wasi_test.ts b/tests/unit_node/wasi_test.ts
new file mode 100644
index 000000000..6af2d4b1d
--- /dev/null
+++ b/tests/unit_node/wasi_test.ts
@@ -0,0 +1,7 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+import wasi from "node:wasi";
+import { assertThrows } from "@std/assert";
+
+Deno.test("[node/wasi] - WASI should throw (not implemented)", () => {
+  assertThrows(() => new wasi.WASI());
+});
diff --git a/tools/core_import_map.json b/tools/core_import_map.json
index ba4cd105d..2d8631d87 100644
--- a/tools/core_import_map.json
+++ b/tools/core_import_map.json
@@ -206,7 +206,7 @@
     "node:util/types": "../ext/node/polyfills/util/types.ts",
     "node:v8": "../ext/node/polyfills/v8.ts",
     "node:vm": "../ext/node/polyfills/vm.js",
-    "ext:deno_node/wasi.ts": "../ext/node/polyfills/wasi.ts",
+    "node:wasi": "../ext/node/polyfills/wasi.ts",
     "node:worker_threads": "../ext/node/polyfills/worker_threads.ts",
     "node:zlib": "../ext/node/polyfills/zlib.ts",
     "ext:deno_url/00_url.js": "../ext/url/00_url.js",