deno2: build on Windows

1 files changed, 14 insertions, 1 deletions

diff --git a/deno2/js/run_node.py b/deno2/js/run_node.py
index 1a1dc5cc7..8f650a534 100755
--- a/deno2/js/run_node.py
+++ b/deno2/js/run_node.py
@@ -6,13 +6,26 @@ import subprocess
 import sys
 import os
 
+def symlink(target, name, target_is_dir=False):
+  if os.name == "nt":
+    from ctypes import windll, WinError
+    CreateSymbolicLinkW = windll.kernel32.CreateSymbolicLinkW
+    flags = 0x02  # SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE
+    if (target_is_dir):
+      flags |= 0x01  # SYMBOLIC_LINK_FLAG_DIRECTORY
+    if not CreateSymbolicLinkW(name.encode('utf-16le'),
+                               target.encode('utf-16le'),
+                               flags):
+      raise WinError()
+  else:
+    os.symlink(target, name)
 
 js_path = os.path.dirname(os.path.realpath(__file__))
 node_modules_path = os.path.join(js_path, "node_modules")
 
 # root_out_dir
 if not os.path.exists("node_modules"):
-  os.symlink(node_modules_path, "node_modules")
+  symlink(node_modules_path, "node_modules", True)
 
 args = ["node"] + sys.argv[1:]
 sys.exit(subprocess.call(args))