[misc] Fix broken build on macOS

src/javascript/jsc/node/node_fs_constant.zig

@@ -2,6 +2,12 @@ const bun = @import("../../../global.zig");
 const Environment = bun.Environment;
 const std = @import("std");
 
+fn get(comptime name: []const u8) comptime_int {
+    return if (@hasDecl(std.os.O, name))
+        return @field(std.os.O, name)
+    else
+        return 0;
+}
 pub const Constants = struct {
     // File Access Constants
     /// Constant for fs.access(). File is visible to the calling process.
@@ -74,7 +80,7 @@ pub const Constants = struct {
     /// Flag indicating reading accesses to the file system will no longer result in
     /// an update to the atime information associated with the file.
     /// This flag is available on Linux operating systems only.
-    pub const O_NOATIME = std.os.O.NOATIME;
+    pub const O_NOATIME = get("NOATIME");
     /// Constant for fs.open(). Flag indicating that the open should fail if the path is a symbolic link.
     pub const O_NOFOLLOW = std.os.O.NOFOLLOW;
     /// Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O.
@@ -82,9 +88,9 @@ pub const Constants = struct {
     /// Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O with write operations waiting for data integrity.
     pub const O_DSYNC = std.os.O.DSYNC;
     /// Constant for fs.open(). Flag indicating to open the symbolic link itself rather than the resource it is pointing to.
-    pub const O_SYMLINK = if (Environment.isMac) std.os.O.O_SYMLINK;
+    pub const O_SYMLINK = get("SYMLINK");
     /// Constant for fs.open(). When set, an attempt will be made to minimize caching effects of file I/O.
-    pub const O_DIRECT = std.os.O.DIRECT;
+    pub const O_DIRECT = get("DIRECT");
     /// Constant for fs.open(). Flag indicating to open the file in nonblocking mode when possible.
     pub const O_NONBLOCK = std.os.O.NONBLOCK;
     // File Type Constants

src/resolver/resolver.zig

@@ -2477,8 +2477,8 @@ pub const Resolver = struct {
             // For existent directories which don't find a match
             // Start watching it automatically,
             // onStartWatchingDirectory fn decides whether to actually watch.
-            if (r.onStartWatchingDirectoryCtx) |ctx| {
-                r.onStartWatchingDirectory.?(ctx, entries.dir, entries.fd);
+            if (r.watcher) |watcher| {
+                watcher.watch(entries.dir, entries.fd);
             }
         }
         return null;