in src/bun.js/bindings/ProcessBindingConstants.cpp [637:771]
static JSValue processBindingConstantsGetFs(VM& vm, JSObject* bindingObject)
{
auto globalObject = bindingObject->globalObject();
auto object = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype(), 26);
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_SYMLINK_DIR"_s)), jsNumber(1));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_SYMLINK_JUNCTION"_s)), jsNumber(2));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_RDONLY"_s)), jsNumber(O_RDONLY));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_WRONLY"_s)), jsNumber(O_WRONLY));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_RDWR"_s)), jsNumber(O_RDWR));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_UNKNOWN"_s)), jsNumber(0));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_FILE"_s)), jsNumber(1));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_DIR"_s)), jsNumber(2));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_LINK"_s)), jsNumber(3));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_FIFO"_s)), jsNumber(4));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_SOCKET"_s)), jsNumber(5));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_CHAR"_s)), jsNumber(6));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_DIRENT_BLOCK"_s)), jsNumber(7));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFMT"_s)), jsNumber(S_IFMT));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFREG"_s)), jsNumber(S_IFREG));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFDIR"_s)), jsNumber(S_IFDIR));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFCHR"_s)), jsNumber(S_IFCHR));
#ifdef S_IFBLK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFBLK"_s)), jsNumber(S_IFBLK));
#endif
#ifdef S_IFIFO
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFIFO"_s)), jsNumber(S_IFIFO));
#endif
#ifdef S_IFLNK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFLNK"_s)), jsNumber(S_IFLNK));
#endif
#ifdef S_IFSOCK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IFSOCK"_s)), jsNumber(S_IFSOCK));
#endif
#ifdef O_CREAT
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_CREAT"_s)), jsNumber(O_CREAT));
#endif
#ifdef O_EXCL
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_EXCL"_s)), jsNumber(O_EXCL));
#endif
#if OS(WINDOWS)
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_O_FILEMAP"_s)), jsNumber(536870912));
#else
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_O_FILEMAP"_s)), jsNumber(0));
#endif
#ifdef O_NOCTTY
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_NOCTTY"_s)), jsNumber(O_NOCTTY));
#endif
#ifdef O_TRUNC
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_TRUNC"_s)), jsNumber(O_TRUNC));
#endif
#ifdef O_APPEND
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_APPEND"_s)), jsNumber(O_APPEND));
#endif
#ifdef O_DIRECTORY
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_DIRECTORY"_s)), jsNumber(O_DIRECTORY));
#endif
#ifdef O_NOATIME
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_NOATIME"_s)), jsNumber(O_NOATIME));
#endif
#ifdef O_NOFOLLOW
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_NOFOLLOW"_s)), jsNumber(O_NOFOLLOW));
#endif
#ifdef O_SYNC
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_SYNC"_s)), jsNumber(O_SYNC));
#endif
#ifdef O_DSYNC
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_DSYNC"_s)), jsNumber(O_DSYNC));
#endif
#ifdef O_SYMLINK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_SYMLINK"_s)), jsNumber(O_SYMLINK));
#endif
#ifdef O_DIRECT
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_DIRECT"_s)), jsNumber(O_DIRECT));
#endif
#ifdef O_NONBLOCK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "O_NONBLOCK"_s)), jsNumber(O_NONBLOCK));
#endif
#ifdef S_IRWXU
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IRWXU"_s)), jsNumber(S_IRWXU));
#endif
#ifdef S_IRUSR
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IRUSR"_s)), jsNumber(S_IRUSR));
#endif
#ifdef S_IWUSR
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IWUSR"_s)), jsNumber(S_IWUSR));
#endif
#ifdef S_IXUSR
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IXUSR"_s)), jsNumber(S_IXUSR));
#endif
#ifdef S_IRWXG
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IRWXG"_s)), jsNumber(S_IRWXG));
#endif
#ifdef S_IRGRP
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IRGRP"_s)), jsNumber(S_IRGRP));
#endif
#ifdef S_IWGRP
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IWGRP"_s)), jsNumber(S_IWGRP));
#endif
#ifdef S_IXGRP
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IXGRP"_s)), jsNumber(S_IXGRP));
#endif
#ifdef S_IRWXO
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IRWXO"_s)), jsNumber(S_IRWXO));
#endif
#ifdef S_IROTH
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IROTH"_s)), jsNumber(S_IROTH));
#endif
#ifdef S_IWOTH
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IWOTH"_s)), jsNumber(S_IWOTH));
#endif
#ifdef S_IXOTH
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "S_IXOTH"_s)), jsNumber(S_IXOTH));
#endif
#ifdef F_OK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "F_OK"_s)), jsNumber(F_OK));
#endif
#ifdef R_OK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "R_OK"_s)), jsNumber(R_OK));
#endif
#ifdef W_OK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "W_OK"_s)), jsNumber(W_OK));
#endif
#ifdef X_OK
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "X_OK"_s)), jsNumber(X_OK));
#endif
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_COPYFILE_EXCL"_s)), jsNumber(1));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "COPYFILE_EXCL"_s)), jsNumber(1));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_COPYFILE_FICLONE"_s)), jsNumber(2));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "COPYFILE_FICLONE"_s)), jsNumber(2));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "UV_FS_COPYFILE_FICLONE_FORCE"_s)), jsNumber(4));
object->putDirect(vm, PropertyName(Identifier::fromString(vm, "COPYFILE_FICLONE_FORCE"_s)), jsNumber(4));
return object;
}