Directly export errno values

Better for dead code elimination

apps/tests/src/switch.test.ts

@@ -1,4 +1,4 @@
-import { Errno } from '@nx.js/constants';
+import { ENOENT } from '@nx.js/constants';
 import { suite } from 'uvu';
 import * as assert from 'uvu/assert';
 
@@ -185,7 +185,7 @@ test('`Switch.file()` read stream throws on ENOENT', async () => {
 		err = _err as Error;
 	}
 	assert.ok(err);
-	assert.equal((err as any).errno, Errno.ENOENT);
+	assert.equal((err as any).errno, ENOENT);
 });
 
 test('`Switch.file()` write stream', async () => {

packages/constants/src/errno.ts

@@ -1,128 +1,126 @@
-export enum Errno {
-	EPERM = 1 /* Not owner */,
-	ENOENT = 2 /* No such file or directory */,
-	ESRCH = 3 /* No such process */,
-	EINTR = 4 /* Interrupted system call */,
-	EIO = 5 /* I/O error */,
-	ENXIO = 6 /* No such device or address */,
-	E2BIG = 7 /* Arg list too long */,
-	ENOEXEC = 8 /* Exec format error */,
-	EBADF = 9 /* Bad file number */,
-	ECHILD = 10 /* No children */,
-	EAGAIN = 11 /* No more processes */,
-	ENOMEM = 12 /* Not enough space */,
-	EACCES = 13 /* Permission denied */,
-	EFAULT = 14 /* Bad address */,
-	ENOTBLK = 15 /* Block device required */,
-	EBUSY = 16 /* Device or resource busy */,
-	EEXIST = 17 /* File exists */,
-	EXDEV = 18 /* Cross-device link */,
-	ENODEV = 19 /* No such device */,
-	ENOTDIR = 20 /* Not a directory */,
-	EISDIR = 21 /* Is a directory */,
-	EINVAL = 22 /* Invalid argument */,
-	ENFILE = 23 /* Too many open files in system */,
-	EMFILE = 24 /* File descriptor value too large */,
-	ENOTTY = 25 /* Not a character device */,
-	ETXTBSY = 26 /* Text file busy */,
-	EFBIG = 27 /* File too large */,
-	ENOSPC = 28 /* No space left on device */,
-	ESPIPE = 29 /* Illegal seek */,
-	EROFS = 30 /* Read-only file system */,
-	EMLINK = 31 /* Too many links */,
-	EPIPE = 32 /* Broken pipe */,
-	EDOM = 33 /* Mathematics argument out of domain of function */,
-	ERANGE = 34 /* Result too large */,
-	ENOMSG = 35 /* No message of desired type */,
-	EIDRM = 36 /* Identifier removed */,
-	ECHRNG = 37 /* Channel number out of range */,
-	EL2NSYNC = 38 /* Level 2 not synchronized */,
-	EL3HLT = 39 /* Level 3 halted */,
-	EL3RST = 40 /* Level 3 reset */,
-	ELNRNG = 41 /* Link number out of range */,
-	EUNATCH = 42 /* Protocol driver not attached */,
-	ENOCSI = 43 /* No CSI structure available */,
-	EL2HLT = 44 /* Level 2 halted */,
-	EDEADLK = 45 /* Deadlock */,
-	ENOLCK = 46 /* No lock */,
-	EBADE = 50 /* Invalid exchange */,
-	EBADR = 51 /* Invalid request descriptor */,
-	EXFULL = 52 /* Exchange full */,
-	ENOANO = 53 /* No anode */,
-	EBADRQC = 54 /* Invalid request code */,
-	EBADSLT = 55 /* Invalid slot */,
-	EDEADLOCK = 56 /* File locking deadlock error */,
-	EBFONT = 57 /* Bad font file fmt */,
-	ENOSTR = 60 /* Not a stream */,
-	ENODATA = 61 /* No data (for no delay io) */,
-	ETIME = 62 /* Stream ioctl timeout */,
-	ENOSR = 63 /* No stream resources */,
-	ENONET = 64 /* Machine is not on the network */,
-	ENOPKG = 65 /* Package not installed */,
-	EREMOTE = 66 /* The object is remote */,
-	ENOLINK = 67 /* Virtual circuit is gone */,
-	EADV = 68 /* Advertise error */,
-	ESRMNT = 69 /* Srmount error */,
-	ECOMM = 70 /* Communication error on send */,
-	EPROTO = 71 /* Protocol error */,
-	EMULTIHOP = 74 /* Multihop attempted */,
-	ELBIN = 75 /* Inode is remote (not really error) */,
-	EDOTDOT = 76 /* Cross mount point (not really error) */,
-	EBADMSG = 77 /* Bad message */,
-	EFTYPE = 79 /* Inappropriate file type or format */,
-	ENOTUNIQ = 80 /* Given log. name not unique */,
-	EBADFD = 81 /* f.d. invalid for this operation */,
-	EREMCHG = 82 /* Remote address changed */,
-	ELIBACC = 83 /* Can't access a needed shared lib */,
-	ELIBBAD = 84 /* Accessing a corrupted shared lib */,
-	ELIBSCN = 85 /* .lib section in a.out corrupted */,
-	ELIBMAX = 86 /* Attempting to link in too many libs */,
-	ELIBEXEC = 87 /* Attempting to exec a shared library */,
-	ENOSYS = 88 /* Function not implemented */,
-	ENMFILE = 89 /* No more files */,
-	ENOTEMPTY = 90 /* Directory not empty */,
-	ENAMETOOLONG = 91 /* File or path name too long */,
-	ELOOP = 92 /* Too many symbolic links */,
-	EOPNOTSUPP = 95 /* Operation not supported on socket */,
-	EPFNOSUPPORT = 96 /* Protocol family not supported */,
-	ECONNRESET = 104 /* Connection reset by peer */,
-	ENOBUFS = 105 /* No buffer space available */,
-	EAFNOSUPPORT = 106 /* Address family not supported by protocol family */,
-	EPROTOTYPE = 107 /* Protocol wrong type for socket */,
-	ENOTSOCK = 108 /* Socket operation on non-socket */,
-	ENOPROTOOPT = 109 /* Protocol not available */,
-	ESHUTDOWN = 110 /* Can't send after socket shutdown */,
-	ECONNREFUSED = 111 /* Connection refused */,
-	EADDRINUSE = 112 /* Address already in use */,
-	ECONNABORTED = 113 /* Software caused connection abort */,
-	ENETUNREACH = 114 /* Network is unreachable */,
-	ENETDOWN = 115 /* Network interface is not configured */,
-	ETIMEDOUT = 116 /* Connection timed out */,
-	EHOSTDOWN = 117 /* Host is down */,
-	EHOSTUNREACH = 118 /* Host is unreachable */,
-	EINPROGRESS = 119 /* Connection already in progress */,
-	EALREADY = 120 /* Socket already connected */,
-	EDESTADDRREQ = 121 /* Destination address required */,
-	EMSGSIZE = 122 /* Message too long */,
-	EPROTONOSUPPORT = 123 /* Unknown protocol */,
-	ESOCKTNOSUPPORT = 124 /* Socket type not supported */,
-	EADDRNOTAVAIL = 125 /* Address not available */,
-	ENETRESET = 126 /* Connection aborted by network */,
-	EISCONN = 127 /* Socket is already connected */,
-	ENOTCONN = 128 /* Socket is not connected */,
-	ETOOMANYREFS = 129,
-	EPROCLIM = 130,
-	EUSERS = 131,
-	EDQUOT = 132,
-	ESTALE = 133,
-	ENOTSUP = 134 /* Not supported */,
-	ENOMEDIUM = 135 /* No medium (in tape drive) */,
-	ENOSHARE = 136 /* No such host or network path */,
-	ECASECLASH = 137 /* Filename exists with different case */,
-	EILSEQ = 138 /* Illegal byte sequence */,
-	EOVERFLOW = 139 /* Value too large for defined data type */,
-	ECANCELED = 140 /* Operation canceled */,
-	ENOTRECOVERABLE = 141 /* State not recoverable */,
-	EOWNERDEAD = 142 /* Previous owner died */,
-	ESTRPIPE = 143 /* Streams pipe error */,
-}
+export const EPERM = 1; /* Not owner */
+export const ENOENT = 2; /* No such file or directory */
+export const ESRCH = 3; /* No such process */
+export const EINTR = 4; /* Interrupted system call */
+export const EIO = 5; /* I/O error */
+export const ENXIO = 6; /* No such device or address */
+export const E2BIG = 7; /* Arg list too long */
+export const ENOEXEC = 8; /* Exec format error */
+export const EBADF = 9; /* Bad file number */
+export const ECHILD = 10; /* No children */
+export const EAGAIN = 11; /* No more processes */
+export const ENOMEM = 12; /* Not enough space */
+export const EACCES = 13; /* Permission denied */
+export const EFAULT = 14; /* Bad address */
+export const ENOTBLK = 15; /* Block device required */
+export const EBUSY = 16; /* Device or resource busy */
+export const EEXIST = 17; /* File exists */
+export const EXDEV = 18; /* Cross-device link */
+export const ENODEV = 19; /* No such device */
+export const ENOTDIR = 20; /* Not a directory */
+export const EISDIR = 21; /* Is a directory */
+export const EINVAL = 22; /* Invalid argument */
+export const ENFILE = 23; /* Too many open files in system */
+export const EMFILE = 24; /* File descriptor value too large */
+export const ENOTTY = 25; /* Not a character device */
+export const ETXTBSY = 26; /* Text file busy */
+export const EFBIG = 27; /* File too large */
+export const ENOSPC = 28; /* No space left on device */
+export const ESPIPE = 29; /* Illegal seek */
+export const EROFS = 30; /* Read-only file system */
+export const EMLINK = 31; /* Too many links */
+export const EPIPE = 32; /* Broken pipe */
+export const EDOM = 33; /* Mathematics argument out of domain of function */
+export const ERANGE = 34; /* Result too large */
+export const ENOMSG = 35; /* No message of desired type */
+export const EIDRM = 36; /* Identifier removed */
+export const ECHRNG = 37; /* Channel number out of range */
+export const EL2NSYNC = 38; /* Level 2 not synchronized */
+export const EL3HLT = 39; /* Level 3 halted */
+export const EL3RST = 40; /* Level 3 reset */
+export const ELNRNG = 41; /* Link number out of range */
+export const EUNATCH = 42; /* Protocol driver not attached */
+export const ENOCSI = 43; /* No CSI structure available */
+export const EL2HLT = 44; /* Level 2 halted */
+export const EDEADLK = 45; /* Deadlock */
+export const ENOLCK = 46; /* No lock */
+export const EBADE = 50; /* Invalid exchange */
+export const EBADR = 51; /* Invalid request descriptor */
+export const EXFULL = 52; /* Exchange full */
+export const ENOANO = 53; /* No anode */
+export const EBADRQC = 54; /* Invalid request code */
+export const EBADSLT = 55; /* Invalid slot */
+export const EDEADLOCK = 56; /* File locking deadlock error */
+export const EBFONT = 57; /* Bad font file fmt */
+export const ENOSTR = 60; /* Not a stream */
+export const ENODATA = 61; /* No data (for no delay io) */
+export const ETIME = 62; /* Stream ioctl timeout */
+export const ENOSR = 63; /* No stream resources */
+export const ENONET = 64; /* Machine is not on the network */
+export const ENOPKG = 65; /* Package not installed */
+export const EREMOTE = 66; /* The object is remote */
+export const ENOLINK = 67; /* Virtual circuit is gone */
+export const EADV = 68; /* Advertise error */
+export const ESRMNT = 69; /* Srmount error */
+export const ECOMM = 70; /* Communication error on send */
+export const EPROTO = 71; /* Protocol error */
+export const EMULTIHOP = 74; /* Multihop attempted */
+export const ELBIN = 75; /* Inode is remote (not really error) */
+export const EDOTDOT = 76; /* Cross mount point (not really error) */
+export const EBADMSG = 77; /* Bad message */
+export const EFTYPE = 79; /* Inappropriate file type or format */
+export const ENOTUNIQ = 80; /* Given log. name not unique */
+export const EBADFD = 81; /* f.d. invalid for this operation */
+export const EREMCHG = 82; /* Remote address changed */
+export const ELIBACC = 83; /* Can't access a needed shared lib */
+export const ELIBBAD = 84; /* Accessing a corrupted shared lib */
+export const ELIBSCN = 85; /* .lib section in a.out corrupted */
+export const ELIBMAX = 86; /* Attempting to link in too many libs */
+export const ELIBEXEC = 87; /* Attempting to exec a shared library */
+export const ENOSYS = 88; /* Function not implemented */
+export const ENMFILE = 89; /* No more files */
+export const ENOTEMPTY = 90; /* Directory not empty */
+export const ENAMETOOLONG = 91; /* File or path name too long */
+export const ELOOP = 92; /* Too many symbolic links */
+export const EOPNOTSUPP = 95; /* Operation not supported on socket */
+export const EPFNOSUPPORT = 96; /* Protocol family not supported */
+export const ECONNRESET = 104; /* Connection reset by peer */
+export const ENOBUFS = 105; /* No buffer space available */
+export const EAFNOSUPPORT = 106; /* Address family not supported by protocol family */
+export const EPROTOTYPE = 107; /* Protocol wrong type for socket */
+export const ENOTSOCK = 108; /* Socket operation on non-socket */
+export const ENOPROTOOPT = 109; /* Protocol not available */
+export const ESHUTDOWN = 110; /* Can't send after socket shutdown */
+export const ECONNREFUSED = 111; /* Connection refused */
+export const EADDRINUSE = 112; /* Address already in use */
+export const ECONNABORTED = 113; /* Software caused connection abort */
+export const ENETUNREACH = 114; /* Network is unreachable */
+export const ENETDOWN = 115; /* Network interface is not configured */
+export const ETIMEDOUT = 116; /* Connection timed out */
+export const EHOSTDOWN = 117; /* Host is down */
+export const EHOSTUNREACH = 118; /* Host is unreachable */
+export const EINPROGRESS = 119; /* Connection already in progress */
+export const EALREADY = 120; /* Socket already connected */
+export const EDESTADDRREQ = 121; /* Destination address required */
+export const EMSGSIZE = 122; /* Message too long */
+export const EPROTONOSUPPORT = 123; /* Unknown protocol */
+export const ESOCKTNOSUPPORT = 124; /* Socket type not supported */
+export const EADDRNOTAVAIL = 125; /* Address not available */
+export const ENETRESET = 126; /* Connection aborted by network */
+export const EISCONN = 127; /* Socket is already connected */
+export const ENOTCONN = 128; /* Socket is not connected */
+export const ETOOMANYREFS = 129;
+export const EPROCLIM = 130;
+export const EUSERS = 131;
+export const EDQUOT = 132;
+export const ESTALE = 133;
+export const ENOTSUP = 134; /* Not supported */
+export const ENOMEDIUM = 135; /* No medium (in tape drive) */
+export const ENOSHARE = 136; /* No such host or network path */
+export const ECASECLASH = 137; /* Filename exists with different case */
+export const EILSEQ = 138; /* Illegal byte sequence */
+export const EOVERFLOW = 139; /* Value too large for defined data type */
+export const ECANCELED = 140; /* Operation canceled */
+export const ENOTRECOVERABLE = 141; /* State not recoverable */
+export const EOWNERDEAD = 142; /* Previous owner died */
+export const ESTRPIPE = 143; /* Streams pipe error */