The says:

ENAMETOOLONG Indicates that the filename is too long.

but, how long is too long, if I am to prevent it from happening myself beforehand?

1 Answer

It depends on OS you running node.

BTRFS 255 bytes
exFAT 255 UTF-16 characters
ext2 255 bytes
ext3 255 bytes
ext3cow 255 bytes
ext4 255 bytes
FAT32 8.3 (255 UCS-2 code units with VFAT LFNs)
NTFS 255 characters
XFS 255 bytes

More information here:

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