Only read the file if it's a file (not a directory).
Only read the file if it's a file (not a directory).

boopathi/sw-precache,marco-c/sw-precache,boopathi/sw-precache,marco-c/sw-precache,localnerve/sw-precache,GoogleChromeLabs/sw-precache,GoogleChromeLabs/sw-precache,localnerve/sw-precache