method default.PlatformPath.extname
Usage in Deno
import type mod from "node:path";
PlatformPath.extname(path: string): string
Return the extension of the path, from the last '.' to end of string in the last portion of the path. If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string.
string
TypeError
if path is not a string.