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method default.PlatformPath.extname
#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.

Parameters #

#path: string

the path to evaluate.

Return Type #

string

Throws #

TypeError

if path is not a string.