getExtensionName

The getExtensionName() function returns the last extension of a path, without the dot.

WARNING

Works only with POSIX paths (not Windows paths).

Interactive example

Syntax

function getExtensionName<
	GenericPath extends string
>(
	path: GenericPath
): string | null;

Parameters

• path : The path to analyze.

Return value

The extension without the dot (e.g. txt) or null when none is found.

See also

• getBaseName - Returns the last segment of a path
• getParentFolderPath - Returns the parent folder