Function extractFunctionName

api/src/utils/extract-function-name.ts:5–13

(str: string)

 * Returns null if the string is not a recognized function call.
 */
export function extractFunctionName(str: string): string | null {
	const trimmed = str.trim();

	if (!trimmed.includes('(') || !trimmed.endsWith(')')) {
		return null;
	}

	return trimmed.split('(')[0] ?? null;
}