Function optionalStringArray

src/parse.ts:93–103

(argumentName: string, rawValue: string[])

}

export function optionalStringArray(argumentName: string, rawValue: string[]): string[] | undefined {
    if (rawValue.length === 0) {
        return undefined;
    }

    if (typeof rawValue === "string") {
        throw new Error(`${argumentName}: invalid parameter - you provided "${rawValue}". This option expects an list in the EXACT format described in the readme`);
    }

    return rawValue;
}