function checkUndefinedGreaterThanZero()

in lib/cache.js [106:117]

• 10 lines of code
• 6 McCabe index (conditional complexity)

function checkUndefinedGreaterThanZero(val, name) {

    if (val !== undefined) {
        if (typeof val !== "number") {
            throw { message: "'" + name + "' must be a number." };
        }

        if (isNaN(val) || val <= 0 || !isFinite(val)) {
            throw { message: "'" + name + "' must be greater than zero." };
        }
    }
}