export function contains()

in src/js/modules/belt.js [228:235]

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

export function contains(a, b) {

    if (Array.isArray(b)) {
        return b.some(x => a.indexOf(x) > -1);
    }

    return a.indexOf(b) > -1;
}