export function isDef(v) {
    return v !== undefined && v !== null;
}

/**
 * Remove an item from an array.
 */
export function remove(arr, item) {
    if (arr.length) {
        const index = arr.indexOf(item);
        if (index > -1) {
            return arr.splice(index, 1);
        }
    }
}

export function isRegExp(v) {
    return _toString.call(v) === '[object RegExp]';
}

const _toString = Object.prototype.toString;