'use strict';

// fix iterating over NodeList in Chrome and Opera
NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];

// non standard
Node.prototype.prependChild = function(child) {
    if (this.firstChild) {
        this.insertBefore(child, this.firstChild);
    } else {
        this.appendChild(child);
    }
};

// non standard
Promise.prototype.always = function(onResolveOrReject) {
    return this.then(
        onResolveOrReject,
        reason => {
            onResolveOrReject(reason);
            throw reason;
        });
};

// non standard
if (!String.prototype.format) {
    String.prototype.format = function() {
        let str = this.toString();
        if (!arguments.length) {
            return str;
        }
        const type = typeof arguments[0];
        const args = (type == 'string' || type == 'number') ?
            arguments : arguments[0];
        for (let arg in args) {
            str = str.replace(
                new RegExp('\\{' + arg + '\\}', 'gi'),
                () => { return args[arg]; });
        }
        return str;
    };
}

// non standard
Number.prototype.between = function(a, b, inclusive) {
    const min = Math.min(a, b);
    const max = Math.max(a, b);
    return inclusive ?
        this >= min && this <= max :
        this > min && this < max;
};