import { formatMoment } from ‘../format/format’; import { hooks } from ‘../utils/hooks’;

hooks.defaultFormat = ‘YYYY-MM-DDTHH:mm:ssZ’;

export function toString () {

return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');

}

export function toISOString () {

var m = this.clone().utc();
if (0 < m.year() && m.year() <= 9999) {
    if ('function' === typeof Date.prototype.toISOString) {
        // native implementation is ~50x faster, use it when we can
        return this.toDate().toISOString();
    } else {
        return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
    }
} else {
    return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
}

}

export function format (inputString) {

var output = formatMoment(this, inputString || hooks.defaultFormat);
return this.localeData().postformat(output);

}