export var defaultRelativeTime = {

future : 'in %s',
past   : '%s ago',
s  : 'a few seconds',
m  : 'a minute',
mm : '%d minutes',
h  : 'an hour',
hh : '%d hours',
d  : 'a day',
dd : '%d days',
M  : 'a month',
MM : '%d months',
y  : 'a year',
yy : '%d years'

};

export function relativeTime (number, withoutSuffix, string, isFuture) {

var output = this._relativeTime[string];
return (typeof output === 'function') ?
    output(number, withoutSuffix, string, isFuture) :
    output.replace(/%d/i, number);

}

export function pastFuture (diff, output) {

var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);

}