1 import { createLocal } from '../create/local';
2 import { cloneWithOffset } from '../units/offset';
3 import isFunction from '../utils/is-function';
5 export function calendar (time, formats) {
6 // We want to compare the start of today, vs this.
7 // Getting start-of-today depends on whether we're local/utc/offset or not.
8 var now = time || createLocal(),
9 sod = cloneWithOffset(now, this).startOf('day'),
10 diff = this.diff(sod, 'days', true),
11 format = diff < -6 ? 'sameElse' :
12 diff < -1 ? 'lastWeek' :
13 diff < 0 ? 'lastDay' :
14 diff < 1 ? 'sameDay' :
15 diff < 2 ? 'nextDay' :
16 diff < 7 ? 'nextWeek' : 'sameElse';
18 var output = formats && (isFunction(formats[format]) ? formats[format]() : formats[format]);
20 return this.format(output || this.localeData().calendar(format, this, createLocal(now)));