export function flexibleCompare(a, b) {
if (!a && !b) {
return 0
}
if (b == null) {
return -1
}
if (a == null) {
return 1
}
if ($.type(a) === 'string' || $.type(b) === 'string') {
return String(a).localeCompare(String(b))
}
return a - b
}
export function initScaleProps(timelineView: TimelineView) {
timelineView.labelInterval = queryDurationOption(timelineView, 'slotLabelInterval')
timelineView.slotDuration = queryDurationOption(timelineView, 'slotDuration')
validateLabelAndSlot(timelineView) // validate after computed grid duration
ensureLabelInterval(timelineView)
ensureSlotDuration(timelineView)
let input = timelineView.opt('slotLabelFormat')
const type = $.type(input)
timelineView.headerFormats =
type === 'array' ?
input
: type === 'string' ?
[ input ]
:
computeHeaderFormats(timelineView)
timelineView.isTimeScale = core.durationHasTime(timelineView.slotDuration)
let largeUnit = null
if (!timelineView.isTimeScale) {
const slotUnit = core.computeGreatestUnit(timelineView.slotDuration)
if (/year|month|week/.test(slotUnit)) {
largeUnit = slotUnit
}
}
timelineView.largeUnit = largeUnit
timelineView.emphasizeWeeks = (timelineView.slotDuration.as('days') === 1) &&
(timelineView.currentRangeAs('weeks') >= 2) &&
!timelineView.opt('businessHours')
/*
console.log('label interval =', timelineView.labelInterval.humanize())
console.log('slot duration =', timelineView.slotDuration.humanize())
console.log('header formats =', timelineView.headerFormats)
console.log('isTimeScale', timelineView.isTimeScale)
console.log('largeUnit', timelineView.largeUnit)
*/
let rawSnapDuration = timelineView.opt('snapDuration')
timelineView.snapDuration =
rawSnapDuration ?
moment.duration(rawSnapDuration) :
timelineView.slotDuration
timelineView.snapsPerSlot = core.divideDurationByDuration(timelineView.slotDuration, timelineView.snapDuration)
}