mirror of
https://github.com/multipleof4/lynchmark.git
synced 2026-01-14 08:37:56 +00:00
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
async function findAvailableSlots(a,b,c){
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const {DateTime}=await import('https://cdn.skypack.dev/luxon')
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const {durationMinutes:d,searchRange:s,workHours:w}=c
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const r=[DateTime.fromISO(s.start),DateTime.fromISO(s.end)]
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const hm=q=>q.split(':').map(Number)
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const [sh,sm]=hm(w.start)
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const [eh,em]=hm(w.end)
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const clamp=o=>{
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let x=DateTime.fromISO(o.start)
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let y=DateTime.fromISO(o.end)
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if(+y<=+r[0]||+x>=+r[1])return
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if(+x<+r[0])x=r[0]
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if(+y>+r[1])y=r[1]
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if(+y<=+x)return
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return{ s:x,e:y}
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}
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const merged=[]
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;[...a,...b].map(clamp).filter(Boolean).sort((x,y)=>+x.s-+y.s).forEach(v=>{
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const last=merged.at(-1)
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if(!last||+v.s>+last.e)merged.push({s:v.s,e:v.e})
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else if(+v.e>+last.e)last.e=v.e
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})
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const gaps=[]
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let cur=r[0]
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merged.forEach(v=>{
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if(+v.s>+cur)gaps.push({s:cur,e:v.s})
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if(+v.e>+cur)cur=v.e
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})
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if(+cur<+r[1])gaps.push({s:cur,e:r[1]})
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const slots=[]
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const step={minutes:d}
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gaps.forEach(g=>{
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for(let day=g.s.startOf('day');+day<+g.e;day=day.plus({days:1})){
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const ws=day.set({hour:sh,minute:sm,second:0,millisecond:0})
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const we=day.set({hour:eh,minute:em,second:0,millisecond:0})
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let u=+ws>+g.s?ws:g.s
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const limit=+we<+g.e?we:g.e
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if(+limit<=+u)continue
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for(;+u.plus(step)<=+limit;u=u.plus(step))slots.push({start:u.toISO(),end:u.plus(step).toISO()})
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}
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})
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return slots
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}
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export default findAvailableSlots; |