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// Convert the Date() to the truncated ISO string: YYYY-MM-DD HH:MM.
function lsw_date2iso(d) {
// Force to UTC?
if (d && d.toISOString && !isNaN(d)) {
d = d.toISOString()
d = d.match("([^T]*)T([0-9]*:[0-9]*)")
return d[1] + " " + d[2]
} else {
console.log("not a date", d, new Error().stack)
return ">>> " + d + " <<<"
}
}
// convert Date(l)-Date(r) to hours:minutes:seconds
function subtime(l, r) {
let ms = (Number(l) - Number(r))
let hours = ms / 1000 / 60 / 60
let minutes = (ms / 1000 / 60) % 60
let seconds = (ms / 1000) % 60
// can you believe this!
ps = (n) => Math.trunc(n).toString().padStart(2, "0")
// prints 0:01:00
return Math.trunc(hours) + ":" + ps(minutes) + ":" + ps(seconds)
}
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