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add Temporal + RelativeTimeFormat support #25

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add Temporal + RelativeTimeFormat support #25

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ef3d947
add Temporal + RelativeTimeFormat support
darienreese Mar 20, 2026
6bcdaf6
refactored "When?" message
darienreese Mar 20, 2026
0e5a88c
set time instead of creating timeVal
darienreese Mar 20, 2026
466218b
remove time_ago_2 / temporal methods bc redundant
darienreese Mar 20, 2026
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50 changes: 28 additions & 22 deletions render.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,10 @@ class Markup_Render_Dom { constructor() {
RELATIVE: (href, thing)=> href.replace(/^[/]{0,2}/, "https://"),
ERROR: (href, thing)=> "about:blank#"+href,
}

const RTF = new Intl.RelativeTimeFormat("en", {style: "long"})

const TEMPORAL_SUPPORT = typeof Temporal !== 'undefined'

function filter_url(url, thing) {
try {
Expand All @@ -51,29 +55,22 @@ class Markup_Render_Dom { constructor() {
F: {dateStyle: 'full', timeStyle: 'short'},
R: "relative",
}
function time_ago_2(date) {
if (!date) return "When?"
let t = date.getTime()
if (t<0 || isNaN(t)) return "Never?"
let seconds_away = (t - Date.now()) / 1000
let seconds = Math.abs(seconds_away)

function time_ago_2_base(seconds) {
const seconds_abs = Math.abs(seconds)
let desc = [
[31536000, 1, "year", "years"],
[2592000, 1, "month", "months"],
[86400, 1, "day", "days"],
[3600, 0, "hour", "hours"],
[60, 0, "min", "min"],
].find(desc => seconds > desc[0]*0.96)
[31536000, 1, "year"],
[2592000, 1, "month"],
[86400, 1, "day"],
[3600, 0, "hour"],
[60, 0, "min"],
].find(desc => seconds_abs > desc[0]*0.96)
if (!desc)
return "Just now"
let round = (seconds/desc[0]).toFixed(desc[1]).replace(/[.]0/, "")
let units = +round==1 ? desc[2] : desc[3]
return `${round} ${units} ${seconds_away<=0 ? "ago" : "from now"}`
/*if (seconds <= -0.5)
return " IN THE FUTURE?"
return Math.round(seconds) + " seconds ago"*/
return RTF.format(round, desc[2])
}

let preview

let CREATE = {
Expand Down Expand Up @@ -370,11 +367,20 @@ we should create our own fake bullet elements instead.*/

timestamp: function({time, style}) {
let e = this()
let date = new Date(time===null ? NaN : time)
let str
time = time===null ? NaN : time
const date = TEMPORAL_SUPPORT ? Temporal.Instant.fromEpochMilliseconds(time) : new Date(time)
let str = "When?"
let options = TIME_STYLES[style] || TIME_STYLES.f
if (options==='relative') {
str = time_ago_2(date)
if (options==='relative' && date) {
if (TEMPORAL_SUPPORT) {
str = time_ago_2_base(date.since(Temporal.Now.instant()).total({ unit: 'second' }))
} else {
let t = date.getTime()
if (t<0 || isNaN(t)) return "Never?"
str = time_ago_2_base((t - Date.now()) / 1000)
}
} else if (options==='relative') {
/* leave str as default "When?" since date isn't set */
} else {
str = date.toLocaleString([], options)
}
Expand Down