44 lines
1.3 KiB
TypeScript
44 lines
1.3 KiB
TypeScript
const numberFormatter = new Intl.NumberFormat(undefined, {
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maximumFractionDigits: 2,
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minimumFractionDigits: 0
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})
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const dateFormatter = new Intl.DateTimeFormat(undefined, {
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year: "numeric",
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month: "2-digit",
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day: "2-digit",
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hour: "2-digit",
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minute: "2-digit",
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hour12: false
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})
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export function formatNumber(num: number): string {
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return numberFormatter.format(num)
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}
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export function formatDate(timestamp: number): string {
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return dateFormatter.format(new Date(timestamp))
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}
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export function formatRelativeTime(timestamp: number, type: "past" | "future") {
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const now = Date.now()
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let diffMs = timestamp - now
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const past = diffMs < 0
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diffMs = Math.abs(diffMs)
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const suffixString = type === "past" ? " ago" : ""
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const seconds = Math.floor(diffMs / 1000)
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const days = Math.floor(seconds / 86400)
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const hours = Math.floor((seconds % 86400) / 3600)
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const minutes = Math.floor((seconds % 3600) / 60)
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const secs = seconds % 60
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const parts: string[] = []
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if (days) parts.push(days + " days,")
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if (hours) parts.push(hours + " hours,")
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if (minutes) parts.push(minutes + " minutes and")
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if (!parts.length || secs) parts.push(secs + " seconds")
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const str = parts.slice(0, 4).join(" ")
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return past ? str + suffixString : "in " + str
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}
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