51 lines
1.2 KiB
TypeScript
51 lines
1.2 KiB
TypeScript
// Modified from https://gist.github.com/IbeVanmeenen/4e3e58820c9168806e57530563612886
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// which is based on https://stackoverflow.com/questions/3177836/how-to-format-time-since-xxx-e-g-4-minutes-ago-similar-to-stack-exchange-site
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const epochs = [
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["year", 31536000],
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["month", 2592000],
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["day", 86400],
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["hour", 3600],
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["minute", 60],
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["second", 1]
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] as const
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const getDuration = (timeAgoInSeconds: number) => {
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for (let [name, seconds] of epochs) {
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const interval = Math.floor(timeAgoInSeconds / seconds)
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if (interval >= 1) {
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return {
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interval: interval,
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epoch: name
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}
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}
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}
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return {
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interval: 0,
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epoch: "second"
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}
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}
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const timeAgo = (date: Date) => {
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const timeAgoInSeconds = Math.floor(
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(new Date().getTime() - new Date(date).getTime()) / 1000
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)
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const { interval, epoch } = getDuration(timeAgoInSeconds)
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const suffix = interval === 1 ? "" : "s"
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return `${interval} ${epoch}${suffix} ago`
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}
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const timeUntil = (date: Date) => {
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const timeUntilInSeconds = Math.floor(
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(new Date(date).getTime() - new Date().getTime()) / 1000
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)
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const { interval, epoch } = getDuration(timeUntilInSeconds)
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const suffix = interval === 1 ? "" : "s"
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return `in ${interval} ${epoch}${suffix}`
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}
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export { timeAgo, timeUntil }
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