huly-platform/packages/ui/src/components/TimeLeft.svelte

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// Copyright © 2024 Hardcore Engineering Inc.
//
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
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// distributed under the License is distributed on an "AS IS" BASIS,
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<script lang="ts">
  import { createEventDispatcher, onDestroy } from 'svelte'
  import { Timestamp } from '@hcengineering/core'

  import { Label } from '..'
  import ui from '../plugin'

  export let time: Timestamp
  export let showHours = false

  const dispatch = createEventDispatcher()

  let displayTime = time
  let notified = false
  let intervalId: any | undefined = undefined
  const dayMs = 1000 * 60 * 60 * 24

  function applyTimer (time: number): void {
    if (intervalId !== undefined) {
      clearInterval(intervalId)
    }

    displayTime = Math.max(0, time - Date.now())
    notified = false
    intervalId = setInterval(() => {
      displayTime = Math.max(0, time - Date.now())

      if (displayTime === 0 && !notified) {
        notified = true
        dispatch('timeout')
      }
    }, 1000)
  }

  export function restart (time: number): void {
    applyTimer(time)
  }

  $: applyTimer(time)

  onDestroy(() => {
    if (intervalId !== undefined) {
      clearInterval(intervalId)
    }
  })

  function getDisplayTime (time: number): string {
    const options: Intl.DateTimeFormatOptions = { minute: 'numeric', second: 'numeric' }
    if (showHours) {
      options.timeZone = 'UTC'
      options.hour = 'numeric'
    }

    return new Date(time).toLocaleString('default', options)
  }
</script>

{#if displayTime > 0}
  {#if displayTime < dayMs}
    {getDisplayTime(displayTime)}
  {:else}
    <Label label={ui.string.Days} params={{ days: Math.floor(displayTime / dayMs) }} />
  {/if}
{/if}