useUpdateNotification.ts

hooks/useUpdateNotification.ts

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982

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Exports

Imports

Keywords

What this is

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Beginner explanation

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How it is used

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Expert explanation

Architecturally, this file intersects with general runtime concerns. It contains 35 lines, 2 detected imports, and 3 detected exports.

Important relationships

Detected exports

getSemverPart
shouldShowUpdateNotification
useUpdateNotification

Keywords

updatedsemverversionupdatedversiongetsemverpartlastnotifiedsemverlooseusestatemajorminorpatch

Detected imports

react
semver

Source notes

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Full source

import { useState } from 'react'
import { major, minor, patch } from 'semver'

export function getSemverPart(version: string): string {
  return `${major(version, { loose: true })}.${minor(version, { loose: true })}.${patch(version, { loose: true })}`
}

export function shouldShowUpdateNotification(
  updatedVersion: string,
  lastNotifiedSemver: string | null,
): boolean {
  const updatedSemver = getSemverPart(updatedVersion)
  return updatedSemver !== lastNotifiedSemver
}

export function useUpdateNotification(
  updatedVersion: string | null | undefined,
  initialVersion: string = MACRO.VERSION,
): string | null {
  const [lastNotifiedSemver, setLastNotifiedSemver] = useState<string | null>(
    () => getSemverPart(initialVersion),
  )

  if (!updatedVersion) {
    return null
  }

  const updatedSemver = getSemverPart(updatedVersion)
  if (updatedSemver !== lastNotifiedSemver) {
    setLastNotifiedSemver(updatedSemver)
    return updatedSemver
  }
  return null
}