Files
grateful-journal/src/hooks/usePageMeta.ts

44 lines
1.3 KiB
TypeScript

import { useEffect } from 'react'
interface PageMeta {
title: string
description: string
canonical: string
ogTitle?: string
ogDescription?: string
}
export function usePageMeta({ title, description, canonical, ogTitle, ogDescription }: PageMeta) {
useEffect(() => {
document.title = title
setMeta('name', 'description', description)
setMeta('property', 'og:title', ogTitle ?? title)
setMeta('property', 'og:description', ogDescription ?? description)
setMeta('property', 'og:url', canonical)
setMeta('name', 'twitter:title', ogTitle ?? title)
setMeta('name', 'twitter:description', ogDescription ?? description)
setLink('canonical', canonical)
}, [title, description, canonical, ogTitle, ogDescription])
}
function setMeta(attr: 'name' | 'property', key: string, value: string) {
let el = document.querySelector<HTMLMetaElement>(`meta[${attr}="${key}"]`)
if (!el) {
el = document.createElement('meta')
el.setAttribute(attr, key)
document.head.appendChild(el)
}
el.setAttribute('content', value)
}
function setLink(rel: string, href: string) {
let el = document.querySelector<HTMLLinkElement>(`link[rel="${rel}"]`)
if (!el) {
el = document.createElement('link')
el.setAttribute('rel', rel)
document.head.appendChild(el)
}
el.setAttribute('href', href)
}