import { siteConfig } from '@/lib/config'
import { useGlobal } from '@/lib/global'
import { loadExternalResource } from '@/lib/utils'
import Head from 'next/head'
import { useRouter } from 'next/router'
import { useEffect } from 'react'
/**
* 页面的Head头，有用于SEO
* @param {*} param0
* @returns
*/
const SEO = props => {
const { children, siteInfo, post, NOTION_CONFIG } = props
const PATH = siteConfig('PATH')
const LINK = siteConfig('LINK')
const SUB_PATH = siteConfig('SUB_PATH', '')
let url = PATH?.length
? `${LINK}/${SUB_PATH}`
: LINK
let image
const router = useRouter()
const meta = getSEOMeta(props, router, useGlobal()?.locale)
const webFontUrl = siteConfig('FONT_URL')
useEffect(() => {
// 使用WebFontLoader字体加载
loadExternalResource(
'https://cdnjs.cloudflare.com/ajax/libs/webfont/1.6.28/webfontloader.js',
'js'
).then(url => {
const WebFont = window?.WebFont
if (WebFont) {
// console.log('LoadWebFont', webFontUrl)
WebFont.load({
custom: {
// families: ['"LXGW WenKai"'],
urls: webFontUrl
}
})
}
})
}, [])
// SEO关键词
const KEYWORDS = siteConfig('KEYWORDS')
let keywords = meta?.tags || KEYWORDS
if (post?.tags && post?.tags?.length > 0) {
keywords = post?.tags?.join(',')
}
if (meta) {
url = `${url}/${meta.slug}`
image = meta.image || '/bg_image.jpg'
}
const TITLE = siteConfig('TITLE')
const title = meta?.title || TITLE
const description = meta?.description || `${siteInfo?.description}`
const type = meta?.type || 'website'
const lang = siteConfig('LANG').replace('-', '_') // Facebook OpenGraph 要 zh_CN 這樣的格式才抓得到語言
const category = meta?.category || KEYWORDS // section 主要是像是 category 這樣的分類，Facebook 用這個來抓連結的分類
const favicon = siteConfig('BLOG_FAVICON')
const BACKGROUND_DARK = siteConfig('BACKGROUND_DARK', '', NOTION_CONFIG)
const SEO_BAIDU_SITE_VERIFICATION = siteConfig(
'SEO_BAIDU_SITE_VERIFICATION',
null,
NOTION_CONFIG
)
const SEO_GOOGLE_SITE_VERIFICATION = siteConfig(
'SEO_GOOGLE_SITE_VERIFICATION',
null,
NOTION_CONFIG
)
const BLOG_FAVICON = siteConfig('BLOG_FAVICON', null, NOTION_CONFIG)
const COMMENT_WEBMENTION_ENABLE = siteConfig(
'COMMENT_WEBMENTION_ENABLE',
null,
NOTION_CONFIG
)
const COMMENT_WEBMENTION_HOSTNAME = siteConfig(
'COMMENT_WEBMENTION_HOSTNAME',
null,
NOTION_CONFIG
)
const COMMENT_WEBMENTION_AUTH = siteConfig(
'COMMENT_WEBMENTION_AUTH',
null,
NOTION_CONFIG
)
const ANALYTICS_BUSUANZI_ENABLE = siteConfig(
'ANALYTICS_BUSUANZI_ENABLE',
null,
NOTION_CONFIG
)
const FACEBOOK_PAGE = siteConfig('FACEBOOK_PAGE', null, NOTION_CONFIG)
const AUTHOR = siteConfig('AUTHOR')
return (
{title}
{SEO_GOOGLE_SITE_VERIFICATION && (
)}
{SEO_BAIDU_SITE_VERIFICATION && (
)}
{COMMENT_WEBMENTION_ENABLE && (
<>
{COMMENT_WEBMENTION_AUTH && (
)}
)}
{ANALYTICS_BUSUANZI_ENABLE && (
)}
{meta?.type === 'Post' && (
<>
)}
{children}
)
}
/**
* 获取SEO信息
* @param {*} props
* @param {*} router
*/
const getSEOMeta = (props, router, locale) => {
const { post, siteInfo, tag, category, page } = props
const keyword = router?.query?.s
const TITLE = siteConfig('TITLE')
switch (router.route) {
case '/':
return {
title: `${siteInfo?.title} | ${siteInfo?.description}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: '',
type: 'website'
}
case '/archive':
return {
title: `${locale.NAV.ARCHIVE} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: 'archive',
type: 'website'
}
case '/page/[page]':
return {
title: `${page} | Page | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: 'page/' + page,
type: 'website'
}
case '/category/[category]':
return {
title: `${category} | ${locale.COMMON.CATEGORY} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
slug: 'category/' + category,
image: `${siteInfo?.pageCover}`,
type: 'website'
}
case '/category/[category]/page/[page]':
return {
title: `${category} | ${locale.COMMON.CATEGORY} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
slug: 'category/' + category,
image: `${siteInfo?.pageCover}`,
type: 'website'
}
case '/tag/[tag]':
case '/tag/[tag]/page/[page]':
return {
title: `${tag} | ${locale.COMMON.TAGS} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: 'tag/' + tag,
type: 'website'
}
case '/search':
return {
title: `${keyword || ''}${keyword ? ' | ' : ''}${locale.NAV.SEARCH} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: 'search',
type: 'website'
}
case '/search/[keyword]':
case '/search/[keyword]/page/[page]':
return {
title: `${keyword || ''}${keyword ? ' | ' : ''}${locale.NAV.SEARCH} | ${siteInfo?.title}`,
description: TITLE,
image: `${siteInfo?.pageCover}`,
slug: 'search/' + (keyword || ''),
type: 'website'
}
case '/404':
return {
title: `${siteInfo?.title} | 页面找不到啦`,
image: `${siteInfo?.pageCover}`
}
case '/tag':
return {
title: `${locale.COMMON.TAGS} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: 'tag',
type: 'website'
}
case '/category':
return {
title: `${locale.COMMON.CATEGORY} | ${siteInfo?.title}`,
description: `${siteInfo?.description}`,
image: `${siteInfo?.pageCover}`,
slug: 'category',
type: 'website'
}
default:
return {
title: post
? `${post?.title} | ${siteInfo?.title}`
: `${siteInfo?.title} | loading`,
description: post?.summary,
type: post?.type,
slug: post?.slug,
image: post?.pageCoverThumbnail || `${siteInfo?.pageCover}`,
category: post?.category?.[0],
tags: post?.tags
}
}
}
export default SEO