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111 lines
3.4 KiB
TypeScript
111 lines
3.4 KiB
TypeScript
import type { HeadConfig, TransformContext } from "vitepress"
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import type { DocsPageData } from '../../theme/plugins/component'
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function generateMeta(context: TransformContext, hostname: string) {
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const head: HeadConfig[] = []
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const { pageData }: { pageData: DocsPageData } = context
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const url = `${hostname}/${pageData.relativePath.replace(/((^|\/)index)?\.md$/, "$2")}`
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head.push(["link", { rel: "canonical", href: url }])
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head.push(["meta", { property: "og:url", content: url }])
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head.push(["meta", { name: "twitter:url", content: url }])
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head.push(["meta", { name: "twitter:card", content: "summary_large_image" }])
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if (pageData.frontmatter.theme) {
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head.push(["meta", { name: "theme-color", content: pageData.frontmatter.theme }])
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}
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if (pageData.frontmatter.type) {
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head.push(["meta", { property: "og:type", content: pageData.frontmatter.type }])
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}
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if (pageData.frontmatter.customMetaTitle) {
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head.push([
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"meta",
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{
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property: "og:title",
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content: pageData.frontmatter.customMetaTitle,
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},
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])
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head.push([
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"meta",
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{
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name: "twitter:title",
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content: pageData.frontmatter.customMetaTitle,
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},
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])
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head.push(["meta", { property: "og:site_name", content: "" }])
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} else {
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head.push(["meta", { property: "og:title", content: pageData.frontmatter.title }])
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head.push(["meta", { name: "twitter:title", content: pageData.frontmatter.title }])
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}
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if (pageData.frontmatter.description) {
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head.push([
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"meta",
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{
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property: "og:description",
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content: pageData.frontmatter.description,
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},
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])
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head.push([
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"meta",
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{
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name: "twitter:description",
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content: pageData.frontmatter.description,
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},
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])
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}
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if (pageData.frontmatter.image) {
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head.push([
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"meta",
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{
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property: "og:image",
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content: `${hostname}/${pageData.frontmatter.image.replace(/^\//, "")}`,
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},
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])
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head.push([
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"meta",
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{
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name: "twitter:image",
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content: `${hostname}/${pageData.frontmatter.image.replace(/^\//, "")}`,
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},
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])
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} else {
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const url = pageData.filePath.replace("index.md", "").replace(".md", "")
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const imageUrl = `${url}/__og_image__/og.png`.replace(/\/\//g, "/").replace(/^\//, "")
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head.push(["meta", { property: "og:image", content: `${hostname}/${imageUrl}` }])
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head.push(["meta", { property: "og:image:width", content: "1200" }])
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head.push(["meta", { property: "og:image:height", content: "628" }])
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head.push(["meta", { property: "og:image:type", content: "image/png" }])
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head.push(["meta", { property: "og:image:alt", content: pageData.frontmatter.title }])
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head.push(["meta", { name: "twitter:image", content: `${hostname}/${imageUrl}` }])
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head.push(["meta", { name: "twitter:image:width", content: "1200" }])
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head.push(["meta", { name: "twitter:image:height", content: "628" }])
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head.push(["meta", { name: "twitter:image:alt", content: pageData.frontmatter.title }])
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}
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if (pageData.frontmatter.tag) {
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head.push(["meta", { property: "article:tag", content: pageData.frontmatter.tag }])
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}
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if (pageData.frontmatter.date) {
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head.push([
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"meta",
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{
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property: "article:published_time",
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content: pageData.frontmatter.date,
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},
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])
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}
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if (pageData.lastUpdated && pageData.frontmatter.lastUpdated !== false) {
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head.push([
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"meta",
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{
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property: "article:modified_time",
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content: new Date(pageData.lastUpdated).toISOString(),
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},
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])
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}
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return head
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}
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export default generateMeta |