79 lines
2.2 KiB
TypeScript
79 lines
2.2 KiB
TypeScript
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import type { HeadConfig, TransformContext } from "vitepress";
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export function generateMeta(context: TransformContext, hostname: string) {
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const head: HeadConfig[] = [];
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const { pageData } = 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.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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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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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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}
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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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