contentlayer.config.js

import { defineDocumentType, makeSource } from "contentlayer/source-files";
import rehypeAutolinkHeadings from "rehype-autolink-headings";
import rehypePrettyCode from "rehype-pretty-code";
import rehypeSlug from "rehype-slug";
import remarkGfm from "remark-gfm";

/** @type {import('contentlayer/source-files').ComputedFields} */
const computedFields = {
  slug: {
    type: "string",
    resolve: (doc) => doc._raw.flattenedPath,
  },
  structuredData: {
    type: "object",
    resolve: (doc) => ({
      "@context": "https://schema.org",
      "@type": "BlogPosting",
      headline: doc.title,
      datePublished: doc.publishedAt,
      dateModified: doc.publishedAt,
      description: doc.summary,
      image: doc.cover
        ? `https://polgubau.com/media/${doc.title}/${doc.cover}`
        : `https://polgubau.com/og?title=${doc.title}`,
      url: `https://polgubau.com/projects/${doc._raw.flattenedPath}`,
      author: {
        "@type": "Person",
        name: "Pol Gubau Amores",
      },
    }),
  },
};

// Define "Project" document type
export const Project = defineDocumentType(() => ({
  name: "Project",
  filePathPattern: "projects/*.mdx",
  contentType: "mdx",
  fields: {
    title: { type: "string", required: true },
    summary: { type: "string", required: true },
    available: { type: "boolean" },
    startedAt: { type: "string", required: true },
    endedAt: { type: "string" },
    color: { type: "string" },
    link: { type: "string" },
    githubLink: { type: "string" },
    npmCommand: { type: "string" },
    npmLink: { type: "string" },
    cover: { type: "string", required: true },
    category: { type: "string", required: true },
    tech: { type: "list", of: { type: "string" }, default: [] },
    audio: { type: "list", of: { type: "string" }, default: [] },
  },
  computedFields,
}));

// Define "Blog" document type
export const Blog = defineDocumentType(() => ({
  name: "Blog",
  filePathPattern: "blog/*.mdx",
  contentType: "mdx",

  fields: {
    title: { type: "string", required: true },
    publishedAt: { type: "string", required: true },
    summary: { type: "string", required: true },
    cover: { type: "string" },
    tags: { type: "list", of: { type: "string" }, default: [] },
  },
  computedFields,
}));

export default makeSource({
  contentDirPath: "./src/content",
  documentTypes: [Blog, Project],
  mdx: {
    remarkPlugins: [remarkGfm],
    rehypePlugins: [
      rehypeSlug,
      [
        rehypePrettyCode,
        {
          defaultLang: "js",
          theme: "one-dark-pro",
          onVisitLine(node) {
            if (node.children.length === 0) {
              node.children = [{ type: "text", value: " " }];
            }
          },
          onVisitHighlightedLine(node) {
            node.properties.className.push("line--highlighted");
          },
          onVisitHighlightedWord(node) {
            node.properties.className = ["word--highlighted"];
          },
        },
      ],
      [
        rehypeAutolinkHeadings,
        {
          properties: {
            className: ["anchor"],
          },
        },
      ],
    ],
  },
});