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: "slug",
    resolve: (doc) => `/${doc._raw.flattenedPath}`,
  },
  slugAsParams: {
    type: "slug",
    resolve: (doc) =>
      `/${doc._raw.flattenedPath.split("/").slice(1).join("/")}`,
  },
};

export const Doc = defineDocumentType(() => ({
  name: "Doc",
  filePathPattern: `**/*.mdx`,
  contentType: "mdx",
  fields: {
    title: {
      type: "string",
      required: true,
    },
    description: {
      type: "string",
    },
    tags: {
      type: "list",
      of: { type: "string" },
    },
  },
  computedFields,
}));

export default makeSource({
  contentDirPath: "src/content",
  documentTypes: [Doc],
  mdx: {
    remarkPlugins: [remarkGfm],
    rehypePlugins: [
      rehypeSlug,
      [
        rehypePrettyCode,
        {
          theme: {
            dark: "github-dark-dimmed",
            light: "github-light",
          },
        },
      ],
      [
        rehypeAutolinkHeadings,
        {
          properties: {
            className: ["subheading-anchor"],
            ariaLabel: "Link to section",
          },
        },
      ],
    ],
  },
});