contentlayer.config.ts

import { defineDocumentType, makeSource } from "contentlayer/source-files";
import readingTime from "reading-time";
import remarkGfm from "remark-gfm";
import rehypeSlug from "rehype-slug";
import rehypeAutolinkHeadings from "rehype-autolink-headings";
import rehypeCodeTitles from "rehype-code-titles";
import rehypePrism from "rehype-prism-plus";
import { rehypeAccessibleEmojis } from "rehype-accessible-emojis";

const Post = defineDocumentType(() => ({
  name: "Post",
  filePathPattern: `**/*.mdx`,
  contentType: "mdx",
  fields: {
    title: {
      type: "string",
      description: "The title of the post",
      required: true,
    },
    date: {
      type: "date",
      description: "The date of the post",
      required: true,
    },
    group: {
      type: "string",
      description: "The group of the post",
      required: true,
    },
  },
  computedFields: {
    url: {
      type: "string",
      resolve: (doc) => `/posts/${doc._raw.flattenedPath}`,
    },
    readingTime: {
      type: "json",
      resolve: (doc) => readingTime(doc.body.raw).text,
    },
  },
}));

export default makeSource({
  contentDirPath: "posts",
  documentTypes: [Post],
  mdx: {
    remarkPlugins: [remarkGfm],
    rehypePlugins: [
      rehypeSlug,
      rehypeCodeTitles,
      rehypePrism,
      [
        rehypeAutolinkHeadings,
        {
          properties: {
            className: ["anchor"],
          },
        },
      ],
      rehypeAccessibleEmojis,
    ],
  },
});