contentlayer.config.js

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

/** @type {import('contentlayer/source-files').ComputedFields} */
const computedFields = {
  slug: {
    type: "string",
    resolve: (doc) => doc._raw.flattenedPath.replace("blog/", "").replace("projects/", ""),
  },
};

export const Blog = defineDocumentType(() => ({
  name: "Blog",
  filePathPattern: `blog/**/*.mdx`,
  contentType: "mdx",
  fields: {
    title: {
      type: "string",
      required: true,
    },
    date: {
      type: "string",
      required: true,
    },
    summary: {
      type: "string",
      required: true,
    },
    image: {
      type: "string",
      required: true,
    },
    technologies: {
      type: "list",
      of: { type: "string" },
      required: true,
    },
    tags: {
      type: "list",
      of: { type: "string" },
      required: true,
    },
    medium: {
      type: "string",
      required: false,
    },
  },
  computedFields,
}));

export const Project = defineDocumentType(() => ({
  name: "Project",
  filePathPattern: `projects/**/*.mdx`,
  contentType: "mdx",
  fields: {
    title: {
      type: "string",
      required: true,
    },
    summary: {
      type: "string",
      required: true,
    },
    github: {
      type: "string",
      required: false,
    },
    url: {
      type: "string",
      required: false,
    },
    technologies: {
      type: "list",
      of: { type: "string" },
      required: true,
    },
    image: {
      type: "string",
      required: true,
    },
  },
  computedFields,
}));

export default makeSource(
  {
    contentDirPath: "content",
    documentTypes: [Blog, Project],
    mdx: {
      remarkPlugins: [remarkGfm],
      rehypePlugins: [
        rehypeSlug,
        [
          rehypePrettyCode,
          {
            theme: "slack-ochin",
            onVisitLine(node) {
              // Prevent lines from collapsing in `display: grid` mode, and allow empty
              // lines to be copy/pasted
              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"],
            },
          },
        ],
      ],
    },
  },
  {
    contentDirPath: "projects",
    documentTypes: [Project],
    mdx: {
      remarkPlugins: [remarkGfm],
      rehypePlugins: [
        rehypeSlug,
        [
          rehypeAutolinkHeadings,
          {
            properties: {
              className: ["anchor"],
            },
          },
        ],
      ],
    },
  }
);