contentlayer.config.js

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

/**@type {import('contentlayer/source-files').ComputedFields} */
const computedFields = {
  slug: {
    type: "string",
    resolve: (doc) => `˙/${doc._raw.flattenedPath}`,
  },
  slugAsParams: {
    type: "string",
    resolve: (doc) => doc._raw.flattenedPath.split("/").slice(1).join("/"),
  },
};

export const Blog = defineDocumentType(() => ({
  name: "Blog",
  filePathPattern: `blogs/**/*.mdx`,
  contentType: "mdx",
  fields: {
    title: {
      type: "string",
      required: true,
    },
    description: {
      type: "string",
      required: true,
    },
    github: {
      type: "string",
      required: false,
    },
    url: {
      type: "string",
      required: false,
    },
    tag: {
      type: "string",
      required: true,
    },
    image: {
      type: "string",
      required: true,
    },
    date: {
      type: "date",
      required: true,
    },
  },
  computedFields,
}));

export default makeSource({
  contentDirPath: "src/content",
  documentTypes: [Blog],
  mdx: {
    remarkPlugins: [remarkGfm],
    rehypePlugins: [
      [
        rehypePrettyCode,
        {
          theme: "github-dark",
          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.push("line--highlighted");
          },
        },
      ],
    ],
  },
});