contentlayer.config.js

import { defineDocumentType, makeSource } from "contentlayer/source-files";

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

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

export default makeSource({
  contentDirPath: "./content",
  documentTypes: [Content],
  mdx: {
    remarkPlugins: [],
    rehypePlugins: [],
  },
});