contentlayer.config.js

import { defineDocumentType, defineNestedType, makeSource } from 'contentlayer/source-files';
import path from 'path';

/** @type {import('contentlayer/source-files').ComputedFields} */
const computedFields = {
	slug: {
		type: 'string',
		resolve: (doc) => doc._raw.flattenedPath.split('/').slice(1).join('/')
	},
	slugFull: {
		type: 'string',
		resolve: (doc) => `/${doc._raw.flattenedPath}`
	},
	fileName: {
		type: 'string',
		resolve: (doc) => path.parse(doc._raw.sourceFilePath.split('/').slice(-1).join('/')).name
	},
	suffix: {
		type: 'string',
		resolve: (doc) => path.parse(doc._raw.sourceFilePath.split('/').slice(-1).join('/')).ext
	}
};

const Author = defineNestedType(() => ({
	name: 'Author',
	fields: {
		name: { type: 'string', required: true },
		handle: { type: 'string', required: true },
		avatar: { type: 'string', required: true }
	}
}));

export const Post = defineDocumentType(() => ({
	name: 'Post',
	filePathPattern: `posts/**/*.md`,
	// contentType: 'mdx',
	fields: {
		draft: {
			type: 'boolean',
			description: 'Disable in production mode',
			default: false
		},
		title: {
			type: 'string',
			required: true
		},
		description: {
			type: 'string'
		},
		date: {
			type: 'date',
			required: true
		},
		authors: {
			type: 'list',
			of: Author,
			required: false
		}
	},
	computedFields
}));

export default makeSource({
	contentDirPath: './content',
	documentTypes: [Post],
	disableImportAliasWarning: true
});