next.config.js

const indexSearch = require('./plugins/search-index');
const feed = require('./plugins/feed');
const sitemap = require('./plugins/sitemap');
// const socialImages = require('./plugins/socialImages'); //TODO: failing to run on Netlify

/** @type {import('next').NextConfig} */
const nextConfig = {
	reactStrictMode: true,

	// By default, Next.js removes the trailing slash. One reason this would be good
	// to include is by default, the `path` property of the router for the homepage
	// is `/` and by using that, would instantly create a redirect

	trailingSlash: true,

	// By enabling verbose logging, it will provide additional output details for
	// diagnostic purposes. By default, it is set to false.
	// verbose: true,

	env: {
		// The image directory for open graph images will be saved at the location above
		// with `public` prepended. By default, images will be saved at /public/images/og
		// and available at /images/og. If changing, make sure to update the .gitignore

		OG_IMAGE_DIRECTORY: '/images/og',

		// By default, only render this number of post pages ahead of time, otherwise
		// the rest will be rendered on-demand
		POSTS_PRERENDER_COUNT: parseEnvValue(process.env.POSTS_PRERENDER_COUNT, '5'),

		WORDPRESS_GRAPHQL_ENDPOINT: process.env.WORDPRESS_GRAPHQL_ENDPOINT,
		WORDPRESS_MENU_LOCATION_NAVIGATION: process.env.WORDPRESS_MENU_LOCATION_NAVIGATION || 'PRIMARY',
		WORDPRESS_PLUGIN_SEO: parseEnvValue(process.env.WORDPRESS_PLUGIN_SEO, 'false'),
	},
	images: {
		// The image optimization needs to be disabled in a static export
		unoptimized: true,
	},
	distDir: 'build',
	output: 'export',
};

module.exports = () => {
	const plugins = [indexSearch, feed, sitemap];
	return plugins.reduce((acc, plugin) => plugin(acc), nextConfig);
};

/**
 * parseEnv
 * @description Helper function to check if a variable is defined and parse booleans
 */

function parseEnvValue(value, defaultValue) {
	if (typeof value === 'undefined') return defaultValue;
	if (value === true || value === 'true') return 'true';
	if (value === false || value === 'false') return 'false';
	return value;
}