block14.js

posts.forEach(({ node }, index) => {
	const path = node.frontmatter.path;
	createPage({
		path,
		component: blogPostTemplate,
		context: {
			pathSlug: path,
			prev: index === 0 ? null : posts[index - 1].node,
			next: index === posts.length - 1 ? null : posts[index + 1].node
		}
	});
	resolve();
});