.eleventy.js

module.exports = function(eleventyConfig) {

	eleventyConfig.addCollection("characters", function(collection) {
		return collection.getFilteredByGlob("characters/*.md").sort((a,b) => {
			if(a.data.title < b.data.title) return -1;
			if(a.data.title > b.date.title) return 1;
			return 0;
		});
	});

	eleventyConfig.addShortcode('excerpt', article => extractExcerpt(article));

	eleventyConfig.addPassthroughCopy("css");

};

// https://keepinguptodate.com/pages/2019/06/creating-blog-with-eleventy/
function extractExcerpt(article) {
	if (!article.hasOwnProperty('templateContent')) {
	  console.warn('Failed to extract excerpt: Document has no property "templateContent".');
	  return null;
	}
   
	let excerpt = null;
	const content = article.templateContent;

	// The start and end separators to try and match to extract the excerpt
	const separatorsList = [
	  { start: '<!-- Excerpt Start -->', end: '<!-- Excerpt End -->' },
	  { start: '<p>', end: '</p>' }
	];
   
	separatorsList.some(separators => {
	  const startPosition = content.indexOf(separators.start);
	  const endPosition = content.indexOf(separators.end);
   
	  if (startPosition !== -1 && endPosition !== -1) {
		excerpt = content.substring(startPosition + separators.start.length, endPosition).trim();
		return true; // Exit out of array loop on first match
	  }
	});
	return excerpt;
  }