Dynamic frontmatter loading

package-lock.json

@@ -17,6 +17,7 @@
 				"luxon": "^3.4.4",
 				"request": "^2.88.2",
 				"request-promise-native": "^1.0.8",
+				"require-directory": "^2.1.1",
 				"turndown": "^7.1.2",
 				"turndown-plugin-gfm": "^1.0.2",
 				"xml2js": "^0.6.2"
@@ -1545,6 +1546,14 @@
 				"request": "^2.34"
 			}
 		},
+		"node_modules/require-directory": {
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
+			"integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==",
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
 		"node_modules/resolve-from": {
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",

package.json

@@ -28,6 +28,7 @@
 		"luxon": "^3.4.4",
 		"request": "^2.88.2",
 		"request-promise-native": "^1.0.8",
+		"require-directory": "^2.1.1",
 		"turndown": "^7.1.2",
 		"turndown-plugin-gfm": "^1.0.2",
 		"xml2js": "^0.6.2"

src/parser.js

@@ -1,16 +1,13 @@
 const fs = require('fs');
+const requireDirectory = require('require-directory');
 const xml2js = require('xml2js');
 
 const shared = require('./shared');
+const settings = require('./settings');
 const translator = require('./translator');
 
-const frontmatter = {
-	title: require('./frontmatter/title'),
-	date: require('./frontmatter/date'),
-	categories: require('./frontmatter/categories'),
-	tags: require('./frontmatter/tags'),
-	coverImage: require('./frontmatter/coverImage'),
-};
+// dynamically requires all frontmatter loaders
+const frontmatterLoaders = requireDirectory(module, './frontmatter', { recurse: false });
 
 async function parseFilePromise(config) {
 	console.log('\nParsing...');
@@ -174,13 +171,11 @@ function mergeImagesIntoPosts(images, posts) {
 
 function populateFrontmatter(posts) {
 	posts.forEach(post => {
-		post.frontmatter = {
-			title: frontmatter.title(post),
-			date: frontmatter.date(post),
-			categories: frontmatter.categories(post),
-			tags: frontmatter.tags(post),
-			coverImage: frontmatter.coverImage(post)
-		}
+		post.frontmatter = {};
+		settings.frontmatter_fields.forEach(field => {
+			[key, alias] = field.split(':');
+			post.frontmatter[alias || key] = frontmatterLoaders[key](post);
+		});
 	});
 }