From 002027e478728a92afa174e5bd826ae47c2ad892 Mon Sep 17 00:00:00 2001
From: Will Boyd <will@codersblock.com>
Date: Sat, 24 Feb 2024 09:12:07 -0500
Subject: [PATCH] Nicer error when frontmatter getter missing

---
 src/parser.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/parser.js b/src/parser.js
index cdec4ce..48985f5 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -174,7 +174,13 @@ function populateFrontmatter(posts) {
 		post.frontmatter = {};
 		settings.frontmatter_fields.forEach(field => {
 			[key, alias] = field.split(':');
-			post.frontmatter[alias || key] = frontmatterGetters[key](post);
+
+			let frontmatterGetter = frontmatterGetters[key];
+			if (!frontmatterGetter) {
+				throw `Could not find a frontmatter getter named "${key}".`;
+			}
+
+			post.frontmatter[alias || key] = frontmatterGetter(post);
 		});
 	});
 }