From 6ab157fa52aa9a30a1fb65ff7c6553afefca384d Mon Sep 17 00:00:00 2001
From: Willow (GHOST) <git@willow.sh>
Date: Tue, 10 Mar 2026 07:01:22 +0000
Subject: [PATCH] feat: add updated at support

---
 sequoia.schema.json | 5 +++++
 packages/cli/src/lib/atproto.ts | 23 ++++++++++++++++++++++-
 packages/cli/src/lib/markdown.ts | 17 +++++++++++++++++
 packages/cli/src/lib/types.ts | 2 ++
 4 file(s) changed, 46 insertion(s)(+), 1 deletion(s)(-)

diff --git a/sequoia.schema.json b/sequoia.schema.json
--- a/sequoia.schema.json
+++ b/sequoia.schema.json
@@ -70,6 +70,11 @@
 					"description": "Field name for publish date (checks \"publishDate\", \"pubDate\", \"date\", \"createdAt\", and \"created_at\" by default)",
 					"default": "publishDate"
 				},
+				"updatedAt": {
+					"type": "string",
+					"description": "Field name for updated date (checks \"updatedAt\", \"updated_at\", \"modifiedAt\", and \"modified_at\" by default)",
+					"default": "updatedAt"
+				},
 				"coverImage": {
 					"type": "string",
 					"description": "Field name for cover image",
diff --git a/packages/cli/src/lib/atproto.ts b/packages/cli/src/lib/atproto.ts
--- a/packages/cli/src/lib/atproto.ts
+++ b/packages/cli/src/lib/atproto.ts
@@ -26,7 +26,8 @@
 		typeof v.site === "string" &&
 		typeof v.path === "string" &&
 		typeof v.textContent === "string" &&
-		typeof v.publishedAt === "string"
+		typeof v.publishedAt === "string" &&
+		(v.updatedAt === undefined || typeof v.updatedAt === "string")
 	);
 }
 
@@ -252,6 +253,12 @@
 	);
 	const publishDate = new Date(post.frontmatter.publishDate);
 
+	// Handle updatedAt: only set if explicitly provided in frontmatter
+	let updatedAt: Date | undefined;
+	if (post.frontmatter.updatedAt) {
+		updatedAt = new Date(post.frontmatter.updatedAt);
+	}
+
 	// Determine textContent (if enabled): use configured field from frontmatter, or fallback to markdown body
 	let textContent: string | null = null;
 	if (
@@ -273,6 +280,10 @@
 		publishedAt: publishDate.toISOString(),
 		canonicalUrl: `${config.siteUrl}${postPath}`,
 	};
+
+	if (updatedAt) {
+		record.updatedAt = updatedAt.toISOString();
+	}
 
 	if (post.frontmatter.description) {
 		record.description = post.frontmatter.description;
@@ -318,6 +329,11 @@
 	);
 	const publishDate = new Date(post.frontmatter.publishDate);
 
+	// Handle updatedAt: only set if explicitly provided in frontmatter
+	let updatedAt = post.frontmatter.updatedAt
+		? new Date(post.frontmatter.updatedAt)
+		: undefined;
+
 	// Determine textContent (if enabled): use configured field from frontmatter, or fallback to markdown body
 	let textContent: string | null = null;
 	if (
@@ -348,6 +364,10 @@
 		publishedAt: publishDate.toISOString(),
 		canonicalUrl: `${config.siteUrl}${postPath}`,
 	};
+
+	if (updatedAt) {
+		record.updatedAt = updatedAt.toISOString();
+	}
 
 	if (post.frontmatter.description) {
 		record.description = post.frontmatter.description;
@@ -388,6 +408,7 @@
 	path: string;
 	textContent?: string;
 	publishedAt: string;
+	updatedAt?: string;
 	canonicalUrl?: string;
 	description?: string;
 	coverImage?: BlobObject;
diff --git a/packages/cli/src/lib/markdown.ts b/packages/cli/src/lib/markdown.ts
--- a/packages/cli/src/lib/markdown.ts
+++ b/packages/cli/src/lib/markdown.ts
@@ -75,6 +75,23 @@
 		}
 	}
 
+	// Updated date mapping - check custom field first, then fallbacks
+	const updatedAtField = mapping?.updatedAt;
+	if (updatedAtField && raw[updatedAtField]) {
+		frontmatter.updatedAt = raw[updatedAtField];
+	} else if (raw.updatedAt) {
+		frontmatter.updatedAt = raw.updatedAt;
+	} else {
+		// Fallback to common date field names
+		const updatedAtFields = ["updated_at", "modifiedAt", "modified_at"];
+		for (const field of updatedAtFields) {
+			if (raw[field]) {
+				frontmatter.updatedAt = raw[field];
+				break;
+			}
+		}
+	}
+
 	// Cover image mapping
 	const coverField = mapping?.coverImage || "ogImage";
 	frontmatter.ogImage = raw[coverField] || raw.ogImage;
diff --git a/packages/cli/src/lib/types.ts b/packages/cli/src/lib/types.ts
--- a/packages/cli/src/lib/types.ts
+++ b/packages/cli/src/lib/types.ts
@@ -2,6 +2,7 @@
 	title?: string; // Field name for title (default: "title")
 	description?: string; // Field name for description (default: "description")
 	publishDate?: string; // Field name for publish date (default: "publishDate", also checks "pubDate", "date", "createdAt", "created_at")
+	updatedAt?: string; // Field name for updated date (default: "updatedAt", also checks "updated_at", "modifiedAt", "modified_at")
 	coverImage?: string; // Field name for cover image (default: "ogImage")
 	tags?: string; // Field name for tags (default: "tags")
 	draft?: string; // Field name for draft status (default: "draft")
@@ -90,6 +91,7 @@
 	description?: string;
 	bskyPost?: string;
 	publishDate: string;
+	updatedAt?: string;
 	tags?: string[];
 	ogImage?: string;
 	atUri?: string;

--
tangled.sh