feat: use custom time ago formatter

package.json

@@ -27,7 +27,6 @@
 		"anchor-js": "^5.0.0",
 		"astro": "^4.14.3",
 		"astro-seo": "^0.8.4",
-		"date-fns": "^3.6.0",
 		"dompurify": "^3.1.6",
 		"effect": "^3.6.5",
 		"fflate": "^0.8.2",

src/scripts/time-ago.ts

@@ -1,6 +1,27 @@
-import { formatDistanceStrict } from "date-fns";
 import { defineComponent } from "./define-component";
 
 export const timeAgo = defineComponent((timestamp: string) => ({
-	text: formatDistanceStrict(new Date(timestamp), new Date(), { addSuffix: true }),
+	text: formatTimeAgo(timestamp),
 }));
+
+const formatTimeAgo = (timestamp: string) => {
+	const units = [
+		["year", 365 * 24 * 60 * 60 * 1000],
+		["month", 30 * 24 * 60 * 60 * 1000],
+		["day", 24 * 60 * 60 * 1000],
+		["hour", 60 * 60 * 1000],
+		["minute", 60 * 1000],
+		["second", 1000],
+	] as const;
+	const diff = Date.now() - new Date(timestamp).getTime();
+	const elapsed = Math.abs(diff);
+	for (const [name, size] of units) {
+		const value = Math.floor(elapsed / size);
+		if (value > 0) {
+			const plural = value > 1 ? "s" : "";
+			const description = `${value} ${name}${plural}`;
+			return diff > 0 ? `${description} ago` : `in ${description}`;
+		}
+	}
+	return "just now";
+};