feat: updated date parsing logic

eleventy.config.js

@@ -4,6 +4,7 @@ const markdownItFootnote = require("markdown-it-footnote");
 const markdownItMermaid = require('markdown-it-mermaid').default
 const syntaxHighlight = require("@11ty/eleventy-plugin-syntaxhighlight");
 const fs = require("fs");
+const { DateTime } = require("luxon");
 
 const tagPattern = /(?<=^|\s)#([a-zA-Z][a-zA-Z0-9_]*)(?![a-zA-Z0-9_-])/g;
 
@@ -111,18 +112,30 @@ module.exports = (eleventyConfig) => {
   eleventyConfig.setLibrary("md", md);
 
   eleventyConfig.addFilter("dateFormat", (date) => {
-    const d = new Date(date);
-    return d.toLocaleDateString('en-US', {
-      year: 'numeric',
-      month: 'long',
-      day: 'numeric',
-      timeZone: 'UTC'
-    });
+    const dt = date instanceof Date 
+      ? DateTime.fromJSDate(date)
+      : DateTime.fromISO(date);
+    return dt.toFormat('MMMM d, yyyy');
   });
 
   eleventyConfig.addFilter("isoDate", (date) => {
-    const d = new Date(date);
-    return d.toISOString().split('T')[0];
+    const dt = date instanceof Date 
+      ? DateTime.fromJSDate(date)
+      : DateTime.fromISO(date);
+    return dt.toISODate();
+  });
+
+  eleventyConfig.addFilter("isMoreThanHourAfter", (date1, date2) => {
+    if (!date1 || !date2) return false;
+    const toDateTime = (d) => {
+      if (DateTime.isDateTime(d)) return d;
+      if (d instanceof Date) return DateTime.fromJSDate(d);
+      return DateTime.fromISO(d);
+    };
+    const dt1 = toDateTime(date1);
+    const dt2 = toDateTime(date2);
+    const diff = dt1.diff(dt2, 'hours').hours;
+    return Math.abs(diff) > 1;
   });
 
   eleventyConfig.addCollection("posts", (collectionApi) => {