date diff

js/date-difference/index.js

@@ -0,0 +1,10 @@
+const differenceInCalendarDays = require('date-fns/differenceInCalendarDays');
+
+const earlier = new Date(2023, 6, 31);
+const later = new Date(2028, 6, 1);
+
+const dif = differenceInCalendarDays(later, earlier);
+
+console.log('from:', earlier.toLocaleDateString('en-GB', { dateStyle: 'full' }));
+console.log('to:', later.toLocaleDateString('en-GB', { dateStyle: 'full' }));
+console.log(dif);

js/date-difference/package-lock.json

@@ -0,0 +1,31 @@
+{
+  "name": "date-difference",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "date-fns": "^2.29.3"
+      }
+    },
+    "node_modules/date-fns": {
+      "version": "2.29.3",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.29.3.tgz",
+      "integrity": "sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA==",
+      "engines": {
+        "node": ">=0.11"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/date-fns"
+      }
+    }
+  },
+  "dependencies": {
+    "date-fns": {
+      "version": "2.29.3",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.29.3.tgz",
+      "integrity": "sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA=="
+    }
+  }
+}

js/date-difference/package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "date-fns": "^2.29.3"
+  }
+}