1 files changed, 18 insertions, 0 deletions
diff --git a/html/assets/js/plugins/intersecting.js b/html/assets/js/plugins/intersecting.js
new file mode 100644
index 0000000..87faf61
--- /dev/null
+++ b/html/assets/js/plugins/intersecting.js
@@ -0,0 +1,18 @@
+$$plugins.define('intersecting', function (element, options) {
+    const el = document.querySelector(options.target);
+
+    const observer = new window.IntersectionObserver(([entry]) => {
+        const intersectionRatio = entry.intersectionRatio.toFixed(2);
+        if (entry.isIntersecting) {
+            element.classList.add("sticky");
+        } else {
+            element.classList.remove("sticky");
+        }
+    }, {
+        root: null,
+        rootMargin: '-30% 0px -70%',
+        threshold: 0
+    })
+
+    observer.observe(el)
+});