1 files changed, 24 insertions, 0 deletions
diff --git a/public/scrollbar.js b/public/scrollbar.js
index da6aded..2218b55 100644
--- a/public/scrollbar.js
+++ b/public/scrollbar.js
@@ -50,3 +50,27 @@ function initScrollbox(box) {
 }
 
 document.querySelectorAll("[data-scrollbox]").forEach(initScrollbox);
+
+// Vim style j/k scrolling
+document.addEventListener("keydown", (e) => {
+  // Don't scroll in input elements
+  const tag = document.activeElement.tagName;
+  if (
+    ["INPUT", "TEXTAREA", "SELECT"].includes(tag) ||
+    document.activeElement.isContentEditable
+  ) {
+    return;
+  }
+
+  // Only work for "j" and "k", no ctrl/alt/shift
+  if (e.ctrlKey || e.altKey || e.metaKey) return;
+
+  const dir = key === "j" ? step : -step;
+  const scrollTarget = document.scrollingElement || document.documentElement;
+  const scrollAmount = 100; // in pixels
+  if (scrollTarget && scrollTarget.scrollHeight > scrollTarget.clientHeight) {
+    scrollTarget.scrollBy({ top: dir, behavior: "auto" });
+  } else {
+    window.scrollBy({ top: dir, behavior: "auto" });
+  }
+});