Fix handling of insertAt option to addLineWidget

marijnh · marijnh · commit 57ba96eb3924 · 2020-11-05T09:03:33.000+01:00
Issue #6460
diff --git a/src/model/line_widget.js b/src/model/line_widget.js
@@ -63,7 +63,7 @@ export function addLineWidget(doc, handle, node, options) {
   changeLine(doc, handle, "widget", line => {
     let widgets = line.widgets || (line.widgets = [])
     if (widget.insertAt == null) widgets.push(widget)
-    else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget)
+    else widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget)
     widget.line = line
     if (cm && !lineIsHidden(doc, line)) {
       let aboveVisible = heightAtLine(line) < doc.scrollTop
