Mail

frontend/node_modules/dom-helpers/esm/offset.js

@@ -0,0 +1,30 @@
+import contains from './contains';
+import ownerDocument from './ownerDocument';
+import scrollLeft from './scrollLeft';
+import scrollTop from './scrollTop';
+/**
+ * Returns the offset of a given element, including top and left positions, width and height.
+ * 
+ * @param node the element
+ */
+
+export default function offset(node) {
+  var doc = ownerDocument(node);
+  var box = {
+    top: 0,
+    left: 0,
+    height: 0,
+    width: 0
+  };
+  var docElem = doc && doc.documentElement; // Make sure it's not a disconnected DOM node
+
+  if (!docElem || !contains(docElem, node)) return box;
+  if (node.getBoundingClientRect !== undefined) box = node.getBoundingClientRect();
+  box = {
+    top: box.top + scrollTop(docElem) - (docElem.clientTop || 0),
+    left: box.left + scrollLeft(docElem) - (docElem.clientLeft || 0),
+    width: box.width,
+    height: box.height
+  };
+  return box;
+}