first

node_modules/vant/es/utils/vnodes.js

@@ -0,0 +1,36 @@
+function flattenVNodes(vnodes) {
+  var result = [];
+
+  function traverse(vnodes) {
+    vnodes.forEach(function (vnode) {
+      result.push(vnode);
+
+      if (vnode.componentInstance) {
+        traverse(vnode.componentInstance.$children.map(function (item) {
+          return item.$vnode;
+        }));
+      }
+
+      if (vnode.children) {
+        traverse(vnode.children);
+      }
+    });
+  }
+
+  traverse(vnodes);
+  return result;
+} // sort children instances by vnodes order
+
+
+export function sortChildren(children, parent) {
+  var componentOptions = parent.$vnode.componentOptions;
+
+  if (!componentOptions || !componentOptions.children) {
+    return;
+  }
+
+  var vnodes = flattenVNodes(componentOptions.children);
+  children.sort(function (a, b) {
+    return vnodes.indexOf(a.$vnode) - vnodes.indexOf(b.$vnode);
+  });
+}