1

20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/eachTree.js

@@ -0,0 +1,27 @@
+var helperCreateTreeFunc = require('./helperCreateTreeFunc')
+var each = require('./each')
+
+function eachTreeItem (parent, obj, iterate, context, path, node, parseChildren, opts) {
+  var paths, nodes
+  each(obj, function (item, index) {
+    paths = path.concat(['' + index])
+    nodes = node.concat([item])
+    iterate.call(context, item, index, obj, paths, parent, nodes)
+    if (item && parseChildren) {
+      paths.push(parseChildren)
+      eachTreeItem(item, item[parseChildren], iterate, context, paths, nodes, parseChildren, opts)
+    }
+  })
+}
+
+/**
+  * 从树结构中遍历数据的键、值、路径
+  *
+  * @param {Object} obj 对象/数组
+  * @param {Function} iterate(item, index, items, path, parent, nodes) 回调
+  * @param {Object} options {children: 'children', mapChildren: 'children}
+  * @param {Object} context 上下文
+  */
+var eachTree = helperCreateTreeFunc(eachTreeItem)
+
+module.exports = eachTree