init

.svn/pristine/2b/2b807fe1626fdd7cc74b1f5e71e3dad93a4bb0cf.svn-base

@@ -0,0 +1,34 @@
+export function getNode(root: any, id: string) {
+  let resultNode = null;
+  findNode(root, id);
+  function findNode(root: any, id: string) {
+    if (!!root) {
+      let type = Object.prototype.toString.call(root);
+      if (type === "[object Object]") {
+        if (root.id && root.id === id) {
+          resultNode = root;
+        } else {
+          let node = root.children || null;
+          findNode(node, id);
+        }
+      } else if (type === "[object Array]") {
+        let needNode = root.find((i: any) => !!i === true && i.id === id);
+        if (!!needNode) {
+          resultNode = needNode;
+        } else {
+          if (root.length) {
+            root.forEach((item: any) => {
+              if (item && item.children) {
+                let node = item.children;
+                if (node && node.length) {
+                  findNode(node, id);
+                }
+              }
+            });
+          }
+        }
+      }
+    }
+  }
+  return resultNode;
+}