From 2a1da72c709cf4cebd6e941cd33582c15a09ade5 Mon Sep 17 00:00:00 2001
From: Jinxuan Zhu <zhujinxuan@gmail.com>
Date: Tue, 30 Jan 2018 21:05:43 -0500
Subject: [PATCH] Faster (but also safe) method about re-find node by path
 (#1548)

---
 packages/slate/src/models/node.js | 35 +++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/packages/slate/src/models/node.js b/packages/slate/src/models/node.js
index 05fbe6041..261e731d6 100644
--- a/packages/slate/src/models/node.js
+++ b/packages/slate/src/models/node.js
@@ -1351,6 +1351,41 @@ class Node {
     return path
   }
 
+  /**
+   * Refind the path of node if path is changed.
+   *
+   * @param {Array} path
+   * @param {String} key
+   * @return {Array}
+   */
+
+  refindPath(path, key) {
+    const node = this.getDescendantAtPath(path)
+    if (node && node.key === key) {
+      return path
+    }
+
+    return this.getPath(key)
+  }
+
+  /**
+   *
+   * Refind the node with the same node.key after change.
+   *
+   * @param {Array} path
+   * @param {String} key
+   * @return {Node|Void}
+   */
+
+  refindNode(path, key) {
+    const node = this.getDescendantAtPath(path)
+    if (node && node.key === key) {
+      return node
+    }
+
+    return this.getDescendant(key)
+  }
+
   /**
    * Get the placeholder for the node from a `schema`.
    *