From e28b76b709b3d026dd66aaee29166416fca2e035 Mon Sep 17 00:00:00 2001
From: Soreine <soreine.plume@gmail.com>
Date: Mon, 7 Nov 2016 18:41:51 +0100
Subject: [PATCH] Improve performance for Selection.hasEdgeIn methods

---
 src/models/selection.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/models/selection.js b/src/models/selection.js
index 0f0bdd2e1..4065e00c6 100644
--- a/src/models/selection.js
+++ b/src/models/selection.js
@@ -190,8 +190,11 @@ class Selection extends new Record(DEFAULTS) {
    */
 
   hasAnchorIn(node) {
-    const nodes = node.kind == 'text' ? [node] : node.getTexts()
-    return nodes.some(n => n.key == this.anchorKey)
+    if (node.kind == 'text') {
+      return node.key === this.anchorKey
+    } else {
+      return node.hasDescendant(this.anchorKey)
+    }
   }
 
   /**
@@ -245,8 +248,11 @@ class Selection extends new Record(DEFAULTS) {
    */
 
   hasFocusIn(node) {
-    const nodes = node.kind == 'text' ? [node] : node.getTexts()
-    return nodes.some(n => n.key == this.focusKey)
+    if (node.kind == 'text') {
+      return node.key === this.focusKey
+    } else {
+      return node.hasDescendant(this.focusKey)
+    }
   }
 
   /**