From b37286aaa5c386598520f3730644392a98334bfc Mon Sep 17 00:00:00 2001
From: Anton Lavrenov <lavrton@gmail.com>
Date: Mon, 22 Apr 2019 08:17:25 -0500
Subject: [PATCH] fix some types. close #638

---
 konva.js         |  2 +-
 konva.min.js     |  2 +-
 src/Container.ts | 12 ++++++------
 src/Util.ts      |  4 ++--
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/konva.js b/konva.js
index b933005a..fb7da70f 100644
--- a/konva.js
+++ b/konva.js
@@ -8,7 +8,7 @@
    * Konva JavaScript Framework v3.2.5
    * http://konvajs.org/
    * Licensed under the MIT
-   * Date: Wed Apr 17 2019
+   * Date: Mon Apr 22 2019
    *
    * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
    * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
diff --git a/konva.min.js b/konva.min.js
index 1b4d5ae0..8effcbee 100644
--- a/konva.min.js
+++ b/konva.min.js
@@ -3,7 +3,7 @@
    * Konva JavaScript Framework v3.2.5
    * http://konvajs.org/
    * Licensed under the MIT
-   * Date: Wed Apr 17 2019
+   * Date: Mon Apr 22 2019
    *
    * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
    * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
diff --git a/src/Container.ts b/src/Container.ts
index cd1650bf..3f3473ed 100644
--- a/src/Container.ts
+++ b/src/Container.ts
@@ -190,10 +190,10 @@ export abstract class Container<ChildType extends Node> extends Node<
    *  return node.getType() === 'Node' && node.getAbsoluteOpacity() < 1;
    * });
    */
-  find(selector) {
+  find<ChildNode extends Node = Node>(selector): Collection<ChildNode> {
     // protecting _generalFind to prevent user from accidentally adding
     // second argument and getting unexpected `findOne` result
-    return this._generalFind(selector, false);
+    return this._generalFind<ChildNode>(selector, false);
   }
 
   get(selector) {
@@ -220,12 +220,12 @@ export abstract class Container<ChildType extends Node> extends Node<
    *  return node.getType() === 'Shape'
    * })
    */
-  findOne(selector) {
-    var result = this._generalFind(selector, true);
+  findOne<ChildNode extends Node = Node>(selector): ChildNode {
+    var result = this._generalFind<ChildNode>(selector, true);
     return result.length > 0 ? result[0] : undefined;
   }
-  _generalFind(selector, findOne) {
-    var retArr = [];
+  _generalFind<ChildNode extends Node = Node>(selector, findOne) {
+    var retArr: Array<ChildNode> = [];
 
     this._descendants(node => {
       const valid = node._isMatch(selector);
diff --git a/src/Util.ts b/src/Util.ts
index c3c225cb..b86e54fa 100644
--- a/src/Util.ts
+++ b/src/Util.ts
@@ -49,8 +49,8 @@ export class Collection<Child extends Node> {
    * @memberof Konva.Collection
    * @param {Array} arr
    */
-  static toCollection(arr: Array<Node>) {
-    var collection = new Collection(),
+  static toCollection<ChildNode extends Node = Node>(arr: Array<ChildNode>) {
+    var collection = new Collection<ChildNode>(),
       len = arr.length,
       n;