From ed32159be7fbd5b904374e1b71460b7f54653d38 Mon Sep 17 00:00:00 2001
From: Ian Storm Taylor <ian@ianstormtaylor.com>
Date: Thu, 16 Nov 2017 13:12:42 -0800
Subject: [PATCH] fix to default window in findDOM* utils

---
 packages/slate-react/src/utils/find-dom-node.js  |  5 +++--
 packages/slate-react/src/utils/find-dom-point.js | 10 +++++-----
 packages/slate-react/src/utils/find-dom-range.js |  9 +++++----
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/packages/slate-react/src/utils/find-dom-node.js b/packages/slate-react/src/utils/find-dom-node.js
index 48b7bd9bb..cc4218c34 100644
--- a/packages/slate-react/src/utils/find-dom-node.js
+++ b/packages/slate-react/src/utils/find-dom-node.js
@@ -5,15 +5,16 @@ import { Node } from 'slate'
  * Find the DOM node for a `key`.
  *
  * @param {String|Node} key
+ * @param {Window} win (optional)
  * @return {Element}
  */
 
-function findDOMNode(key, window) {
+function findDOMNode(key, win = window) {
   if (Node.isNode(key)) {
     key = key.key
   }
 
-  const el = window.document.querySelector(`[data-key="${key}"]`)
+  const el = win.document.querySelector(`[data-key="${key}"]`)
 
   if (!el) {
     throw new Error(`Unable to find a DOM node for "${key}". This is often because of forgetting to add \`props.attributes\` to a custom component.`)
diff --git a/packages/slate-react/src/utils/find-dom-point.js b/packages/slate-react/src/utils/find-dom-point.js
index 2d5c69844..14a7fa22a 100644
--- a/packages/slate-react/src/utils/find-dom-point.js
+++ b/packages/slate-react/src/utils/find-dom-point.js
@@ -4,20 +4,20 @@ import findDOMNode from './find-dom-node'
 /**
  * Find a native DOM selection point from a Slate `key` and `offset`.
  *
- * @param {Element} root
  * @param {String} key
  * @param {Number} offset
- * @return {Object}
+ * @param {Window} win (optional)
+ * @return {Object|Null}
  */
 
-function findDOMPoint(key, offset, window) {
-  const el = findDOMNode(key, window)
+function findDOMPoint(key, offset, win = window) {
+  const el = findDOMNode(key, win)
   let start = 0
   let n
 
   // COMPAT: In IE, this method's arguments are not optional, so we have to
   // pass in all four even though the last two are defaults. (2017/10/25)
-  const iterator = window.document.createNodeIterator(
+  const iterator = win.document.createNodeIterator(
     el,
     NodeFilter.SHOW_TEXT,
     () => NodeFilter.FILTER_ACCEPT,
diff --git a/packages/slate-react/src/utils/find-dom-range.js b/packages/slate-react/src/utils/find-dom-range.js
index 0a0b9ac3b..9abbd6f3d 100644
--- a/packages/slate-react/src/utils/find-dom-range.js
+++ b/packages/slate-react/src/utils/find-dom-range.js
@@ -5,16 +5,17 @@ import findDOMPoint from './find-dom-point'
  * Find a native DOM range Slate `range`.
  *
  * @param {Range} range
+ * @param {Window} win (optional)
  * @return {Object|Null}
  */
 
-function findDOMRange(range, window) {
+function findDOMRange(range, win = window) {
   const { anchorKey, anchorOffset, focusKey, focusOffset, isBackward, isCollapsed } = range
-  const anchor = findDOMPoint(anchorKey, anchorOffset, window)
-  const focus = isCollapsed ? anchor : findDOMPoint(focusKey, focusOffset, window)
+  const anchor = findDOMPoint(anchorKey, anchorOffset, win)
+  const focus = isCollapsed ? anchor : findDOMPoint(focusKey, focusOffset, win)
   if (!anchor || !focus) return null
 
-  const r = window.document.createRange()
+  const r = win.document.createRange()
   const start = isBackward ? focus : anchor
   const end = isBackward ? anchor : focus
   r.setStart(start.node, start.offset)