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fix to check range count before getting ranges, closes #1237 (#1239)

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Ian Storm Taylor 2017-10-16 10:31:27 -07:00 committed by GitHub
parent 893140a1d8
commit fe24e82d16
1 changed files with 4 additions and 2 deletions
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6
packages/slate-react/src/components/content.js
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@ -125,9 +125,10 @@ class Content extends React.Component {
const { selection } = state
const window = getWindow(this.element)
const native = window.getSelection()
const { rangeCount } = native
// If both selections are blurred, do nothing.
if (!native.rangeCount && selection.isBlurred) return
if (!rangeCount && selection.isBlurred) return
// If the selection has been blurred, but is still inside the editor in the
// DOM, blur it manually.
@ -143,7 +144,7 @@ class Content extends React.Component {
if (selection.isUnset) return
// Otherwise, figure out which DOM nodes should be selected...
const current = native.getRangeAt(0)
const current = !!rangeCount && native.getRangeAt(0)
const range = findDOMRange(selection)
if (!range) {
@ -153,6 +154,7 @@ class Content extends React.Component {
// If the new range matches the current selection, do nothing.
if (
current &&
range.startContainer == current.startContainer &&
range.startOffset == current.startOffset &&
range.endContainer == current.endContainer &&