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fix(updateSelection): make sure there is a node to extend from (#1603)

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* fix(updateSelection): make sure there is a node to extend from

* fix(updateSelection): use setBaseAndExtent over collapse/extend
This commit is contained in:
Tobias Andersen
2018-02-06 23:07:41 +01:00
committed by Ian Storm Taylor
parent 1f254aebec
commit 329787a07a
1 changed files with 14 additions and 6 deletions
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20
packages/slate-react/src/components/content.js
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@@ -207,16 +207,24 @@ class Content extends React.Component {
this.tmp.isUpdatingSelection = true
native.removeAllRanges()
// COMPAT: IE 11 does not support Selection.extend
if (native.extend) {
// COMPAT: IE 11 does not support Selection.setBaseAndExtent
if (native.setBaseAndExtent) {
// COMPAT: Since the DOM range has no concept of backwards/forwards
// we need to check and do the right thing here.
if (isBackward) {
native.collapse(range.endContainer, range.endOffset)
native.extend(range.startContainer, range.startOffset)
native.setBaseAndExtent(
range.endContainer,
range.endOffset,
range.startContainer,
range.startOffset
)
} else {
native.collapse(range.startContainer, range.startOffset)
native.extend(range.endContainer, range.endOffset)
native.setBaseAndExtent(
range.startContainer,
range.startOffset,
range.endContainer,
range.endOffset
)
}
} else {
// COMPAT: IE 11 does not support Selection.extend, fallback to addRange