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Fixing IE bug causing active element to be null causing render function to throw error

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This commit is contained in:
Jackson Nowotny 2017-08-22 14:04:24 -05:00
parent fa7ed079ed
commit c2c0d40a29
2 changed files with 9 additions and 1 deletions
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7
docs/change-log.md
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@ -10,6 +10,13 @@
--- ---
### v1.1.4
#### Bug fixes:
- Fix IE bug where active element is null causing render function to throw error. ([1943](https://github.com/MithrilJS/mithril.js/pull/1943))
---
### v1.1.3 ### v1.1.3
#### Bug fixes: #### Bug fixes:

3
render/render.js
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@ -622,7 +622,8 @@ module.exports = function($window) {
updateNodes(dom, dom.vnodes, Vnode.normalizeChildren(vnodes), false, hooks, null, namespace === "http://www.w3.org/1999/xhtml" ? undefined : namespace) updateNodes(dom, dom.vnodes, Vnode.normalizeChildren(vnodes), false, hooks, null, namespace === "http://www.w3.org/1999/xhtml" ? undefined : namespace)
dom.vnodes = vnodes dom.vnodes = vnodes
for (var i = 0; i < hooks.length; i++) hooks[i]() for (var i = 0; i < hooks.length; i++) hooks[i]()
if ($doc.activeElement !== active) active.focus() // document.activeElement can return null in IE https://developer.mozilla.org/en-US/docs/Web/API/Document/activeElement
if (active != null && $doc.activeElement !== active) active.focus()
} }
return {render: render, setEventCallback: setEventCallback} return {render: render, setEventCallback: setEventCallback}