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fix: document can be null, not just undefined #22695

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Merged
gaearon merged 1 commit into from
Nov 24, 2021
Merged

fix: document can be null, not just undefined #22695

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2 changes: 1 addition & 1 deletion packages/shared/invokeGuardedCallbackImpl.js
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ if (__DEV__) {
// when we call document.createEvent(). However this can cause confusing
// errors: https://github.com/facebook/create-react-app/issues/3482
// So we preemptively throw with a better message instead.
if (typeof document === 'undefined') {
if (typeof document === 'undefined' || document === null) {
throw new Error(
'The `document` global was defined when React was initialized, but is not ' +
'defined anymore. This can happen in a test environment if a component ' +
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