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fix FormData submitter check #10627

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merged 3 commits into from Jun 21, 2023

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brophdawg11
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The existing check had some false positives

new FormData(undefined, 0); 
// throws: Uncaught TypeError: Failed to construct 'FormData': parameter 1 is not of type 'HTMLFormElement'.

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changeset-bot bot commented Jun 21, 2023

🦋 Changeset detected

Latest commit: 3d161b9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages
Name Type
react-router-dom Patch
react-router Patch
react-router-dom-v5-compat Patch
react-router-native Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

Comment on lines +132 to +145
function isFormDataSubmitterSupported() {
if (_formDataSupportsSubmitter === null) {
try {
new FormData(
document.createElement("form"),
// @ts-expect-error if FormData supports the submitter parameter, this will throw
0
);
_formDataSupportsSubmitter = false;
} catch (e) {
_formDataSupportsSubmitter = true;
}
}
return _formDataSupportsSubmitter;
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Moved this to a function so it wouldn't try to execute in the module scope on the server and document wasn't defined

@brophdawg11 brophdawg11 merged commit 19a71df into release-next Jun 21, 2023
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@brophdawg11 brophdawg11 deleted the brophdawg11/formdata-submitter-check branch June 21, 2023 18:04
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🤖 Hello there,

We just published version 6.14.0-pre.1 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

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🤖 Hello there,

We just published version 6.14.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

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2 participants