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Commitbf901b8

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bug#48993 [VarDumper] Fix JS to expand / collapse (nicolas-grekas)
This PR was merged into the 5.4 branch.Discussion----------[VarDumper] Fix JS to expand / collapse| Q | A| ------------- | ---| Branch? | 5.4| Bug fix? | yes| New feature? | no| Deprecations? | no| Tickets |Fix#48545| License | MIT| Doc PR | -As hinted infacebook/react#25897 (comment)Commits-------19add97 [VarDumper] Fix JS to expand / collapse
2 parents4ae23e6 +19add97 commitbf901b8

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‎src/Symfony/Component/VarDumper/Dumper/HtmlDumper.php‎

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@@ -167,9 +167,9 @@ protected function getDumpHeader()
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};
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refStyle.innerHTML = 'pre.sf-dump .sf-dump-compact, .sf-dump-str-collapse .sf-dump-str-collapse, .sf-dump-str-expand .sf-dump-str-expand { display: none; }';
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(doc.documentElement.firstElementChild || doc.documentElement.children[0]).appendChild(refStyle);
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doc.head.appendChild(refStyle);
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refStyle = doc.createElement('style');
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(doc.documentElement.firstElementChild || doc.documentElement.children[0]).appendChild(refStyle);
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doc.head.appendChild(refStyle);
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if (!doc.addEventListener) {
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addEventListener = function (element, eventName, callback) {

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