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use optional chaining

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This commit is contained in:
Matt Bierner
2020-09-11 14:25:47 -07:00
parent 3e71592258
commit 8a6b38e4ef
1 changed files with 2 additions and 2 deletions
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4
src/vs/base/browser/dom.ts
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@@ -784,11 +784,11 @@ function getSharedStyleSheet(): HTMLStyleElement {
}
function getDynamicStyleSheetRules(style: any) {
if (style && style.sheet && style.sheet.rules) {
if (style?.sheet?.rules) {
// Chrome, IE
return style.sheet.rules;
}
if (style && style.sheet && style.sheet.cssRules) {
if (style?.sheet?.cssRules) {
// FF
return style.sheet.cssRules;
}