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add handling for :matches and :is #6145

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add handling for :matches and :is #6145

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aa4638e
add handling for :matches and :is
joyously Apr 28, 2019
6c32743
remove handling for :is
joyously May 3, 2019
d0b6e72
substitute :is for :matches
joyously Mar 29, 2021
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7 changes: 5 additions & 2 deletions prefixfree.js
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Original file line number Diff line number Diff line change
Expand Up @@ -461,6 +461,7 @@ for (var keyword in keywords) {

var
selectors = {
':any': ':is',
':any-link': null,
'::backdrop': null,
':fullscreen': null,
Expand Down Expand Up @@ -493,10 +494,12 @@ function supported(selector) {
return !!style.sheet.cssRules.length;
}

var prefixed;
for(var selector in selectors) {
var standard = selectors[selector] || selector
var prefixed = selector.replace(/::?/, function($0) { return $0 + self.prefix })
if(!supported(standard) && supported(prefixed)) {
prefixed = selector.replace(/::?/, function($0) { return $0 + self.prefix });
if((!supported(standard) && !supported(standard + '(a,p)')) &&
(supported(prefixed) || supported(prefixed + '(a,p)') )) {
self.selectors.push(standard);
self.selectorMap[standard] = prefixed;
}
Expand Down