botframework-webchat-component
Version:
React component of botframework-webchat
21 lines (20 loc) • 2.52 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = supportPseudoClass;
// This function is adopted from https://stackoverflow.com/questions/8531940/how-to-detect-if-browser-support-specified-css-pseudo-class
function supportPseudoClass(pseudoClass, nonce) {
var styleElement = document.createElement('style');
nonce && styleElement.setAttribute('nonce', nonce);
document.head.appendChild(styleElement);
try {
styleElement.sheet.insertRule('html' + pseudoClass + '{}', 0);
return true;
} catch (error) {
return false;
} finally {
document.head.removeChild(styleElement);
}
}
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