The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
grafana/public/app/core/utils/outline.ts

34 lines
1.0 KiB

// based on http://www.paciellogroup.com/blog/2012/04/how-to-remove-css-outlines-in-an-accessible-manner/
function outlineFixer() {
const d: any = document;
const styleElement = d.createElement('STYLE');
const domEvents = 'addEventListener' in d;
const addEventListener = (type, callback) => {
// Basic cross-browser event handling
if (domEvents) {
d.addEventListener(type, callback);
} else {
d.attachEvent('on' + type, callback);
}
};
const setCss = cssText => {
// Handle setting of <style> element contents in IE8
!!styleElement.styleSheet ? (styleElement.styleSheet.cssText = cssText) : (styleElement.innerHTML = cssText);
};
d.getElementsByTagName('HEAD')[0].appendChild(styleElement);
// Using mousedown instead of mouseover, so that previously focused elements don't lose focus ring on mouse move
addEventListener('mousedown', () => {
setCss(':focus{outline:0 !important}::-moz-focus-inner{border:0;}');
});
addEventListener('keydown', () => {
setCss('');
});
}
outlineFixer();