egirlskey/packages/frontend/src/directives/adaptive-border.ts
2022-12-27 14:36:33 +09:00

24 lines
678 B
TypeScript

import { Directive } from 'vue';
export default {
mounted(src, binding, vn) {
const getBgColor = (el: HTMLElement) => {
const style = window.getComputedStyle(el);
if (style.backgroundColor && !['rgba(0, 0, 0, 0)', 'rgba(0,0,0,0)', 'transparent'].includes(style.backgroundColor)) {
return style.backgroundColor;
} else {
return el.parentElement ? getBgColor(el.parentElement) : 'transparent';
}
};
const parentBg = getBgColor(src.parentElement);
const myBg = window.getComputedStyle(src).backgroundColor;
if (parentBg === myBg) {
src.style.borderColor = 'var(--divider)';
} else {
src.style.borderColor = myBg;
}
},
} as Directive;