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MisskeyIO/packages/frontend/src/directives/panel.ts
2022-12-27 14:36:33 +09:00

25 lines
717 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 = getComputedStyle(document.documentElement).getPropertyValue('--panel');
if (parentBg === myBg) {
src.style.backgroundColor = 'var(--bg)';
} else {
src.style.backgroundColor = 'var(--panel)';
}
},
} as Directive;