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Converted app/javascript/mastodon/utils/ folder to TypeScript (#27895)

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Josh Goldberg ✨ 2023-11-28 18:47:55 +01:00 • committed by GitHub
parent cdc7894243
commit 1142f4c79e
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14 changed files with 84 additions and 75 deletions
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36
app/javascript/mastodon/utils/scrollbar.js
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@ -1,36 +0,0 @@
import { isMobile } from '../is_mobile';
/** @type {number | null} */
let cachedScrollbarWidth = null;
/**
* @returns {number}
*/
const getActualScrollbarWidth = () => {
const outer = document.createElement('div');
outer.style.visibility = 'hidden';
outer.style.overflow = 'scroll';
document.body.appendChild(outer);
const inner = document.createElement('div');
outer.appendChild(inner);
const scrollbarWidth = outer.offsetWidth - inner.offsetWidth;
outer.parentNode.removeChild(outer);
return scrollbarWidth;
};
/**
* @returns {number}
*/
export const getScrollbarWidth = () => {
if (cachedScrollbarWidth !== null) {
return cachedScrollbarWidth;
}
const scrollbarWidth = isMobile(window.innerWidth) ? 0 : getActualScrollbarWidth();
cachedScrollbarWidth = scrollbarWidth;
return scrollbarWidth;
};