refactor(frontend): scripts -> utility

1 files changed, 0 insertions, 134 deletions

diff --git a/packages/frontend/src/scripts/focus-trap.ts b/packages/frontend/src/scripts/focus-trap.ts
deleted file mode 100644
index fb7caea830..0000000000
--- a/packages/frontend/src/scripts/focus-trap.ts
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-import { getHTMLElementOrNull } from '@/scripts/get-dom-node-or-null.js';
-
-const focusTrapElements = new Set<HTMLElement>();
-const ignoreElements = [
-	'script',
-	'style',
-];
-
-function containsFocusTrappedElements(el: HTMLElement): boolean {
-	return Array.from(focusTrapElements).some((focusTrapElement) => {
-		return el.contains(focusTrapElement);
-	});
-}
-
-function getZIndex(el: HTMLElement): number {
-	const zIndex = parseInt(window.getComputedStyle(el).zIndex || '0', 10);
-	if (isNaN(zIndex)) {
-		return 0;
-	}
-	return zIndex;
-}
-
-function getHighestZIndexElement(): { el: HTMLElement; zIndex: number; } | null {
-	let highestZIndexElement: HTMLElement | null = null;
-	let highestZIndex = -Infinity;
-
-	focusTrapElements.forEach((el) => {
-		const zIndex = getZIndex(el);
-		if (zIndex > highestZIndex) {
-			highestZIndex = zIndex;
-			highestZIndexElement = el;
-		}
-	});
-
-	return highestZIndexElement == null ? null : {
-		el: highestZIndexElement,
-		zIndex: highestZIndex,
-	};
-}
-
-function releaseFocusTrap(el: HTMLElement): void {
-	focusTrapElements.delete(el);
-	if (el.inert === true) {
-		el.inert = false;
-	}
-
-	const highestZIndexElement = getHighestZIndexElement();
-
-	if (el.parentElement != null && el !== document.body) {
-		el.parentElement.childNodes.forEach((siblingNode) => {
-			const siblingEl = getHTMLElementOrNull(siblingNode);
-			if (!siblingEl) return;
-			if (
-				siblingEl !== el &&
-				(
-					highestZIndexElement == null ||
-					siblingEl === highestZIndexElement.el ||
-					siblingEl.contains(highestZIndexElement.el)
-				)
-			) {
-				siblingEl.inert = false;
-			} else if (
-				highestZIndexElement != null &&
-				siblingEl !== highestZIndexElement.el &&
-				!siblingEl.contains(highestZIndexElement.el) &&
-				!ignoreElements.includes(siblingEl.tagName.toLowerCase())
-			) {
-				siblingEl.inert = true;
-			} else {
-				siblingEl.inert = false;
-			}
-		});
-		releaseFocusTrap(el.parentElement);
-	}
-}
-
-export function focusTrap(el: HTMLElement, hasInteractionWithOtherFocusTrappedEls: boolean, parent: true): void;
-export function focusTrap(el: HTMLElement, hasInteractionWithOtherFocusTrappedEls?: boolean, parent?: false): { release: () => void; };
-export function focusTrap(el: HTMLElement, hasInteractionWithOtherFocusTrappedEls = false, parent = false): { release: () => void; } | void {
-	const highestZIndexElement = getHighestZIndexElement();
-
-	const highestZIndex = highestZIndexElement == null ? -Infinity : highestZIndexElement.zIndex;
-	const zIndex = getZIndex(el);
-
-	// If the element has a lower z-index than the highest z-index element, focus trap the highest z-index element instead
-	// Focus trapping for this element will be done in the release function
-	if (!parent && zIndex < highestZIndex) {
-		focusTrapElements.add(el);
-		if (highestZIndexElement) {
-			focusTrap(highestZIndexElement.el, hasInteractionWithOtherFocusTrappedEls);
-		}
-		return {
-			release: () => {
-				releaseFocusTrap(el);
-			},
-		};
-	}
-
-	if (el.inert === true) {
-		el.inert = false;
-	}
-
-	if (el.parentElement != null && el !== document.body) {
-		el.parentElement.childNodes.forEach((siblingNode) => {
-			const siblingEl = getHTMLElementOrNull(siblingNode);
-			if (!siblingEl) return;
-			if (
-				siblingEl !== el &&
-				(
-					hasInteractionWithOtherFocusTrappedEls === false ||
-					(!focusTrapElements.has(siblingEl) && !containsFocusTrappedElements(siblingEl))
-				) &&
-				!ignoreElements.includes(siblingEl.tagName.toLowerCase())
-			) {
-				siblingEl.inert = true;
-			}
-		});
-		focusTrap(el.parentElement, hasInteractionWithOtherFocusTrappedEls, true);
-	}
-
-	if (!parent) {
-		focusTrapElements.add(el);
-
-		return {
-			release: () => {
-				releaseFocusTrap(el);
-			},
-		};
-	}
-}