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feat: ドラッグリサイズでサイドバーを自動で閉じる #7

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Merged
ryunosuke121 merged 2 commits into from
Mar 1, 2026
Merged

feat: ドラッグリサイズでサイドバーを自動で閉じる #7

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2d2f600
feat: ドラッグで最小幅を下回ったらサイドバーを自動で閉じる
ryunosuke121 Mar 1, 2026
ab4aac6
fix: サイドバー自動閉じのしきい値を120pxに設定
ryunosuke121 Mar 1, 2026
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15 changes: 11 additions & 4 deletions src/components/Layout.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import TitleBar from "./TitleBar";
const MIN_SIDEBAR_WIDTH = 180;
const MAX_SIDEBAR_WIDTH = 400;
const DEFAULT_SIDEBAR_WIDTH = 260;
const COLLAPSE_THRESHOLD = 120;

interface Props {
sidebar: ReactNode;
Expand Down Expand Up @@ -51,11 +52,17 @@ export default function Layout({ sidebar, editor }: Props) {

const handleMouseMove = (e: MouseEvent) => {
const delta = e.clientX - startX.current;
const newWidth = Math.min(
MAX_SIDEBAR_WIDTH,
Math.max(MIN_SIDEBAR_WIDTH, startWidth.current + delta),
const rawWidth = startWidth.current + delta;
if (rawWidth < COLLAPSE_THRESHOLD) {
setSidebarOpen(false);
setIsResizing(false);
document.body.style.cursor = "";
document.body.style.userSelect = "";
return;
}
setSidebarWidth(
Math.min(MAX_SIDEBAR_WIDTH, Math.max(MIN_SIDEBAR_WIDTH, rawWidth)),
);
setSidebarWidth(newWidth);
};

const handleMouseUp = () => {
Expand Down