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node_modules/vitepress/dist/client/theme-default/composables/layout.js

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+import { inBrowser, onContentUpdated, useRoute } from 'vitepress';
+import { computed, shallowReadonly, shallowRef, watch } from 'vue';
+import { getSidebar, getSidebarGroups } from '../support/sidebar';
+import { useData } from './data';
+import { getHeaders } from './outline';
+import { useCloseSidebarOnEscape } from './sidebar';
+const headers = shallowRef([]);
+const sidebar = shallowRef([]);
+const is960 = shallowRef(false);
+export function useLayout() {
+    const { frontmatter, theme } = useData();
+    const isHome = computed(() => {
+        return !!(frontmatter.value.isHome ?? frontmatter.value.layout === 'home');
+    });
+    const hasSidebar = computed(() => {
+        return (frontmatter.value.sidebar !== false &&
+            sidebar.value.length > 0 &&
+            !isHome.value);
+    });
+    const isSidebarEnabled = computed(() => hasSidebar.value && is960.value);
+    const sidebarGroups = computed(() => {
+        return hasSidebar.value ? getSidebarGroups(sidebar.value) : [];
+    });
+    const hasAside = computed(() => {
+        if (isHome.value)
+            return false;
+        if (frontmatter.value.aside != null)
+            return !!frontmatter.value.aside;
+        return theme.value.aside !== false;
+    });
+    const leftAside = computed(() => {
+        if (!hasAside.value)
+            return false;
+        return frontmatter.value.aside == null
+            ? theme.value.aside === 'left'
+            : frontmatter.value.aside === 'left';
+    });
+    const hasLocalNav = computed(() => {
+        return headers.value.length > 0;
+    });
+    return {
+        isHome,
+        sidebar: shallowReadonly(sidebar),
+        sidebarGroups,
+        hasSidebar,
+        isSidebarEnabled,
+        hasAside,
+        leftAside,
+        headers: shallowReadonly(headers),
+        hasLocalNav
+    };
+}
+export function registerWatchers({ closeSidebar }) {
+    const { frontmatter, page, theme } = useData();
+    watch(() => [page.value.relativePath, theme.value.sidebar], ([relativePath, sidebarConfig]) => {
+        const newSidebar = sidebarConfig
+            ? getSidebar(sidebarConfig, relativePath)
+            : [];
+        if (JSON.stringify(newSidebar) !== JSON.stringify(sidebar.value)) {
+            sidebar.value = newSidebar;
+        }
+    }, { immediate: true, deep: true, flush: 'sync' });
+    onContentUpdated(() => {
+        headers.value = getHeaders(frontmatter.value.outline ?? theme.value.outline);
+    });
+    if (inBrowser) {
+        is960.value = window.innerWidth >= 960;
+        window.addEventListener('resize', () => {
+            is960.value = window.innerWidth >= 960;
+        }, { passive: true });
+    }
+    const route = useRoute();
+    watch(() => route.path, closeSidebar);
+    useCloseSidebarOnEscape(closeSidebar);
+}
+export const layoutInfoInjectionKey = Symbol('layout-info');