Update breadcrumb.ts
防止找不到顶级路由时报错
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@ -19,7 +19,7 @@ export function getBreadcrumbByRouteKey(activeKey: string, menus: App.GlobalMenu
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function getBreadcrumbMenu(activeKey: string, menus: App.GlobalMenuOption[]) {
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const breadcrumbMenu: App.GlobalMenuOption[] = [];
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const topLevelMenu = getTopLevelMenu(activeKey, menus);
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const options = getBreadcrumbMenuItem(activeKey, topLevelMenu as App.GlobalMenuOption);
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const options = topLevelMenu ? getBreadcrumbMenuItem(activeKey, topLevelMenu as App.GlobalMenuOption) : [];
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breadcrumbMenu.push(...options);
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return breadcrumbMenu;
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}
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