--- name: integrate-native-vue-router description: Integrate, migrate, configure, or debug Native Vue Router in new or existing Vue 3 applications. Use when adding @native-vue-router/core, converting a Vue Router app to native route surfaces, defining parent or sibling topology, adding gesture links and modal/sheet navigation, handling cached-view lifecycle, composing Vue built-ins with NativeRouterView, creating custom presentations, or wiring Capacitor and Electron adapters. --- # Integrate Native Vue Router Implement Native Vue Router as a visual transaction layer around Vue Router. Keep Vue Router authoritative for committed URLs, history, guards, redirects, and route matching. Read [references/integration-reference.md](references/integration-reference.md) before changing a project. Treat it as the API baseline for version `0.1.x`. If the installed package version or local source differs, inspect that version's `package.json`, exported declarations, and source before editing. ## Choose the adoption path Determine whether the target is: - A new Vue application: establish the native route shell and topology while creating the router. - An existing Vue Router application: preserve its history mode, routes, guards, redirects, nested outlets, state, and deep links while migrating the visual root and selected navigation calls. - A host integration: add the core first, then add Capacitor or Electron as an adapter at the application boundary. - A targeted enhancement: adopt imperative animated navigation first and defer predictive gestures or sibling paging. Do not widen the task into a framework upgrade without user authorization. If the project is below Vue 3.5 or Vue Router 5, report the compatibility gap and the exact upgrade it requires before changing dependencies. ## Inspect the target Before editing, identify: 1. Package manager, workspace layout, Vue version, and Vue Router version. 2. The router creation file, history implementation, route records, guards, redirects, scroll behavior, and lazy components. 3. The app entry and plugin installation order. 4. Every root and nested `RouterView`, plus wrappers such as `KeepAlive`, `Transition`, and `Suspense`. 5. Calls to `router.push`, `router.replace`, `router.back`, `RouterLink`, tab controls, modal routing, and bespoke swipe handlers. 6. Route-local side effects in setup/mount hooks, including analytics, subscriptions, polling, media, and mutations. 7. Deep-linkable child routes, ordered peer routes, and routes whose local state can or cannot be evicted. 8. Horizontal gesture owners such as carousels, maps, editors, and canvases. 9. Browser/PWA, Capacitor, Electron, SSR, and accessibility requirements. Summarize the route topology before implementation when it is non-trivial. ## Install and bootstrap Add `@native-vue-router/core` and its stylesheet. Add preset or platform packages only when needed. Match the project's package manager and formatting style. Create exactly one native runtime for one authoritative root route surface: 1. Create the Vue Router normally. 2. Pass that router to `createNativeRouter`. 3. Call `app.use(router)` before `app.use(nativeRouter)`. 4. Wait for `router.isReady()` when the application already does so or relies on deterministic initial rendering. 5. Replace the root visual `RouterView` with `NativeRouterView`. 6. Wrap it in `NativeNavigator` only when predictive Back or sibling paging is required. Retain nested `RouterView` components inside route components. Do not add nested independent native runtimes without an explicit ownership design. ## Model route topology Add the smallest route metadata needed for the requested behavior: - Use `presentation` for a route's default visual treatment. - Add `parent` to directly addressable child or presented routes so a cold start has a predictive Back destination. - Add numeric `siblingOrder` to peer routes whose direction must be stable. - Choose `siblingHistory: "replace"` for tabs and other peers that should not grow Back history; use `"push"` only when Back should revisit peer selection. - Use `cache: false` for routes that must be destroyed when inactive and `cache: "pin"` only for deliberately retained views. - Use `gesture: false` to disable navigator gesture handling for a route. Preserve params, query, and hash in dynamic `parent` functions whenever they are part of the logical parent location. Do not infer parentage from the mounted cache or route registration order. `navigator` and `siblingGroup` are reserved labels in `0.1.x`; do not claim that they automatically create navigator ownership. Pass sibling locations to `NativeNavigator` explicitly. ## Migrate navigation intentionally Use native runtime methods for navigation that needs preview-driven motion: - `push` or `NativeLink` for forward stack navigation. - `replace` for no-growth replacement. - `sibling` for ordered peers. - `pop` for Back. - `present` and `dismiss` for modal or sheet routes. - `NativeSheet` for safe-area-contained, content-height, or snapping sheet surfaces. - `NativeGestureLink` for component-originated horizontal dragging. - `NativeDismissGesture` for downward dismissal. Leave raw Vue Router navigation in place when it is an intentional redirect, non-animated control flow, or external integration. The runtime reconciles such navigation, but it cannot preview it before commit. Preserve standard link semantics. Prefer `NativeLink` when a true anchor is needed. If using `NativeGestureLink`, select a semantic `as` element and retain keyboard activation and accessible naming. ## Make preview mounts safe Assume a destination can run setup and mount before its route guard approves the navigation, and can then unmount without becoming current. Move committed-screen side effects from unconditional setup/mount code to `useNativeViewActiveEffect`, `onNativeViewActivate`, or explicit user actions. Use `useNativeViewVisibleEffect` only for work needed while the route is active or participating in a transition. Keep durable data in a store or persistence layer because the bounded native cache may evict component instances. Do not replace the native multi-route cache with a single Vue `KeepAlive`. `KeepAlive`, `Transition`, `Teleport`, and `Suspense` may still be composed inside the `NativeRouterView` slot. Gate teleported overlays on native view visibility because teleported DOM is outside the inactive layer's `inert` and `aria-hidden` boundary. For partial sheets, use `NativeSheet` rather than styling a route component with an arbitrary viewport height. Use no breakpoints for content height, or fractional breakpoints for snap points. Keep `presentation: "sheet"` in route metadata so direct entries retain safe-area and underlay behavior. Preserve the built-in scroll body unless replacing its gesture arbitration: normal content scrolling owns interior positions, while top/down and bottom/up overscroll started at a boundary hands off to sheet resizing. Keep one owner for the complete physical gesture; never reinterpret accumulated content-scroll distance as sheet movement after an edge is reached or direction reverses. Use scoped `useRoute()` or Options API `$route` inside route trees. During a preview, do not substitute `router.currentRoute`: it intentionally remains the committed source location until navigation succeeds. ## Add gesture ownership safely Wrap only the intended route surface in `NativeNavigator`. Give the container a definite height and import core CSS. Mark nested horizontal interaction regions with `data-native-gesture="ignore"`. Confirm vertical scrolling, controls, text selection, RTL behavior, reduced motion, keyboard navigation, focus, and screen reader isolation after adding gestures. Do not promise deterministic browser-edge ownership. Recommend Capacitor when a product requires native-level suppression of host Back gestures. ## Add host adapters at the boundary For Capacitor, install the adapter in `createNativeRouter` and configure hardware Back, haptics, deep-link mapping, background cache trimming, and root exit. Do not assume Universal Links or App Links are configured by JavaScript alone. For Electron, call `disableElectronHistoryGestures(app.commandLine)` before `app.whenReady()` in the main process. Expose only the renderer callbacks needed by `createElectronRendererAdapter` through a secure preload. Preserve hash or custom-protocol history behavior used by packaged applications. Keep host detection and host APIs out of route components unless the product experience genuinely differs. ## Verify the integration Run the target project's formatter, type checker, unit tests, build, and relevant end-to-end tests. Add tests or manual verification for the changed behavior: - Direct entry and reload on deep child URLs. - Params, query, hash, redirects, and nested route injection. - Both routes remain live during a held gesture while the URL stays unchanged. - Gesture cancellation preserves the source URL and state. - Accepted and rejected guards settle correctly. - Browser Back/Forward and cold-start parent Back. - Sibling direction and replace/push history behavior. - Cached state, eviction, unload, and active/visible effects. - Vue built-ins, provide/inject, Options API `$route`, and lifecycle hooks used by the application. - Teleported overlay cleanup and inactive-route focus isolation. - Gesture conflicts, RTL, reduced motion, keyboard behavior, and target hosts. Use `runtime.entries`, `activeKey`, `transaction`, `canGoBack`, `cacheStats`, and `onDiagnostic` for focused diagnostics. Use the profiler only when measuring frame behavior; it is opt-in and should be stopped/disposed after capture. ## Report the result State which routes and navigation paths became native-aware, which raw Vue Router paths remain intentionally unchanged, what lifecycle work moved, and what was verified. Call out unresolved host limitations, missing parent topology, or dependency incompatibility explicitly.