修复首页模型加载超时切换室外地图

src/pages/index/index.vue

@@ -449,6 +449,7 @@ let launchOverlayFallbackTimer: ReturnType<typeof setTimeout> | null = null
 let launchOverlayFadeTimer: ReturnType<typeof setTimeout> | null = null
 let launchOverlayHideDelayTimer: ReturnType<typeof setTimeout> | null = null
 let launchOverlayStartedAt = 0
+let launchOverlayRunId = 0
 
 const clearLaunchTimers = () => {
   if (launchOverlayFallbackTimer) {
@@ -470,11 +471,13 @@ const clearLaunchTimers = () => {
 const completeHideLaunchOverlay = () => {
   if (!launchOverlayVisible.value) return
 
+  const runId = launchOverlayRunId
   launchProgress.value = 100
   launchOverlayLeaving.value = true
   clearLaunchTimers()
 
   launchOverlayFadeTimer = setTimeout(() => {
+    if (runId !== launchOverlayRunId) return
     launchOverlayVisible.value = false
     launchOverlayLeaving.value = false
     launchOverlayFadeTimer = null
@@ -489,7 +492,9 @@ const hideLaunchOverlay = () => {
 
   if (waitMs > 0) {
     if (launchOverlayHideDelayTimer) clearTimeout(launchOverlayHideDelayTimer)
+    const runId = launchOverlayRunId
     launchOverlayHideDelayTimer = setTimeout(() => {
+      if (runId !== launchOverlayRunId) return
       launchOverlayHideDelayTimer = null
       completeHideLaunchOverlay()
     }, waitMs)
@@ -504,21 +509,18 @@ const shouldWaitForLaunchModel = () => (
   && is3DMode.value
 )
 
-const continueLaunchWithoutInitialModel = (reason: string, event?: { view: GuideIndoorView; floorId?: string; message?: string; elapsedMs?: number }) => {
+// The launch overlay is independent from the selected map business mode. Releasing it
+// must leave ThreeMap mounted so its loading/error/retry lifecycle can continue.
+const releaseLaunchOverlayWithoutInitialModel = (reason: string, event?: { view: GuideIndoorView; floorId?: string; message?: string; elapsedMs?: number }) => {
   if (!launchOverlayVisible.value || launchOverlayLeaving.value) return
 
-  console.warn('首页前置加载页未等待初始三维模型，已进入馆外导览:', {
+  console.warn('首页前置加载页未等待初始三维模型，已关闭启动遮罩:', {
     reason,
     event
   })
 
   launchInitialModelSettled.value = true
   launchProgress.value = Math.max(launchProgress.value, 96)
-  is3DMode.value = false
-  guideOutdoorState.value = 'home'
-  selectedGuidePoi.value = null
-  isPoiCardCollapsed.value = false
-  isSimulatingRoute.value = false
   hideLaunchOverlay()
 }
 
@@ -526,6 +528,7 @@ const startLaunchOverlay = () => {
   if (!launchOverlayVisible.value) return
 
   clearLaunchTimers()
+  const runId = ++launchOverlayRunId
   launchInitialModelSettled.value = false
   launchOverlayStartedAt = Date.now()
   launchProgress.value = shouldWaitForLaunchModel() ? 8 : 68
@@ -535,8 +538,9 @@ const startLaunchOverlay = () => {
     : launchOverlayNonGuideTimeoutMs
 
   launchOverlayFallbackTimer = setTimeout(() => {
+    if (runId !== launchOverlayRunId) return
     if (shouldWaitForLaunchModel() && !launchInitialModelSettled.value) {
-      continueLaunchWithoutInitialModel('timeout')
+      releaseLaunchOverlayWithoutInitialModel('timeout')
       return
     }
     hideLaunchOverlay()
@@ -553,7 +557,7 @@ const settleLaunchOverlayByModel = (status: 'ready' | 'failed', event?: { view:
   launchInitialModelSettled.value = true
 
   if (status === 'failed') {
-    continueLaunchWithoutInitialModel('failed', event)
+    releaseLaunchOverlayWithoutInitialModel('failed', event)
     return
   } else {
     launchProgress.value = 100
@@ -885,6 +889,7 @@ onMounted(() => {
 })
 
 onUnmounted(() => {
+  launchOverlayRunId += 1
   clearLaunchTimers()
 
   if (indoorGestureHintTimer) {

tests/unit/IndexLaunchOverlay.spec.ts

@@ -1,26 +1,188 @@
-import { readFileSync } from 'node:fs'
+// @vitest-environment happy-dom
-import { fileURLToPath, URL } from 'node:url'
-import { describe, expect, it } from 'vitest'
 
-const indexPageSource = readFileSync(
+import { defineComponent, nextTick, onMounted, onUnmounted } from 'vue'
-  fileURLToPath(new URL('../../src/pages/index/index.vue', import.meta.url)),
+import { flushPromises, mount } from '@vue/test-utils'
-  'utf8'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-)
+import IndexPage from '@/pages/index/index.vue'
 
-const launchOverlaySource = indexPageSource.slice(
+const testState = vi.hoisted(() => ({
-  indexPageSource.indexOf('v-if="launchOverlayVisible"'),
+  threeMapMountCount: 0,
-  indexPageSource.indexOf('</GuidePageFrame>')
+  threeMapUnmountCount: 0,
-)
+  onShowHandler: null as null | (() => Promise<void> | void)
+}))
 
-describe('首页精简加载页', () => {
+vi.mock('@dcloudio/uni-app', () => ({
-  it('仅展示图形标识、文字馆名和原生加载动效', () => {
+  onLoad: vi.fn(),
-    expect(launchOverlaySource).toContain('/static/guide/museum-brand-icons.webp')
+  onShow: (handler: () => Promise<void> | void) => {
-    expect(launchOverlaySource).toContain('SHENZHEN NATURAL HISTORY MUSEUM')
+    testState.onShowHandler = handler
-    expect(launchOverlaySource).toContain('深圳自然博物馆')
+  }
-    expect(launchOverlaySource).toContain('<progress')
+}))
-    expect(launchOverlaySource).not.toContain('app-launch-loading-lqip.webp')
+
-    expect(launchOverlaySource).not.toContain('app-launch-loading.webp')
+vi.mock('@/utils/hostEnvironment', () => ({
-    expect(launchOverlaySource).not.toContain('app-launch-kicker')
+  isEmbeddedInWechatMiniProgram: () => false
-    expect(launchOverlaySource).not.toContain('app-launch-status')
+}))
+
+const modelSource = {
+  loadPackage: async () => ({ overviewModelUrl: '', floors: [] }),
+  loadFloorPois: async () => []
+}
+
+vi.mock('@/usecases/guideUseCase', () => ({
+  guideUseCase: {
+    getAssetBaseUrl: () => '/static/nav-assets',
+    getModelSource: () => modelSource,
+    normalizeFloorId: (value: string) => value,
+    getFloors: async () => []
+  }
+}))
+
+vi.mock('@/usecases/guideRouteUseCase', () => ({
+  guideRouteUseCase: {
+    listTargets: async () => [],
+    searchTargets: async () => [],
+    getRouteReadiness: async () => ({ ready: false, message: '' }),
+    planRoute: async () => null
+  }
+}))
+
+vi.mock('@/usecases/explainUseCase', () => ({
+  explainUseCase: {
+    loadExplainHalls: async () => [],
+    loadExplainHallSummaries: async () => ({}),
+    listHalls: async () => [],
+    searchExplain: async () => []
+  }
+}))
+
+const GuidePageFrameStub = defineComponent({
+  name: 'GuidePageFrame',
+  template: '<main><slot /></main>'
+})
+
+const GuideMapShellStub = defineComponent({
+  name: 'GuideMapShell',
+  props: {
+    mapType: { type: String, default: 'indoor' }
+  },
+  emits: ['initial-model-ready', 'initial-model-failed', 'mode-change'],
+  setup() {
+    onMounted(() => {
+      testState.threeMapMountCount += 1
+    })
+    onUnmounted(() => {
+      testState.threeMapUnmountCount += 1
+    })
+    return {}
+  },
+  template: `
+    <section data-testid="guide-map-shell">
+      <div v-if="mapType === 'indoor'" data-testid="three-map"></div>
+      <div v-else data-testid="tencent-map"></div>
+    </section>
+  `
+})
+
+const stubs = {
+  GuidePageFrame: GuidePageFrameStub,
+  GuideMapShell: GuideMapShellStub,
+  PoiSearchPanel: true,
+  RoutePlannerPanel: true,
+  ArrivalPanel: true,
+  ExplainHallSelect: true
+}
+
+const mountIndex = async () => {
+  const wrapper = mount(IndexPage, { global: { stubs } })
+  await flushPromises()
+  return wrapper
+}
+
+const initialModelReady = { view: 'overview' as const, floorId: 'L1' }
+const initialModelFailed = { view: 'overview' as const, floorId: 'L1', message: 'network failed' }
+
+beforeEach(() => {
+  vi.useFakeTimers()
+  testState.threeMapMountCount = 0
+  testState.threeMapUnmountCount = 0
+  testState.onShowHandler = null
+  window.history.replaceState({}, '', '/#/pages/index/index?tab=guide')
+  vi.stubGlobal('uni', {
+    navigateTo: vi.fn(),
+    navigateBack: vi.fn(),
+    reLaunch: vi.fn(),
+    showToast: vi.fn(),
+    hideKeyboard: vi.fn()
+  })
+})
+
+afterEach(() => {
+  vi.useRealTimers()
+  vi.restoreAllMocks()
+  vi.unstubAllGlobals()
+})
+
+describe('首页启动遮罩与馆内模型生命周期', () => {
+  it('12 秒超时后仍保持 indoor，且不会挂载 TencentMap', async () => {
+    const wrapper = await mountIndex()
+
+    await vi.advanceTimersByTimeAsync(12000)
+    await vi.advanceTimersByTimeAsync(360)
+
+    expect(wrapper.getComponent(GuideMapShellStub).props('mapType')).toBe('indoor')
+    expect(wrapper.get('[data-testid="three-map"]').exists()).toBe(true)
+    expect(wrapper.find('[data-testid="tencent-map"]').exists()).toBe(false)
+    expect(testState.threeMapMountCount).toBe(1)
+    expect(testState.threeMapUnmountCount).toBe(0)
+    wrapper.unmount()
+  })
+
+  it('超时后的迟到 initialModelReady 仍可完成当前 ThreeMap 加载', async () => {
+    const wrapper = await mountIndex()
+    const shell = wrapper.getComponent(GuideMapShellStub)
+
+    await vi.advanceTimersByTimeAsync(12000)
+    shell.vm.$emit('initial-model-ready', initialModelReady)
+    await nextTick()
+    await vi.advanceTimersByTimeAsync(360)
+
+    expect(shell.props('mapType')).toBe('indoor')
+    expect(wrapper.find('.app-launch-overlay').exists()).toBe(false)
+    expect(testState.threeMapMountCount).toBe(1)
+    expect(testState.threeMapUnmountCount).toBe(0)
+    wrapper.unmount()
+  })
+
+  it('initialModelFailed 后保留 ThreeMap，重试就绪不产生额外挂载', async () => {
+    const wrapper = await mountIndex()
+    const shell = wrapper.getComponent(GuideMapShellStub)
+
+    shell.vm.$emit('initial-model-failed', initialModelFailed)
+    await nextTick()
+    await vi.advanceTimersByTimeAsync(360)
+
+    expect(shell.props('mapType')).toBe('indoor')
+    expect(wrapper.get('[data-testid="three-map"]').exists()).toBe(true)
+    expect(wrapper.find('[data-testid="tencent-map"]').exists()).toBe(false)
+
+    shell.vm.$emit('initial-model-ready', initialModelReady)
+    await nextTick()
+    expect(testState.threeMapMountCount).toBe(1)
+    expect(testState.threeMapUnmountCount).toBe(0)
+    wrapper.unmount()
+  })
+
+  it('仅在用户主动切换到馆外 2D 时才挂载 TencentMap', async () => {
+    const wrapper = await mountIndex()
+    const shell = wrapper.getComponent(GuideMapShellStub)
+
+    shell.vm.$emit('mode-change', '2d')
+    await nextTick()
+    expect(shell.props('mapType')).toBe('outdoor')
+    expect(wrapper.get('[data-testid="tencent-map"]').exists()).toBe(true)
+
+    shell.vm.$emit('mode-change', '3d')
+    await nextTick()
+    expect(shell.props('mapType')).toBe('indoor')
+    wrapper.unmount()
   })
 })