fix(kit): respect legacy devtools hook in nuxt app

packages/devtools-kit/src/core/component/tree/walker.ts

@@ -2,7 +2,7 @@ import type { SuspenseBoundary, VNode } from 'vue'
 import type { VueAppInstance } from '../../../types'
 import type { ComponentTreeNode } from '../types'
 import { getAppRecord, getInstanceName, getRenderKey, getUniqueComponentId, isBeingDestroyed, isFragment } from '../utils'
-import { devtoolsContext } from '../../../state'
+import { devtoolsAppRecords, devtoolsContext } from '../../../state'
 import { getRootElementsFromComponentInstance } from './el'
 import type { ComponentFilter } from './filter'
 import { createComponentFilter } from './filter'
@@ -241,8 +241,12 @@ export class ComponentWalker {
    */
   private mark(instance: VueAppInstance, force = false) {
     const instanceMap = getAppRecord(instance)!.instanceMap
-    if (force || !instanceMap.has(instance.__VUE_DEVTOOLS_UID__))
+    if (force || !instanceMap.has(instance.__VUE_DEVTOOLS_UID__)) {
       instanceMap.set(instance.__VUE_DEVTOOLS_UID__, instance)
+
+      // force sync appRecord instanceMap
+      devtoolsAppRecords.active.instanceMap = instanceMap
+    }
   }
 
   private isKeepAlive(instance: VueAppInstance) {

packages/devtools-kit/src/core/index.ts

@@ -1,4 +1,4 @@
-import { target } from '@vue/devtools-shared'
+import { isNuxtApp, target } from '@vue/devtools-shared'
 import { createDevToolsHook, devtoolsHooks, hook, subscribeDevToolsHook } from '../hook'
 import { DevToolsHooks } from '../types'
 import { devtoolsAppRecords, devtoolsState, getDevToolsEnv } from '../state'
@@ -14,12 +14,16 @@ export function initDevTools() {
   if (target.__VUE_DEVTOOLS_GLOBAL_HOOK__ && isDevToolsNext)
     return
 
-  // compatible with old devtools
-  if (target.__VUE_DEVTOOLS_GLOBAL_HOOK__)
-    Object.assign(__VUE_DEVTOOLS_GLOBAL_HOOK__, createDevToolsHook())
-
-  else
+  if (!target.__VUE_DEVTOOLS_GLOBAL_HOOK__) {
     target.__VUE_DEVTOOLS_GLOBAL_HOOK__ = createDevToolsHook()
+  }
+  else {
+    // respect old devtools hook in nuxt application
+    if (!isNuxtApp) {
+      // override devtools hook directly
+      Object.assign(__VUE_DEVTOOLS_GLOBAL_HOOK__, createDevToolsHook())
+    }
+  }
 
   // setup old devtools plugin (compatible with pinia, router, etc)
   hook.on.setupDevtoolsPlugin((pluginDescriptor, setupFn) => {

packages/devtools-kit/src/hook/index.ts

@@ -33,7 +33,7 @@ export function createDevToolsHook(): DevToolsHook {
     id: 'vue-devtools-next',
     enabled: false,
     appRecords: [],
-    apps: {},
+    apps: [],
     events: new Map(),
     on(event, fn) {
       if (!this.events.has(event))

packages/devtools-kit/src/plugins/component.ts

@@ -1,7 +1,7 @@
 import { debounce } from 'perfect-debounce'
 import { VueAppInstance } from '../types'
 import { DevToolsEvents, apiHooks, setupDevToolsPlugin } from '../api'
-import { devtoolsContext, devtoolsState } from '../state'
+import { devtoolsAppRecords, devtoolsContext, devtoolsState } from '../state'
 import { hook } from '../hook'
 import { getAppRecord, getComponentId, getComponentInstance } from '../core/component/utils'
 import { getComponentBoundingRect } from '../core/component/state/bounding-rect'
@@ -116,8 +116,11 @@ export function registerComponentDevToolsPlugin(app: VueAppInstance) {
         if (component.__VUE_DEVTOOLS_UID__ == null)
           component.__VUE_DEVTOOLS_UID__ = id
 
-        if (!appRecord?.instanceMap.has(id))
+        if (!appRecord?.instanceMap.has(id)) {
           appRecord?.instanceMap.set(id, component)
+          // force sync appRecord instanceMap
+          devtoolsAppRecords.active.instanceMap = appRecord!.instanceMap
+        }
       }
 
       if (!appRecord)
@@ -147,8 +150,11 @@ export function registerComponentDevToolsPlugin(app: VueAppInstance) {
         if (component.__VUE_DEVTOOLS_UID__ == null)
           component.__VUE_DEVTOOLS_UID__ = id
 
-        if (!appRecord?.instanceMap.has(id))
+        if (!appRecord?.instanceMap.has(id)) {
+          // force sync appRecord instanceMap
           appRecord?.instanceMap.set(id, component)
+          devtoolsAppRecords.active.instanceMap = appRecord!.instanceMap
+        }
       }
 
       if (!appRecord)
@@ -177,7 +183,10 @@ export function registerComponentDevToolsPlugin(app: VueAppInstance) {
         uid,
         instance: component,
       }) as string
+
       appRecord?.instanceMap.delete(id)
+      // force sync appRecord instanceMap
+      devtoolsAppRecords.active.instanceMap = appRecord.instanceMap
 
       debounceSendInspectorTree()
     })

packages/shared/src/env.ts

@@ -12,3 +12,5 @@ export const target = (typeof globalThis !== 'undefined'
 export const isInChromePanel = typeof target.chrome !== 'undefined' && !!target.chrome.devtools
 export const isInIframe = isBrowser && target.self !== target.top
 export const isInElectron = typeof navigator !== 'undefined' && navigator.userAgent.toLowerCase().includes('electron')
+// @ts-expect-error skip type check
+export const isNuxtApp = typeof window !== 'undefined' && !!window.__NUXT__