feat(runtime-vapor): try to support devtools

packages/runtime-vapor/src/apiCreateVaporApp.ts

@@ -1,4 +1,4 @@
-import { NO, isFunction, isObject } from '@vue/shared'
+import { NO, getGlobalThis, isFunction, isObject } from '@vue/shared'
 import {
   type Component,
   type ComponentInternalInstance,
@@ -16,7 +16,9 @@ import {
 import type { InjectionKey } from './apiInject'
 import type { RawProps } from './componentProps'
 import { validateDirectiveName } from './directives'
+import { devtoolsInitApp, setDevtoolsHook } from './devtools'
 
+let uid = 0
 export function createVaporApp(
   rootComponent: Component,
   rootProps: RawProps | null = null,
@@ -27,14 +29,24 @@ export function createVaporApp(
     rootProps = null
   }
 
+  const target = getGlobalThis()
+  target.__VUE__ = true
+  if (__DEV__ || __FEATURE_PROD_DEVTOOLS__) {
+    setDevtoolsHook(target.__VUE_DEVTOOLS_GLOBAL_HOOK__, target)
+  }
+
   const context = createAppContext()
   const installedPlugins = new WeakSet()
 
   let instance: ComponentInternalInstance
 
-  const app: App = {
-    _context: context,
+  const app: App = (context.app = {
+    _uid: uid++,
+    _component: rootComponent,
+    _props: rootProps,
     _container: null,
+    _context: context,
+    _instance: null,
 
     version,
 
@@ -122,6 +134,11 @@ export function createVaporApp(
         // for devtools and telemetry
         ;(rootContainer as any).__vue_app__ = app
 
+        if (__DEV__ || __FEATURE_PROD_DEVTOOLS__) {
+          app._instance = instance
+          devtoolsInitApp(app, version)
+        }
+
         return instance
       } else if (__DEV__) {
         warn(
@@ -161,7 +178,7 @@ export function createVaporApp(
         currentApp = lastApp
       }
     },
-  }
+  })
 
   return app
 }
@@ -169,6 +186,7 @@ export function createVaporApp(
 export function createAppContext(): AppContext {
   return {
     app: null as any,
+    mixins: [],
     config: {
       isNativeTag: NO,
       performance: false,
@@ -219,8 +237,13 @@ export interface App {
   provide<T>(key: string | InjectionKey<T>, value: T): App
   runWithContext<T>(fn: () => T): T
 
-  _context: AppContext
+  // internal, but we need to expose these for the server-renderer and devtools
+  _uid: number
+  _component: Component
+  _props: RawProps | null
   _container: ParentNode | null
+  _context: AppContext
+  _instance: ComponentInternalInstance | null
 }
 
 export interface AppConfig {
@@ -244,6 +267,7 @@ export interface AppConfig {
 export interface AppContext {
   app: App // for devtools
   config: AppConfig
+  mixins: never[] // for devtools, but no longer supported
   provides: Record<string | symbol, any>
 
   /**

packages/runtime-vapor/src/apiRender.ts

@@ -19,6 +19,7 @@ import { isArray, isFunction, isObject } from '@vue/shared'
 import { fallThroughAttrs } from './componentAttrs'
 import { VaporErrorCodes, callWithErrorHandling } from './errorHandling'
 import { endMeasure, startMeasure } from './profiling'
+import { devtoolsComponentAdded } from './devtools'
 
 export const fragmentKey = Symbol(__DEV__ ? `fragmentKey` : ``)
 
@@ -38,7 +39,7 @@ export function setupComponent(
   }
   const reset = setCurrentInstance(instance)
   instance.scope.run(() => {
-    const { component, props } = instance
+    const { type: component, props } = instance
 
     if (__DEV__) {
       if (component.name) {
@@ -140,6 +141,10 @@ function mountComponent(
     true,
   )
 
+  if (__DEV__ || __FEATURE_PROD_DEVTOOLS__) {
+    devtoolsComponentAdded(instance)
+  }
+
   if (__DEV__) {
     endMeasure(instance, 'mount')
   }

packages/runtime-vapor/src/component.ts

@@ -154,13 +154,14 @@ export interface ComponentInternalInstance {
   vapor: true
   appContext: AppContext
 
+  type: Component
   block: Block | null
   container: ParentNode
   parent: ComponentInternalInstance | null
+  root: ComponentInternalInstance
 
   provides: Data
   scope: BlockEffectScope
-  component: Component
   comps: Set<ComponentInternalInstance>
 
   rawProps: NormalizedRawProps
@@ -280,10 +281,11 @@ export function createComponentInstance(
     container: null!,
 
     parent,
+    root: null!, // set later
 
     scope: null!,
     provides: parent ? parent.provides : Object.create(_appContext.provides),
-    component,
+    type: component,
     comps: new Set(),
 
     // resolved props and emits options
@@ -355,6 +357,7 @@ export function createComponentInstance(
      */
     // [VaporLifecycleHooks.SERVER_PREFETCH]: null,
   }
+  instance.root = parent ? parent.root : instance
   instance.scope = new BlockEffectScope(instance, parent && parent.scope)
   initProps(instance, rawProps, !isFunction(component), once)
   initSlots(instance, slots)

packages/runtime-vapor/src/componentAttrs.ts

@@ -55,7 +55,7 @@ export function patchAttrs(instance: ComponentInternalInstance) {
 
 export function withAttrs(props: RawProps): RawProps {
   const instance = currentInstance!
-  if (instance.component.inheritAttrs === false) return props
+  if (instance.type.inheritAttrs === false) return props
   const attrsGetter = () => instance.attrs
   if (!props) return [attrsGetter]
   if (isArray(props)) {
@@ -67,7 +67,7 @@ export function withAttrs(props: RawProps): RawProps {
 export function fallThroughAttrs(instance: ComponentInternalInstance) {
   const {
     block,
-    component: { inheritAttrs },
+    type: { inheritAttrs },
   } = instance
   if (inheritAttrs === false) return
 

packages/runtime-vapor/src/helpers/resolveAssets.ts

@@ -40,7 +40,7 @@ function resolveAsset(
 ) {
   const instance = currentInstance
   if (instance) {
-    const Component = instance.component
+    const Component = instance.type
 
     // explicit self name has highest priority
     if (type === COMPONENTS) {

packages/runtime-vapor/src/index.ts

@@ -146,3 +146,17 @@ export {
   vModelDynamic,
 } from './directives/vModel'
 export { vShow } from './directives/vShow'
+
+// For devtools
+import {
+  type DevtoolsHook,
+  devtools as _devtools,
+  setDevtoolsHook as _setDevtoolsHook,
+} from './devtools'
+
+export const devtools = (
+  __DEV__ || __ESM_BUNDLER__ ? _devtools : undefined
+) as DevtoolsHook
+export const setDevtoolsHook = (
+  __DEV__ || __ESM_BUNDLER__ ? _setDevtoolsHook : NOOP
+) as typeof _setDevtoolsHook

packages/runtime-vapor/src/profiling.ts

@@ -27,7 +27,7 @@ export function endMeasure(instance: ComponentInternalInstance, type: string) {
     const endTag = startTag + `:end`
     perf.mark(endTag)
     perf.measure(
-      `<${formatComponentName(instance, instance.component)}> ${type}`,
+      `<${formatComponentName(instance, instance.type)}> ${type}`,
       startTag,
       endTag,
     )

packages/runtime-vapor/src/warning.ts

@@ -38,7 +38,7 @@ export function warn(msg: string, ...args: any[]) {
         trace
           .map(
             ({ instance }) =>
-              `at <${formatComponentName(instance, instance.component)}>`,
+              `at <${formatComponentName(instance, instance.type)}>`,
           )
           .join('\n'),
         trace,
@@ -97,11 +97,7 @@ function formatTraceEntry({ instance, recurseCount }: TraceEntry): any[] {
   const postfix =
     recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``
   const isRoot = instance ? instance.parent == null : false
-  const open = ` at <${formatComponentName(
-    instance,
-    instance.component,
-    isRoot,
-  )}`
+  const open = ` at <${formatComponentName(instance, instance.type, isRoot)}`
   const close = `>` + postfix
   return instance.rawProps.length
     ? [open, ...formatProps(instance.rawProps), close]