chore(types): reduce as any in reactivity

packages/reactivity/src/arrayInstrumentations.ts

@@ -198,7 +198,7 @@ export const arrayInstrumentations: Record<string | symbol, Function> = <any>{
 // instrument iterators to take ARRAY_ITERATE dependency
 function iterator(
   self: unknown[],
-  method: keyof Array<any>,
+  method: keyof Array<unknown>,
   wrapValue: (value: any) => unknown,
 ) {
   // note that taking ARRAY_ITERATE dependency here is not strictly equivalent
@@ -210,11 +210,13 @@ function iterator(
   // given that JS iterator can only be read once, this doesn't seem like
   // a plausible use-case, so this tracking simplification seems ok.
   const arr = shallowReadArray(self)
-  const iter = (arr[method] as any)()
+  const iter = (arr[method] as any)() as IterableIterator<unknown> & {
+    _next: IterableIterator<unknown>['next']
+  }
   if (arr !== self && !isShallow(self)) {
-    ;(iter as any)._next = iter.next
+    iter._next = iter.next
     iter.next = () => {
-      const result = (iter as any)._next()
+      const result = iter._next()
       if (result.value) {
         result.value = wrapValue(result.value)
       }

packages/reactivity/src/baseHandlers.ts

@@ -34,7 +34,7 @@ const builtInSymbols = new Set(
     // but accessing them on Symbol leads to TypeError because Symbol is a strict mode
     // function
     .filter(key => key !== 'arguments' && key !== 'caller')
-    .map(key => (Symbol as any)[key])
+    .map(key => Symbol[key as keyof SymbolConstructor])
     .filter(isSymbol),
 )
 
@@ -137,12 +137,12 @@ class MutableReactiveHandler extends BaseReactiveHandler {
   }
 
   set(
-    target: object,
+    target: Record<string | symbol, unknown>,
     key: string | symbol,
     value: unknown,
     receiver: object,
   ): boolean {
-    let oldValue = (target as any)[key]
+    let oldValue = target[key]
     if (!this._isShallow) {
       const isOldValueReadonly = isReadonly(oldValue)
       if (!isShallow(value) && !isReadonly(value)) {
@@ -177,24 +177,28 @@ class MutableReactiveHandler extends BaseReactiveHandler {
     return result
   }
 
-  deleteProperty(target: object, key: string | symbol): boolean {
+  deleteProperty(
+    target: Record<string | symbol, unknown>,
+    key: string | symbol,
+  ): boolean {
     const hadKey = hasOwn(target, key)
-    const oldValue = (target as any)[key]
+    const oldValue = target[key]
     const result = Reflect.deleteProperty(target, key)
     if (result && hadKey) {
       trigger(target, TriggerOpTypes.DELETE, key, undefined, oldValue)
     }
     return result
   }
 
-  has(target: object, key: string | symbol): boolean {
+  has(target: Record<string | symbol, unknown>, key: string | symbol): boolean {
     const result = Reflect.has(target, key)
     if (!isSymbol(key) || !builtInSymbols.has(key)) {
       track(target, TrackOpTypes.HAS, key)
     }
     return result
   }
-  ownKeys(target: object): (string | symbol)[] {
+
+  ownKeys(target: Record<string | symbol, unknown>): (string | symbol)[] {
     track(
       target,
       TrackOpTypes.ITERATE,

packages/reactivity/src/collectionHandlers.ts

@@ -1,15 +1,15 @@
-import { toRaw, toReactive, toReadonly } from './reactive'
+import { type Target, toRaw, toReactive, toReadonly } from './reactive'
 import { ITERATE_KEY, MAP_KEY_ITERATE_KEY, track, trigger } from './dep'
 import { ReactiveFlags, TrackOpTypes, TriggerOpTypes } from './constants'
 import { capitalize, hasChanged, hasOwn, isMap, toRawType } from '@vue/shared'
 import { warn } from './warning'
 
 type CollectionTypes = IterableCollections | WeakCollections
 
-type IterableCollections = Map<any, any> | Set<any>
-type WeakCollections = WeakMap<any, any> | WeakSet<any>
-type MapTypes = Map<any, any> | WeakMap<any, any>
-type SetTypes = Set<any> | WeakSet<any>
+type IterableCollections = (Map<any, any> | Set<any>) & Target
+type WeakCollections = (WeakMap<any, any> | WeakSet<any>) & Target
+type MapTypes = (Map<any, any> | WeakMap<any, any>) & Target
+type SetTypes = (Set<any> | WeakSet<any>) & Target
 
 const toShallow = <T extends unknown>(value: T): T => value
 
@@ -24,7 +24,7 @@ function get(
 ) {
   // #1772: readonly(reactive(Map)) should return readonly + reactive version
   // of the value
-  target = (target as any)[ReactiveFlags.RAW]
+  target = target[ReactiveFlags.RAW]
   const rawTarget = toRaw(target)
   const rawKey = toRaw(key)
   if (!isReadonly) {
@@ -47,7 +47,7 @@ function get(
 }
 
 function has(this: CollectionTypes, key: unknown, isReadonly = false): boolean {
-  const target = (this as any)[ReactiveFlags.RAW]
+  const target = this[ReactiveFlags.RAW]
   const rawTarget = toRaw(target)
   const rawKey = toRaw(key)
   if (!isReadonly) {
@@ -62,7 +62,7 @@ function has(this: CollectionTypes, key: unknown, isReadonly = false): boolean {
 }
 
 function size(target: IterableCollections, isReadonly = false) {
-  target = (target as any)[ReactiveFlags.RAW]
+  target = target[ReactiveFlags.RAW]
   !isReadonly && track(toRaw(target), TrackOpTypes.ITERATE, ITERATE_KEY)
   return Reflect.get(target, 'size', target)
 }
@@ -144,7 +144,7 @@ function createForEach(isReadonly: boolean, isShallow: boolean) {
     callback: Function,
     thisArg?: unknown,
   ) {
-    const observed = this as any
+    const observed = this
     const target = observed[ReactiveFlags.RAW]
     const rawTarget = toRaw(target)
     const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive
@@ -180,7 +180,7 @@ function createIterableMethod(
     this: IterableCollections,
     ...args: unknown[]
   ): Iterable & Iterator {
-    const target = (this as any)[ReactiveFlags.RAW]
+    const target = this[ReactiveFlags.RAW]
     const rawTarget = toRaw(target)
     const targetIsMap = isMap(rawTarget)
     const isPair =