chore: type improvements (#5264)

packages/runtime-core/src/profiling.ts

@@ -1,8 +1,9 @@
+/* eslint-disable no-restricted-globals */
 import { ComponentInternalInstance, formatComponentName } from './component'
 import { devtoolsPerfEnd, devtoolsPerfStart } from './devtools'
 
 let supported: boolean
-let perf: any
+let perf: Performance
 
 export function startMeasure(
   instance: ComponentInternalInstance,
@@ -40,13 +41,11 @@ function isSupported() {
   if (supported !== undefined) {
     return supported
   }
-  /* eslint-disable no-restricted-globals */
   if (typeof window !== 'undefined' && window.performance) {
     supported = true
     perf = window.performance
   } else {
     supported = false
   }
-  /* eslint-enable no-restricted-globals */
   return supported
 }