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perf: instance public proxy should never be observed

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This commit is contained in:
Evan You 2020-05-01 13:24:38 -04:00
parent 62336085f4
commit 11f38d8a85
1 changed files with 4 additions and 2 deletions
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6
packages/runtime-core/src/component.ts
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@ -4,7 +4,8 @@ import {
ReactiveEffect, ReactiveEffect,
pauseTracking, pauseTracking,
resetTracking, resetTracking,
shallowReadonly shallowReadonly,
markRaw
} from '@vue/reactivity' } from '@vue/reactivity'
import { import {
ComponentPublicInstance, ComponentPublicInstance,
@ -462,7 +463,8 @@ function setupStatefulComponent(
// 0. create render proxy property access cache // 0. create render proxy property access cache
instance.accessCache = {} instance.accessCache = {}
// 1. create public instance / render proxy // 1. create public instance / render proxy
instance.proxy = new Proxy(instance.ctx, PublicInstanceProxyHandlers) // also mark it raw so it's never observed
instance.proxy = markRaw(new Proxy(instance.ctx, PublicInstanceProxyHandlers))
if (__DEV__) { if (__DEV__) {
exposePropsOnRenderContext(instance) exposePropsOnRenderContext(instance)
} }