perf(nuxt): use ServerPlaceholder for ssr client components (#28563)

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Julien Huang 2024-08-16 12:21:58 +02:00 committed by GitHub
parent 38a33dba19
commit 88384b3d2d
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@ -3,6 +3,7 @@ import type { ComponentInternalInstance, ComponentOptions, InjectionKey } from '
import { isPromise } from '@vue/shared'
import { useNuxtApp } from '../nuxt'
import { getFragmentHTML } from './utils'
import ServerPlaceholder from './server-placeholder'
export const clientOnlySymbol: InjectionKey<boolean> = Symbol.for('nuxt:client-only')
@ -36,6 +37,9 @@ const cache = new WeakMap()
/* @__NO_SIDE_EFFECTS__ */
export function createClientOnly<T extends ComponentOptions> (component: T) {
if (import.meta.server) {
return ServerPlaceholder
}
if (cache.has(component)) {
return cache.get(component)
}
@ -45,15 +49,14 @@ export function createClientOnly<T extends ComponentOptions> (component: T) {
if (clone.render) {
// override the component render (non script setup component) or dev mode
clone.render = (ctx: any, cache: any, $props: any, $setup: any, $data: any, $options: any) => {
// import.meta.client for server-side treeshakking
if (import.meta.client && ($setup.mounted$ ?? ctx.mounted$)) {
if ($setup.mounted$ ?? ctx.mounted$) {
const res = component.render?.bind(ctx)(ctx, cache, $props, $setup, $data, $options)
return (res.children === null || typeof res.children === 'string')
? cloneVNode(res)
: h(res)
} else {
const fragment = getFragmentHTML(ctx._.vnode.el ?? null) ?? ['<div></div>']
return import.meta.client ? createStaticVNode(fragment.join(''), fragment.length) : h('div', ctx.$attrs ?? ctx._.attrs)
return createStaticVNode(fragment.join(''), fragment.length)
}
}
} else if (clone.template) {
@ -66,10 +69,10 @@ export function createClientOnly<T extends ComponentOptions> (component: T) {
clone.setup = (props, ctx) => {
const nuxtApp = useNuxtApp()
const mounted$ = ref(import.meta.client && nuxtApp.isHydrating === false)
const mounted$ = ref(nuxtApp.isHydrating === false)
const instance = getCurrentInstance()!
if (import.meta.server || nuxtApp.isHydrating) {
if (nuxtApp.isHydrating) {
const attrs = { ...instance.attrs }
// remove existing directives during hydration
const directives = extractDirectives(instance)
@ -97,14 +100,14 @@ export function createClientOnly<T extends ComponentOptions> (component: T) {
return setupState
}
return (...args: any[]) => {
if (import.meta.client && (mounted$.value || !nuxtApp.isHydrating)) {
if (mounted$.value || !nuxtApp.isHydrating) {
const res = setupState(...args)
return (res.children === null || typeof res.children === 'string')
? cloneVNode(res)
: h(res)
} else {
const fragment = getFragmentHTML(instance?.vnode.el ?? null) ?? ['<div></div>']
return import.meta.client ? createStaticVNode(fragment.join(''), fragment.length) : h('div', ctx.attrs)
return createStaticVNode(fragment.join(''), fragment.length)
}
}
})
@ -115,9 +118,7 @@ export function createClientOnly<T extends ComponentOptions> (component: T) {
return h(setupState(...args), ctx.attrs)
}
const fragment = getFragmentHTML(instance?.vnode.el ?? null) ?? ['<div></div>']
return import.meta.client
? createStaticVNode(fragment.join(''), fragment.length) :
h('div', ctx.attrs)
return createStaticVNode(fragment.join(''), fragment.length)
}
}
return Object.assign(setupState, { mounted$ })