mirror of
https://github.com/nuxt/nuxt.git
synced 2024-11-21 21:25:11 +00:00
wip
This commit is contained in:
Daniel Roe
parent
0223761847
commit
409e8ebf37
@ -1,21 +1,15 @@
|
||||
import { AsyncLocalStorage } from 'node:async_hooks'
|
||||
import {
|
||||
createRenderer,
|
||||
getPrefetchLinks,
|
||||
getPreloadLinks,
|
||||
getRequestDependencies,
|
||||
renderResourceHeaders,
|
||||
} from 'vue-bundle-renderer/runtime'
|
||||
import { createRenderer, getPrefetchLinks, getPreloadLinks, getRequestDependencies, getResources, renderResourceHeaders } from 'vue-bundle-renderer/runtime'
|
||||
import type { Manifest as ClientManifest } from 'vue-bundle-renderer'
|
||||
import type { RenderResponse } from 'nitro/types'
|
||||
import type { NitroApp, RenderResponse } from 'nitro/types'
|
||||
import type { Manifest } from 'vite'
|
||||
import type { H3Event } from 'h3'
|
||||
import { appendResponseHeader, createError, getQuery, getResponseStatus, getResponseStatusText, readBody, writeEarlyHints } from 'h3'
|
||||
import { appendResponseHeader, createError, getHeader, getQuery, getResponseStatus, getResponseStatusText, readBody, writeEarlyHints } from 'h3'
|
||||
import devalue from '@nuxt/devalue'
|
||||
import { stringify, uneval } from 'devalue'
|
||||
import destr from 'destr'
|
||||
import { getQuery as getURLQuery, joinURL, withoutTrailingSlash } from 'ufo'
|
||||
import { renderToString as _renderToString } from 'vue/server-renderer'
|
||||
import { renderToString as _renderToString, renderToWebStream } from 'vue/server-renderer'
|
||||
import { hash } from 'ohash'
|
||||
import { propsToString, renderSSRHead } from '@unhead/ssr'
|
||||
import type { HeadEntryOptions } from '@unhead/schema'
|
||||
@ -339,6 +333,10 @@ export default defineRenderHandler(async (event): Promise<Partial<RenderResponse
|
||||
}
|
||||
}
|
||||
|
||||
if (!isRenderingIsland && !isRenderingPayload && !isCrawler(event) /* && isWebBrowser(event) */) {
|
||||
return streamedResponse(event, ssrContext, renderer, head, nitroApp)
|
||||
}
|
||||
|
||||
const _rendered = await renderer.renderToString(ssrContext).catch(async (error) => {
|
||||
// We use error to bypass full render if we have an early response we can make
|
||||
if (ssrContext._renderResponse && error.message === 'skipping render') { return {} as ReturnType<typeof renderer['renderToString']> }
|
||||
@ -710,3 +708,192 @@ function replaceIslandTeleports (ssrContext: NuxtSSRContext, html: string) {
|
||||
}
|
||||
return html
|
||||
}
|
||||
|
||||
function renderStreamedHTMLDocument (html: NuxtRenderHTMLContext) {
|
||||
return [
|
||||
'<!DOCTYPE html>' +
|
||||
`<html${joinAttrs(html.htmlAttrs)}>` +
|
||||
`<head>${joinTags(html.head)}</head>` +
|
||||
`<body${joinAttrs(html.bodyAttrs)}>${joinTags(html.bodyPrepend)}` +
|
||||
APP_ROOT_OPEN_TAG,
|
||||
// HTML body will be streamed here
|
||||
APP_ROOT_CLOSE_TAG +
|
||||
`</body>` +
|
||||
'</html>',
|
||||
]
|
||||
}
|
||||
async function streamedResponse (event: H3Event, ssrContext: NuxtSSRContext, renderer: Awaited<ReturnType<typeof getSSRRenderer>>, head: ReturnType<typeof createServerHead>, nitroApp: NitroApp) {
|
||||
const createApp = await Promise.resolve(getServerEntry()).then(r => 'default' in r ? r.default : r)
|
||||
|
||||
// Create a ReadableStream
|
||||
const stream = new ReadableStream({
|
||||
start (controller) {
|
||||
const render = async () => {
|
||||
const _PAYLOAD_EXTRACTION = import.meta.prerender && process.env.NUXT_PAYLOAD_EXTRACTION && !ssrContext.noSSR
|
||||
const routeOptions = getRouteRules(event)
|
||||
const NO_SCRIPTS = process.env.NUXT_NO_SCRIPTS || routeOptions.experimentalNoScripts
|
||||
const payloadURL = _PAYLOAD_EXTRACTION ? joinURL(ssrContext.runtimeConfig.app.cdnURL || ssrContext.runtimeConfig.app.baseURL, event.path, process.env.NUXT_JSON_PAYLOADS ? '_payload.json' : '_payload.js') + '?' + ssrContext.runtimeConfig.app.buildId : undefined
|
||||
const inlinedStyles = (process.env.NUXT_INLINE_STYLES) ? await renderInlineStyles(ssrContext.modules ?? []) : []
|
||||
|
||||
// Setup head
|
||||
const { styles, scripts } = getRequestDependencies(ssrContext, renderer.rendererContext)
|
||||
// 1.Extracted payload preloading
|
||||
if (_PAYLOAD_EXTRACTION && !NO_SCRIPTS) {
|
||||
head.push({
|
||||
link: [
|
||||
process.env.NUXT_JSON_PAYLOADS
|
||||
? { rel: 'preload', as: 'fetch', crossorigin: 'anonymous', href: payloadURL }
|
||||
: { rel: 'modulepreload', href: payloadURL },
|
||||
],
|
||||
}, { mode: 'server' })
|
||||
}
|
||||
|
||||
// 2. Styles
|
||||
// cacheable
|
||||
head.push({ style: inlinedStyles })
|
||||
const link: Link[] = []
|
||||
for (const style in styles) {
|
||||
const resource = styles[style]
|
||||
// Do not add links to resources that are inlined (vite v5+)
|
||||
if (import.meta.dev && 'inline' in getURLQuery(resource.file)) {
|
||||
continue
|
||||
}
|
||||
link.push({ rel: 'stylesheet', href: renderer.rendererContext.buildAssetsURL(resource.file) })
|
||||
}
|
||||
head.push({ link }, { mode: 'server' })
|
||||
|
||||
// 5. Scripts
|
||||
if (!routeOptions.experimentalNoScripts) {
|
||||
head.push({
|
||||
script: Object.values(scripts).map(resource => (<Script> {
|
||||
type: resource.module ? 'module' : null,
|
||||
src: renderer.rendererContext.buildAssetsURL(resource.file),
|
||||
defer: resource.module ? null : true,
|
||||
// if we are rendering script tag payloads that import an async payload
|
||||
// we need to ensure this resolves before executing the Nuxt entry
|
||||
tagPosition: (_PAYLOAD_EXTRACTION && !process.env.NUXT_JSON_PAYLOADS) ? 'bodyClose' : 'head',
|
||||
crossorigin: '',
|
||||
})),
|
||||
}, { mode: 'server' })
|
||||
}
|
||||
|
||||
// remove certain tags for nuxt islands
|
||||
const { headTags, bodyTags, bodyTagsOpen, htmlAttrs, bodyAttrs } = await renderSSRHead(head, renderSSRHeadOptions)
|
||||
|
||||
// Create render context
|
||||
const htmlContext: NuxtRenderHTMLContext = {
|
||||
island: false,
|
||||
htmlAttrs: htmlAttrs ? [htmlAttrs] : [],
|
||||
head: normalizeChunks([headTags]),
|
||||
bodyAttrs: bodyAttrs ? [bodyAttrs] : [],
|
||||
bodyPrepend: normalizeChunks([bodyTagsOpen, ssrContext.teleports?.body]),
|
||||
body: [],
|
||||
bodyAppend: [bodyTags],
|
||||
}
|
||||
|
||||
// Allow hooking into the rendered result
|
||||
await nitroApp.hooks.callHook('render:html', htmlContext, { event })
|
||||
const [open, close] = renderStreamedHTMLDocument(htmlContext)
|
||||
controller.enqueue(open)
|
||||
|
||||
try {
|
||||
const app = await createApp(ssrContext)
|
||||
const vueStream = renderToWebStream(app, ssrContext)
|
||||
const reader = vueStream.getReader()
|
||||
const decoder = new TextDecoder()
|
||||
let result: ReadableStreamReadResult<any>
|
||||
while (result = await reader.read(), !result.done) {
|
||||
controller.enqueue(decoder.decode(result.value))
|
||||
}
|
||||
// TODO: handle type mismatch
|
||||
await ssrContext.nuxt?.hooks.callHook('app:rendered', { ssrContext })
|
||||
controller.enqueue(APP_TELEPORT_OPEN_TAG + (HAS_APP_TELEPORTS ? joinTags([ssrContext.teleports?.[`#${appTeleportAttrs.id}`]]) : '') + APP_TELEPORT_CLOSE_TAG)
|
||||
controller.enqueue(close)
|
||||
|
||||
if (!NO_SCRIPTS) {
|
||||
// 4. Payloads
|
||||
head.push({
|
||||
script: _PAYLOAD_EXTRACTION
|
||||
? process.env.NUXT_JSON_PAYLOADS
|
||||
? renderPayloadJsonScript({ id: '__NUXT_DATA__', ssrContext, data: splitPayload(ssrContext).initial, src: payloadURL })
|
||||
: renderPayloadScript({ ssrContext, data: splitPayload(ssrContext).initial, src: payloadURL })
|
||||
: process.env.NUXT_JSON_PAYLOADS
|
||||
? renderPayloadJsonScript({ id: '__NUXT_DATA__', ssrContext, data: ssrContext.payload })
|
||||
: renderPayloadScript({ ssrContext, data: ssrContext.payload }),
|
||||
}, {
|
||||
mode: 'server',
|
||||
// this should come before another end of body scripts
|
||||
tagPosition: 'bodyClose',
|
||||
tagPriority: 'high',
|
||||
})
|
||||
}
|
||||
|
||||
const { bodyTags } = await renderSSRHead(head, renderSSRHeadOptions)
|
||||
controller.enqueue(joinTags([bodyTags]))
|
||||
controller.close()
|
||||
// console.log(ssrContext.payload?.error)
|
||||
|
||||
if (ssrContext.payload?.error) {
|
||||
// controller.error(ssrContext.payload.error)
|
||||
}
|
||||
} catch (error: any) {
|
||||
if (ssrContext._renderResponse && error.message === 'skipping render') {
|
||||
// skip render
|
||||
controller.close()
|
||||
console.log('skipping render')
|
||||
}
|
||||
// // We use error to bypass full render if we have an early response we can make
|
||||
// if (ssrContext._renderResponse && error.message === 'skipping render') { return {} as ReturnType<typeof renderer['renderToString']> }
|
||||
|
||||
// // Use explicitly thrown error in preference to subsequent rendering errors
|
||||
// const _err = (!ssrError && ssrContext.payload?.error) || error
|
||||
// await ssrContext.nuxt?.hooks.callHook('app:error', _err)
|
||||
// throw _err
|
||||
// })
|
||||
// await ssrContext.nuxt?.hooks.callHook('app:rendered', { ssrContext, renderResult: _rendered })
|
||||
|
||||
// if (ssrContext._renderResponse) { return ssrContext._renderResponse }
|
||||
|
||||
// // Handle errors
|
||||
// if (ssrContext.payload?.error && !ssrError) {
|
||||
// throw ssrContext.payload.error
|
||||
// }
|
||||
controller.error(error)
|
||||
console.log('error in stream')
|
||||
}
|
||||
}
|
||||
render()
|
||||
},
|
||||
})
|
||||
|
||||
const headers: Record<string, string> = {
|
||||
'content-type': 'text/html;charset=utf-8',
|
||||
'x-powered-by': 'Nuxt',
|
||||
}
|
||||
|
||||
const resourceHeaders = renderResourceHeaders(ssrContext, renderer.rendererContext)
|
||||
|
||||
if (resourceHeaders.link) {
|
||||
headers.link = resourceHeaders.link
|
||||
}
|
||||
|
||||
const streamedResponse = {
|
||||
body: stream,
|
||||
statusCode: getResponseStatus(event),
|
||||
statusMessage: getResponseStatusText(event),
|
||||
headers,
|
||||
} satisfies RenderResponse
|
||||
|
||||
return streamedResponse
|
||||
}
|
||||
|
||||
function isWebBrowser (event: H3Event) {
|
||||
const agent = getHeader(event, 'user-agent')
|
||||
return agent && agent.includes('Mozilla')
|
||||
}
|
||||
|
||||
const BOT_RE = /bot\b|index|spider|facebookexternalhit|crawl|wget|slurp|mediapartners-google|whatsapp/i
|
||||
function isCrawler (event: H3Event) {
|
||||
const agent = getHeader(event, 'user-agent')
|
||||
return agent && BOT_RE.test(agent)
|
||||
}
|
||||
|
||||
@ -1,13 +0,0 @@
|
||||
<script setup lang="ts">
|
||||
</script>
|
||||
|
||||
<template>
|
||||
<!-- Edit this file to play around with Nuxt but never commit changes! -->
|
||||
<div>
|
||||
Nuxt Playground
|
||||
</div>
|
||||
</template>
|
||||
|
||||
<style scoped>
|
||||
|
||||
</style>
|
||||
14
playground/components/TestMe.vue
Normal file
14
playground/components/TestMe.vue
Normal file
@ -0,0 +1,14 @@
|
||||
<script setup lang="ts">
|
||||
await new Promise((resolve) => {
|
||||
setTimeout(() => {
|
||||
resolve()
|
||||
}, 2000)
|
||||
})
|
||||
</script>
|
||||
|
||||
<template>
|
||||
<div>
|
||||
test component
|
||||
</div>
|
||||
</template>
|
||||
|
||||
24
playground/pages/index.vue
Normal file
24
playground/pages/index.vue
Normal file
@ -0,0 +1,24 @@
|
||||
<script setup lang="ts">
|
||||
const colors = ['red', 'blue', 'green']
|
||||
const color = ref('blue')
|
||||
if (import.meta.client) {
|
||||
setInterval(() => {
|
||||
color.value = colors[Math.floor(Math.random() * colors.length)]
|
||||
console.log('updating color', color.value)
|
||||
}, 200)
|
||||
}
|
||||
</script>
|
||||
|
||||
<template>
|
||||
<div>
|
||||
Nuxt Playground before long component
|
||||
<TestMe />
|
||||
after long component
|
||||
</div>
|
||||
</template>
|
||||
|
||||
<style scoped>
|
||||
div {
|
||||
background-color: v-bind(color);
|
||||
}
|
||||
</style>
|
||||
Loading…
Reference in New Issue
Block a user