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fix(nuxt): use starting index when transforming islands (#21795)

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Daniel Roe 2023-06-26 19:32:02 +01:00 committed by GitHub
parent 3550893227
commit 4a7134f9b4
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2 changed files with 22 additions and 16 deletions
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26
packages/nuxt/src/components/islandsTransform.ts
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@ -4,18 +4,23 @@ import { parseURL } from 'ufo'
import { createUnplugin } from 'unplugin'
import MagicString from 'magic-string'
import { ELEMENT_NODE, parse, walk } from 'ultrahtml'
import { isVue } from '../core/utils'
interface ServerOnlyComponentTransformPluginOptions {
getComponents: () => Component[]
}
const SCRIPT_RE = /<script[^>]*>/g
const HAS_SLOT_RE = /<slot[ /]/
const TEMPLATE_RE = /<template>([\s\S]*)<\/template>/
export const islandsTransform = createUnplugin((options: ServerOnlyComponentTransformPluginOptions) => {
return {
name: 'server-only-component-transform',
enforce: 'pre',
transformInclude (id) {
if (!isVue(id)) { return false }
const components = options.getComponents()
const islands = components.filter(component =>
component.island || (component.mode === 'server' && !components.some(c => c.pascalName === component.pascalName && c.mode === 'client'))
@ -24,9 +29,10 @@ export const islandsTransform = createUnplugin((options: ServerOnlyComponentTran
return islands.some(c => c.filePath === pathname)
},
async transform (code, id) {
if (!code.includes('<slot ')) { return }
const template = code.match(/<template>([\s\S]*)<\/template>/)
if (!HAS_SLOT_RE.test(code)) { return }
const template = code.match(TEMPLATE_RE)
if (!template) { return }
const startingIndex = template.index || 0
const s = new MagicString(code)
s.replace(SCRIPT_RE, (full) => {
@ -51,25 +57,25 @@ export const islandsTransform = createUnplugin((options: ServerOnlyComponentTran
const bindings = getBindings(attributes, vfor)
if (isSelfClosingTag) {
s.overwrite(loc[0].start, loc[0].end, `<div style="display: contents;" nuxt-ssr-slot-name="${slotName}" ${bindings}/>`)
s.overwrite(startingIndex + loc[0].start, startingIndex + loc[0].end, `<div style="display: contents;" nuxt-ssr-slot-name="${slotName}" ${bindings}/>`)
} else {
s.overwrite(loc[0].start, loc[0].end, `<div style="display: contents;" nuxt-ssr-slot-name="${slotName}" ${bindings}>`)
s.overwrite(loc[1].start, loc[1].end, '</div>')
s.overwrite(startingIndex + loc[0].start, startingIndex + loc[0].end, `<div style="display: contents;" nuxt-ssr-slot-name="${slotName}" ${bindings}>`)
s.overwrite(startingIndex + loc[1].start, startingIndex + loc[1].end, '</div>')
if (children.length > 1) {
// need to wrap instead of applying v-for on each child
const wrapperTag = `<div ${vfor ? `v-for="${vfor[0]} in ${vfor[1]}"` : ''} style="display: contents;">`
s.appendRight(loc[0].end, `<div nuxt-slot-fallback-start="${slotName}"/>${wrapperTag}`)
s.appendLeft(loc[1].start, '</div><div nuxt-slot-fallback-end/>')
s.appendRight(startingIndex + loc[0].end, `<div nuxt-slot-fallback-start="${slotName}"/>${wrapperTag}`)
s.appendLeft(startingIndex + loc[1].start, '</div><div nuxt-slot-fallback-end/>')
} else if (children.length === 1) {
if (vfor && children[0].type === ELEMENT_NODE) {
const { loc, name, attributes, isSelfClosingTag } = children[0]
const attrs = Object.entries(attributes).map(([attr, val]) => `${attr}="${val}"`).join(' ')
s.overwrite(loc[0].start, loc[0].end, `<${name} v-for="${vfor[0]} in ${vfor[1]}" ${attrs} ${isSelfClosingTag ? '/' : ''}>`)
s.overwrite(startingIndex + loc[0].start, startingIndex + loc[0].end, `<${name} v-for="${vfor[0]} in ${vfor[1]}" ${attrs} ${isSelfClosingTag ? '/' : ''}>`)
}
s.appendRight(loc[0].end, `<div nuxt-slot-fallback-start="${slotName}"/>`)
s.appendLeft(loc[1].start, '<div nuxt-slot-fallback-end/>')
s.appendRight(startingIndex + loc[0].end, `<div nuxt-slot-fallback-start="${slotName}"/>`)
s.appendLeft(startingIndex + loc[1].start, '<div nuxt-slot-fallback-end/>')
}
}
}

12
test/fixtures/basic/components/ServerOnlyComponent.server.vue vendored
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@ -1,15 +1,15 @@
<template>
<div>
server-only component
</div>
</template>
<script setup>
import { appendResponseHeader } from 'h3'
appendResponseHeader(useRequestEvent(), 'x-nitro-prerender', '/some/url/from/server-only/component')
</script>
<template>
<div>
server-only component
</div>
</template>
<style>
:root {
--server-only: 'server-only';