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fix(nuxt): move v-if to wrapper in islands transform (#26386)

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Julien Huang 2024-03-25 11:19:02 +01:00 committed by GitHub
parent 79787c8123
commit 8911c0d0dd
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2 changed files with 67 additions and 19 deletions
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51
packages/nuxt/src/components/islandsTransform.ts
View File

@ -34,6 +34,7 @@ const HAS_SLOT_OR_CLIENT_RE = /(<slot[^>]*>)|(nuxt-client)/
const TEMPLATE_RE = /<template>([\s\S]*)<\/template>/
const NUXTCLIENT_ATTR_RE = /\s:?nuxt-client(="[^"]*")?/g
const IMPORT_CODE = '\nimport { vforToArray as __vforToArray } from \'#app/components/utils\'' + '\nimport NuxtTeleportIslandComponent from \'#app/components/nuxt-teleport-island-component\'' + '\nimport NuxtTeleportSsrSlot from \'#app/components/nuxt-teleport-island-slot\''
const EXTRACTED_ATTRS_RE = /v-(?:if|else-if|else)(="[^"]*")?/g
function wrapWithVForDiv (code: string, vfor: string): string {
return `<div v-for="${vfor}" style="display: contents;">${code}</div>`
@ -79,29 +80,31 @@ export const islandsTransform = createUnplugin((options: ServerOnlyComponentTran
if (node.name === 'slot') {
const { attributes, children, loc } = node
// pass slot fallback to NuxtTeleportSsrSlot fallback
if (children.length) {
const attrString = Object.entries(attributes).map(([name, value]) => name ? `${name}="${value}" ` : value).join(' ')
const slice = code.slice(startingIndex + loc[0].end, startingIndex + loc[1].start).replaceAll(/:?key="[^"]"/g, '')
s.overwrite(startingIndex + loc[0].start, startingIndex + loc[1].end, `<slot ${attrString} /><template #fallback>${attributes['v-for'] ? wrapWithVForDiv(slice, attributes['v-for']) : slice}</template>`)
}
const slotName = attributes.name ?? 'default'
let vfor: [string, string] | undefined
let vfor: string | undefined
if (attributes['v-for']) {
vfor = attributes['v-for'].split(' in ').map((v: string) => v.trim()) as [string, string]
vfor = attributes['v-for']
}
delete attributes['v-for']
if (attributes.name) { delete attributes.name }
if (attributes['v-bind']) {
attributes._bind = attributes['v-bind']
delete attributes['v-bind']
attributes._bind = extractAttributes(attributes, ['v-bind'])['v-bind']
}
const bindings = getPropsToString(attributes, vfor)
const teleportAttributes = extractAttributes(attributes, ['v-if', 'v-else-if', 'v-else'])
const bindings = getPropsToString(attributes, vfor?.split(' in ').map((v: string) => v.trim()) as [string, string])
// add the wrapper
s.appendLeft(startingIndex + loc[0].start, `<NuxtTeleportSsrSlot name="${slotName}" :props="${bindings}">`)
s.appendLeft(startingIndex + loc[0].start, `<NuxtTeleportSsrSlot${attributeToString(teleportAttributes)} name="${slotName}" :props="${bindings}">`)
if (children.length) {
// pass slot fallback to NuxtTeleportSsrSlot fallback
const attrString = attributeToString(attributes)
const slice = code.slice(startingIndex + loc[0].end, startingIndex + loc[1].start).replaceAll(/:?key="[^"]"/g, '')
s.overwrite(startingIndex + loc[0].start, startingIndex + loc[1].end, `<slot${attrString.replaceAll(EXTRACTED_ATTRS_RE, '')}/><template #fallback>${vfor ? wrapWithVForDiv(slice, vfor) : slice}</template>`)
} else {
s.overwrite(startingIndex + loc[0].start, startingIndex + loc[0].end, code.slice(startingIndex + loc[0].start, startingIndex + loc[0].end).replaceAll(EXTRACTED_ATTRS_RE, ''))
}
s.appendRight(startingIndex + loc[1].end, '</NuxtTeleportSsrSlot>')
} else if (options.selectiveClient && ('nuxt-client' in node.attributes || ':nuxt-client' in node.attributes)) {
hasNuxtClient = true
@ -132,13 +135,31 @@ export const islandsTransform = createUnplugin((options: ServerOnlyComponentTran
}
})
/**
* extract attributes from a node
*/
function extractAttributes (attributes: Record<string, string>, names: string[]) {
const extracted:Record<string, string> = {}
for (const name of names) {
if (name in attributes) {
extracted[name] = attributes[name]
delete attributes[name]
}
}
return extracted
}
function attributeToString (attributes: Record<string, string>) {
return Object.entries(attributes).map(([name, value]) => value ? ` ${name}="${value}"` : ` ${name}`).join('')
}
function isBinding (attr: string): boolean {
return attr.startsWith(':')
}
function getPropsToString (bindings: Record<string, string>, vfor?: [string, string]): string {
if (Object.keys(bindings).length === 0) { return 'undefined' }
const content = Object.entries(bindings).filter(b => b[0] && b[0] !== '_bind').map(([name, value]) => isBinding(name) ? `${name.slice(1)}: ${value}` : `${name}: \`${value}\``).join(',')
const content = Object.entries(bindings).filter(b => b[0] && b[0] !== '_bind').map(([name, value]) => isBinding(name) ? `[\`${name.slice(1)}\`]: ${value}` : `[\`${name}\`]: \`${value}\``).join(',')
const data = bindings._bind ? `mergeProps(${bindings._bind}, { ${content} })` : `{ ${content} }`
if (!vfor) {
return `[${data}]`

35
packages/nuxt/test/islandTransform.test.ts
View File

@ -65,8 +65,8 @@ describe('islandTransform - server and island components', () => {
<div>
<NuxtTeleportSsrSlot name="default" :props="undefined"><slot /></NuxtTeleportSsrSlot>
<NuxtTeleportSsrSlot name="named" :props="[{ some-data: someData }]"><slot name="named" :some-data="someData" /></NuxtTeleportSsrSlot>
<NuxtTeleportSsrSlot name="other" :props="[{ some-data: someData }]"><slot
<NuxtTeleportSsrSlot name="named" :props="[{ [\`some-data\`]: someData }]"><slot name="named" :some-data="someData" /></NuxtTeleportSsrSlot>
<NuxtTeleportSsrSlot name="other" :props="[{ [\`some-data\`]: someData }]"><slot
name="other"
:some-data="someData"
/></NuxtTeleportSsrSlot>
@ -99,7 +99,7 @@ describe('islandTransform - server and island components', () => {
expect(normalizeLineEndings(result)).toMatchInlineSnapshot(`
"<template>
<div>
<NuxtTeleportSsrSlot name="default" :props="[{ some-data: someData }]"><slot :some-data="someData" /><template #fallback>
<NuxtTeleportSsrSlot name="default" :props="[{ [\`some-data\`]: someData }]"><slot :some-data="someData"/><template #fallback>
<div>fallback</div>
</template></NuxtTeleportSsrSlot>
</div>
@ -158,7 +158,7 @@ describe('islandTransform - server and island components', () => {
<p>message: {{ message }}</p>
<p>Below is the slot I want to be hydrated on the client</p>
<div>
<NuxtTeleportSsrSlot name="default" :props="undefined"><slot /><template #fallback>
<NuxtTeleportSsrSlot name="default" :props="undefined"><slot/><template #fallback>
This is the default content of the slot, I should not see this after
the client loading has completed.
</template></NuxtTeleportSsrSlot>
@ -183,6 +183,33 @@ describe('islandTransform - server and island components', () => {
"
`)
})
it('expect v-if/v-else/v-else-if to be set in teleport component wrapper', async () => {
const result = await viteTransform(`<script setup lang="ts">
const foo = true;
</script>
<template>
<slot v-if="foo" />
<slot v-else-if="test" />
<slot v-else />
</template>
`, 'WithVif.vue', false, true)
expect(normalizeLineEndings(result)).toMatchInlineSnapshot(`
"<script setup lang="ts">
import { vforToArray as __vforToArray } from '#app/components/utils'
import NuxtTeleportIslandComponent from '#app/components/nuxt-teleport-island-component'
import NuxtTeleportSsrSlot from '#app/components/nuxt-teleport-island-slot'
const foo = true;
</script>
<template>
<NuxtTeleportSsrSlot v-if="foo" name="default" :props="undefined"><slot /></NuxtTeleportSsrSlot>
<NuxtTeleportSsrSlot v-else-if="test" name="default" :props="undefined"><slot /></NuxtTeleportSsrSlot>
<NuxtTeleportSsrSlot v-else name="default" :props="undefined"><slot /></NuxtTeleportSsrSlot>
</template>
"
`)
})
})
describe('nuxt-client', () => {