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perf: scope islands transform functions

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tbitw2549 2024-10-26 18:08:59 +03:00
parent f18278fe28
commit 49545e6bdf
1 changed files with 34 additions and 34 deletions
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68
packages/nuxt/src/components/plugins/islands-transform.ts
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@ -38,6 +38,40 @@ export const IslandsTransformPlugin = (options: ServerOnlyComponentTransformPlug
return `<div v-for="${vfor}" style="display: contents;">${code}</div>` return `<div v-for="${vfor}" style="display: contents;">${code}</div>`
} }
/**
* 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}"` : ` ${name}`).join('')
}
function isBinding (attr: string): boolean {
return attr.startsWith(':')
}
function getPropsToString (bindings: Record<string, string>): string {
const vfor = bindings['v-for']?.split(' in ').map((v: string) => v.trim()) as [string, string] | undefined
if (Object.keys(bindings).length === 0) { return 'undefined' }
const content = Object.entries(bindings).filter(b => b[0] && (b[0] !== '_bind' && b[0] !== 'v-for')).map(([name, value]) => isBinding(name) ? `[\`${name.slice(1)}\`]: ${value}` : `[\`${name}\`]: \`${value}\``).join(',')
const data = bindings._bind ? `__mergeProps(${bindings._bind}, { ${content} })` : `{ ${content} }`
if (!vfor) {
return `[${data}]`
} else {
return `__vforToArray(${vfor[1]}).map(${vfor[0]} => (${data}))`
}
}
return { return {
name: 'nuxt:server-only-component-transform', name: 'nuxt:server-only-component-transform',
enforce: 'pre', enforce: 'pre',
@ -145,40 +179,6 @@ export const IslandsTransformPlugin = (options: ServerOnlyComponentTransformPlug
} }
}) })
/**
* 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}"` : ` ${name}`).join('')
}
function isBinding (attr: string): boolean {
return attr.startsWith(':')
}
function getPropsToString (bindings: Record<string, string>): string {
const vfor = bindings['v-for']?.split(' in ').map((v: string) => v.trim()) as [string, string] | undefined
if (Object.keys(bindings).length === 0) { return 'undefined' }
const content = Object.entries(bindings).filter(b => b[0] && (b[0] !== '_bind' && b[0] !== 'v-for')).map(([name, value]) => isBinding(name) ? `[\`${name.slice(1)}\`]: ${value}` : `[\`${name}\`]: \`${value}\``).join(',')
const data = bindings._bind ? `__mergeProps(${bindings._bind}, { ${content} })` : `{ ${content} }`
if (!vfor) {
return `[${data}]`
} else {
return `__vforToArray(${vfor[1]}).map(${vfor[0]} => (${data}))`
}
}
export const ComponentsChunkPlugin = createUnplugin((options: ComponentChunkOptions) => { export const ComponentsChunkPlugin = createUnplugin((options: ComponentChunkOptions) => {
const { buildDir } = options const { buildDir } = options
return { return {