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54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
import { createUnplugin } from 'unplugin'
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import type { ComponentsOptions } from '@nuxt/schema'
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import MagicString from 'magic-string'
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import { isAbsolute, relative } from 'pathe'
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import { hash } from 'ohash'
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import { isVue } from '../core/utils'
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interface LoaderOptions {
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sourcemap?: boolean
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transform?: ComponentsOptions['transform'],
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rootDir: string
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}
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const CLIENT_FALLBACK_RE = /<(NuxtClientFallback|nuxt-client-fallback)( [^>]*)?>/
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const CLIENT_FALLBACK_GLOBAL_RE = /<(NuxtClientFallback|nuxt-client-fallback)( [^>]*)?>/g
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export const clientFallbackAutoIdPlugin = createUnplugin((options: LoaderOptions) => {
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const exclude = options.transform?.exclude || []
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const include = options.transform?.include || []
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return {
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name: 'nuxt:client-fallback-auto-id',
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enforce: 'pre',
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transformInclude (id) {
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if (exclude.some(pattern => pattern.test(id))) {
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return false
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}
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if (include.some(pattern => pattern.test(id))) {
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return true
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}
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return isVue(id)
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},
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transform (code, id) {
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if (!CLIENT_FALLBACK_RE.test(code)) { return }
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const s = new MagicString(code)
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const relativeID = isAbsolute(id) ? relative(options.rootDir, id) : id
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let count = 0
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s.replace(CLIENT_FALLBACK_GLOBAL_RE, (full, name, attrs) => {
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count++
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if (/ :?uid=/g.test(attrs)) { return full }
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return `<${name} :uid="'${hash(relativeID)}' + JSON.stringify($props) + '${count}'" ${attrs ?? ''}>`
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})
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if (s.hasChanged()) {
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return {
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code: s.toString(),
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map: options.sourcemap
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? s.generateMap({ hires: true })
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: undefined
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}
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}
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}
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}
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})
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