mirror of
https://github.com/nuxt/nuxt.git
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48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
import { runInNewContext } from 'node:vm'
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import { join, resolve } from 'node:path'
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import { fileURLToPath } from 'node:url'
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import { promises as fsp } from 'node:fs'
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import type { Plugin } from 'vite'
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import genericMessages from '../templates/messages.json'
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import { version } from '../../nuxt/package.json'
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const templatesRoot = fileURLToPath(new URL('..', import.meta.url))
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const r = (...path: string[]) => resolve(join(templatesRoot, ...path))
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export const DevRenderingPlugin = () => {
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return <Plugin>{
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name: 'dev-rendering',
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async transformIndexHtml (html: string, context) {
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const page = context.originalUrl || '/'
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if (page.endsWith('.png')) { return }
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if (page === '/') {
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const templateNames = await fsp.readdir(r('templates'))
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const serializedData = JSON.stringify({ templateNames })
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return html.replace('{{ data }}', serializedData)
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}
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const contents = await fsp.readFile(r(page, 'index.html'), 'utf-8')
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const messages = JSON.parse(await fsp.readFile(r(page, 'messages.json'), 'utf-8'))
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const chunks = contents.split(/\{{2,3}[^{}]+\}{2,3}/g)
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let templateString = chunks.shift()
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for (const expression of contents.matchAll(/\{{2,3}([^{}]+)\}{2,3}/g)) {
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const value = runInNewContext(expression[1]!.trim(), {
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version,
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messages: { ...genericMessages, ...messages },
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})
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templateString += `${value}${chunks.shift()}`
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}
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if (chunks.length > 0) {
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templateString += chunks.join('')
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}
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return templateString
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},
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}
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}
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