import { createRequire } from 'node:module'
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import { readFileSync, readdirSync } from 'node:fs'
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import path from 'node:path'
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import { transformWithEsbuild } from 'vite'
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import { installCryptoRandomUUID } from '../../src/utils/cryptoRandomUUID.js'
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const moduleId = 'virtual:superdoc-http-worker-url'
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const resolvedId = '\0' + moduleId
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// 为 SuperDoc 官方 Worker 添加 HTTP 下的 UUID 兼容入口。
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// emitFile 按最终内容生成 hash，发布后不会复用旧 Worker 的浏览器缓存。
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export default function superdocHttpWorker() {
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let base
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let building
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let source
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const route = '__superdoc_http_worker.js'
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return {
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name: 'superdoc-http-worker',
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configResolved(config) {
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base = config.base
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building = config.command === 'build'
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const require = createRequire(import.meta.url)
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const assetDir = path.join(path.dirname(require.resolve('@superdoc/docx-engine/package.json')), 'dist/assets')
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const entries = readdirSync(assetDir).filter(name => /^dom-worker-entry-.*\.js$/.test(name))
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if (entries.length !== 1) throw new Error('无法确定 SuperDoc 文档 Worker，请检查依赖版本')
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source = `;(${installCryptoRandomUUID.toString()})();\n` + readFileSync(path.join(assetDir, entries[0]), 'utf8')
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},
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resolveId(id) {
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if (id === moduleId) return resolvedId
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},
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async load(id) {
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if (id !== resolvedId) return
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if (!building) return `export default ${JSON.stringify(base + route)}`
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const minified = await transformWithEsbuild(source, 'superdoc-http-worker.js', { minify: true, legalComments: 'inline' })
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const reference = this.emitFile({ type: 'asset', name: 'superdoc-http-worker.js', source: minified.code })
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return `export default import.meta.ROLLUP_FILE_URL_${reference}`
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},
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configureServer(server) {
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server.middlewares.use((req, res, next) => {
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if (req.url?.split('?')[0] !== base + route) return next()
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res.setHeader('Content-Type', 'text/javascript; charset=utf-8')
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res.setHeader('Cache-Control', 'no-cache')
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res.end(source)
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})
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}
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}
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}
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