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在线预览

vue3项目打包后部署到github pages 后，预览网站提示下划线开头的一个文件_plugin-vue_export-helper访问不到，网络请求显示404

处理GitHub Pages 部署 _plugin-vue_export-helper.js 404
https://github.com/rollup/rollup/blob/master/src/utils/sanitizeFileName.ts

解决办法

需要修改配置 vite.config.js，重写打包的方案

// 打包配置

const INVALID_CHAR_REGEX = /[\u0000-\u001F"#$&*+,:;<=>?[\]^`{|}\u007F]/g
const DRIVE_LETTER_REGEX = /^[a-z]:/i

export function setupBuild() {
  return {
    outDir: 'dist',
    sourcemap: false,
    // 消除打包大小超过500kb警告
    chunkSizeWarningLimit: 2000,
    rollupOptions: {
      input: {
        index: 'index.html'
      },
      // 静态资源分类打包
      output: {
        chunkFileNames: 'static/js/[name]-[hash].js',
        entryFileNames: 'static/js/[name]-[hash].js',
        assetFileNames: 'static/[ext]/[name]-[hash].[ext]',
        // TODO: 处理GitHub Pages 部署 _plugin-vue_export-helper.js 404
        // https://github.com/rollup/rollup/blob/master/src/utils/sanitizeFileName.ts
        sanitizeFileName(name: any) {
          const match = DRIVE_LETTER_REGEX.exec(name)
          const driveLetter = match ? match[0] : ''
          // A `:` is only allowed as part of a windows drive letter (ex: C:\foo)
          // Otherwise, avoid them because they can refer to NTFS alternate data streams.
          return driveLetter + name.slice(driveLetter.length).replace(INVALID_CHAR_REGEX, '')
        },
        manualChunks(id: any) {
          if (id.includes('node_modules')) {
            return id.toString().match(/\/node_modules\/(?!.pnpm)(?<moduleName>[^\/]*)\//)?.groups!.moduleName ?? 'vender'
          }
        }
        // manualChunks(id) {
        //   if (id.includes('node_modules')) {
        //     return id.toString().split('node_modules/')[1].split('/')[0].toString()
        //   }
        // }
      }
    }
  }
}

vite.config.ts文件引入

import { setupBuild } from './build/index'

export default defineConfig({
   build: setupBuild(),
});