import { resolve } from 'path'
import { defineConfig } from 'vite'
import legacyPlugin from '@vitejs/plugin-legacy'
import { obfuscator } from 'rollup-obfuscator'

// https://vitejs.dev/config/
export default defineConfig({
  base: '/page_decrypt/',
  build: {
    minify: true,
    target: 'es2015',
    assetsDir: './',
    outDir: '../../dist/page_decrypt',
    emptyOutDir: true,
    rollupOptions: {
      input: {
        main: resolve(__dirname, 'index.html'),
        // decrypt: resolve(__dirname, 'decrypt-js/decrypt-js.html'),
      },
      output: {
        manualChunks: {
          'decrypt-pre1': [
            'src/decrypt-pre1.js'
          ],
          'decrypt-pre2': [
            'src/decrypt-pre2.js'
          ]
        }
      },
      plugins: [
        // 代码混淆
        // https://juejin.cn/post/7216915438297677882
        // https://juejin.cn/post/7292692843415109641 有更详细的配置
        obfuscator({
          compact: true,
          controlFlowFlattening: true,
          controlFlowFlatteningThreshold: 1,
          deadCodeInjection: true,
          deadCodeInjectionThreshold: 1,
          debugProtection: true,
          debugProtectionInterval: 0,
          disableConsoleOutput: true,
          identifierNamesGenerator: 'hexadecimal',
          log: false,
          renameGlobals: false,
          rotateStringArray: true,
          selfDefending: true,
          shuffleStringArray: true,
          splitStrings: true,
          splitStringsChunkLength: 10,
          stringArray: true,
          stringArrayEncoding: ['rc4'],
          stringArrayThreshold: 1,
          transformObjectKeys: true,
          unicodeEscapeSequence: false,
        }),
      ]
    },
  },
  plugins: [
    // https://juejin.cn/post/7358306245349605402
    legacyPlugin({
      // 如果不设置targets，默认值为'last 2 versions and not dead, > 0.3%, Firefox ESR'
      // 需要兼容的目标列表，可以设置多个
      targets: ['chrome 52'],  
    }),
  ]
})