Webpackでビルド時にSplitChunksPluginでファイル分割を行う

{
  optimization: {
    splitChunks: {
      chunks: 'initial',
      minSize: 100000,
      maxSize: 300000,
      maxInitialRequests: 10,
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          reuseExistingChunk: true,
          name(module,chunks,cacheGroupKey) {
            const allChunksHashes = chunks.map((item)=>item.hash).join('~');
            return `${cacheGroupKey}${allChunksHashes}`
          }
        },
      },
    },
  },
}