vue.config.js

const webpack = require('webpack');

module.exports = {
  lintOnSave: true,
  // productionTip: false,
  chainWebpack: config => config.resolve.symlinks(false),
  configureWebpack: {
    plugins: [
      new webpack.ProvidePlugin({
        Buffer: ['buffer', 'Buffer'],
      }),
      new webpack.ProvidePlugin({
        process: 'process/browser',
      }),
    ],
    resolve: {
      extensions: ['*', '.mjs', '.js', '.ts', '.vue', '.json'],
      fallback: {
        https: require.resolve('https-browserify'),
        os: require.resolve('os-browserify/browser'),
        url: require.resolve('url/'),
        http: require.resolve('stream-http'),
        stream: require.resolve('stream-browserify'),
        crypto: require.resolve('crypto-browserify'),
        assert: require.resolve('assert/'),
        buffer: require.resolve('buffer'),
      }
    },
    module: {
      rules: [
        {
          test: /\.mjs$/,
          include: /node_modules/,
          type: 'javascript/auto',
        },
      ],
    },
  },
};