free-draw/config/webpack/webpack.base.config.js

Free draw shapes use canvas

const path = require('path');
const webpack = require('webpack');

module.exports = {
  output: {
    path: path.resolve(__dirname, '../../build'),
    filename: '[name].js',
    publicPath: '/build/',
    libraryTarget: 'umd',
    library: 'FreeDraw'
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        loader: 'babel-loader',
        exclude: /(node_modules|build|coverage)/,
        options: {
          presets: ['@babel/preset-env']
        }
      }
    ]
  },
  plugins: [
    new webpack.DefinePlugin({ // 定义环境变量
      'process.env': JSON.stringify(process.env.NODE_ENV)
    })
  ]
};