const paths = require("./paths");

module.exports = {
  // 入口
  entry: {
    index: "./src/index.js",
  },
  // 输出
  output: {
    // bundle 文件名称
    filename: "[name].js",

    // bundle 文件路径
    path: paths.resolveApp("build"),

    // 编译前清除目录
    clean: true,

    //输出umd模式库配置
    globalObject: "this",

    library: {
      name: "TileLnglatTransform",
      type: "umd2",
    },
  },
  mode: "production",
  // 开发工具，开启 source map，编译调试
  devtool: "eval-cheap-module-source-map",
  resolve: {
    extensions: [".js"],
  },
  module: {
    rules: [
      {
        test: /\.(js|ts)$/,
        include: paths.appSrc,
        use: [
          {
            loader: "esbuild-loader",
            options: {
              target: "es2015",
            },
          },
        ],
      },
    ],
  },
};