snowpack.config.js

// Snowpack Configuration File
// See all supported options: https://www.snowpack.dev/reference/configuration

// see https://github.com/terser/terser#compress-options
const ecmaVersion = "es2018"

/** @type {import("snowpack").SnowpackUserConfig } */
module.exports = {
  mount: {
    public: { url: "/", static: true, resolve: false },
    src: "/dist",
  },
  buildOptions: {
    minify: false,
  },
  plugins: [
    "@snowpack/plugin-dotenv",
    "@snowpack/plugin-postcss",
    [
      "snowpack-plugin-terser",
      {
        terserOptions: {
          compress: {
            ecma: ecmaVersion,
          },
          format: {
            ecma: ecmaVersion,
          },
        },
      },
    ],
  ],
  optimize: {
    entrypoints: ["src/index.js"],
    bundle: true,
    minify: false, // minification is done by terser
    treeshake: true,
    target: ecmaVersion,
  },
}