feat: remove umd build, minimize esm bundle

package.json

@@ -26,8 +26,7 @@
     "build": "rimraf ./dist; run-s build:**",
     "build:esm": "tsc && node build-scripts/fix-imports.js",
     "build:bundle": "rollup --config rollup.config.js -- dist/esm/index.js",
-    "build:umd": "webpack --config webpack.umd.config.cjs",
-    "build:umd:min": "terser --ecma 6 --compress --mangle -o dist/umd/index.min.js -- dist/umd/index.js && gzip -9 -c dist/umd/index.min.js > dist/umd/index.min.js.gz",
+    "build:bundle:min": "terser --ecma 11 --compress --mangle -o dist/bundle.min.js -- dist/bundle.js && gzip -9 -c dist/bundle.min.js > dist/bundle.min.js.gz",
     "size": "npm run build && size-limit",
     "fix": "run-s fix:*",
     "fix:prettier": "prettier \"src/**/*.ts\" \"./*.json\" \"*.*js\" \".github/**/*.yml\" --write",
@@ -155,7 +154,6 @@
   },
   "files": [
     "dist/esm",
-    "dist/umd",
     "src/*.ts",
     "src/lib/**/*.ts",
     "src/proto/**/*.ts",

webpack.umd.config.cjs

@@ -1,40 +0,0 @@
-const webpack = require("webpack");
-const path = require("path");
-
-module.exports = {
-  mode: "production",
-  entry: {
-    "js-waku": "./src/index.ts",
-  },
-  devtool: "inline-source-map",
-  module: {
-    rules: [
-      {
-        test: /\.ts$/,
-        use: "ts-loader",
-        exclude: /node_modules/,
-      },
-    ],
-  },
-  plugins: [
-    new webpack.ProvidePlugin({
-      process: "process/browser.js",
-      Buffer: ["buffer", "Buffer"],
-    }),
-  ],
-  resolve: {
-    extensions: [".ts", ".js"],
-    fallback: {
-      buffer: require.resolve("buffer/"),
-      crypto: false,
-      stream: require.resolve("stream-browserify"),
-    },
-  },
-  output: {
-    filename: "index.js",
-    path: path.resolve(__dirname, "dist/umd"),
-    library: "waku",
-    libraryTarget: "umd",
-    globalObject: "this",
-  },
-};