add bundle analyzer

package.json

@@ -20,6 +20,7 @@
   "scripts": {
     "prebuild": "rm -rf lib && rm -rf dist",
     "build": "yarn run build:node && yarn run build:web && yarn run build:types",
+    "bundle": "webpack --config webpack.bundle.config.js",
     "build:node": "babel --no-babelrc --config-file ./babel.config.json src --copy-files -x .ts -d dist --source-maps",
     "build:web": "babel --no-babelrc --config-file ./babel.web.config.json src --copy-files -x .ts -d lib --source-maps",
     "build:types": "tsc --declaration --outDir dist --emitDeclarationOnly",
@@ -47,6 +48,7 @@
     "@types/mocha": "^5.2.7",
     "@typescript-eslint/eslint-plugin": "^2.6.0",
     "@typescript-eslint/parser": "^2.6.0",
+    "babel-loader": "^8.1.0",
     "chai": "^4.2.0",
     "eslint": "^6.6.0",
     "karma": "^4.4.1",
@@ -60,12 +62,12 @@
     "sinon": "^8.1.0",
     "ts-loader": "^6.2.1",
     "typescript": "^3.6.4",
-    "webpack": "^4.41.5"
+    "webpack": "^4.41.5",
+    "webpack-bundle-analyzer": "^3.6.1",
+    "webpack-cli": "^3.3.11"
   },
   "dependencies": {
-    "@types/bn.js": "^4.11.6",
     "aead-js": "^0.1.0",
-    "bn.js": "^5.0.0",
     "buffer": "^5.4.3",
     "debug": "^4.1.1",
     "futoin-hkdf": "^1.3.2",
@@ -75,7 +77,7 @@
     "it-pair": "^1.0.0",
     "it-pb-rpc": "^0.1.8",
     "it-pipe": "^1.1.0",
-    "libp2p-crypto": "^0.17.1",
+    "libp2p-crypto": "^0.17.6",
     "peer-id": "^0.13.5",
     "protobufjs": "6.8.8",
     "tweetnacl": "^1.0.3"

webpack.bundle.config.js

@@ -0,0 +1,24 @@
+
+const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+
+module.exports = {
+  entry: "./src/index.ts",
+  mode: "production",
+  output: {
+    filename: "../bundle/bundle.js"
+  },
+  node: {
+    fs: "empty"
+  },
+  resolve: {
+    extensions: [".ts", ".js"],
+  },
+  module: {
+    rules: [
+      {test: /\.ts$/, exclude: [/node_modules/], use: {loader: "babel-loader", options: require("./babel.web.config")}}
+    ],
+  },
+  plugins: [
+    new BundleAnalyzerPlugin()
+  ]
+};