Add UMD Module

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "rm -rf ./build && tsc",
-    "lint": "eslint --max-warnings 0 \"./src/**/*.ts\""
+    "lint": "eslint --max-warnings 0 \"./src/**/*.ts\"",
+    "webpack": "npx webpack"
   },
   "bin": "src/cli/bin/cli",
   "repository": {
@@ -34,21 +35,23 @@
   "homepage": "https://github.com/CosmWasm/CosmWasmJS#readme",
   "dependencies": {
     "@cosmjs/amino": "0.28.0-rc1",
+    "@cosmjs/cli": "0.28.0-rc1",
     "@cosmjs/cosmwasm-stargate": "0.28.0-rc1",
     "@cosmjs/crypto": "0.28.0-rc1",
     "@cosmjs/encoding": "0.28.0-rc1",
     "@cosmjs/faucet-client": "0.28.0-rc1",
     "@cosmjs/ledger-amino": "0.28.0-rc1",
+    "@cosmjs/math": "0.28.0-rc1",
     "@cosmjs/proto-signing": "0.28.0-rc1",
     "@cosmjs/stargate": "0.28.0-rc1",
-    "@cosmjs/cli": "0.28.0-rc1",
-    "@cosmjs/math": "0.28.0-rc1",
-    "@cosmjs/utils": "0.28.0-rc1"
+    "@cosmjs/utils": "0.28.0-rc1",
+    "bufferutil": "^4.0.6"
   },
   "devDependencies": {
     "@types/ledgerhq__hw-transport": "^4.21.4",
     "@typescript-eslint/eslint-plugin": "^5.11.0",
     "@typescript-eslint/parser": "^5.11.0",
+    "buffer": "^6.0.3",
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-config-standard": "^16.0.3",
@@ -57,7 +60,15 @@
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-promise": "^5.2.0",
     "eslint-plugin-simple-import-sort": "^7.0.0",
+    "path-browserify": "^1.0.1",
     "prettier": "^2.5.1",
-    "typescript": "^4.5.5"
+    "process": "^0.11.10",
+    "stream-browserify": "^3.0.0",
+    "ts-loader": "^9.2.7",
+    "tsconfig-paths-webpack-plugin": "^3.5.2",
+    "typescript": "^4.5.5",
+    "utf-8-validate": "^5.0.8",
+    "webpack": "^5.70.0",
+    "webpack-cli": "^4.9.2"
   }
 }

tsconfig.json

@@ -5,7 +5,11 @@
     "declaration": true,
     "outDir": "./build",
     "strict": true,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "baseUrl": "./",
+    "paths": {
+      "*": ["src/*"]
+    }
   },
   "include": ["src"],
   "exclude": ["node_modules", "**/__tests__/*"]

webpack.config.js

@@ -0,0 +1,66 @@
+const webpack = require("webpack");
+const TsconfigPathsPlugin = require("tsconfig-paths-webpack-plugin");
+// const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+
+const commonConfig = {
+  mode: "production",
+  entry: "./src/index.ts",
+  devtool: "source-map",
+  module: {
+    rules: [
+      {
+        test: /\.tsx?$/,
+        use: "ts-loader",
+        exclude: /node_modules/,
+      },
+    ],
+  },
+  resolve: {
+    extensions: [".tsx", ".ts", ".js"],
+    plugins: [new TsconfigPathsPlugin()],
+  },
+  plugins: [
+    new webpack.IgnorePlugin({
+      resourceRegExp:
+        /wordlists\/(french|spanish|italian|korean|chinese_simplified|chinese_traditional|japanese)\.json$/,
+    }),
+  ],
+};
+
+const webConfig = {
+  ...commonConfig,
+  target: "web",
+  output: {
+    filename: "bundle.js",
+    libraryTarget: "umd",
+    library: "CosmWasmJS",
+  },
+  resolve: {
+    ...commonConfig.resolve,
+    fallback: {
+      stream: require.resolve("stream-browserify"),
+      buffer: require.resolve("buffer"),
+      path: require.resolve("path-browserify"),
+    },
+  },
+  plugins: [
+    ...commonConfig.plugins,
+    new webpack.ProvidePlugin({
+      Buffer: ["buffer", "Buffer"],
+    }),
+    new webpack.ProvidePlugin({
+      process: "process/browser",
+    }),
+  ],
+};
+
+const nodeConfig = {
+  ...commonConfig,
+  target: "node",
+  output: {
+    libraryTarget: "commonjs",
+    filename: "bundle.node.js",
+  },
+};
+
+module.exports = [webConfig, nodeConfig];