fix webpack polyfills

apps/flow/dynamicWidget/package.json

@@ -3,8 +3,11 @@
   "dependencies": {
     "@dynamic-labs/flow": "^0.19.3",
     "@dynamic-labs/sdk-react-core": "^0.19.3",
+    "buffer": "^6.0.3",
+    "process": "^0.11.10",
     "react": "^18.2.0",
     "reactstrap": "^8.9.0",
+    "stream-browserify": "^3.0.0",
     "viem": "1.5.3"
   },
   "devDependencies": {

apps/flow/dynamicWidget/webpack.config.js

@@ -1,4 +1,5 @@
 var path = require('path');
+const webpack = require('webpack');
 
 module.exports = {
     entry: path.join(__dirname, 'srcjs', 'dynamic_button.jsx'),
@@ -22,6 +23,16 @@ module.exports = {
             }
         ]
     },
+    plugins: [
+        // Work around for Buffer is undefined:
+        // https://github.com/webpack/changelog-v5/issues/10
+        new webpack.ProvidePlugin({
+            Buffer: ['buffer', 'Buffer'],
+        }),
+        new webpack.ProvidePlugin({
+            process: 'process/browser',
+        }),
+    ],
     externals: {
         'react': 'window.React',
         'react-dom': 'window.ReactDOM',
@@ -30,5 +41,13 @@ module.exports = {
     stats: {
         colors: true
     },
-    devtool: 'source-map'
+    devtool: 'source-map',
+    resolve: {
+        extensions: [ '.ts', '.js' ],
+        fallback: {
+            "stream": require.resolve("stream-browserify"),
+            "buffer": require.resolve("buffer"),
+            "process/browser": require.resolve("process/browser"),
+        }
+    },
 };

apps/flow/dynamicWidget/yarn.lock

@@ -5388,6 +5388,11 @@ process-warning@^1.0.0:
   resolved "https://registry.yarnpkg.com/process-warning/-/process-warning-1.0.0.tgz#980a0b25dc38cd6034181be4b7726d89066b4616"
   integrity sha512-du4wfLyj4yCZq1VupnVSZmRsPJsNuxoDQFdCFHLaYiEbFBD7QE0a+I4D7hOxrVnh78QE/YipFAj9lXHiXocV+Q==
 
+process@^0.11.10:
+  version "0.11.10"
+  resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
+  integrity sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==
+
 prop-types@^15.5.8, prop-types@^15.6.1, prop-types@^15.6.2:
   version "15.8.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.8.1.tgz#67d87bf1a694f48435cf332c24af10214a3140b5"