adding dependencies for react-router-dom

package.json

@@ -5,7 +5,8 @@
   "dependencies": {
     "@oracle/oraclejet": "~16.0.0",
     "@oracle/oraclejet-core-pack": "~16.0.0",
-    "@oracle/oraclejet-preact": "~16.0.0"
+    "@oracle/oraclejet-preact": "~16.0.0",
+    "react-router-dom": "^6.22.3"
   },
   "devDependencies": {
     "@oracle/ojet-cli": "~16.0.0",

path_mapping.json

@@ -380,6 +380,39 @@
         "path": "libs/chai/chai.js",
         "cdnPath": "chai/chai-4.3.10.min"
       }
+    },
+    "react-router-dom": {
+      "cwd": "node_modules/react-router-dom/dist/umd",
+      "debug": {
+        "src": "react-router-dom.development.js",
+        "path": "libs/react-router-dom/react-router-dom.development.js"
+      },
+      "release": {
+        "src": "react-router-dom.production.min.js",
+        "path": "libs/react-router-dom/react-router-dom.production.min.js"
+      }
+    },
+    "react-router": {
+      "cwd": "node_modules/react-router/dist/umd",
+      "debug": {
+        "src": "react-router.development.js",
+        "path": "libs/react-router/react-router.development.js"
+      },
+      "release": {
+        "src": "react-router.production.min.js",
+        "path": "libs/react-router/react-router.production.min.js"
+      }
+    },
+    "@remix-run/router": {
+      "cwd": "node_modules/@remix-run/router/dist",
+      "debug": {
+        "src": "router.umd.js",
+        "path": "libs/router/router.umd.js"
+      },
+      "release": {
+        "src": "router.umd.min.js",
+        "path": "libs/router/router.umd.min.js"
+      }
     }
   }
 }

scripts/hooks/before_optimize.js

@@ -5,11 +5,24 @@
 
 */
 
-'use strict';
+"use strict";
 
 module.exports = function (configObj) {
   return new Promise((resolve, reject) => {
-  	console.log("Running before_optimize hook.");
-  	resolve(configObj);
+    console.log("Patching optimizer paths for react-router");
+    configObj.requireJs.paths["react-router"] = "empty:";
+    configObj.requireJs.paths["react-router-dom"] = "empty:";
+    configObj.requireJs.paths["@remix-run"] = "empty:";
+
+    console.log("Patching re-mapping for react-compat");
+    configObj.requireJs.map = {
+      "*": {
+        react: "preact/compat",
+        "react-dom": "preact/compat",
+      },
+    };
+
+    console.log("Running before_optimize hook.");
+    resolve(configObj);
   });
 };