js script to switch repo to dev/prod mode

switch.js

@@ -0,0 +1,52 @@
+const fs = require("fs");
+const { execSync } = require("child_process");
+
+function switchToDevMode() {
+  console.log("Switching to dev mode...");
+
+  execSync("cd ./example/next && git checkout dev", { stdio: "inherit" });
+  execSync("rm -rf ./example/next/node_modules", { stdio: "inherit" });
+  execSync("yarn --cwd ./example/next", { stdio: "inherit" });
+  execSync("yarn dev:next", { stdio: "inherit" });
+}
+
+function switchToProdMode() {
+  console.log("Switching to prod mode...");
+
+  execSync("cd ./example/next && git checkout main", { stdio: "inherit" });
+  execSync("yarn --cwd ./example/next", { stdio: "inherit" });
+  execSync("yarn --cwd ./example/next dev", { stdio: "inherit" });
+}
+
+function checkErrors() {
+  const errors = [];
+
+  const arg = process.argv[2];
+  const isInvalidArg = !arg || (arg && arg !== "dev" && arg !== "prod");
+  if (isInvalidArg)
+    errors.push("Invalid argument. Please use 'dev' or 'prod'.");
+
+  const dirOrFileCheckList = ["./example/next/package.json"];
+  dirOrFileCheckList.forEach((dirOrFile) => {
+    if (!fs.existsSync(dirOrFile)) errors.push(`${dirOrFile} not found`);
+  });
+
+  if (errors.length) {
+    errors.forEach((error) => console.error(error));
+    process.exit(1);
+  }
+}
+
+function init() {
+  checkErrors();
+
+  const arg = process.argv[2];
+  if (arg === "dev") switchToDevMode();
+  else if (arg === "prod") switchToProdMode();
+  else {
+    console.log("No mode specified. Using default mode (dev).");
+    switchToDevMode();
+  }
+}
+
+init();