Why am I encountering a SyntaxError with the message "Unexpected string: re" and "use strict" when attempting to run firebase emulators on a newly installed system?

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This error is most likely caused by a missing or outdated version of the Node.js runtime environment on your system. The "use strict" syntax is a feature of ECMAScript 5, which is not fully supported in older versions of Node.js.

To resolve this issue, ensure you have installed the latest stable version of Node.js on your system. You can check your Node.js version by running the command node -v in your terminal or command prompt.

If you are still encountering the error after updating Node.js, try reinstalling the Firebase CLI and all dependencies with the command npm install -g firebase-tools. This command will update your global installation of the Firebase CLI and ensure all dependencies are up to date.