How to Fix: Line 0: Parsing error: Cannot read property 'map' of undefined

Method 1: Configuring ESLint Correctly

1. Step 1: Check your ESLint configuration file (usually .eslintrc.json) and ensure that the TypeScript settings are properly configured.

Method 2: Enabling Optional Parser

1. Step 1: Update your ESLint configuration to enable the optional parser for JavaScript files by adding the following line:

Method 3: Ignoring the Error

1. Step 1: If none of the above methods work, you can ignore this error by adding the following line to your ESLint configuration file:

🎯 Final Words

By following these steps, you should be able to resolve the 'Line 0: Parsing error: Cannot read property 'map' of undefined' issue in your TypeScript, ReactJS, and ESLint setup.