Coding⏱️ 2 min read📅 2026-05-31

How to Fix: ESLint: "error Parsing error: The keyword 'const' is reserved"

ESLint error parsing issue with reserved keyword 'const'

Quick Answer: Try using a different variable name or add the 'use strict' directive at the top of your file to resolve the error.

📋 Table of Contents

  1. 🛠️ Step-by-Step Verified Fixes
  2. ✨ Wrapping Up

The error "error Parsing error: The keyword 'const' is reserved" occurs because the ESLint configuration file (usually eslint.config.js) has a setting that prevents the use of the reserved keyword 'const'.

🛠️ Step-by-Step Verified Fixes

Method 1: Ignore the reserved keyword

  1. Step 1: Open your ESLint configuration file (eslint.config.js) and add the following line to ignore the 'const' keyword:

Method 2: Update ESLint version

  1. Step 1: Check your current ESLint version using the command npm ls eslint@latest. If you're using an outdated version, update to the latest version by running npm install eslint@latest --save-dev.

✨ Wrapping Up

By following these steps, you should be able to resolve the 'const' reserved keyword error in ESLint and get back to coding with confidence.

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