Web Reference: Dec 16, 2021 · I've been using n to install node for years with no issues. Now on my Big Sur mac, I updated from v14.17.6 to v16. This updated without incident and node -v shows "16.13.1". However afterwards, any npm command I run immediately errors with this: TypeError: Class extends value undefined is not a constructor or null . Jan 16, 2026 · In this blog, we’ll demystify this error, explore how circular dependencies trigger it in the context of class inheritance and relationships, and walk through actionable solutions to fix and prevent it. By the end, you’ll be equipped to resolve this issue and write more robust, maintainable code. Nov 15, 2025 · This error typically arises due to conflicts between npm versions, corrupted caches, leftover files from previous installations, or permission issues specific to macOS. In this guide, we’ll break down why this error occurs and walk through a step-by-step solution to resolve it, ensuring your Node.js and npm setup works seamlessly.
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Nodejs Typeerror Class Extends Value Net Worth 2026: Salary, Income & Wealth Net Worth & Biography

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Last Updated: April 10, 2026
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