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The `no-undefined` rule is outdated for modern JavaScript development. Since ES5+, `undefined` is read-only in the global scope, making the rule's original purpose (preventing shadowing) unnecessary. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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Pull request overview
This PR removes the outdated no-undefined ESLint rule from the default configuration. The rule is no longer necessary for modern JavaScript since ES5+ made undefined read-only in the global scope, eliminating concerns about shadowing.
Key Changes:
- Removed the
no-undefinedESLint rule configuration
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Summary
no-undefinedESLint rule from the default configurationThe rule is outdated for modern JavaScript development. Since ES5+,
undefinedis read-only in the global scope, making the rule's original purpose (preventing shadowing) unnecessary. Usingundefineddirectly is more readable than alternatives likevoid 0.Test plan
🤖 Generated with Claude Code