feat: Enhance monorepo with cross-platform utilities and advanced ESLint rules#2
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- Add .worktrees/ to ESLint ignore patterns for git worktree support - Disable base no-unused-vars in favor of @typescript-eslint/no-unused-vars - Remove unnecessary eslint-disable comments in common.ts - Add explicit rootDir to tsconfig.base.json for better path resolution 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Update package.json build scripts to use tsc --build - Configure TypeScript composite projects in tsconfig.json files - Add tsBuildInfoFile to each package for incremental builds - Update typecheck to use tsc --build --dry --force - Update clean to use tsc --build --clean - Fix ESLint ignore patterns to use **/dist/** for nested directories - Update vibe-validate to 0.18.2 Benefits: - Packages build in dependency order automatically - Incremental builds (only rebuilds what changed) - Better type checking across package boundaries - Single command builds everything correctly 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Add missing rules from vibe-agent-toolkit for better code quality:
TypeScript rules:
- @typescript-eslint/no-redundant-type-constituents: Prevent redundant type unions
- @typescript-eslint/prefer-function-type: Prefer function types over interfaces with call signatures
Unicorn rules:
- unicorn/prefer-number-properties: Use Number.isNaN() instead of isNaN()
- unicorn/no-negated-condition: Prefer positive conditions for readability
- unicorn/prefer-export-from: Simplify re-exports (export {x} from 'y')
- unicorn/prefer-structured-clone: Use structuredClone() over custom implementations
- unicorn/no-zero-fractions: Disallow 1.0 in favor of 1
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Enforce ESM import syntax over CommonJS require(): - Prevents mixing module systems - Ensures consistent ESM usage across the codebase - Aligns with moduleResolution: "NodeNext" in tsconfig This rule helps maintain modern JavaScript/TypeScript practices and prevents accidental use of CommonJS in ESM projects. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Add 'max-params': ['error', 7] rule to catch functions with too many parameters during development (before SonarQube). Matches SonarQube's threshold of 7 parameters max. Discovered in vibe-agent-toolkit when a test helper had 8 parameters and triggered a SonarQube code smell. This rule ensures similar issues are caught early by ESLint.
Add comprehensive cross-platform utilities for handling Windows 8.3 short path names (RUNNER~1) that cause test failures on Windows CI, along with custom ESLint rules to automatically enforce their usage. **New Utilities (packages/example-utils/src/):** - path-utils.ts: normalizePath(), normalizedTmpdir(), mkdirSyncReal(), isAbsolutePath(), toAbsolutePath(), getRelativePath(), toForwardSlash() - test-helpers.ts: getTestOutputDir(), getTestOutputBase() **New ESLint Rules (packages/dev-tools/eslint-local-rules/):** - no-os-tmpdir: Enforces normalizedTmpdir() instead of os.tmpdir() - no-fs-mkdirSync: Enforces mkdirSyncReal() instead of fs.mkdirSync() - no-fs-realpathSync: Enforces normalizePath() instead of fs.realpathSync() - no-unix-shell-commands: Prevents Unix-specific commands (tar, grep, ls, etc.) - no-command-direct-factory.cjs: Shared factory for command execution rules **Tests & Coverage:** - Comprehensive test suite for path-utils (path-utils.test.ts) - Platform-specific tests skip on non-matching platforms (Windows/Unix) - Excluded test-helpers.ts from coverage (test utilities) **Documentation (Progressive Disclosure):** - Detailed API docs in packages/example-utils/README.md - Brief overview in CLAUDE.md with link to README - Explains Windows 8.3 short path problem and solutions **ESLint Configuration:** - Enabled all 4 new cross-platform rules in eslint.config.js - Rules provide clear error messages with alternatives All validation passes: build, typecheck, lint (zero warnings), duplication check (zero duplicates), tests (100% passing), coverage (>80%). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
…ctory Extract helper functions to reduce cognitive complexity from 18 to 6-8: - checkShellFreeExecution(): Handle safeExecSync, spawn, etc. - checkExecSyncExecution(): Handle execSync calls - isShellFreeExecution(): Predicate to check function names - Add early return for empty arguments This refactoring eliminates SonarQube code smell while maintaining the same functionality.
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #2 +/- ##
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- Coverage 100.00% 85.54% -14.46%
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Files 1 2 +1
Lines 15 83 +68
Branches 7 27 +20
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+ Hits 15 71 +56
- Misses 0 12 +12
🚀 New features to boost your workflow:
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…platform guide - Fix toAbsolutePath test to handle platform-specific path separators - Update JSDoc to clarify platform behavior and provide usage examples - Add CROSS_PLATFORM_EXAMPLE.md with comprehensive guide demonstrating: * The Windows 8.3 short path problem * How to use each utility function * Real-world examples and use cases * ESLint enforcement explanation * Complete test suite example The test was failing on Windows because toAbsolutePath() returns platform-specific separators (\\ on Windows, / on Unix). Updated test to verify the path is absolute and contains expected components rather than exact string match. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
This PR significantly enhances the TypeScript monorepo template with cross-platform compatibility utilities and advanced ESLint rules designed for agentic development workflows.
Key Features
🛠️ Cross-Platform Path Utilities
path-utils.tsinexample-utilspackage with Windows 8.3 short path resolutionnormalizedTmpdir()- Resolves Windows RUNNER~1 style pathsmkdirSyncReal()- Creates directories with real path resolutionnormalizePath()- Cross-platform path normalization usingrealpathSync.native()getTestOutputDir()for isolated test environments🔒 Custom ESLint Rules for Agentic Code Safety
Five new custom ESLint rules to prevent AI from reintroducing dangerous patterns:
no-os-tmpdir- EnforcesnormalizedTmpdir()overos.tmpdir()no-fs-mkdirSync- EnforcesmkdirSyncReal()for proper path handlingno-fs-realpathSync- EnforcesnormalizePath()for consistent resolutionno-unix-shell-commands- Prevents Unix-specific commands (tar, ls, grep, etc.)no-command-direct-factory- Factory pattern for creating ESLint rules with auto-fix📚 Enhanced TypeScript Configuration
tsc --buildnoPropertyAccessFromIndexSignature: truefor stricter type safety✨ Additional ESLint Rules
@typescript-eslint/no-require-imports- Enforce ES modules@typescript-eslint/max-params(4 max) - Reduce function complexity📖 Documentation Updates
Why This Matters
For Agentic Development: When working with AI code generation (Claude, Cursor, Copilot), these custom ESLint rules act as automatic guardrails that catch dangerous patterns immediately, preventing security vulnerabilities and cross-platform issues from being reintroduced.
Pattern: Identify dangerous code → Create ESLint rule → Never repeat the mistake
Testing
Files Changed
path-utils.ts,test-helpers.ts, 5 ESLint rulesCLAUDE.md,example-utils/README.md🤖 Generated with Claude Code
Co-Authored-By: Claude Sonnet 4.5 noreply@anthropic.com