Foundation package for Trailhead System - CoreError interface, Result types, and functional programming utilities
npm install @trailhead/core> Foundation package providing unified Result types, enhanced error handling, and performance-optimized utilities



Foundation package for the Trailhead ecosystem providing unified Result types, enhanced error handling, and performance-optimized type guards.
``bash`
npm install @trailhead/core
`typescript
import { ok, err, type Result } from '@trailhead/core'
const divide = (a: number, b: number): Result
if (b === 0) {
return err(new Error('Division by zero'))
}
return ok(a / b)
}
const result = divide(10, 2)
if (result.isOk()) {
console.log('Result:', result.value) // 5
} else {
console.error('Error:', result.error.message)
}
``
- Unified Result types - Single source of truth for Result operations across the ecosystem
- Enhanced error context - Rich debugging with operation context, timestamps, and severity
- Performance-optimized type guards - Zero-overhead validation for critical paths
- Functional utilities - Composition helpers and Result-based patterns
- API Documentation - Complete API reference
MIT © esteban-url