sickn33/agentic-awesome-skills · error · Error

Must be object

Error message

Must be object

What it means

Error "Must be object" thrown in sickn33/agentic-awesome-skills.

Source

Thrown at skills/fp-ts-pragmatic/SKILL.md:459

    O.flatMap(m => O.fromNullable(m.email))
  )

// Use it
pipe(
  getManagerEmail(employee),
  O.fold(
    () => sendToDefault(),
    (email) => sendTo(email)
  )
)
```

### Validation with Multiple Checks

```typescript
// Before: Throws on first error
function validateUser(data: unknown): User {
  if (!data || typeof data !== 'object') throw new Error('Must be object')
  const obj = data as Record<string, unknown>
  if (typeof obj.email !== 'string') throw new Error('Email required')
  if (!obj.email.includes('@')) throw new Error('Invalid email')
  if (typeof obj.age !== 'number') throw new Error('Age required')
  if (obj.age < 0) throw new Error('Age must be positive')
  return obj as User
}

// After: Returns first error, type-safe
const validateUser = (data: unknown): E.Either<string, User> =>
  pipe(
    E.Do,
    E.bind('obj', () =>
      typeof data === 'object' && data !== null
        ? E.right(data as Record<string, unknown>)
        : E.left('Must be object')
    ),
    E.bind('email', ({ obj }) =>

View on GitHub (pinned to 58d857988f)

When it happens

Trigger: Thrown at skills/fp-ts-pragmatic/SKILL.md:459 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sickn33/agentic-awesome-skills@58d857988f (2026-08-26). Data as JSON: /api/errors/bef0c35d5a3739bc. Report an issue: GitHub.