tsentials-maybe

Represent optional values safely with the Maybe<T> container.

49|Updated May 12, 2026
One-click install
npx skills add https://github.com/senrecep/tsentials --skill tsentials-maybe
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: tsentials-maybe
Source: https://github.com/senrecep/tsentials/tree/main/.well-known/agent-skills/tsentials-maybe
Command: npx skills add https://github.com/senrecep/tsentials --skill tsentials-maybe

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It removes ambiguity and null-reference risk by making optional values explicit and providing consistent ways to create, transform, and consume them without manual if/else branching.

Core Features & Use Cases

  • Explicit optionality with pattern-friendly access: Uses Maybe<T> with a hasValue discriminant and consumption via match/switch to cleanly handle Some vs None.
  • Fluent transformation pipeline: Supports map, bind (flatMap), filter, flatten, and side-effect hooks like tap/tapNone for readable “railway” flows.
  • Conditional and fallback composition: Provides mapIf/bindIf plus or/orElse and extraction methods like getOrDefault/getOrElse/getOrThrow to implement robust defaulting and error surfacing.
  • Async-safe optional pipelines: Offers mapAsync, bindAsync, filterAsync, tapAsync, matchAsync, and orAsync so optional logic stays correct across async boundaries.
  • Collection helpers for option search: Includes tryFirst, tryLast, tryFind, choose, and asMaybe to safely select and unwrap values from arrays of data.

Quick Start

Use the tsentials-maybe skill to convert a nullable field into Maybe and then map it into a safe display string using Maybe.match.

Frequently Asked Questions about tsentials-maybe

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I handle optional values in TypeScript without null check errors?▼

Optional values are handled by wrapping them in a Maybe<T> container, which makes missing data explicit and prevents null or undefined failures without manual if/else branching.

What's the best way to chain transformations on nullable fields in TypeScript?▼

Nullable fields are transformed using fluent pipeline methods like map, bind, and filter, enabling safe railway-oriented programming where operations skip automatically if the value is missing.

How do I manage optional values across async boundaries in TypeScript?▼

Optional values are managed across async boundaries using async-safe pipeline methods like mapAsync, bindAsync, and matchAsync, ensuring optional logic remains correct when dealing with Promises.

How can I safely extract a value from an array that might not exist?▼

Values are extracted safely from arrays using collection helpers like tryFirst, tryLast, and tryFind, which return a Maybe container instead of undefined to handle missing elements.

Does this approach to optional values support fallback defaults and error throwing?▼

Default and error logic is supported through fallback composition methods like or, orElse, getOrDefault, and getOrThrow, allowing robust defaulting or explicit error surfacing for missing values.

How do I consume a Maybe optional value after completing a transformation pipeline?▼

A Maybe value is consumed using pattern-matching methods like match or switch, which cleanly separate Some and None cases to execute specific logic based on whether the value exists.