whatiskadudoing

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Product types, sum types, semigroups, monoids, Eq, Ord, and building custom type class instances for domain modeling in TypeScript.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Practical async patterns using TaskEither - clean pipelines instead of try/catch hell, with real API examples.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Functional programming patterns for Node.js/Deno backend development using fp-ts, ReaderTaskEither, and functional dependency injection.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Practical patterns for composing functions in TypeScript using pipe, flow, and functional design principles.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Everyday data transformations using functional patterns - arrays, objects, grouping, aggregation, and null-safe access.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Master Do notation in fp-ts to write readable, sequential functional code without callback hell. Covers bind, apS, let, bindTo and real-world patterns.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Stop throwing everywhere - handle errors as values using Either and TaskEither for cleaner, more predictable code.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Core FP concepts including pure functions, currying, composition, and pointfree style - the foundation for mastering functional TypeScript.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Practical immutability patterns in TypeScript - spread operators, nested updates, readonly types, and when mutation is actually fine.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Functional error handling and nullable value management using fp-ts Option and Either types.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Master function composition in fp-ts using pipe and flow for building elegant, type-safe data transformation pipelines.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

A practical, jargon-free guide to functional programming - the 80/20 approach that gets results without the academic overhead.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Works with React 18/19, Next.js 14/15.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Comprehensive guide for refactoring imperative TypeScript code to fp-ts functional patterns.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Master functional approaches to side effects including IO types, effect isolation, idempotent operations, and quarantining impure code - essential patterns for reliable TypeScript applications.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Functional async patterns using TaskEither for type-safe error handling in TypeScript.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Validation patterns using fp-ts with error accumulation, form validation, and API input validation.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Quick reference for Either type. Use when user needs error handling, validation, or operations that can fail with typed errors.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Quick reference for Option type. Use when user needs to handle nullable values, optional data, or wants to avoid null checks.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Quick reference for pipe and flow. Use when user needs to chain functions, compose operations, or build data pipelines in fp-ts.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Quick reference for TaskEither. Use when user needs async error handling, API calls, or Promise-based operations that can fail.

whatiskadudoing/fp-ts-skills

Skill Claude CodeCodex

Quick reference for fp-ts types. Use when user asks which type to use, needs Option/Either/Task decision help, or wants fp-ts imports.