Alternatives and similar repositories for optionals:

Users that are interested in optionals are comparing it to the libraries listed below

• richardscarrott / ok-computer
  λ "Functions all the way down" data validation for JavaScript and TypeScript.
  ☆79Updated 2 years ago
• suchipi / safety-match
  Rust-style pattern matching for TypeScript
  ☆195Updated 10 months ago
• shuckster / match-iz
  A tiny pattern-matching library in the style of the TC39 proposal.
  ☆153Updated this week
• traverse1984 / oxide.ts
  Rust's Option<T> and Result<T, E>, implemented for TypeScript.
  ☆530Updated last year
• badrap / valita
  A typesafe validation & parsing library for TypeScript.
  ☆403Updated 3 weeks ago
• dilan-dio4 / strz
  💪 Very strongly typed string functions in TypeScript
  ☆119Updated last year
• tc39 / proposal-extractors
  Extractors for ECMAScript
  ☆242Updated 3 months ago
• solidjs / signals
  ☆152Updated this week
• sinclairzx81 / typebox-codegen
  Code Generation for TypeBox Types
  ☆149Updated 4 months ago
• Effect-TS / match
  Functional pattern matching with the full power of TypeScript
  ☆181Updated last year
• ariesclark / tanu.js
  An oversimplification of the TypeScript Compiler API for defining and generating source files.
  ☆135Updated 7 months ago
• denoland / deno_graph
  The module graph logic for Deno CLI
  ☆118Updated last week
• moonrepo / espresso
  Next-generation JavaScript package registry, package manager, and toolchain.
  ☆164Updated last year
• privatenumber / type-flag
  ⛳️ Typed command-line arguments parser for Node.js
  ☆170Updated 6 months ago
• dprint / dprint-plugin-typescript
  TypeScript and JavaScript code formatting plugin for dprint.
  ☆262Updated last month
• badrap / result
  A TypeScript result type taking cues from Rust's Result and Haskell's Either types
  ☆293Updated 8 months ago
• dprint / dprint-plugin-prettier
  Prettier wrapper plugin for dprint.
  ☆99Updated this week
• fabiospampinato / flimsy
  A single-file <1kb min+gzip simplified implementation of the reactive core of Solid, optimized for clean code.
  ☆189Updated 11 months ago
• GoogleFeud / ts-runtime-checks
  A typescript transformer that automatically generates validation code from your types.
  ☆345Updated this week
• sinclairzx81 / parsebox
  Parser Combinators in the TypeScript Type System
  ☆61Updated last month
• drizzer14 / fnts
  λ Minimal Functional Programming Utilities for TypeScript & JavaScript
  ☆81Updated 3 months ago
• jasonkuhrt / alge
  Type safe library for creating Algebraic Data Types (ADTs) in TypeScript. 🌱
  ☆118Updated this week
• didavid61202 / type-level-regexp
  🔤🔍 Type-level RegExp, parse and match string in TypeScript type system.
  ☆113Updated last year
• rimbu-org / rimbu
  Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.
  ☆133Updated 3 weeks ago
• Schniz / cmd-ts
  💻 A type-driven command line argument parser
  ☆248Updated this week
• neuledge / computed-types
  🦩 Joi like validations for TypeScript
  ☆363Updated 7 months ago
• scalarhq / nominal
  🔒 The new way to do types in typescript.
  ☆262Updated last year
• solidjs / solid-testing-library
  Simple and complete Solid testing utilities that encourage good testing practices.
  ☆202Updated 4 months ago
• dudykr / public-stc
  The fastest TypeScript type checker in the world
  ☆293Updated 2 years ago