ts-pattern

The exhaustive Pattern Matching library for TypeScript.

v5.9.0 URL: https://unpkg.com/ts-pattern@5.9.0/dist/index.umd.js

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pattern matching pattern-matching typescript match-with match switch adt

@nll/datum

ADT for handling fetchable and refreshable data

v3.5.0 URL: https://unpkg.com/@nll/datum@3.5.0/index.js

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fp-ts adt AsyncData

ts-union

ADT (sum type) in typescript inspired by ML language family

v2.3.0 URL: https://unpkg.com/ts-union@2.3.0/dist-node/index.js

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adt typescript sum-types

tsoption

Correct, easy to use Option type for TypeScript

v0.7.0 URL: https://unpkg.com/tsoption@0.7.0/index.js

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@unsplash/sum-types

Safe, ergonomic, non-generic sum types in TypeScript.

v1.0.1 URL: https://unpkg.com/@unsplash/sum-types@1.0.1/dist/cjs/index.js

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functional-programming typescript adt tagged pattern matching