sindresorhus/type-fest

`UnionToArray` type

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#534 opened on Dec 25, 2022

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 (0 comments) (0 reactions) (0 assignees)TypeScript (12,328 stars) (471 forks)batch import
help wantedtype addition

Description

See the initial attempt and feedback in https://github.com/sindresorhus/type-fest/pull/411.

Contributor guide

Tech stack
typescript
Domain
developer experiencetooling
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
TypeScript advanced typesdistributive conditional types
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35
Research direction
Review PR #411 for the initial attempt and maintainer feedback. Examine existing type utilities in the type fest repo to understand the expected API style. The goal is to implement a `UnionToArray` type that converts a union type to an array of its members while preserving order? Investigate whether the tuple order is specified and how to handle union distribution. Check for any open questions about edge cases like empty unions.