sindresorhus/decamelize-keys

Nested type are not decamelized with deep: true

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#7 opened on Mar 30, 2023

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bughelp wanted

Description

Typescript types are not decamelized when using deep: true option, even though the value is.

image

Reproducible example: https://stackblitz.com/edit/typescript-xhz4tl?file=index.ts

(thanks for the lib)

Contributor guide

Tech stack
typescript
Domain
developer experience
Issue type
bug
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.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
TypeScriptrecursive type definitions
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55
Research direction
The issue reports that nested TypeScript types are not decamelized when using `deep: true`. The fix likely involves updating the type definitions to correctly handle recursive nested objects. Reference the provided StackBlitz example (https://stackblitz.com/edit/typescript xhz4tl?file=index.ts) and the current type definitions in the repository (likely in index.d.ts). The type for the `deep` option should ensure that nested object keys are also transformed recursively.