Add `Passthrough` type

Repository metrics

Stars

12,328 stars (12,328 stars)

PR merge metrics

Avg merge 3d 5h (Avg merge 3d 5h)11 merged PRs in 30d (11 merged PRs in 30d)

Description

Contributor guide

Research direction

Review the linked PR #188 to understand the proposed Passthrough type and implement it following the existing type patterns in the repository.

Tech stack

typescript

Domain

developer experience

Issue type

Feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

1

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Under 1 hour

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

TypeScript

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

85