Set up a rule `TrailingComma` for our code

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571 stars (571 stars)

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Description

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Contributor guide

Research direction

Examine existing rules in diktat (e.g., files in `diktat rules` directory) to understand the pattern for adding a new rule. Look at Kotlin coding conventions for trailing commas. Implement the rule logic and add tests.

Tech stack

kotlin

Domain

tooling

Issue type

Feature

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

2

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.

Active

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

Needs investigation

Prerequisites

GitKotlindiktat codebase structure

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

65