Enforce `.replaceAll()` over `.split().join()` in `prefer-string-replace-all` rule

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Description

foo.split('a').join('b');

foo.replaceAll('a', 'b');

// Not sure about this, maybe add `g` flag, result the same?
foo.split(/a+/).join('b');

// Different with foo.replaceAll('', 'b');
foo.split('').join('b');

Contributor guide

Research direction

Study the existing `prefer string replace all` rule implementation and add logic to detect `.split().join()` patterns and suggest `.replaceAll()`.

Tech stack

javascript

Domain

tooling

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.

Half day

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.

Mostly clear

Prerequisites

JavaScriptESLint

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

60