import-js/eslint-plugin-import

Rule Proposal: No duplicate re-exports (no-duplicate-reexport)

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#773 创建于 2017年3月22日

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 (5 评论) (1 反应) (0 负责人)JavaScript (4,946 star) (1,540 fork)batch import
help wantedrule proposal

描述

With such a rule, the following would be considered a problem

export {a} from './source-file'
export {b} from './source-file'
export {c} from './source-file'

The following would not be considered a problem

export {a, b, c} from './source-file'

贡献者指南

技术栈
javascriptnodejs
领域
tooling
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
half day
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
fresh
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
basic JavaScriptESLint rule development
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
70
研究方向
Review existing ESLint rules in the repository (e.g., in `src/rules/`) to understand the pattern for defining a rule with a `create` function that returns visitors. Use the ESLint AST to detect `ExportNamedDeclaration` nodes with a `source` property, and aggregate exports by source to flag duplicates. Check the issue comments for any discussed edge cases or preferred API. No linked PRs exist, so implement the rule from scratch, ensuring it handles both single and multiple exports from the same source file.