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Guide to Sharing ESLint Configs and Developing Custom Rules

·2019.12.05 00:00

Key point

This guide introduces how to write Shareable Configs for sharing ESLint settings via npm and the process of developing AST-based custom rules.

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Details

This guide covers how to share style guides within a team using Shareable Configs, an extension feature of ESLint, and the process of developing custom rules as needed. When sharing configurations, you must adhere to the package naming convention eslint-config-[config-name] and specify peerDependencies in package.json. Custom rule development involves traversing the AST (Abstract Syntax Tree) generated by the Parser to detect specific node types (e.g., CallExpression), and reporting errors via Report or automatically fixing code via Fixer when violations occur.

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