Custom ESLint Developer FAQs

Question 1

Does this skill cover publishing plugins?

Accepted Answer

Yes, it includes guidance on organizing your project structure for npm and publishing your custom rules as a shareable ESLint plugin for team-wide use.

Question 2

How can I test my custom ESLint rules effectively?

Accepted Answer

The skill provides patterns for using ESLint's built-in RuleTester utility, allowing you to define 'valid' and 'invalid' code snippets to ensure your rules trigger correctly without false positives.

Question 3

Is this skill compatible with TypeScript?

Accepted Answer

Yes, it covers general ESLint development principles that apply to both JavaScript and TypeScript environments, including integration with @typescript-eslint/utils.

Question 4

Can I use this skill to optimize existing linting performance?

Accepted Answer

Absolutely. It covers performance tuning, profiling, and resource management to ensure that complex custom rules don't slow down your development workflow or CI/CD pipelines.

Question 5

What is AST traversal in the context of ESLint?

Accepted Answer

AST (Abstract Syntax Tree) traversal is the process of navigating the tree structure representing your source code. This skill helps you identify specific code patterns by targeting nodes like VariableDeclarations or FunctionExpressions.

Custom ESLint Developer

Key Features

Use Cases

Custom ESLint Developer

Key Features

Use Cases