Question 1

How do I set up eslint-plugin-vue in a new Vue 3 project?

Accepted Answer

Install eslint and eslint-plugin-vue via npm, then configure ESLint to use the plugin and a recommended rule set in your .eslintrc file. Ensure the parser is set to vue-eslint-parser for proper SFC analysis, as detailed in the documentation.

Question 2

What's the difference between eslint-plugin-vue and Vetur for Vue development?

Accepted Answer

eslint-plugin-vue is a linter that analyzes code for errors and best practices in Vue files, while Vetur is a VS Code extension that provides language features like IntelliSense and syntax highlighting. They are complementary tools; eslint-plugin-vue focuses on code quality, and Vetur on editor support.

Question 3

How can I disable a specific rule in eslint-plugin-vue?

Accepted Answer

You can disable rules in your ESLint configuration file by setting them to 'off' in the rules object, prefixed with 'vue/' for plugin-specific rules. Alternatively, use inline comments in your code to disable rules locally for specific lines or blocks.

Question 4

Is eslint-plugin-vue compatible with both Vue 2 and Vue 3?

Accepted Answer

Yes, eslint-plugin-vue supports both Vue 2 and Vue 3 with rules tailored for each version. You can specify the Vue version in your configuration to ensure the correct best practices are enforced, as mentioned in the key features.

Question 5

How to handle false positives or create custom rules for Vue templates?

Accepted Answer

For false positives, adjust rule configurations or use ESLint disable comments. To create custom rules, refer to the developer guide in the documentation, which explains how to use vue-eslint-parser's AST and parser services for template-specific linting.

Question 6

eslint-plugin-vue vs. using standard ESLint rules for Vue components?

Accepted Answer

eslint-plugin-vue provides Vue-specific rules for templates, directives, and component structure that standard ESLint can't handle. While standard rules work for JavaScript parts, this plugin is essential for comprehensive linting of Vue single-file components and enforcing Vue best practices.

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