| /** |
| * @fileoverview Prevent variables used in JSX to be marked as unused |
| * @author Yannick Croissant |
| */ |
| |
| 'use strict'; |
| |
| const docsUrl = require('../util/docsUrl'); |
| |
| // ------------------------------------------------------------------------------ |
| // Rule Definition |
| // ------------------------------------------------------------------------------ |
| |
| module.exports = { |
| meta: { |
| docs: { |
| description: 'Prevent variables used in JSX to be marked as unused', |
| category: 'Best Practices', |
| recommended: true, |
| url: docsUrl('jsx-uses-vars') |
| }, |
| schema: [] |
| }, |
| |
| create(context) { |
| return { |
| JSXOpeningElement(node) { |
| let name; |
| if (node.name.namespace && node.name.namespace.name) { |
| // <Foo:Bar> |
| name = node.name.namespace.name; |
| } else if (node.name.name) { |
| // <Foo> |
| name = node.name.name; |
| } else if (node.name.object) { |
| // <Foo...Bar> |
| let parent = node.name.object; |
| while (parent.object) { |
| parent = parent.object; |
| } |
| name = parent.name; |
| } else { |
| return; |
| } |
| |
| context.markVariableAsUsed(name); |
| } |
| |
| }; |
| } |
| }; |