/** * @fileoverview Prevent variables used in JSX to be marked as unused * @author Yannick Croissant */ 'use strict'; const docsUrl = require('../util/docsUrl'); // ------------------------------------------------------------------------------ // Rule Definition // ------------------------------------------------------------------------------ const isTagNameRe = /^[a-z]/; const isTagName = (name) => isTagNameRe.test(name); 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) { // return; } if (node.name.name) { // name = node.name.name; // Exclude lowercase tag names like
if (isTagName(name)) { return; } } else if (node.name.object) { // let parent = node.name.object; while (parent.object) { parent = parent.object; } name = parent.name; } else { return; } context.markVariableAsUsed(name); }, }; }, };