Files
flights_web_raw/ClientApp/node_modules/eslint-plugin-react/lib/rules/jsx-uses-vars.js
T
gnezim 0a5ab058a6 Initial commit: Aeroflot Flights Web - Angular 12 baseline
- Angular 12 application with PrimeNG components
- 5 existing Cypress e2e test suites
- SCSS styling with BEM naming convention
- i18n support (10 languages)
- Leaflet map integration
- Complete component hierarchy and routing structure

This baseline will be used for Angular → React migration.
2026-04-05 18:47:57 +03:00

63 lines
1.6 KiB
JavaScript

/**
* @fileoverview Prevent variables used in JSX to be marked as unused
* @author Yannick Croissant
*/
'use strict';
const docsUrl = require('../util/docsUrl');
const markVariableAsUsed = require('../util/eslint').markVariableAsUsed;
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
const isTagNameRe = /^[a-z]/;
const isTagName = (name) => isTagNameRe.test(name);
/** @type {import('eslint').Rule.RuleModule} */
module.exports = {
// eslint-disable-next-line eslint-plugin/prefer-message-ids -- https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/issues/292
meta: {
docs: {
description: 'Disallow variables used in JSX to be incorrectly 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) {
// <Foo:Bar>
return;
}
if (node.name.name) {
// <Foo>
name = node.name.name;
// Exclude lowercase tag names like <div>
if (isTagName(name)) {
return;
}
} else if (node.name.object) {
// <Foo...Bar>
let parent = node.name.object;
while (parent.object) {
parent = parent.object;
}
name = parent.name;
} else {
return;
}
markVariableAsUsed(name, node, context);
},
};
},
};