/** * @fileoverview Report "this" being used in stateless functional components. */ 'use strict'; const Components = require('../util/Components'); const docsUrl = require('../util/docsUrl'); const report = require('../util/report'); // ------------------------------------------------------------------------------ // Rule Definition // ------------------------------------------------------------------------------ const messages = { noThisInSFC: 'Stateless functional components should not use `this`', }; module.exports = { meta: { docs: { description: 'Report "this" being used in stateless components', category: 'Possible Errors', recommended: false, url: docsUrl('no-this-in-sfc'), }, messages, schema: [], }, create: Components.detect((context, components, utils) => ({ MemberExpression(node) { if (node.object.type === 'ThisExpression') { const component = components.get(utils.getParentStatelessComponent()); if (!component || (component.node && component.node.parent && component.node.parent.type === 'Property')) { return; } report(context, messages.noThisInSFC, 'noThisInSFC', { node, }); } }, })), };