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