eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
56 lines (55 loc) • 2.35 kB
JavaScript
;
/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011-2024 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// https://sonarsource.github.io/rspec/#/rspec/S6679/javascript
Object.defineProperty(exports, "__esModule", { value: true });
exports.decorate = void 0;
const helpers_1 = require("../helpers");
const meta_1 = require("./meta");
function decorate(rule) {
return (0, helpers_1.interceptReport)({
...rule,
meta: (0, helpers_1.generateMeta)(meta_1.meta, {
...rule.meta,
hasSuggestions: true,
}),
}, (context, reportDescriptor) => {
if ('node' in reportDescriptor && 'messageId' in reportDescriptor) {
const { node, messageId, ...rest } = reportDescriptor, operators = new Set(['===', '==', '!==', '!=']);
if (node.type === 'BinaryExpression' &&
operators.has(node.operator) &&
node.left.type !== 'Literal') {
const prefix = node.operator.startsWith('!') ? '' : '!', value = context.sourceCode.getText(node.left), suggest = [
{
desc: 'Replace self-compare with Number.isNaN()',
fix: fixer => fixer.replaceText(node, `${prefix}Number.isNaN(${value})`),
},
];
context.report({
node,
message: "Use 'Number.isNaN()' to check for 'NaN' value",
...rest,
suggest,
});
}
}
});
}
exports.decorate = decorate;