eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
52 lines (51 loc) • 2.07 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/S6035/javascript
Object.defineProperty(exports, "__esModule", { value: true });
exports.rule = void 0;
const regex_1 = require("../helpers/regex");
const helpers_1 = require("../helpers");
const meta_1 = require("./meta");
exports.rule = (0, regex_1.createRegExpRule)(context => {
function checkAlternation(alternation) {
const { alternatives } = alternation;
if (alternatives.length <= 1) {
return;
}
if (alternatives.every(alt => alt.elements.length === 1 && alt.elements[0].type === 'Character')) {
context.reportRegExpNode({
message: 'Replace this alternation with a character class.',
node: context.node,
regexpNode: alternation,
});
}
}
return {
onPatternEnter: checkAlternation,
onGroupEnter: checkAlternation,
onCapturingGroupEnter: checkAlternation,
onAssertionEnter(node) {
if (node.kind === 'lookahead' || node.kind === 'lookbehind') {
checkAlternation(node);
}
},
};
}, (0, helpers_1.generateMeta)(meta_1.meta));