eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
56 lines (55 loc) • 2.23 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/S126
Object.defineProperty(exports, "__esModule", { value: true });
exports.rule = void 0;
const helpers_1 = require("../helpers");
const meta_1 = require("./meta");
exports.rule = {
meta: (0, helpers_1.generateMeta)(meta_1.meta, {
messages: {
addMissingElseClause: 'Add the missing "else" clause.',
},
}),
create(context) {
return {
IfStatement: (node) => {
const ifstmt = node;
if (isElseIf(ifstmt) && !ifstmt.alternate) {
const sourceCode = context.sourceCode;
const elseKeyword = sourceCode.getTokenBefore(node, token => token.type === 'Keyword' && token.value === 'else');
const ifKeyword = sourceCode.getFirstToken(node, token => token.type === 'Keyword' && token.value === 'if');
context.report({
messageId: 'addMissingElseClause',
loc: {
start: elseKeyword.loc.start,
end: ifKeyword.loc.end,
},
});
}
},
};
},
};
function isElseIf(node) {
const { parent } = node;
return parent?.type === 'IfStatement' && parent.alternate === node;
}