eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
54 lines (53 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/S6959/javascript
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: {
message: 'Add an initial value to this "reduce()" call.',
},
}),
create(context) {
const services = context.sourceCode.parserServices;
function isArray(node) {
if ((0, helpers_1.isRequiredParserServices)(services)) {
return (0, helpers_1.isArray)(node, services);
}
else {
return (0, helpers_1.isArrayExpression)((0, helpers_1.getUniqueWriteUsageOrNode)(context, node));
}
}
return {
CallExpression(node) {
if ((0, helpers_1.isCallingMethod)(node, 1, 'reduce') && isArray(node.callee.object)) {
context.report({
node: node.callee.property,
messageId: 'message',
});
}
},
};
},
};