eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
51 lines (50 loc) • 1.93 kB
JavaScript
;
/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011-2025 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 Sonar Source-Available License Version 1, as published by SonarSource SA.
*
* 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 Sonar Source-Available License for more details.
*
* You should have received a copy of the Sonar Source-Available License
* along with this program; if not, see https://sonarsource.com/license/ssal/
*/
// https://sonarsource.github.io/rspec/#/rspec/S6959/javascript
Object.defineProperty(exports, "__esModule", { value: true });
exports.rule = void 0;
const index_js_1 = require("../helpers/index.js");
const meta_js_1 = require("./meta.js");
exports.rule = {
meta: (0, index_js_1.generateMeta)(meta_js_1.meta, {
messages: {
message: 'Add an initial value to this "reduce()" call.',
},
}),
create(context) {
const services = context.sourceCode.parserServices;
function isArray(node) {
if ((0, index_js_1.isRequiredParserServices)(services)) {
return (0, index_js_1.isArray)(node, services);
}
else {
return (0, index_js_1.isArrayExpression)((0, index_js_1.getUniqueWriteUsageOrNode)(context, node));
}
}
return {
CallExpression(node) {
if ((0, index_js_1.isCallingMethod)(node, 1, 'reduce') && isArray(node.callee.object)) {
context.report({
node: node.callee.property,
messageId: 'message',
});
}
},
};
},
};