eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
56 lines (55 loc) • 1.87 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/S2138/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: {
useNull: 'Use null instead.',
},
}),
create(context) {
function raiseOnUndefined(node) {
if ((0, index_js_1.isUndefined)(node)) {
context.report({
messageId: 'useNull',
node,
});
}
}
return {
VariableDeclarator: (node) => {
const { init } = node;
if (init) {
raiseOnUndefined(init);
}
},
AssignmentExpression: (node) => {
const { right } = node;
raiseOnUndefined(right);
},
Property: (node) => {
const { value } = node;
raiseOnUndefined(value);
},
};
},
};