eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
83 lines (82 loc) • 3.5 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/S1533/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");
const WRAPPER_TYPES = ['Boolean', 'Number', 'String'];
exports.rule = {
meta: (0, index_js_1.generateMeta)(meta_js_1.meta, {
hasSuggestions: true,
messages: {
removeConstructor: 'Remove this use of "{{constructor}}" constructor.',
replaceWrapper: 'Replace this "{{wrapper}}" wrapper object with primitive type "{{primitive}}".',
suggestRemoveNew: 'Remove "new" operator',
suggestReplaceWrapper: 'Replace "{{wrapper}}" with "{{primitive}}"',
},
}),
create(context) {
return {
NewExpression(node) {
const konstructor = node.callee;
if (konstructor.type === 'Identifier' && WRAPPER_TYPES.includes(konstructor.name)) {
const newToken = context.sourceCode.getFirstToken(node, token => token.value === 'new');
const [begin, end] = newToken.range;
context.report({
messageId: 'removeConstructor',
data: {
constructor: konstructor.name,
},
node,
suggest: [
{
messageId: 'suggestRemoveNew',
fix: fixer => fixer.removeRange([begin, end + 1]),
},
],
});
}
},
TSTypeReference(node) {
const typeString = context.sourceCode.getText(node);
if (WRAPPER_TYPES.includes(typeString)) {
const primitiveType = typeString.toLowerCase();
context.report({
messageId: 'replaceWrapper',
data: {
wrapper: typeString,
primitive: primitiveType,
},
node,
suggest: [
{
messageId: 'suggestReplaceWrapper',
data: {
wrapper: typeString,
primitive: primitiveType,
},
fix: fixer => fixer.replaceText(node, primitiveType),
},
],
});
}
},
};
},
};