eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
61 lines (60 loc) • 2.17 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/S6564/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 COMMON_NODE_TYPES = new Set([
'TSAnyKeyword',
'TSBigIntKeyword',
'TSBooleanKeyword',
'TSNeverKeyword',
'TSNullKeyword',
'TSNumberKeyword',
'TSStringKeyword',
'TSSymbolKeyword',
'TSUndefinedKeyword',
'TSUnknownKeyword',
'TSVoidKeyword',
]);
exports.rule = {
meta: (0, index_js_1.generateMeta)(meta_js_1.meta, {
messages: {
redundantTypeAlias: 'Remove this redundant type alias and replace its occurrences with "{{type}}".',
},
}),
create(context) {
return {
TSTypeAliasDeclaration(node) {
const { id, typeAnnotation } = node;
if (COMMON_NODE_TYPES.has(typeAnnotation.type) || (0, index_js_1.isTypeAlias)(typeAnnotation, context)) {
const sourceCode = context.sourceCode;
const tpe = sourceCode.getTokens(typeAnnotation)[0];
context.report({
messageId: 'redundantTypeAlias',
node: id,
data: {
type: tpe.value,
},
});
}
},
};
},
};