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rule.ts
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rule.ts
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/*
* 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/S1874/javascript
import { Rule } from 'eslint';
import { isRequiredParserServices } from '../helpers';
import * as ts from 'typescript';
export const rule: Rule.RuleModule = {
meta: {
messages: {
deprecation: '{{deprecation}}',
},
},
create(context: Rule.RuleContext) {
const services = context.sourceCode.parserServices;
if (!isRequiredParserServices(services)) {
return {};
}
return {
Program: () => {
const program = services.program;
const checker = program.getTypeChecker();
const sourceFile = program.getSourceFile(context.filename);
const diagnostics: ts.DiagnosticWithLocation[] =
// @ts-ignore: TypeChecker#getSuggestionDiagnostics is not publicly exposed
checker.getSuggestionDiagnostics(sourceFile);
for (const diagnostic of diagnostics) {
if (diagnostic.reportsDeprecated === true) {
const sourceCode = context.sourceCode;
const start = sourceCode.getLocFromIndex(diagnostic.start);
const end = sourceCode.getLocFromIndex(diagnostic.start + diagnostic.length);
const loc = { start, end };
context.report({
loc,
messageId: 'deprecation',
data: {
deprecation: diagnostic.messageText as string,
},
});
}
}
},
};
},
};