quran/node_modules/eslint-plugin-sonarjs/lib/rules/no-identical-conditions.js

"use strict";
/*
 * eslint-plugin-sonarjs
 * Copyright (C) 2018-2021 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/S1862
const nodes_1 = require("../utils/nodes");
const equivalence_1 = require("../utils/equivalence");
const locations_1 = require("../utils/locations");
const docs_url_1 = require("../utils/docs-url");
const message = 'This branch duplicates the one on line {{line}}';
const rule = {
    meta: {
        messages: {
            duplicatedBranch: message,
            sonarRuntime: '{{sonarRuntimeData}}',
        },
        type: 'problem',
        docs: {
            description: 'Related "if/else if" statements should not have the same condition',
            recommended: 'error',
            url: (0, docs_url_1.default)(__filename),
        },
        schema: [
            {
                // internal parameter
                enum: ['sonar-runtime'],
            },
        ],
    },
    create(context) {
        return {
            IfStatement(node) {
                const ifStmt = node;
                const condition = ifStmt.test;
                let statement = ifStmt.alternate;
                while (statement) {
                    if ((0, nodes_1.isIfStatement)(statement)) {
                        if ((0, equivalence_1.areEquivalent)(condition, statement.test, context.getSourceCode())) {
                            const line = ifStmt.loc && ifStmt.loc.start.line;
                            if (line && condition.loc) {
                                (0, locations_1.report)(context, {
                                    messageId: 'duplicatedBranch',
                                    data: {
                                        line,
                                    },
                                    node: statement.test,
                                }, [(0, locations_1.issueLocation)(condition.loc, condition.loc, 'Original')], message);
                            }
                        }
                        statement = statement.alternate;
                    }
                    else {
                        break;
                    }
                }
            },
        };
    },
};
module.exports = rule;
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