tslint-microsoft-contrib/noDuplicateParameterNamesRule.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var Lint = require("tslint");
var ErrorTolerantWalker_1 = require("./utils/ErrorTolerantWalker");
var Rule = (function (_super) {
    __extends(Rule, _super);
    function Rule() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Rule.prototype.apply = function (sourceFile) {
        return this.applyWithWalker(new NoDuplicateParameterNamesWalker(sourceFile, this.getOptions()));
    };
    Rule.metadata = {
        ruleName: 'no-duplicate-parameter-names',
        type: 'maintainability',
        description: 'Deprecated - This rule is now enforced by the TypeScript compiler',
        options: null,
        optionsDescription: '',
        typescriptOnly: true,
        issueClass: 'Ignored',
        issueType: 'Warning',
        severity: 'Low',
        level: 'Opportunity for Excellence',
        group: 'Deprecated',
        recommendation: 'false, // now supported by TypeScript compiler'
    };
    Rule.FAILURE_STRING = 'Duplicate parameter name: ';
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var NoDuplicateParameterNamesWalker = (function (_super) {
    __extends(NoDuplicateParameterNamesWalker, _super);
    function NoDuplicateParameterNamesWalker() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    NoDuplicateParameterNamesWalker.prototype.visitMethodDeclaration = function (node) {
        this.validateParameterNames(node);
        _super.prototype.visitMethodDeclaration.call(this, node);
    };
    NoDuplicateParameterNamesWalker.prototype.visitConstructorDeclaration = function (node) {
        this.validateParameterNames(node);
        _super.prototype.visitConstructorDeclaration.call(this, node);
    };
    NoDuplicateParameterNamesWalker.prototype.visitArrowFunction = function (node) {
        this.validateParameterNames(node);
        _super.prototype.visitArrowFunction.call(this, node);
    };
    NoDuplicateParameterNamesWalker.prototype.visitFunctionDeclaration = function (node) {
        this.validateParameterNames(node);
        _super.prototype.visitFunctionDeclaration.call(this, node);
    };
    NoDuplicateParameterNamesWalker.prototype.visitFunctionExpression = function (node) {
        this.validateParameterNames(node);
        _super.prototype.visitFunctionExpression.call(this, node);
    };
    NoDuplicateParameterNamesWalker.prototype.validateParameterNames = function (node) {
        var _this = this;
        var seenNames = {};
        node.parameters.forEach(function (parameter) {
            var parameterName = parameter.name.text;
            if (parameterName != null) {
                if (seenNames[parameterName]) {
                    _this.addFailureAt(parameter.name.getStart(), parameterName.length, Rule.FAILURE_STRING + '\'' + parameterName + '\'');
                }
                else {
                    seenNames[parameterName] = true;
                }
            }
        });
    };
    return NoDuplicateParameterNamesWalker;
}(ErrorTolerantWalker_1.ErrorTolerantWalker));
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