tslint-consistent-codestyle/rules/noUnnecessaryElseRule.js

Additional rules to enforce constistent code style with tslint

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var Lint = require("tslint");
var walker_1 = require("../src/walker");
var utils_1 = require("../src/utils");
var tsutils_1 = require("tsutils");
var FAIL_MESSAGE = "unnecessary else";
var Rule = (function (_super) {
    tslib_1.__extends(Rule, _super);
    function Rule() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Rule.prototype.apply = function (sourceFile) {
        return this.applyWithWalker(new IfWalker(sourceFile, this.ruleName, undefined));
    };
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var IfWalker = (function (_super) {
    tslib_1.__extends(IfWalker, _super);
    function IfWalker() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    IfWalker.prototype._checkIfStatement = function (node) {
        var elseStatement = node.elseStatement;
        if (elseStatement !== undefined && !utils_1.isElseIf(node) && tsutils_1.endsControlFlow(node.thenStatement))
            this._reportUnnecessaryElse(elseStatement, FAIL_MESSAGE);
    };
    return IfWalker;
}(walker_1.AbstractIfStatementWalker));
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