tslint-microsoft-contrib/noCookiesRule.js

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
};
var ErrorTolerantWalker = require('./utils/ErrorTolerantWalker');
var Rule = (function (_super) {
    __extends(Rule, _super);
    function Rule() {
        _super.apply(this, arguments);
    }
    Rule.prototype.apply = function (sourceFile) {
        var documentRegistry = ts.createDocumentRegistry();
        var languageServiceHost = Lint.createLanguageServiceHost('file.ts', sourceFile.getFullText());
        var languageService = ts.createLanguageService(languageServiceHost, documentRegistry);
        return this.applyWithWalker(new NoCookiesWalker(sourceFile, this.getOptions(), languageService));
    };
    Rule.FAILURE_STRING = 'Forbidden call to document.cookie';
    return Rule;
})(Lint.Rules.AbstractRule);
exports.Rule = Rule;
var NoCookiesWalker = (function (_super) {
    __extends(NoCookiesWalker, _super);
    function NoCookiesWalker(sourceFile, options, languageService) {
        _super.call(this, sourceFile, options);
        this.languageService = languageService;
        this.typeChecker = languageService.getProgram().getTypeChecker();
    }
    NoCookiesWalker.prototype.visitPropertyAccessExpression = function (node) {
        var propertyName = node.name.text;
        if (propertyName === 'cookie') {
            var leftSide = node.expression;
            try {
                var leftSideType = this.typeChecker.getTypeAtLocation(leftSide);
                var typeAsString = this.typeChecker.typeToString(leftSideType);
                if (leftSideType.flags === 1 || typeAsString === 'Document') {
                    this.addFailure(this.createFailure(leftSide.getStart(), leftSide.getWidth(), Rule.FAILURE_STRING));
                }
            }
            catch (e) {
                if (leftSide.getFullText().trim() === 'document') {
                    this.addFailure(this.createFailure(leftSide.getStart(), leftSide.getWidth(), Rule.FAILURE_STRING));
                }
            }
        }
        _super.prototype.visitPropertyAccessExpression.call(this, node);
    };
    return NoCookiesWalker;
})(ErrorTolerantWalker);
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