tslint-microsoft-contrib/noFunctionExpressionRule.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) {
        return this.applyWithWalker(new NoFunctionExpressionRuleWalker(sourceFile, this.getOptions()));
    };
    Rule.FAILURE_STRING = 'Use arrow function instead of function expression';
    return Rule;
})(Lint.Rules.AbstractRule);
exports.Rule = Rule;
var NoFunctionExpressionRuleWalker = (function (_super) {
    __extends(NoFunctionExpressionRuleWalker, _super);
    function NoFunctionExpressionRuleWalker() {
        _super.apply(this, arguments);
    }
    NoFunctionExpressionRuleWalker.prototype.visitFunctionExpression = function (node) {
        var walker = new SingleFunctionWalker(this.getSourceFile(), this.getOptions());
        node.getChildren().forEach(function (node) {
            walker.walk(node);
        });
        if (!walker.isAccessingThis) {
            this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
        }
        _super.prototype.visitFunctionExpression.call(this, node);
    };
    return NoFunctionExpressionRuleWalker;
})(ErrorTolerantWalker);
var SingleFunctionWalker = (function (_super) {
    __extends(SingleFunctionWalker, _super);
    function SingleFunctionWalker() {
        _super.apply(this, arguments);
        this.isAccessingThis = false;
    }
    SingleFunctionWalker.prototype.visitNode = function (node) {
        if (node.getText() === 'this') {
            this.isAccessingThis = true;
        }
        _super.prototype.visitNode.call(this, node);
    };
    SingleFunctionWalker.prototype.visitFunctionExpression = function (node) {
    };
    SingleFunctionWalker.prototype.visitArrowFunction = function (node) {
    };
    return SingleFunctionWalker;
})(ErrorTolerantWalker);
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