4 * Copyright 2018 Palantir Technologies, Inc.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 Object.defineProperty(exports, "__esModule", { value: true });
19 var tslib_1 = require("tslib");
20 var ts = require("typescript");
21 var Lint = require("../index");
22 var Rule = /** @class */ (function (_super) {
23 tslib_1.__extends(Rule, _super);
25 return _super !== null && _super.apply(this, arguments) || this;
27 Rule.prototype.apply = function (sourceFile) {
28 return this.applyWithFunction(sourceFile, walk);
30 /* tslint:disable:object-literal-sort-keys */
32 ruleName: "new-parens",
33 description: "Requires parentheses when invoking a constructor via the `new` keyword.",
34 rationale: "Maintains stylistic consistency with other function calls.",
35 optionsDescription: "Not configurable.",
37 optionExamples: [true],
39 typescriptOnly: false,
41 /* tslint:enable:object-literal-sort-keys */
42 Rule.FAILURE_STRING = "Parentheses are required when invoking a constructor";
44 }(Lint.Rules.AbstractRule));
47 return ts.forEachChild(ctx.sourceFile, function cb(node) {
48 if (node.kind === ts.SyntaxKind.NewExpression &&
49 node.arguments === undefined) {
50 ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
52 return ts.forEachChild(node, cb);