70 lines
2.8 KiB
JavaScript
70 lines
2.8 KiB
JavaScript
/**
|
|
* @license
|
|
* Copyright 2013 Palantir Technologies, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
"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("../index");
|
|
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 Walker(sourceFile, this.getOptions()));
|
|
};
|
|
return Rule;
|
|
}(Lint.Rules.AbstractRule));
|
|
/* tslint:disable:object-literal-sort-keys */
|
|
Rule.metadata = {
|
|
ruleName: "no-empty-interface",
|
|
description: "Forbids empty interfaces.",
|
|
rationale: "An empty interface is equivalent to its supertype (or `{}`).",
|
|
optionsDescription: "Not configurable.",
|
|
options: null,
|
|
type: "typescript",
|
|
typescriptOnly: true,
|
|
};
|
|
/* tslint:enable:object-literal-sort-keys */
|
|
Rule.FAILURE_STRING = "An empty interface is equivalent to `{}`.";
|
|
Rule.FAILURE_STRING_FOR_EXTENDS = "An interface declaring no members is equivalent to its supertype.";
|
|
exports.Rule = Rule;
|
|
var Walker = (function (_super) {
|
|
__extends(Walker, _super);
|
|
function Walker() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}
|
|
Walker.prototype.visitInterfaceDeclaration = function (node) {
|
|
if (node.members.length === 0 &&
|
|
(node.heritageClauses === undefined ||
|
|
node.heritageClauses[0].types === undefined ||
|
|
// allow interfaces that extend 2 or more interfaces
|
|
node.heritageClauses[0].types.length < 2)) {
|
|
this.addFailureAtNode(node.name, node.heritageClauses ? Rule.FAILURE_STRING_FOR_EXTENDS : Rule.FAILURE_STRING);
|
|
}
|
|
};
|
|
return Walker;
|
|
}(Lint.RuleWalker));
|