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-rw-r--r--node_modules/tslint/lib/rules/noEmptyInterfaceRule.js59
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diff --git a/node_modules/tslint/lib/rules/noEmptyInterfaceRule.js b/node_modules/tslint/lib/rules/noEmptyInterfaceRule.js
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+"use strict";
+/**
+ * @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.
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var tsutils_1 = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+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.applyWithFunction(sourceFile, walk);
+ };
+ 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;
+function walk(ctx) {
+ return ts.forEachChild(ctx.sourceFile, function cb(node) {
+ if (tsutils_1.isInterfaceDeclaration(node) &&
+ 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)) {
+ return ctx.addFailureAtNode(node.name, node.heritageClauses !== undefined ? Rule.FAILURE_STRING_FOR_EXTENDS : Rule.FAILURE_STRING);
+ }
+ return ts.forEachChild(node, cb);
+ });
+}