1 files changed, 60 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/preferMethodSignatureRule.js b/node_modules/tslint/lib/rules/preferMethodSignatureRule.js
new file mode 100644
index 000000000..1fec5e6cf
--- /dev/null
+++ b/node_modules/tslint/lib/rules/preferMethodSignatureRule.js
@@ -0,0 +1,60 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2017 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: "prefer-method-signature",
+    description: "Prefer `foo(): void` over `foo: () => void` in interfaces and types.",
+    hasFix: true,
+    optionsDescription: "Not configurable.",
+    options: null,
+    optionExamples: [true],
+    type: "style",
+    typescriptOnly: false,
+};
+/* tslint:enable:object-literal-sort-keys */
+Rule.FAILURE_STRING = "Use a method signature instead of a property signature of function type.";
+exports.Rule = Rule;
+function walk(ctx) {
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (tsutils_1.isPropertySignature(node)) {
+            var type = node.type;
+            if (type !== undefined && tsutils_1.isFunctionTypeNode(type)) {
+                ctx.addFailureAtNode(node.name, Rule.FAILURE_STRING, type.type === undefined ? undefined : [
+                    Lint.Replacement.deleteFromTo(Lint.childOfKind(node, ts.SyntaxKind.ColonToken).getStart(), type.getStart()),
+                    Lint.Replacement.replaceFromTo(Lint.childOfKind(type, ts.SyntaxKind.EqualsGreaterThanToken).pos, type.type.pos, ":"),
+                ]);
+            }
+        }
+        return ts.forEachChild(node, cb);
+    });
+}