SQL Operations Studio Public Preview 1 (0.23) release source code

build/lib/tslint/duplicateImportsRule.js

@@ -0,0 +1,50 @@
+"use strict";
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+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 path_1 = require("path");
+var Lint = require("tslint");
+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 ImportPatterns(sourceFile, this.getOptions()));
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+var ImportPatterns = (function (_super) {
+    __extends(ImportPatterns, _super);
+    function ImportPatterns(file, opts) {
+        var _this = _super.call(this, file, opts) || this;
+        _this.imports = Object.create(null);
+        return _this;
+    }
+    ImportPatterns.prototype.visitImportDeclaration = function (node) {
+        var path = node.moduleSpecifier.getText();
+        // remove quotes
+        path = path.slice(1, -1);
+        if (path[0] === '.') {
+            path = path_1.join(path_1.dirname(node.getSourceFile().fileName), path);
+        }
+        if (this.imports[path]) {
+            this.addFailure(this.createFailure(node.getStart(), node.getWidth(), "Duplicate imports for '" + path + "'."));
+        }
+        this.imports[path] = true;
+    };
+    return ImportPatterns;
+}(Lint.RuleWalker));