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node_modules/tslint/lib/rules/noVarRequiresRule.js

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+"use strict";
+/**
+ * @license
+ * Copyright 2014 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 ts = require("typescript");
+var Lint = require("../index");
+var Rule = /** @class */ (function (_super) {
+    tslib_1.__extends(Rule, _super);
+    function Rule() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    Rule.prototype.apply = function (sourceFile) {
+        var requiresWalker = new NoVarRequiresWalker(sourceFile, this.getOptions());
+        return this.applyWithWalker(requiresWalker);
+    };
+    /* tslint:disable:object-literal-sort-keys */
+    Rule.metadata = {
+        ruleName: "no-var-requires",
+        description: "Disallows the use of require statements except in import statements.",
+        descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n            In other words, the use of forms such as `var module = require(\"module\")` are banned.\n            Instead use ES2015-style imports or `import foo = require('foo')` imports."], ["\n            In other words, the use of forms such as \\`var module = require(\"module\")\\` are banned.\n            Instead use ES2015-style imports or \\`import foo = require('foo')\\` imports."]))),
+        optionsDescription: "Not configurable.",
+        options: null,
+        optionExamples: [true],
+        rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n            AMD-style `require([])` and CommonJS-style `require(\"\")` statements are environment-specific\n            and more difficult to statically analyze.\n\n            ES2015-style `import`s are part of the JavaScript language specfication and recommended as the path going forward.\n            TypeScript will compile them to environment-specific forms as needed.\n        "], ["\n            AMD-style \\`require([])\\` and CommonJS-style \\`require(\"\")\\` statements are environment-specific\n            and more difficult to statically analyze.\n\n            ES2015-style \\`import\\`s are part of the JavaScript language specfication and recommended as the path going forward.\n            TypeScript will compile them to environment-specific forms as needed.\n        "]))),
+        type: "typescript",
+        typescriptOnly: true,
+    };
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = "require statement not part of an import statement";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+// tslint:disable-next-line:deprecation
+var NoVarRequiresWalker = /** @class */ (function (_super) {
+    tslib_1.__extends(NoVarRequiresWalker, _super);
+    function NoVarRequiresWalker() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    NoVarRequiresWalker.prototype.createScope = function () {
+        return {};
+    };
+    NoVarRequiresWalker.prototype.visitCallExpression = function (node) {
+        var expression = node.expression;
+        if (this.getCurrentDepth() <= 1 && expression.kind === ts.SyntaxKind.Identifier) {
+            var identifierName = expression.text;
+            if (identifierName === "require") {
+                // if we're calling (invoking) require, then it's not part of an import statement
+                this.addFailureAtNode(node, Rule.FAILURE_STRING);
+            }
+        }
+        _super.prototype.visitCallExpression.call(this, node);
+    };
+    return NoVarRequiresWalker;
+}(Lint.ScopeAwareRuleWalker));
+var templateObject_1, templateObject_2;