1 files changed, 69 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/noVarKeywordRule.js b/node_modules/tslint/lib/rules/noVarKeywordRule.js
new file mode 100644
index 000000000..ecfcec88e
--- /dev/null
+++ b/node_modules/tslint/lib/rules/noVarKeywordRule.js
@@ -0,0 +1,69 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2015 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-var-keyword",
+    description: "Disallows usage of the `var` keyword.",
+    descriptionDetails: "Use `let` or `const` instead.",
+    hasFix: true,
+    optionsDescription: "Not configurable.",
+    options: null,
+    optionExamples: [true],
+    type: "functionality",
+    typescriptOnly: false,
+};
+/* tslint:enable:object-literal-sort-keys */
+Rule.FAILURE_STRING = "Forbidden 'var' keyword, use 'let' or 'const' instead";
+exports.Rule = Rule;
+function walk(ctx) {
+    var sourceFile = ctx.sourceFile;
+    return ts.forEachChild(sourceFile, function cb(node) {
+        var parent = node.parent;
+        if (tsutils_1.isVariableDeclarationList(node)
+            && !tsutils_1.isBlockScopedVariableDeclarationList(node)
+            && (!tsutils_1.isVariableStatement(parent) || !isGlobalVarDeclaration(parent))) {
+            var start = node.getStart(sourceFile);
+            var width = "var".length;
+            // Don't apply fix in a declaration file, because may have meant 'const'.
+            var fix = sourceFile.isDeclarationFile ? undefined : new Lint.Replacement(start, width, "let");
+            ctx.addFailureAt(start, width, Rule.FAILURE_STRING, fix);
+        }
+        return ts.forEachChild(node, cb);
+    });
+}
+// Allow `declare var x: number;` or `declare global { var x: number; }`
+function isGlobalVarDeclaration(node) {
+    var parent = node.parent;
+    return Lint.hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword)
+        || parent.kind === ts.SyntaxKind.ModuleBlock && Lint.isNodeFlagSet(parent.parent, ts.NodeFlags.GlobalAugmentation);
+}