1 files changed, 71 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/oneVariablePerDeclarationRule.js b/node_modules/tslint/lib/rules/oneVariablePerDeclarationRule.js
new file mode 100644
index 000000000..5d1f42191
--- /dev/null
+++ b/node_modules/tslint/lib/rules/oneVariablePerDeclarationRule.js
@@ -0,0 +1,71 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2016 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 OPTION_IGNORE_FOR_LOOP = "ignore-for-loop";
+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, { ignoreForLoop: this.ruleArguments.indexOf(OPTION_IGNORE_FOR_LOOP) !== -1 });
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+    ruleName: "one-variable-per-declaration",
+    description: "Disallows multiple variable definitions in the same declaration statement.",
+    optionsDescription: (_a = ["\n            One argument may be optionally provided:\n\n            * `", "` allows multiple variable definitions in a for loop declaration."], _a.raw = ["\n            One argument may be optionally provided:\n\n            * \\`", "\\` allows multiple variable definitions in a for loop declaration."], Lint.Utils.dedent(_a, OPTION_IGNORE_FOR_LOOP)),
+    options: {
+        type: "array",
+        items: {
+            type: "string",
+            enum: [OPTION_IGNORE_FOR_LOOP],
+        },
+        minLength: 0,
+        maxLength: 1,
+    },
+    optionExamples: [true, [true, OPTION_IGNORE_FOR_LOOP]],
+    type: "style",
+    typescriptOnly: false,
+};
+/* tslint:enable:object-literal-sort-keys */
+Rule.FAILURE_STRING = "Multiple variable declarations in the same statement are forbidden";
+exports.Rule = Rule;
+function walk(ctx) {
+    ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (tsutils_1.isVariableStatement(node) && node.declarationList.declarations.length > 1) {
+            ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
+        }
+        else if (tsutils_1.isForStatement(node) && !ctx.options.ignoreForLoop) {
+            var initializer = node.initializer;
+            if (initializer !== undefined
+                && initializer.kind === ts.SyntaxKind.VariableDeclarationList
+                && initializer.declarations.length > 1) {
+                ctx.addFailureAtNode(initializer, Rule.FAILURE_STRING);
+            }
+        }
+        ts.forEachChild(node, cb);
+    });
+}
+var _a;