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diff --git a/node_modules/tslint/lib/rules/noSwitchCaseFallThroughRule.js b/node_modules/tslint/lib/rules/noSwitchCaseFallThroughRule.js
new file mode 100644
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--- /dev/null
+++ b/node_modules/tslint/lib/rules/noSwitchCaseFallThroughRule.js
@@ -0,0 +1,90 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2013 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 utils = 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;
+    }
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = function (keyword) {
+        return "expected a 'break' before '" + ts.tokenToString(keyword) + "'";
+    };
+    Rule.prototype.apply = function (sourceFile) {
+        return this.applyWithWalker(new NoSwitchCaseFallThroughWalker(sourceFile, this.ruleName, undefined));
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+    ruleName: "no-switch-case-fall-through",
+    description: "Disallows falling through case statements.",
+    descriptionDetails: (_a = ["\n            For example, the following is not allowed:\n\n            ```ts\n            switch(foo) {\n                case 1:\n                    someFunc(foo);\n                case 2:\n                    someOtherFunc(foo);\n            }\n            ```\n\n            However, fall through is allowed when case statements are consecutive or\n            a magic `/* falls through */` comment is present. The following is valid:\n\n            ```ts\n            switch(foo) {\n                case 1:\n                    someFunc(foo);\n                    /* falls through */\n                case 2:\n                case 3:\n                    someOtherFunc(foo);\n            }\n            ```"], _a.raw = ["\n            For example, the following is not allowed:\n\n            \\`\\`\\`ts\n            switch(foo) {\n                case 1:\n                    someFunc(foo);\n                case 2:\n                    someOtherFunc(foo);\n            }\n            \\`\\`\\`\n\n            However, fall through is allowed when case statements are consecutive or\n            a magic \\`/* falls through */\\` comment is present. The following is valid:\n\n            \\`\\`\\`ts\n            switch(foo) {\n                case 1:\n                    someFunc(foo);\n                    /* falls through */\n                case 2:\n                case 3:\n                    someOtherFunc(foo);\n            }\n            \\`\\`\\`"], Lint.Utils.dedent(_a)),
+    rationale: "Fall though in switch statements is often unintentional and a bug.",
+    optionsDescription: "Not configurable.",
+    options: null,
+    optionExamples: [true],
+    type: "functionality",
+    typescriptOnly: false,
+};
+exports.Rule = Rule;
+var NoSwitchCaseFallThroughWalker = (function (_super) {
+    tslib_1.__extends(NoSwitchCaseFallThroughWalker, _super);
+    function NoSwitchCaseFallThroughWalker() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    NoSwitchCaseFallThroughWalker.prototype.walk = function (sourceFile) {
+        var _this = this;
+        var cb = function (node) {
+            if (utils.isSwitchStatement(node)) {
+                _this.visitSwitchStatement(node);
+            }
+            return ts.forEachChild(node, cb);
+        };
+        return ts.forEachChild(sourceFile, cb);
+    };
+    NoSwitchCaseFallThroughWalker.prototype.visitSwitchStatement = function (_a) {
+        var _this = this;
+        var clauses = _a.caseBlock.clauses;
+        clauses.forEach(function (clause, i) {
+            if (i !== clauses.length - 1
+                && clause.statements.length !== 0
+                && !utils.endsControlFlow(clause)
+                && !_this.isFallThroughAllowed(clause)) {
+                var keyword = clauses[i + 1].getChildAt(0);
+                _this.addFailureAtNode(keyword, Rule.FAILURE_STRING(keyword.kind));
+            }
+        });
+    };
+    NoSwitchCaseFallThroughWalker.prototype.isFallThroughAllowed = function (clause) {
+        var _this = this;
+        var comments = ts.getLeadingCommentRanges(this.sourceFile.text, clause.end);
+        return comments !== undefined && comments.some(function (comment) { return commentText(comment, _this.sourceFile).trim() === "falls through"; });
+    };
+    return NoSwitchCaseFallThroughWalker;
+}(Lint.AbstractWalker));
+exports.NoSwitchCaseFallThroughWalker = NoSwitchCaseFallThroughWalker;
+function commentText(_a, sourceFile) {
+    var pos = _a.pos, end = _a.end, kind = _a.kind;
+    return sourceFile.text.slice(pos + 2, kind === ts.SyntaxKind.MultiLineCommentTrivia ? end - 2 : end);
+}
+var _a;