1 files changed, 13 insertions, 5 deletions
diff --git a/node_modules/tslint/lib/rules/noInvalidTemplateStringsRule.js b/node_modules/tslint/lib/rules/noInvalidTemplateStringsRule.js
index d3ee747f2..3fe553081 100644
--- a/node_modules/tslint/lib/rules/noInvalidTemplateStringsRule.js
+++ b/node_modules/tslint/lib/rules/noInvalidTemplateStringsRule.js
@@ -20,7 +20,7 @@ var tslib_1 = require("tslib");
 var utils = require("tsutils");
 var ts = require("typescript");
 var Lint = require("../index");
-var Rule = (function (_super) {
+var Rule = /** @class */ (function (_super) {
     tslib_1.__extends(Rule, _super);
     function Rule() {
         return _super !== null && _super.apply(this, arguments) || this;
@@ -52,10 +52,18 @@ function walk(ctx) {
         return ts.forEachChild(node, cb);
     });
     function check(node) {
-        var idx = node.text.search(/\$\{/);
-        if (idx !== -1) {
-            var textStart = node.getStart() + 1;
-            ctx.addFailureAt(textStart + idx, 2, Rule.FAILURE_STRING);
+        var text = node.getText(ctx.sourceFile);
+        var findTemplateStrings = /\\*\$\{/g;
+        var instance = findTemplateStrings.exec(text);
+        while (instance !== null) {
+            var matchLength = instance[0].length;
+            var backslashCount = matchLength - 2;
+            var instanceIsEscaped = backslashCount % 2 === 1;
+            if (!instanceIsEscaped) {
+                var start = node.getStart() + (instance.index + backslashCount);
+                ctx.addFailureAt(start, 2, Rule.FAILURE_STRING);
+            }
+            instance = findTemplateStrings.exec(text);
         }
     }
 }