1 files changed, 7 insertions, 1 deletions
diff --git a/node_modules/tslint/lib/rules/restrictPlusOperandsRule.js b/node_modules/tslint/lib/rules/restrictPlusOperandsRule.js
index 1974ce47a..c2b8bdb96 100644
--- a/node_modules/tslint/lib/rules/restrictPlusOperandsRule.js
+++ b/node_modules/tslint/lib/rules/restrictPlusOperandsRule.js
@@ -41,6 +41,7 @@ var Rule = /** @class */ (function (_super) {
     };
     /* tslint:enable:object-literal-sort-keys */
     Rule.INVALID_TYPES_ERROR = "Operands of '+' operation must either be both strings or both numbers";
+    Rule.SUGGEST_TEMPLATE_LITERALS = ", consider using template literals";
     return Rule;
 }(Lint.Rules.TypedRule));
 exports.Rule = Rule;
@@ -50,7 +51,12 @@ function walk(ctx, tc) {
             var leftType = getBaseTypeOfLiteralType(tc.getTypeAtLocation(node.left));
             var rightType = getBaseTypeOfLiteralType(tc.getTypeAtLocation(node.right));
             if (leftType === "invalid" || rightType === "invalid" || leftType !== rightType) {
-                return ctx.addFailureAtNode(node, Rule.INVALID_TYPES_ERROR);
+                if (leftType === "string" || rightType === "string") {
+                    return ctx.addFailureAtNode(node, Rule.INVALID_TYPES_ERROR + Rule.SUGGEST_TEMPLATE_LITERALS);
+                }
+                else {
+                    return ctx.addFailureAtNode(node, Rule.INVALID_TYPES_ERROR);
+                }
             }
         }
         return ts.forEachChild(node, cb);