From 67057d0494dc76a5a72ce1c3a837429f53c55fc6 Mon Sep 17 00:00:00 2001
From: Sam Beveridge <sam.beveridge@referralsaasquatch.com>
Date: Fri, 29 Nov 2019 16:01:02 -0800
Subject: [PATCH] added underscore to acceptable characters in path

---
 src/serializer.ts                | 2 +-
 test/features/Serializer.feature | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/serializer.ts b/src/serializer.ts
index 42c8208..525d311 100644
--- a/src/serializer.ts
+++ b/src/serializer.ts
@@ -8,7 +8,7 @@ export function escapeString(name:string){
     /\s/.test(name) 
     || ["null", "false", "true"].includes(name) 
     || /^\d/.test(name)
-    || !(/^[a-zA-Z().]+$/.test(name))
+    || !(/^[a-zA-Z()._]+$/.test(name))
   ) {
     return "`" + name + "`";
   }
diff --git a/test/features/Serializer.feature b/test/features/Serializer.feature
index a23f8bc..9a3e926 100644
--- a/test/features/Serializer.feature
+++ b/test/features/Serializer.feature
@@ -62,5 +62,6 @@ Feature: AST Serializer
             | `foo*bar`       |
             | `foobar-1`      |
             | foo.bar.baz     |
+            | foo.foo_bar     |