From f155c304378b704b8e6b0c7748cc51d3140c760f Mon Sep 17 00:00:00 2001
From: binh-dam-ibigroup <56846598+binh-dam-ibigroup@users.noreply.github.com>
Date: Fri, 28 May 2021 11:21:21 -0400
Subject: [PATCH] fix(labeler.js): Label bus routes by default if labeledModes
 not provided.

---
 lib/labeler/labeler.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/labeler/labeler.js b/lib/labeler/labeler.js
index 4cd8ac9..72021a7 100644
--- a/lib/labeler/labeler.js
+++ b/lib/labeler/labeler.js
@@ -249,9 +249,11 @@ export default class Labeler {
       })
     })
 
-    // Generate labels for GTFS route/mode types listed in labeledModes.
+    // Generate labels for GTFS route/mode types listed in labeledModes if provided.
+    // If labeled modes is not provided, only label the buses (mode '3').
     var edgeGroups = []
-    const labeledModes = this.transitive.options.labeledModes
+    const busModes = [3]
+    const labeledModes = this.transitive.options.labeledModes || busModes
     forEach(this.transitive.network.paths, path => {
       forEach(path.segments, segment => {
         if (segment.type === 'TRANSIT' && labeledModes.includes(segment.getMode())) {