From 95839372b5be67e11a2da8017a509055528916a8 Mon Sep 17 00:00:00 2001
From: Jannis R <mail@jannisr.de>
Date: Mon, 15 Oct 2018 14:37:46 +0200
Subject: [PATCH] trip: remove when option, it gets ignored anyways

---
 docs/trip.md | 1 -
 index.js     | 6 +++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/docs/trip.md b/docs/trip.md
index 4fdd85e1..755b47a8 100644
--- a/docs/trip.md
+++ b/docs/trip.md
@@ -26,7 +26,6 @@ With `opt`, you can override the default options, which look like this:
 
 ```js
 {
-	when: new Date(),
 	stopovers: true, // return stations on the way?
 	polyline: false, // return a shape for the trip?
 	remarks: true, // parse & expose hints & warnings?
diff --git a/index.js b/index.js
index 41784915..c1dbb27b 100644
--- a/index.js
+++ b/index.js
@@ -378,8 +378,6 @@ const createClient = (profile, userAgent, request = _request) => {
 			polyline: false, // return a track shape?
 			remarks: true // parse & expose hints & warnings?
 		}, opt)
-		opt.when = new Date(opt.when || Date.now())
-		if (Number.isNaN(+opt.when)) throw new Error('opt.when is invalid')
 
 		return request(profile, userAgent, opt, {
 			cfg: {polyEnc: 'GPA'},
@@ -388,7 +386,9 @@ const createClient = (profile, userAgent, request = _request) => {
 				// todo: getTrainComposition
 				jid: id,
 				name: lineName,
-				date: profile.formatDate(profile, opt.when),
+				// HAFAS apparently ignores the date in the trip ID and uses the `date` field.
+				// Thus, it will find a different trip if you pass the wrong date via `opt.when`.
+				// date: profile.formatDate(profile, opt.when),
 				getPolyline: !!opt.polyline
 			}
 		})