railway-rails: calc type in pre, use this for color

railway-rails.yaml

@@ -4,6 +4,13 @@ query:
   13: way[railway~"^(rail|narrow_gauge|subway|light_rail|tram|abandoned|disused|razed)$"];
 feature:
   pre: |-
+    {% set type = tags.railway %}
+    {% set lifecyle = 'active' %}
+    {% if tags.railway in ['abandoned', 'construction', 'proposed', 'disused', 'razed'] %}
+      {% set lifecyle = tags.railway %}
+      {% set type = attribute(tags, tags.railway)|default(attribute(tags, tags.railway ~ ':railway')) %}
+    {% endif %}
+
     {% set width = 2 %}
     {% if tags.service == 'yard' or tags.service == 'siding' or tags.service == 'spur' or tags.service == 'crossover' %}
       {% set width = 1 %}
@@ -21,7 +28,10 @@ feature:
     {% if attribute(tags, 'tunnel:name') %}- {{ localizedTag(tags, 'tunnel:name') }}{% endif %}
     {% if attribute(tags, 'bridge:name') %}- {{ localizedTag(tags, 'bridge:name') }}{% endif %}
   description: |-
-    {{ tagTrans('railway', tags.railway) -}}
+    {{ tagTrans('railway', type) }}
+    {% if lifecyle != 'active' %}
+     ({{ tagTrans('railway', lifecyle) }})
+    {%- endif -%}
     {%- if tags.usage %}
     , {{ tagTrans('railway=rail usage', tags.usage) }}
     {% endif -%}
@@ -56,7 +66,7 @@ feature:
     zIndex: |-
       {{ tags.layer|default(0) + 10 }}
     color: |-
-      {% set color = tags.railway == 'rail' or tags.railway == 'narrow_gauge' or tags.railway == 'disused' ? const.color['rail/' ~ tags.usage]|default(const.color.rail) : const.color[tags.railway]|default(const.color.default) %}
+      {% set color = const.color[type ~ '/' ~ tags.usage]|default(const.color[type]) %}
 
       {% if tags.tunnel and tags.tunnel != 'no' %}
         {{ colorInterpolate([ color, '#ffffff' ], 0.3) }}