data: restore withTrackSections, but simpler now

Author: towerofnix

src/data/composite/things/album/index.js

@@ -1 +1,2 @@
+export {default as withTrackSections} from './withTrackSections.js';
 export {default as withTracks} from './withTracks.js';

src/data/composite/things/album/withTrackSections.js

@@ -0,0 +1,21 @@
+import {input, templateCompositeFrom} from '#composite';
+
+import find from '#find';
+
+import {withResolvedReferenceList} from '#composite/wiki-data';
+
+export default templateCompositeFrom({
+  annotation: `withTrackSections`,
+
+  outputs: ['#trackSections'],
+
+  steps: () => [
+    withResolvedReferenceList({
+      list: 'trackSections',
+      data: 'ownTrackSectionData',
+      find: input.value(find.unqualifiedTrackSection),
+    }).outputs({
+      ['#resolvedReferenceList']: '#trackSections',
+    }),
+  ],
+});

src/data/composite/things/album/withTracks.js

@@ -1,24 +1,17 @@
 import {input, templateCompositeFrom} from '#composite';
 
-import find from '#find';
-
-import {exitWithoutDependency} from '#composite/control-flow';
 import {withFlattenedList, withPropertyFromList} from '#composite/data';
 import {withResolvedReferenceList} from '#composite/wiki-data';
 
+import withTrackSections from './withTrackSections.js';
+
 export default templateCompositeFrom({
   annotation: `withTracks`,
 
   outputs: ['#tracks'],
 
   steps: () => [
-    withResolvedReferenceList({
-      list: 'trackSections',
-      data: 'ownTrackSectionData',
-      find: input.value(find.unqualifiedTrackSection),
-    }).outputs({
-      ['#resolvedReferenceList']: '#trackSections',
-    }),
+    withTrackSections(),
 
     withPropertyFromList({
       list: '#trackSections',