From a1bfa1d0d68890ebd5811bd46455d10be4bbc17d Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <qznebula@protonmail.com>
Date: Wed, 4 Oct 2023 13:16:50 -0300
Subject: support art tag info pages; ensure "art tag" terminology everywhere

---
 .../things/art-tag/withAllDescendantArtTags.js     | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/data/composite/things/art-tag/withAllDescendantArtTags.js

(limited to 'src/data/composite/things/art-tag/withAllDescendantArtTags.js')

diff --git a/src/data/composite/things/art-tag/withAllDescendantArtTags.js b/src/data/composite/things/art-tag/withAllDescendantArtTags.js
new file mode 100644
index 00000000..c643cf23
--- /dev/null
+++ b/src/data/composite/things/art-tag/withAllDescendantArtTags.js
@@ -0,0 +1,45 @@
+// Gets all the art tags which descend from this one - that means its own direct
+// descendants, but also all the direct and indirect desceands of each of those!
+// The results aren't specially sorted, but they won't contain any duplicates
+// (for example if two descendant tags both route deeper to end up including
+// some of the same tags).
+
+import {input, templateCompositeFrom} from '#composite';
+import find from '#find';
+import {unique} from '#sugar';
+
+import {raiseOutputWithoutDependency} from '#composite/control-flow';
+import {withResolvedReferenceList} from '#composite/wiki-data';
+
+export default templateCompositeFrom({
+  annotation: `withAllDescendantArtTags`,
+
+  outputs: ['#allDescendantArtTags'],
+
+  steps: () => [
+    raiseOutputWithoutDependency({
+      dependency: 'directDescendantArtTags',
+      mode: input.value('empty'),
+      output: input.value({'#allDescendantArtTags': []})
+    }),
+
+    withResolvedReferenceList({
+      list: 'directDescendantArtTags',
+      data: 'artTagData',
+      find: input.value(find.artTag),
+    }),
+
+    {
+      dependencies: ['#resolvedReferenceList'],
+      compute: (continuation, {
+        ['#resolvedReferenceList']: directDescendantArtTags,
+      }) => continuation({
+        ['#allDescendantArtTags']:
+          unique([
+            ...directDescendantArtTags,
+            ...directDescendantArtTags.flatMap(artTag => artTag.allDescendantArtTags),
+          ]),
+      }),
+    },
+  ],
+})
-- 
cgit 1.3.0-6-gf8a5