1 files changed, 66 insertions, 0 deletions
diff --git a/src/data/composite/things/contribution/thingReferenceTypeMatches.js b/src/data/composite/things/contribution/thingReferenceTypeMatches.js
new file mode 100644
index 00000000..4042e78f
--- /dev/null
+++ b/src/data/composite/things/contribution/thingReferenceTypeMatches.js
@@ -0,0 +1,66 @@
+import {input, templateCompositeFrom} from '#composite';
+
+import {exitWithoutDependency} from '#composite/control-flow';
+import {withPropertyFromObject} from '#composite/data';
+
+export default templateCompositeFrom({
+  annotation: `thingReferenceTypeMatches`,
+
+  compose: false,
+
+  inputs: {
+    value: input({type: 'string'}),
+  },
+
+  steps: () => [
+    exitWithoutDependency({
+      dependency: 'thing',
+      value: input.value(false),
+    }),
+
+    withPropertyFromObject({
+      object: 'thing',
+      property: input.value('constructor'),
+    }),
+
+    {
+      dependencies: [
+        '#thing.constructor',
+        input('value'),
+      ],
+
+      compute: (continuation, {
+        ['#thing.constructor']: constructor,
+        [input('value')]: value,
+      }) =>
+        (constructor[Symbol.for('Thing.referenceType')] === value
+          ? continuation.exit(true)
+       : constructor[Symbol.for('Thing.referenceType')] === 'artwork'
+          ? continuation()
+          : continuation.exit(false)),
+    },
+
+    withPropertyFromObject({
+      object: 'thing',
+      property: input.value('thing'),
+    }),
+
+    withPropertyFromObject({
+      object: '#thing.thing',
+      property: input.value('constructor'),
+    }),
+
+    {
+      dependencies: [
+        '#thing.thing.constructor',
+        input('value'),
+      ],
+
+      compute: ({
+        ['#thing.thing.constructor']: constructor,
+        [input('value')]: value,
+      }) =>
+        constructor[Symbol.for('Thing.referenceType')] === value,
+    },
+  ],
+});