2 files changed, 32 insertions, 0 deletions
diff --git a/src/data/composite/wiki-properties/index.js b/src/data/composite/wiki-properties/index.js
index 89cb6838..5328d17e 100644
--- a/src/data/composite/wiki-properties/index.js
+++ b/src/data/composite/wiki-properties/index.js
@@ -24,5 +24,6 @@ export {default as reverseReferenceList} from './reverseReferenceList.js';
 export {default as simpleDate} from './simpleDate.js';
 export {default as simpleString} from './simpleString.js';
 export {default as singleReference} from './singleReference.js';
+export {default as thing} from './thing.js';
 export {default as urls} from './urls.js';
 export {default as wikiData} from './wikiData.js';
diff --git a/src/data/composite/wiki-properties/thing.js b/src/data/composite/wiki-properties/thing.js
new file mode 100644
index 00000000..5b5d77dd
--- /dev/null
+++ b/src/data/composite/wiki-properties/thing.js
@@ -0,0 +1,31 @@
+// An individual Thing, provided directly rather than by reference.
+
+import {input, templateCompositeFrom} from '#composite';
+import {isThingClass, validateThing} from '#validators';
+
+export default templateCompositeFrom({
+  annotation: `wikiData`,
+
+  compose: false,
+
+  inputs: {
+    class: input.staticValue({
+      validate: isThingClass,
+      defaultValue: null,
+    }),
+  },
+
+  update: ({
+    [input.staticValue('class')]: thingClass,
+  }) => ({
+    validate:
+      validateThing({
+        referenceType:
+          (thingClass
+            ? thingClass[Symbol.for('Thing.referenceType')]
+            : ''),
+      }),
+  }),
+
+  steps: () => [],
+});