Fixed mentions example (#2877)

packages/slate/src/commands/on-value.js

@@ -58,6 +58,18 @@ Commands.setAnnotation = (editor, annotation, newProperties) => {
   })
 }
 
+Commands.setAnnotations = (editor, annotations = []) => {
+  const { value } = editor
+  const newProperties = Value.createProperties({ annotations })
+  const prevProperties = pick(value, Object.keys(newProperties))
+
+  editor.applyOperation({
+    type: 'set_value',
+    properties: prevProperties,
+    newProperties,
+  })
+}
+
 /**
  * Export.
  *

packages/slate/src/models/value.js

@@ -68,7 +68,7 @@ class Value extends Record(DEFAULTS) {
     if (isPlainObject(a)) {
       const p = {}
       if ('annotations' in a)
-        p.annotations = Annotation.createList(a.annotations)
+        p.annotations = Annotation.createMap(a.annotations)
       if ('data' in a) p.data = Data.create(a.data)
       return p
     }