1 files changed, 21 insertions, 0 deletions
diff --git a/src/fields/RefField.ts b/src/fields/RefField.ts
new file mode 100644
index 000000000..b6ef69750
--- /dev/null
+++ b/src/fields/RefField.ts
@@ -0,0 +1,21 @@
+import { serializable, primitive, alias } from "serializr";
+import { Utils } from "../Utils";
+import { Id, HandleUpdate, ToScriptString, ToString } from "./FieldSymbols";
+import { afterDocDeserialize } from "../client/util/SerializationHelper";
+
+export type FieldId = string;
+export abstract class RefField {
+    @serializable(alias("id", primitive({ afterDeserialize: afterDocDeserialize })))
+    private __id: FieldId;
+    readonly [Id]: FieldId;
+
+    constructor(id?: FieldId) {
+        this.__id = id || Utils.GenerateGuid();
+        this[Id] = this.__id;
+    }
+
+    protected [HandleUpdate]?(diff: any): void | Promise<void>;
+
+    abstract [ToScriptString](): string;
+    abstract [ToString](): string;
+}