merge with master, but haven't reconciled internal and external linking

1 files changed, 18 insertions, 0 deletions

diff --git a/src/new_fields/RefField.ts b/src/new_fields/RefField.ts
new file mode 100644
index 000000000..202c65f21
--- /dev/null
+++ b/src/new_fields/RefField.ts
@@ -0,0 +1,18 @@
+import { serializable, primitive, alias } from "serializr";
+import { Utils } from "../Utils";
+
+export type FieldId = string;
+export const HandleUpdate = Symbol("HandleUpdate");
+export const Id = Symbol("Id");
+export abstract class RefField {
+    @serializable(alias("id", primitive()))
+    private __id: FieldId;
+    readonly [Id]: FieldId;
+
+    constructor(id?: FieldId) {
+        this.__id = id || Utils.GenerateGuid();
+        this[Id] = this.__id;
+    }
+
+    protected [HandleUpdate]?(diff: any): void;
+}