1 files changed, 36 insertions, 0 deletions
diff --git a/src/new_fields/List.ts b/src/new_fields/List.ts
new file mode 100644
index 000000000..f01ac210a
--- /dev/null
+++ b/src/new_fields/List.ts
@@ -0,0 +1,36 @@
+import { Deserializable, autoObject } from "../client/util/SerializationHelper";
+import { Field, ObjectField, Update, OnUpdate, Self } from "./Doc";
+import { setter, getter } from "./util";
+import { serializable, alias, list } from "serializr";
+import { observable } from "mobx";
+
+@Deserializable("list")
+class ListImpl<T extends Field> extends ObjectField {
+    constructor(fields: T[] = []) {
+        super();
+        this.__fields = fields;
+        const list = new Proxy<this>(this, {
+            set: setter,
+            get: getter,
+            deleteProperty: () => { throw new Error("Currently properties can't be deleted from documents, assign to undefined instead"); },
+            defineProperty: () => { throw new Error("Currently properties can't be defined on documents using Object.defineProperty"); },
+        });
+        return list;
+    }
+
+    [key: number]: T | null | undefined;
+
+    @serializable(alias("fields", list(autoObject())))
+    @observable
+    private __fields: (T | null | undefined)[];
+
+    private [Update] = (diff: any) => {
+        console.log(diff);
+        const update = this[OnUpdate];
+        update && update(diff);
+    }
+
+    private [Self] = this;
+}
+export type List<T extends Field> = ListImpl<T> & T[];
+export const List: { new <T extends Field>(fields?: T[]): List<T> } = ListImpl as any;
+\ No newline at end of file