From 8dfc0b0e9e3dc362ddb6074467b6be4213415b1c Mon Sep 17 00:00:00 2001
From: bob <bcz@cs.brown.edu>
Date: Fri, 8 Mar 2019 17:54:11 -0500
Subject: testing

---
 src/fields/ListField.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/fields')

diff --git a/src/fields/ListField.ts b/src/fields/ListField.ts
index a71325a65..6b8773920 100644
--- a/src/fields/ListField.ts
+++ b/src/fields/ListField.ts
@@ -49,6 +49,20 @@ export class ListField<T extends Field> extends BasicField<T[]> {
     }
 
     UpdateFromServer(fields: string[]) {
+        if (this._proxies.length < fields.length) {
+            var added = true;
+            for (let i = 0; i < this._proxies.length; i++) {
+                if (this._proxies[i] != fields[i]) {
+                    added = false;
+                    break;
+                }
+            }
+            if (added) {
+                for (let i = this._proxies.length; i < fields.length; i++)
+                    this._proxies.push(fields[i]);
+                return;
+            }
+        }
         this._proxies = fields;
     }
     private arraysEqual(a: any[], b: any[]) {
-- 
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