From 147cd8618023884b9eb60a79d5efe53abefe9c47 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Wed, 24 Mar 2021 18:50:27 -0400
Subject: redid how LinkManager stores links on documents by putting them on
 the Doc itself instead of as a computedFn.  This has a signifcant effect on
 efficiency since adding a link to one document will no longer invalidate
 every other view that references *any* document's links

---
 src/fields/Doc.ts  | 2 ++
 src/fields/util.ts | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/fields')

diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index 953d96ffa..d0ccce9cf 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -85,6 +85,7 @@ export const DataSym = Symbol("Data");
 export const LayoutSym = Symbol("Layout");
 export const FieldsSym = Symbol("Fields");
 export const AclSym = Symbol("Acl");
+export const DirectLinksSym = Symbol("DirectLinks");
 export const AclUnset = Symbol("AclUnset");
 export const AclPrivate = Symbol("AclOwnerOnly");
 export const AclReadonly = Symbol("AclReadOnly");
@@ -185,6 +186,7 @@ export class Doc extends RefField {
     @observable private ___fields: any = {};
     @observable private ___fieldKeys: any = {};
     @observable public [AclSym]: { [key: string]: symbol };
+    @observable public [DirectLinksSym]: Set<Doc> = new Set();
 
     private [UpdatingFromServer]: boolean = false;
     private [ForceServerWrite]: boolean = false;
diff --git a/src/fields/util.ts b/src/fields/util.ts
index 631cb7160..6c9c9d45c 100644
--- a/src/fields/util.ts
+++ b/src/fields/util.ts
@@ -19,12 +19,11 @@ function _readOnlySetter(): never {
     throw new Error("Documents can't be modified in read-only mode");
 }
 
-const tracing = false;
+const tracing = true;
 export function TraceMobx() {
     tracing && trace();
 }
 
-
 export interface GetterResult {
     value: FieldResult;
     shouldReturn?: boolean;
-- 
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