perf(proxy-state-tree): single mutationtree in production

christianalfoni · christianalfoni · commit 7561101532a9 · 2018-12-20T22:39:48.000+01:00
diff --git a/packages/node_modules/proxy-state-tree/src/index.ts b/packages/node_modules/proxy-state-tree/src/index.ts
@@ -82,6 +82,11 @@ export class ProxyStateTree<T extends object> implements IProxyStateTree<T> {
     )
   }
   getMutationTree(): ITrackMutationTree<T> {
+    if (IS_PRODUCTION) {
+      return ((this as any).__cachedProductionTree =
+        (this as any).__cachedProductionTree || new TrackMutationTree(this))
+    }
+
     const tree =
       this.cache.trackMutationTree.pop() || new TrackMutationTree(this)
 

Original file line number	Diff line number	Diff line change
`@@ -82,6 +82,11 @@ export class ProxyStateTree<T extends object> implements IProxyStateTree<T> {`
`82`	`82`	`)`
`83`	`83`	`}`
`84`	`84`	`getMutationTree(): ITrackMutationTree<T> {`
	`85`	`+ if (IS_PRODUCTION) {`
	`86`	`+ return ((this as any).__cachedProductionTree =`
	`87`	`+ (this as any).__cachedProductionTree \|\| new TrackMutationTree(this))`
	`88`	`+ }`
	`89`	`+`
`85`	`90`	`const tree =`
`86`	`91`	`this.cache.trackMutationTree.pop() \|\| new TrackMutationTree(this)`
`87`	`92`