From d1a7d77b735bf1c10b22ea227a9d475581e8674d Mon Sep 17 00:00:00 2001
From: Patrick O'Brien <paddy@tines.io>
Date: Fri, 27 Aug 2021 18:42:35 +0100
Subject: [PATCH] fix: Faster method of building dependencies array

---
 packages/shaker/src/DepsGraph.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/shaker/src/DepsGraph.ts b/packages/shaker/src/DepsGraph.ts
index 45fbe2161..58d9eae3a 100644
--- a/packages/shaker/src/DepsGraph.ts
+++ b/packages/shaker/src/DepsGraph.ts
@@ -130,10 +130,11 @@ export default class DepsGraph {
 
   getDependencies(nodes: t.Node[]) {
     this.processQueue();
-    return nodes.reduce(
-      (acc, node) => acc.concat(Array.from(this.dependencies.get(node) || [])),
-      [] as t.Node[]
+    const reduced: t.Node[] = [];
+    nodes.forEach((n) =>
+      reduced.push(...Array.from(this.dependencies.get(n) || []))
     );
+    return reduced;
   }
 
   getLeaf(name: string): t.Node | undefined {