Improvements in performance

src/hooks/useDetails.ts

@@ -1,4 +0,0 @@
-import {Entity} from "../types";
-import details from "../../res/details.json";
-
-export const useDetails = () => details as Entity[]

src/hooks/useFactories.ts

@@ -0,0 +1,23 @@
+import {EnrichedEntity, Entity} from "../types";
+import details from "../../res/details.json";
+
+const factories = details as Entity[]
+
+const detailsMap = Object
+  .fromEntries(
+    factories.map((detail: EnrichedEntity) => {
+      detail.usedBy = factories
+        .filter(f => Object
+          .keys(f.recipe?.prerequisites ?? {})
+          .includes(detail.href)
+        )
+      return [detail.href, detail];
+    })
+  )
+
+export const useFactories = () => ({
+  factories: factories,
+  findFactory: (uid: string): EnrichedEntity|undefined => {
+    return detailsMap[uid]
+  }
+})

src/types.ts

@@ -14,17 +14,11 @@ export interface Entity extends UnfetchedEntity {
   recipe?: Recipe
 }
 
-export type Group = OldGroup|NewGroup
-
-export interface OldGroup {
-  name: string
-  isExported?: boolean
-  factories: string[]
-  intermediates: string[]
-  inputs: string[]
+export interface EnrichedEntity extends Entity {
+  usedBy?: Entity[]
 }
 
-export interface NewGroup {
+export interface Group {
   name: string
   inputs: string[]
   intermediates: string[]