fix: made type-metadata.storage.ts much faster

Changed the data modeling of type-metadata storage to store the data in maps instead of arrays.
This results in a dramatic improvement of application startup time since many of the lookups for metadata are now in O(1) instead of O(n)

Author: roypeled

packages/graphql/lib/schema-builder/collections/array.collection.ts renamed to packages/graphql/lib/schema-builder/collections/array-with-global-cache.collection.ts

@@ -1,4 +1,4 @@
-export class ArrayCollection<T> {
+export class ArrayWithGlobalCacheCollection<T> {
   private readonly array: T[] = [];
 
   constructor(private globalArray: Array<T>) {}

packages/graphql/lib/schema-builder/collections/index.ts

@@ -1,6 +1,6 @@
 export * from './metadata.storage.collection.list';
 export * from './field-directive.collection';
-export * from './array.collection';
+export * from './array-with-global-cache.collection';
 export * from './metada.collection.model.interface';
 export * from './metadata-by-name.collection';
 export * from './metadata-list-by-name.collection';

packages/graphql/lib/schema-builder/collections/metadata.storage.collection.ts

@@ -11,7 +11,7 @@ import {
 import { MetadataListByNameCollection } from './metadata-list-by-name.collection';
 import { FieldDirectiveCollection } from './field-directive.collection';
 import { ObjectTypeMetadata } from '../metadata/object-type.metadata';
-import { ArrayCollection } from './array.collection';
+import { ArrayWithGlobalCacheCollection } from './array-with-global-cache.collection';
 import { MetadataCollectionModelInterface } from './metada.collection.model.interface';
 
 export class MetadataStorageCollection {
@@ -24,10 +24,10 @@ export class MetadataStorageCollection {
     new MetadataListByNameCollection<PropertyExtensionsMetadata>(
       this.all.fieldExtensions,
     );
-  classDirectives = new ArrayCollection<ClassDirectiveMetadata>(
+  classDirectives = new ArrayWithGlobalCacheCollection<ClassDirectiveMetadata>(
     this.all.classDirectives,
   );
-  classExtensions = new ArrayCollection<ClassExtensionsMetadata>(
+  classExtensions = new ArrayWithGlobalCacheCollection<ClassExtensionsMetadata>(
     this.all.classExtensions,
   );