Code coverage report for core/src/decorators/lookup.ts

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export class Lookup<Factory, Instance> {
  protected readonly factories = new WeakMap<any, Record<string, Factory | null>>();
  protected readonly instances = new WeakMap<any, Record<string, Instance | null>>();
 
 
  constructor(private readonly lookupFactory?: () => Factory | undefined) {}
 
 
  getInstance(thisArg: any, name: string, create: () => Instance | undefined): Instance | undefined {
    let map = this.instances.get(thisArg);
    Eif (!map) {
      map = {};
      this.instances.set(this, map);
    }
    let instance = map ? map[name] : undefined;
    Eif (instance === undefined) {
      instance = create();
      map[name] = instance || null;
    }
    return instance || undefined;
  }
 
 
  getFactory(thisArg: any, name: string, prefer?: Factory): Factory | undefined {
    let map = this.factories.get(thisArg);
    Eif (!map) {
      map = {};
      this.factories.set(this, map);
    }
    let factory: Factory | null | undefined = prefer || map[name];
    Eif (factory === undefined && this.lookupFactory) {
      factory = this.lookupFactory();
      map[name] = factory || null;
    }
    return factory || undefined;
  }
 
}