Class AssetPreloader

new AssetPreloader(): AssetPreloader

add(id: string, loader: () => Promise<unknown>): void

on(
    type: "progress" | "error" | "asset" | "done",
    handler: (data: unknown) => void,
): () => void

onProgress(handler: Listener<AssetProgressEvent>): () => void

onAsset(handler: Listener<AssetLoadedEvent>): () => void

onError(handler: Listener<AssetErrorEvent>): () => void

onDone(handler: Listener<AssetDoneEvent>): () => void

start(): Promise<AssetDoneEvent>

stats(): {
    total: number;
    completed: number;
    succeeded: number;
    failed: number;
    started: boolean;
}

get(id: string): unknown