the-world-engine/dist/esm/engine/script/helper/AsyncImageLoader.js

three.js based, unity like game engine for browser

export class AsyncImageLoader {
    static loadImageFromPath(e) {
        return new Promise(((a, r) => {
            const o = new Image;
            o.onload = () => {
                a(o);
            };
            o.onerror = () => {
                r(new Error(`Failed to load image "${e}".`));
            };
            o.src = e;
        }));
    }
    static loadImagesFromPath(e) {
        return Promise.all(e.map((e => AsyncImageLoader.loadImageFromPath(e))));
    }
    static loadImage(e) {
        return new Promise(((a, r) => {
            e.onload = () => {
                a(e);
            };
            e.onerror = () => {
                r(new Error("Failed to load image."));
            };
        }));
    }
    static loadImages(e) {
        return Promise.all(e.map((e => AsyncImageLoader.loadImage(e))));
    }
}