Function loadWithFallback

packages/melonjs/tests/imageFallback.node-test.js:112–130

* Mirrors the fallback chain logic from preloadImage in image.js: * try each source sequentially, stop at the first that succeeds.

(
	name,
	sources,
	fileServer,
	supportedFormats,
	imgCache,
)

 * try each source sequentially, stop at the first that succeeds.
 */
function loadWithFallback(
	name,
	sources,
	fileServer,
	supportedFormats,
	imgCache,
) {
	let chain = Promise.reject();
	const triedSources = [];
	for (const src of sources) {
		chain = chain.catch(() => {
			triedSources.push(src);
			return tryLoadSource(src, name, fileServer, supportedFormats, imgCache);
		});
	}
	return chain.then(() => {
		return triedSources;
	});
}

// ── synthetic compressed texture builders ───────────────────────────────────