Function forceLoadFile

src/piper.js:3120–3136

(obj)

				return FS.mkdev(path, mode, dev);
			},
			forceLoadFile(obj) {
				if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
				if (typeof XMLHttpRequest != 'undefined') {
					throw new Error(
						'Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.',
					);
				} else if (read_) {
					try {
						obj.contents = intArrayFromString(read_(obj.url), true);
						obj.usedBytes = obj.contents.length;
					} catch (e) {
						throw new FS.ErrnoError(29);
					}
				} else {
					throw new Error('Cannot load without read() or XMLHttpRequest.');
				}
			},
			createLazyFile(parent, name, url, canRead, canWrite) {
				function LazyUint8Array() {
					this.lengthKnown = false;