emaui/node_modules/@module-federation/sdk/dist/node.js

//#region src/node.ts
const sdkImportCache = /* @__PURE__ */ new Map();
function importNodeModule(name) {
	if (!name) throw new Error("import specifier is required");
	if (sdkImportCache.has(name)) return sdkImportCache.get(name);
	const promise = new Function("name", `return import(name)`)(name).then((res) => res).catch((error) => {
		console.error(`Error importing module ${name}:`, error);
		sdkImportCache.delete(name);
		throw error;
	});
	sdkImportCache.set(name, promise);
	return promise;
}
const loadNodeFetch = async () => {
	const fetchModule = await importNodeModule("node-fetch");
	return fetchModule.default || fetchModule;
};
const lazyLoaderHookFetch = async (input, init, loaderHook) => {
	const hook = (url, init) => {
		return loaderHook.lifecycle.fetch.emit(url, init);
	};
	const res = await hook(input, init || {});
	if (!res || !(res instanceof Response)) return (typeof fetch === "undefined" ? await loadNodeFetch() : fetch)(input, init || {});
	return res;
};
const createScriptNode = typeof ENV_TARGET === "undefined" || ENV_TARGET !== "web" ? (url, cb, attrs, loaderHook) => {
	if (loaderHook?.createScriptHook) {
		const hookResult = loaderHook.createScriptHook(url);
		if (hookResult && typeof hookResult === "object" && "url" in hookResult) url = hookResult.url;
	}
	let urlObj;
	try {
		urlObj = new URL(url);
	} catch (e) {
		console.error("Error constructing URL:", e);
		cb(/* @__PURE__ */ new Error(`Invalid URL: ${e}`));
		return;
	}
	const getFetch = async () => {
		if (loaderHook?.fetch) return (input, init) => lazyLoaderHookFetch(input, init, loaderHook);
		return typeof fetch === "undefined" ? loadNodeFetch() : fetch;
	};
	const handleScriptFetch = async (f, urlObj) => {
		try {
			const res = await f(urlObj.href);
			const data = await res.text();
			const [path, vm] = await Promise.all([importNodeModule("path"), importNodeModule("vm")]);
			const scriptContext = {
				exports: {},
				module: { exports: {} }
			};
			const urlDirname = urlObj.pathname.split("/").slice(0, -1).join("/");
			const filename = path.basename(urlObj.pathname);
			const script = new vm.Script(`(function(exports, module, require, __dirname, __filename) {${data}\n})`, {
				filename,
				importModuleDynamically: vm.constants?.USE_MAIN_CONTEXT_DEFAULT_LOADER ?? importNodeModule
			});
			let requireFn;
			requireFn = (await importNodeModule("node:module")).createRequire(urlObj.protocol === "file:" || urlObj.protocol === "node:" ? urlObj.href : path.join(process.cwd(), "__mf_require_base__.js"));
			script.runInThisContext()(scriptContext.exports, scriptContext.module, requireFn, urlDirname, filename);
			const exportedInterface = scriptContext.module.exports || scriptContext.exports;
			if (attrs && exportedInterface && attrs["globalName"]) {
				cb(void 0, exportedInterface[attrs["globalName"]] || exportedInterface);
				return;
			}
			cb(void 0, exportedInterface);
		} catch (e) {
			cb(e instanceof Error ? e : /* @__PURE__ */ new Error(`Script execution error: ${e}`));
		}
	};
	getFetch().then(async (f) => {
		if (attrs?.["type"] === "esm" || attrs?.["type"] === "module") return loadModule(urlObj.href, {
			fetch: f,
			vm: await importNodeModule("vm")
		}).then(async (module) => {
			await module.evaluate();
			cb(void 0, module.namespace);
		}).catch((e) => {
			cb(e instanceof Error ? e : /* @__PURE__ */ new Error(`Script execution error: ${e}`));
		});
		handleScriptFetch(f, urlObj);
	}).catch((err) => {
		cb(err);
	});
} : (url, cb, attrs, loaderHook) => {
	cb(/* @__PURE__ */ new Error("createScriptNode is disabled in non-Node.js environment"));
};
const loadScriptNode = typeof ENV_TARGET === "undefined" || ENV_TARGET !== "web" ? (url, info) => {
	return new Promise((resolve, reject) => {
		createScriptNode(url, (error, scriptContext) => {
			if (error) reject(error);
			else {
				const remoteEntryKey = info?.attrs?.["globalName"] || `__FEDERATION_${info?.attrs?.["name"]}:custom__`;
				resolve(globalThis[remoteEntryKey] = scriptContext);
			}
		}, info.attrs, info.loaderHook);
	});
} : (url, info) => {
	throw new Error("loadScriptNode is disabled in non-Node.js environment");
};
const esmModuleCache = /* @__PURE__ */ new Map();
async function loadModule(url, options) {
	if (esmModuleCache.has(url)) return esmModuleCache.get(url);
	const { fetch, vm } = options;
	const code = await (await fetch(url)).text();
	const module = new vm.SourceTextModule(code, { importModuleDynamically: async (specifier, script) => {
		const resolvedUrl = new URL(specifier, url).href;
		return loadModule(resolvedUrl, options);
	} });
	esmModuleCache.set(url, module);
	await module.link(async (specifier) => {
		const resolvedUrl = new URL(specifier, url).href;
		return await loadModule(resolvedUrl, options);
	});
	return module;
}

//#endregion
export { createScriptNode, loadScriptNode };
//# sourceMappingURL=node.js.map