const require_utils = require('./utils.cjs');

//#region src/dom.ts
async function safeWrapper(callback, disableWarn) {
	try {
		return await callback();
	} catch (e) {
		!disableWarn && require_utils.warn(e);
		return;
	}
}
function isStaticResourcesEqual(url1, url2) {
	const REG_EXP = /^(https?:)?\/\//i;
	return url1.replace(REG_EXP, "").replace(/\/$/, "") === url2.replace(REG_EXP, "").replace(/\/$/, "");
}
function createScript(info) {
	let script = null;
	let needAttach = true;
	let timeout = 2e4;
	let timeoutId;
	const scripts = document.getElementsByTagName("script");
	for (let i = 0; i < scripts.length; i++) {
		const s = scripts[i];
		const scriptSrc = s.getAttribute("src");
		if (scriptSrc && isStaticResourcesEqual(scriptSrc, info.url)) {
			script = s;
			needAttach = false;
			break;
		}
	}
	if (!script) {
		const attrs = info.attrs;
		script = document.createElement("script");
		script.type = attrs?.["type"] === "module" ? "module" : "text/javascript";
		let createScriptRes = void 0;
		if (info.createScriptHook) {
			createScriptRes = info.createScriptHook(info.url, info.attrs);
			if (createScriptRes instanceof HTMLScriptElement) script = createScriptRes;
			else if (typeof createScriptRes === "object") {
				if ("script" in createScriptRes && createScriptRes.script) script = createScriptRes.script;
				if ("timeout" in createScriptRes && createScriptRes.timeout) timeout = createScriptRes.timeout;
			}
		}
		if (!script.src) script.src = info.url;
		if (attrs && !createScriptRes) Object.keys(attrs).forEach((name) => {
			if (script) {
				if (name === "async" || name === "defer") script[name] = attrs[name];
				else if (!script.getAttribute(name)) script.setAttribute(name, attrs[name]);
			}
		});
	}
	let executionError = null;
	const executionErrorHandler = typeof window !== "undefined" ? (evt) => {
		if (evt.filename && isStaticResourcesEqual(evt.filename, info.url)) {
			const err = /* @__PURE__ */ new Error(`ScriptExecutionError: Script "${info.url}" loaded but threw a runtime error during execution: ${evt.message} (${evt.filename}:${evt.lineno}:${evt.colno})`);
			err.name = "ScriptExecutionError";
			executionError = err;
		}
	} : null;
	if (executionErrorHandler) window.addEventListener("error", executionErrorHandler);
	const onScriptComplete = async (prev, event) => {
		clearTimeout(timeoutId);
		if (executionErrorHandler) window.removeEventListener("error", executionErrorHandler);
		const onScriptCompleteCallback = () => {
			if (event?.type === "error") {
				const networkError = /* @__PURE__ */ new Error(event?.isTimeout ? `ScriptNetworkError: Script "${info.url}" timed out.` : `ScriptNetworkError: Failed to load script "${info.url}" - the script URL is unreachable or the server returned an error (network failure, 404, CORS, etc.)`);
				networkError.name = "ScriptNetworkError";
				info?.onErrorCallback && info?.onErrorCallback(networkError);
			} else if (executionError) info?.onErrorCallback && info?.onErrorCallback(executionError);
			else info?.cb && info?.cb();
		};
		if (script) {
			script.onerror = null;
			script.onload = null;
			safeWrapper(() => {
				const { needDeleteScript = true } = info;
				if (needDeleteScript) script?.parentNode && script.parentNode.removeChild(script);
			});
			if (prev && typeof prev === "function") {
				const result = prev(event);
				if (result instanceof Promise) {
					const res = await result;
					onScriptCompleteCallback();
					return res;
				}
				onScriptCompleteCallback();
				return result;
			}
		}
		onScriptCompleteCallback();
	};
	script.onerror = onScriptComplete.bind(null, script.onerror);
	script.onload = onScriptComplete.bind(null, script.onload);
	timeoutId = setTimeout(() => {
		onScriptComplete(null, {
			type: "error",
			isTimeout: true
		});
	}, timeout);
	return {
		script,
		needAttach
	};
}
function createLink(info) {
	let link = null;
	let needAttach = true;
	let timeout = 2e4;
	let timeoutId;
	const links = document.getElementsByTagName("link");
	for (let i = 0; i < links.length; i++) {
		const l = links[i];
		const linkHref = l.getAttribute("href");
		const linkRel = l.getAttribute("rel");
		if (linkHref && isStaticResourcesEqual(linkHref, info.url) && linkRel === info.attrs["rel"]) {
			link = l;
			needAttach = false;
			break;
		}
	}
	if (!link) {
		link = document.createElement("link");
		link.setAttribute("href", info.url);
		let createLinkRes = void 0;
		let shouldApplyAttrs = true;
		const attrs = info.attrs;
		if (info.createLinkHook) {
			createLinkRes = info.createLinkHook(info.url, attrs);
			if (createLinkRes instanceof HTMLLinkElement) {
				link = createLinkRes;
				shouldApplyAttrs = false;
			} else if (typeof createLinkRes === "object") {
				if ("link" in createLinkRes && createLinkRes.link) {
					link = createLinkRes.link;
					shouldApplyAttrs = false;
				}
				if ("timeout" in createLinkRes && createLinkRes.timeout) timeout = createLinkRes.timeout;
			}
		}
		if (attrs && shouldApplyAttrs) Object.keys(attrs).forEach((name) => {
			if (link && !link.getAttribute(name)) link.setAttribute(name, attrs[name]);
		});
	}
	if (!needAttach) {
		Promise.resolve().then(() => {
			info?.cb && info?.cb();
		});
		return {
			link,
			needAttach
		};
	}
	const onLinkComplete = (prev, event) => {
		if (timeoutId) clearTimeout(timeoutId);
		const onLinkCompleteCallback = () => {
			if (event?.type === "error") {
				const linkError = /* @__PURE__ */ new Error(event?.isTimeout ? `LinkNetworkError: Link "${info.url}" timed out.` : `LinkNetworkError: Failed to load link "${info.url}" - the URL is unreachable or the server returned an error.`);
				linkError.name = "LinkNetworkError";
				info?.onErrorCallback && info?.onErrorCallback(linkError);
			} else info?.cb && info?.cb();
		};
		if (link) {
			link.onerror = null;
			link.onload = null;
			safeWrapper(() => {
				const { needDeleteLink = true } = info;
				if (needDeleteLink) link?.parentNode && link.parentNode.removeChild(link);
			});
			if (prev) {
				const res = prev(event);
				onLinkCompleteCallback();
				return res;
			}
		}
		onLinkCompleteCallback();
	};
	link.onerror = onLinkComplete.bind(null, link.onerror);
	link.onload = onLinkComplete.bind(null, link.onload);
	timeoutId = setTimeout(() => {
		onLinkComplete(null, {
			type: "error",
			isTimeout: true
		});
	}, timeout);
	return {
		link,
		needAttach
	};
}
function loadScript(url, info) {
	const { attrs = {}, createScriptHook } = info;
	return new Promise((resolve, reject) => {
		const { script, needAttach } = createScript({
			url,
			cb: resolve,
			onErrorCallback: reject,
			attrs: {
				fetchpriority: "high",
				...attrs
			},
			createScriptHook,
			needDeleteScript: true
		});
		needAttach && document.head.appendChild(script);
	});
}

//#endregion
exports.createLink = createLink;
exports.createScript = createScript;
exports.isStaticResourcesEqual = isStaticResourcesEqual;
exports.loadScript = loadScript;
exports.safeWrapper = safeWrapper;
//# sourceMappingURL=dom.cjs.map