//deka-dom-el library is available via global namespace `dde`
(()=> {
	// src/helpers.js
	function h(e) {
		let t = typeof e;
		return t !== "object" ? t : e === null ? "null" : Object.prototype.toString.call(e);
	}
	
	// src/signals-common.js
	var m = {
		isReactiveAtrribute(e, t) {
			return !1;
		},
		isTextContent(e) {
			return h(e) !== "[object Object]";
		},
		processReactiveAttribute(e, t, n, r) {
			return !1;
		},
		reactiveElement(e, ...t) {
			return document.createDocumentFragment();
		}
	};
	function A(e, t = !0) {
		return t ? Object.assign(m, e) : (Object.setPrototypeOf(e, m), e);
	}
	function C(e) {
		return m.isPrototypeOf(e) && e !== m ? e : m;
	}
	
	// src/dom.js
	var w = "html";
	function Y(e) {
		return w = e === "svg" ? "http://www.w3.org/2000/svg" : e, {
			append(t) {
				return w = "html", t;
			}
		};
	}
	function ee(e, t, ...n) {
		let r = C(this), o;
		if (e === "<>") {
			if (r.isReactiveAtrribute(t))
				return r.reactiveElement(t, ...n);
			o = document.createDocumentFragment();
		}
		switch (r.isTextContent(t) && (t = { textContent: t }), !0) {
			case typeof e == "function":
				o = e(t || void 0);
				break;
			case e === "#text":
				o = N(document.createTextNode(""), t);
				break;
			case w !== "html":
				o = N(document.createElementNS(w, e), t);
				break;
			case !o:
				o = N(document.createElement(e), t);
		}
		return n.forEach((l) => l(o)), o;
	}
	var S = /* @__PURE__ */ new Map();
	function N(e, ...t) {
		let n = C(this);
		if (!t.length)
			return e;
		let r = e instanceof SVGElement, o = (r ? I : _).bind(null, e, "Attribute");
		return Object.entries(Object.assign({}, ...t)).forEach(function l([f, u]) {
			n.isReactiveAtrribute(u, f) && (u = n.processReactiveAttribute(el, f, u, l));
			let [p] = f;
			if (p === "=")
				return o(f.slice(1), u);
			if (p === ".")
				return L(e, f.slice(1), u);
			if (typeof u == "object")
				switch (f) {
					case "style":
						return E(u, _.bind(null, e.style, "Property"));
					case "dataset":
						return E(u, L.bind(null, e.dataset));
					case "ariaset":
						return E(u, (x, v) => o("aria-" + x, v));
					case "classList":
						return q(e, u);
					default:
						return Reflect.set(e, f, u);
				}
			if (/(aria|data)([A-Z])/.test(f))
				return f = f.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), o(f, u);
			switch (f) {
				case "xlink:href":
					return o(f, u, "http://www.w3.org/1999/xlink");
				case "textContent":
					if (!r)
						break;
					return e.appendChild(document.createTextNode(u));
			}
			return z(e, f) ? L(e, f, u) : o(f, u);
		}), e;
	}
	function q(e, t) {
		return typeof t != "object" || E(
			t,
			(n, r) => e.classList.toggle(n, r === -1 ? void 0 : !!r)
		), e;
	}
	function te(e) {
		return Array.from(e.children).forEach((t) => t.remove()), e;
	}
	function z(e, t) {
		let n = e.nodeName + "," + t;
		if (S.has(n))
			return S.get(n);
		let r = D(e, t), o = !y(r.set);
		return S.set(n, o), o;
	}
	function D(e, t) {
		if (e = Object.getPrototypeOf(e), !e)
			return {};
		let n = Object.getOwnPropertyDescriptor(e, t);
		return n || D(e, t);
	}
	function E(e, t) {
		return Object.entries(e).forEach(([n, r]) => t(n, r));
	}
	function y(e) {
		return typeof e > "u";
	}
	function _(e, t, n, r) {
		return e[(y(r) ? "remove" : "set") + t](n, r);
	}
	function I(e, t, n, r, o = null) {
		return e[(y(r) ? "remove" : "set") + t + "NS"](o, n, r);
	}
	function L(e, t, n) {
		return Reflect[y(n) ? "deleteProperty" : "set"](e, t, n);
	}
	
	// src/events.js
	function T(e, t, n) {
		return (r) => (r.addEventListener(e, t, n), r);
	}
	var O = W();
	T.connected = function(e, t) {
		return function(r) {
			O.onConnected(r, e), t && t.signal && t.signal.addEventListener("abort", () => O.offConnected(r, e));
		};
	};
	T.disconnected = function(e, t) {
		return function(r) {
			O.onDisconnected(r, e), t && t.signal && t.signal.addEventListener("abort", () => O.offDisconnected(r, e));
		};
	};
	function W() {
		let e = /* @__PURE__ */ new Map(), t = !1, n = new MutationObserver(function(c) {
			for (let i of c)
				if (i.type === "childList") {
					if (x(i.addedNodes, !0)) {
						f();
						continue;
					}
					v(i.removedNodes, !0) && f();
				}
		});
		return {
			onConnected(c, i) {
				l(), o(c).connected.push(i);
			},
			offConnected(c, i) {
				if (!e.has(c))
					return;
				let s = e.get(c), a = s.connected;
				a.splice(a.indexOf(i), 1), r(c, s);
			},
			onDisconnected(c, i) {
				l(), o(c).disconnected.push(i);
			},
			offDisconnected(c, i) {
				if (!e.has(c))
					return;
				let s = e.get(c), a = s.disconnected;
				a.splice(a.indexOf(i), 1), r(c, s);
			}
		};
		function r(c, i) {
			i.connected.length || i.disconnect.length || (e.delete(c), f());
		}
		function o(c) {
			if (e.has(c))
				return e.get(c);
			let i = { connected: [], disconnected: [] };
			return e.set(c, i), i;
		}
		function l() {
			t || (t = !0, n.observe(document.body, { childList: !0, subtree: !0 }));
		}
		function f() {
			!t || e.size || (t = !1, n.disconnect());
		}
		function u() {
			return new Promise(function(c) {
				(requestIdleCallback || requestAnimationFrame)(c);
			});
		}
		async function p(c) {
			e.size > 30 && await u();
			let i = [];
			if (!(c instanceof Node))
				return i;
			for (let s of e.keys())
				s === c || !(s instanceof Node) || c.contains(s) && i.push(s);
			return i;
		}
		function x(c, i) {
			for (let s of c) {
				if (i && p(s).then(x), !e.has(s))
					return !1;
				let a = e.get(s);
				return a.connected.forEach((j) => j(s)), a.connected.length = 0, a.disconnected.length || e.delete(s), !0;
			}
		}
		function v(c, i) {
			for (let s of c) {
				if (i && p(s).then(v), !e.has(s))
					return !1;
				let a = e.get(s);
				return a.disconnected.forEach((j) => j(s)), a.connected.length = 0, a.disconnected.length = 0, e.delete(s), !0;
			}
		}
	}
	
	// index.js
	[HTMLElement, DocumentFragment].forEach((e) => {
		let { append: t } = e.prototype;
		e.prototype.append = function(...n) {
			return t.apply(this, n), this;
		};
	});
	
	// src/signals-lib.js
	var d = Symbol.for("signal");
	function b(e) {
		try {
			return Reflect.has(e, d);
		} catch {
			return !1;
		}
	}
	function R(e, t) {
		if (typeof e != "function")
			return F(e, t);
		if (b(e))
			return e;
		let n = F();
		return M(() => n(e())), n;
	}
	R.action = function(e, t, ...n) {
		if (!b(e))
			throw new Error(`'${e}' is not a signal!`);
		let r = e[d], { actions: o } = r;
		if (!o || !Reflect.has(o, t))
			throw new Error(`'${e}' has no action with name '${t}'!`);
		if (o[t].apply(r, n), r.skip)
			return Reflect.deleteProperty(r, "skip");
		r.listeners.forEach((l) => l(r.value));
	};
	R.on = function e(t, n, r) {
		if (Array.isArray(t))
			return t.forEach((o) => e(o, n, r));
		P(t, n), r && r.signal && r.signal.addEventListener("abort", () => k(t, n));
	};
	R.clear = function(...e) {
		for (let t of e)
			t[d].listeners.clear(), Reflect.deleteProperty(t, d);
	};
	var $ = {
		isReactiveAtrribute(e, t) {
			return b(e);
		},
		isTextContent(e) {
			return h(e) === "string" || b(e) && h(V(e)) === "string";
		},
		processReactiveAttribute(e, t, n, r) {
			return P(n, (o) => r([t, o])), n();
		},
		reactiveElement(e, t) {
			let n = document.createComment("<> #reactive"), r = document.createComment("</> #reactive"), o = document.createDocumentFragment();
			o.append(n, r);
			let l = (f) => {
				if (!n.parentNode || !r.parentNode)
					return k(e, l);
				let u = t(f);
				Array.isArray(u) || (u = [u]);
				let p = n;
				for (; (p = n.nextSibling) !== r; )
					p.remove();
				n.after(...u);
			};
			return P(e, l), l(e()), o;
		}
	};
	function F(e, t) {
		let n = (...r) => r.length ? U(n, r[0]) : H(n);
		return B(n, e, t);
	}
	var Z = Object.assign(/* @__PURE__ */ Object.create(null), {
		stopPropagation() {
			this.skip = !0;
		}
	});
	function B(e, t, n) {
		return h(n) !== "[object Object]" && (n = {}), e[d] = {
			value: t,
			actions: n,
			listeners: /* @__PURE__ */ new Set()
		}, Object.setPrototypeOf(e[d], Z), e;
	}
	var g = [];
	function M(e) {
		let t = function() {
			g.push(t), e(), g.pop();
		};
		g.push(t), e(), g.pop();
	}
	function G() {
		return g[g.length - 1];
	}
	function H(e) {
		if (!e[d])
			return;
		let { value: t, listeners: n } = e[d], r = G();
		return r && n.add(r), t;
	}
	function U(e, t) {
		if (!e[d])
			return;
		let n = e[d];
		if (n.value !== t)
			return n.value = t, n.listeners.forEach((r) => r(t)), t;
	}
	function V(e) {
		return e[d].value;
	}
	function P(e, t) {
		return e[d].listeners.add(t);
	}
	function k(e, t) {
		return e[d].listeners.delete(t);
	}
	
	// src/signals.js
	A($);
	
	globalThis.dde= {
		S: R,
		assign: N,
		classListDeclartive: q,
		createElement: ee,
		el: ee,
		empty: te,
		isSignal: b,
		namespace: Y,
		on: T,
		registerReactivity: A,
		watch: M
	};
	
})();