//deka-dom-el library is available via global namespace `dde`
(()=> {
	// src/signals-common.js
	var w = {
		isSignal(t) {
			return !1;
		},
		processReactiveAttribute(t, e, n, o) {
			return n;
		}
	};
	function j(t, e = !0) {
		return e ? Object.assign(w, t) : (Object.setPrototypeOf(t, w), t);
	}
	function A(t) {
		return w.isPrototypeOf(t) && t !== w ? t : w;
	}
	
	// src/helpers.js
	function E(t) {
		return typeof t > "u";
	}
	function k(t) {
		let e = typeof t;
		return e !== "object" ? e : t === null ? "null" : Object.prototype.toString.call(t);
	}
	function O(t, e) {
		if (!t || !(t instanceof AbortSignal))
			return !0;
		if (!t.aborted)
			return t.addEventListener("abort", e), function() {
				t.removeEventListener("abort", e);
			};
	}
	
	// src/dom-common.js
	var F = { setDeleteAttr: Q };
	function Q(t, e, n) {
		if (Reflect.set(t, e, n), !!E(n)) {
			if (Reflect.deleteProperty(t, e), t instanceof HTMLElement && t.getAttribute(e) === "undefined")
				return t.removeAttribute(e);
			if (Reflect.get(t, e) === "undefined")
				return Reflect.set(t, e, "");
		}
	}
	
	// src/dom.js
	var y = [{
		scope: document.body,
		namespace: "html",
		host: (t) => t ? t(document.body) : document.body,
		prevent: !0
	}], z = (t) => t === "svg" ? "http://www.w3.org/2000/svg" : t, h = {
		get current() {
			return y[y.length - 1];
		},
		get host() {
			return this.current.host;
		},
		get namespace() {
			return this.current.namespace;
		},
		set namespace(t) {
			return this.current.namespace = z(t);
		},
		preventDefault() {
			let { current: t } = this;
			return t.prevent = !0, t;
		},
		elNamespace(t) {
			let e = this.namespace;
			return this.namespace = t, {
				append(...n) {
					return h.namespace = e, n.length === 1 ? n[0] : document.createDocumentFragment().append(...n);
				}
			};
		},
		get state() {
			return [...y];
		},
		push(t = {}) {
			return t.namespace && (t.namespace = z(t.namespace)), y.push(Object.assign({}, this.current, { prevent: !1 }, t));
		},
		pop() {
			return y.pop();
		}
	};
	function pt(t, e, ...n) {
		let o = A(this), { namespace: r } = h, c = 0, s;
		switch ((Object(e) !== e || o.isSignal(e)) && (e = { textContent: e }), !0) {
			case typeof t == "function": {
				c = 1, h.push({ scope: t, host: (a) => a ? (c === 1 ? n.unshift(a) : a(s), void 0) : s }), s = t(e || void 0), (s instanceof HTMLElement ? I : J)(s, "Attribute", "dde-fun", t.name);
				break;
			}
			case t === "#text":
				s = R.call(this, document.createTextNode(""), e);
				break;
			case t === "<>":
				s = R.call(this, document.createDocumentFragment(), e);
				break;
			case r !== "html":
				s = R.call(this, document.createElementNS(r, t), e);
				break;
			case !s:
				s = R.call(this, document.createElement(t), e);
		}
		return n.forEach((a) => a(s)), c && h.pop(), c = 2, s;
	}
	var { setDeleteAttr: H } = F, C = /* @__PURE__ */ new WeakMap();
	function R(t, ...e) {
		if (!e.length)
			return t;
		C.set(t, q(t, this));
		for (let [n, o] of Object.entries(Object.assign({}, ...e)))
			$.call(this, t, n, o);
		return C.delete(t), t;
	}
	function $(t, e, n) {
		let { setRemoveAttr: o, s: r } = q(t, this), c = this;
		n = r.processReactiveAttribute(
			t,
			e,
			n,
			(a, p) => $.call(c, t, a, p)
		);
		let [s] = e;
		if (s === "=")
			return o(e.slice(1), n);
		if (s === ".")
			return U(t, e.slice(1), n);
		if (/(aria|data)([A-Z])/.test(e))
			return e = e.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), o(e, n);
		switch (e === "className" && (e = "class"), e) {
			case "xlink:href":
				return o(e, n, "http://www.w3.org/1999/xlink");
			case "textContent":
				return H(t, e, n);
			case "style":
				if (typeof n != "object")
					break;
			case "dataset":
				return T(r, n, U.bind(null, t[e]));
			case "ariaset":
				return T(r, n, (a, p) => o("aria-" + a, p));
			case "classList":
				return X.call(c, t, n);
		}
		return Y(t, e) ? H(t, e, n) : o(e, n);
	}
	function q(t, e) {
		if (C.has(t))
			return C.get(t);
		let o = (t instanceof SVGElement ? J : I).bind(null, t, "Attribute"), r = A(e);
		return { setRemoveAttr: o, s: r };
	}
	function X(t, e) {
		let n = A(this);
		return T(
			n,
			e,
			(o, r) => t.classList.toggle(o, r === -1 ? void 0 : !!r)
		), t;
	}
	function ht(t) {
		return Array.from(t.children).forEach((e) => e.remove()), t;
	}
	function Y(t, e) {
		if (!Reflect.has(t, e))
			return !1;
		let n = B(t, e);
		return !E(n.set);
	}
	function B(t, e) {
		if (t = Object.getPrototypeOf(t), !t)
			return {};
		let n = Object.getOwnPropertyDescriptor(t, e);
		return n || B(t, e);
	}
	function T(t, e, n) {
		if (!(typeof e != "object" || e === null))
			return Object.entries(e).forEach(function([r, c]) {
				r && (c = t.processReactiveAttribute(e, r, c, n), n(r, c));
			});
	}
	function G(t) {
		return Array.isArray(t) ? t.filter(Boolean).join(" ") : t;
	}
	function I(t, e, n, o) {
		return t[(E(o) ? "remove" : "set") + e](n, G(o));
	}
	function J(t, e, n, o, r = null) {
		return t[(E(o) ? "remove" : "set") + e + "NS"](r, n, G(o));
	}
	function U(t, e, n) {
		if (Reflect.set(t, e, n), !!E(n))
			return Reflect.deleteProperty(t, e);
	}
	
	// src/events.js
	function bt(t, e, ...n) {
		let o = n.length ? new CustomEvent(e, { detail: n[0] }) : new Event(e);
		return t.dispatchEvent(o);
	}
	function v(t, e, n) {
		return function(r) {
			return r.addEventListener(t, e, n), r;
		};
	}
	var L = et(), tt = /* @__PURE__ */ new WeakSet();
	v.connected = function(t, e) {
		let n = "connected";
		return typeof e != "object" && (e = {}), e.once = !0, function(r) {
			let c = "dde:" + n;
			return r.addEventListener(c, t, e), r.__dde_lifecycleToEvents ? r : r.isConnected ? (r.dispatchEvent(new Event(c)), r) : (O(e.signal, () => L.offConnected(r, t)) && L.onConnected(r, t), r);
		};
	};
	v.disconnected = function(t, e) {
		let n = "disconnected";
		return typeof e != "object" && (e = {}), e.once = !0, function(r) {
			let c = "dde:" + n;
			return r.addEventListener(c, t, e), r.__dde_lifecycleToEvents || O(e.signal, () => L.offDisconnected(r, t)) && L.onDisconnected(r, t), r;
		};
	};
	v.attributeChanged = function(t, e) {
		let n = "attributeChanged";
		return typeof e != "object" && (e = {}), function(r) {
			let c = "dde:" + n;
			if (r.addEventListener(c, t, e), r.__dde_lifecycleToEvents || tt.has(r))
				return r;
			let s = new MutationObserver(function(p) {
				for (let { attributeName: b, target: _ } of p)
					_.dispatchEvent(
						new CustomEvent(c, { detail: [b, _.getAttribute(b)] })
					);
			});
			return O(e.signal, () => s.disconnect()) && s.observe(r, { attributes: !0 }), r;
		};
	};
	function et() {
		let t = /* @__PURE__ */ new Map(), e = !1, n = new MutationObserver(function(i) {
			for (let u of i)
				if (u.type === "childList") {
					if (b(u.addedNodes, !0)) {
						s();
						continue;
					}
					_(u.removedNodes, !0) && s();
				}
		});
		return {
			onConnected(i, u) {
				c();
				let f = r(i);
				f.connected.has(u) || (f.connected.add(u), f.length_c += 1);
			},
			offConnected(i, u) {
				if (!t.has(i))
					return;
				let f = t.get(i);
				f.connected.has(u) && (f.connected.delete(u), f.length_c -= 1, o(i, f));
			},
			onDisconnected(i, u) {
				c();
				let f = r(i);
				f.disconnected.has(u) || (f.disconnected.add(u), f.length_d += 1);
			},
			offDisconnected(i, u) {
				if (!t.has(i))
					return;
				let f = t.get(i);
				f.disconnected.has(u) && (f.disconnected.delete(u), f.length_d -= 1, o(i, f));
			}
		};
		function o(i, u) {
			u.length_c || u.length_d || (t.delete(i), s());
		}
		function r(i) {
			if (t.has(i))
				return t.get(i);
			let u = {
				connected: /* @__PURE__ */ new WeakSet(),
				length_c: 0,
				disconnected: /* @__PURE__ */ new WeakSet(),
				length_d: 0
			};
			return t.set(i, u), u;
		}
		function c() {
			e || (e = !0, n.observe(document.body, { childList: !0, subtree: !0 }));
		}
		function s() {
			!e || t.size || (e = !1, n.disconnect());
		}
		function a() {
			return new Promise(function(i) {
				(requestIdleCallback || requestAnimationFrame)(i);
			});
		}
		async function p(i) {
			t.size > 30 && await a();
			let u = [];
			if (!(i instanceof Node))
				return u;
			for (let f of t.keys())
				f === i || !(f instanceof Node) || i.contains(f) && u.push(f);
			return u;
		}
		function b(i, u) {
			let f = !1;
			for (let m of i) {
				if (u && p(m).then(b), !t.has(m))
					continue;
				let x = t.get(m);
				x.length_c && (m.dispatchEvent(new Event("dde:connected")), x.connected = /* @__PURE__ */ new WeakSet(), x.length_c = 0, x.length_d || t.delete(m), f = !0);
			}
			return f;
		}
		function _(i, u) {
			let f = !1;
			for (let m of i)
				u && p(m).then(_), !(!t.has(m) || !t.get(m).length_d) && (m.dispatchEvent(new Event("dde:disconnected")), t.delete(m), f = !0);
			return f;
		}
	}
	
	// index.js
	[HTMLElement, SVGElement, DocumentFragment].forEach((t) => {
		let { append: e } = t.prototype;
		t.prototype.append = function(...n) {
			return e.apply(this, n), this;
		};
	});
	
	// src/signals-lib.js
	var d = Symbol.for("Signal");
	function N(t) {
		try {
			return Reflect.has(t, d);
		} catch {
			return !1;
		}
	}
	var P = [], l = /* @__PURE__ */ new WeakMap();
	function g(t, e) {
		if (typeof t != "function")
			return V(t, e);
		if (N(t))
			return t;
		let n = V(), o = function() {
			let [r, ...c] = l.get(o);
			if (l.set(o, /* @__PURE__ */ new Set([r])), P.push(o), n(t()), P.pop(), !c.length)
				return;
			let s = l.get(o);
			for (let a of c)
				s.has(a) || S(a, o);
		};
		return l.set(n[d], o), l.set(o, /* @__PURE__ */ new Set([n])), o(), n;
	}
	g.action = function(t, e, ...n) {
		let o = t[d], { actions: r } = o;
		if (!r || !Reflect.has(r, e))
			throw new Error(`'${t}' has no action with name '${e}'!`);
		if (r[e].apply(o, n), o.skip)
			return Reflect.deleteProperty(o, "skip");
		o.listeners.forEach((c) => c(o.value));
	};
	g.on = function t(e, n, o = {}) {
		let { signal: r } = o;
		if (!(r && r.aborted)) {
			if (Array.isArray(e))
				return e.forEach((c) => t(c, n, o));
			W(e, n), r && r.addEventListener("abort", () => S(e, n));
		}
	};
	g.symbols = {
		signal: d,
		onclear: Symbol.for("Signal.onclear")
	};
	g.attribute = function(t, e = void 0) {
		let { host: n } = h, o = n() && n().hasAttribute(t) ? n().getAttribute(t) : e, r = new AbortController(), c = g(o, {
			[g.symbols.onclear]() {
				r.abort();
			}
		});
		return h.host(v.attributeChanged(function({ detail: a }) {
			let [p, b] = a;
			p === t && c(b);
		}, { signal: r.signal })), c;
	};
	g.clear = function(...t) {
		for (let n of t) {
			Reflect.deleteProperty(n, "toJSON");
			let o = n[d];
			o.onclear.forEach((r) => r.call(o)), e(n, o), Reflect.deleteProperty(n, d);
		}
		function e(n, o) {
			o.listeners.forEach((r) => {
				if (o.listeners.delete(r), !l.has(r))
					return;
				let c = l.get(r);
				c.delete(n), !(c.size > 1) && (g.clear(...c), l.delete(r));
			});
		}
	};
	var D = "__dde_reactive";
	g.el = function(t, e) {
		let n = document.createComment("<dde:reactive>"), o = document.createComment("</dde:reactive>"), r = document.createDocumentFragment();
		r.append(n, o);
		let { current: c } = h, s = (a) => {
			if (!n.parentNode || !o.parentNode)
				return S(t, s);
			h.push(c);
			let p = e(a);
			h.pop(), Array.isArray(p) || (p = [p]);
			let b = n;
			for (; (b = n.nextSibling) !== o; )
				b.remove();
			n.after(...p);
		};
		return W(t, s), K(t, s, n, e), s(t()), r;
	};
	var Z = {
		isSignal: N,
		processReactiveAttribute(t, e, n, o) {
			if (!N(n))
				return n;
			let r = (c) => o(e, c);
			return W(n, r), K(n, r, t, e), n();
		}
	};
	function K(t, e, ...n) {
		let { current: o } = h;
		o.prevent || o.host(function(r) {
			r[D] || (r[D] = [], v.disconnected(
				() => (
					/*!
					* Clears all signals listeners added in the current scope/host (`S.el`, `assign`, …?).
					* You can investigate the `__dde_reactive` key of the element.
					* */
					r[D].forEach(([[c, s]]) => S(c, s, c[d]?.host() === r))
				)
			)(r)), r[D].push([[t, e], ...n]);
		});
	}
	function V(t, e) {
		let n = (...o) => o.length ? st(n, ...o) : ct(n);
		return rt(n, t, e);
	}
	var nt = Object.assign(/* @__PURE__ */ Object.create(null), {
		stopPropagation() {
			this.skip = !0;
		}
	}), M = class extends Error {
		constructor() {
			super();
			let [e, ...n] = this.stack.split(`
	`), o = e.slice(e.indexOf("@"), e.indexOf(".js:") + 4);
			this.stack = n.find((r) => !r.includes(o));
		}
	};
	function rt(t, e, n) {
		let o = [];
		k(n) !== "[object Object]" && (n = {});
		let { onclear: r } = g.symbols;
		n[r] && (o.push(n[r]), Reflect.deleteProperty(n, r));
		let { host: c } = h;
		return t[d] = {
			value: e,
			actions: n,
			onclear: o,
			host: c,
			listeners: /* @__PURE__ */ new Set(),
			defined: new M()
		}, t.toJSON = () => t(), Object.setPrototypeOf(t[d], nt), t;
	}
	function ot() {
		return P[P.length - 1];
	}
	function ct(t) {
		if (!t[d])
			return;
		let { value: e, listeners: n } = t[d], o = ot();
		return o && n.add(o), l.has(o) && l.get(o).add(t), e;
	}
	function st(t, e, n) {
		if (!t[d])
			return;
		let o = t[d];
		if (!(!n && o.value === e))
			return o.value = e, o.listeners.forEach((r) => r(e)), e;
	}
	function W(t, e) {
		if (t[d])
			return t[d].listeners.add(e);
	}
	function S(t, e, n) {
		let o = t[d];
		if (!o)
			return;
		let r = o.listeners.delete(e);
		if (n && !o.listeners.size) {
			if (g.clear(t), !l.has(o))
				return r;
			let c = l.get(o);
			if (!l.has(c))
				return r;
			l.get(c).forEach((s) => S(s, c, !0));
		}
		return r;
	}
	
	// signals.js
	j(Z);
	
	globalThis.dde= {
		S: g,
		assign: R,
		assignAttribute: $,
		classListDeclarative: X,
		createElement: pt,
		dispatchEvent: bt,
		el: pt,
		empty: ht,
		isSignal: N,
		on: v,
		registerReactivity: j,
		scope: h
	};
	
})();