//deka-dom-el library is available via global namespace `dde`
(()=> {
	// src/signals-common.js
	var m = {
		isSignal(e) {
			return !1;
		},
		processReactiveAttribute(e, t, n, r) {
			return n;
		}
	};
	function P(e, t = !0) {
		return t ? Object.assign(m, e) : (Object.setPrototypeOf(e, m), e);
	}
	function b(e) {
		return m.isPrototypeOf(e) && e !== m ? e : m;
	}
	
	// src/helpers.js
	function l(e) {
		return typeof e > "u";
	}
	function _(e, t) {
		if (!e || !(e instanceof AbortSignal))
			return !0;
		if (!e.aborted)
			return e.addEventListener("abort", t), function() {
				e.removeEventListener("abort", t);
			};
	}
	
	// src/dom-common.js
	var R = { setDeleteAttr: j };
	function j(e, t, n) {
		if (Reflect.set(e, t, n), !!l(n)) {
			if (Reflect.deleteProperty(e, t), e instanceof HTMLElement && e.getAttribute(t) === "undefined")
				return e.removeAttribute(t);
			if (Reflect.get(e, t) === "undefined")
				return Reflect.set(e, t, "");
		}
	}
	
	// src/dom.js
	var v = [{ scope: document.body, namespace: "html", host: (e) => e ? e(document.body) : document.body }], C = (e) => e === "svg" ? "http://www.w3.org/2000/svg" : e, x = {
		get current() {
			return v[v.length - 1];
		},
		get state() {
			return [...v];
		},
		get host() {
			return this.current.host;
		},
		get namespace() {
			return this.current.namespace;
		},
		set namespace(e) {
			return this.current.namespace = C(e);
		},
		elNamespace(e) {
			let t = this.namespace;
			return this.namespace = e, {
				append(...n) {
					return x.namespace = t, n.length === 1 ? n[0] : document.createDocumentFragment().append(...n);
				}
			};
		},
		push(e = {}) {
			return e.namespace && (e.namespace = C(e.namespace)), v.push(Object.assign({}, this.current, e));
		},
		pop() {
			return v.pop();
		}
	};
	function I(e, t, ...n) {
		let r = this, u = b(this), { namespace: d } = x, f;
		switch ((Object(t) !== t || u.isSignal(t)) && (t = { textContent: t }), !0) {
			case typeof e == "function": {
				x.push({ scope: e, host: (i) => i ? (n.unshift(i), void 0) : f }), f = e(t || void 0), x.pop();
				break;
			}
			case e === "#text":
				f = w.call(r, document.createTextNode(""), t);
				break;
			case e === "<>":
				f = w.call(r, document.createDocumentFragment(), t);
				break;
			case d !== "html":
				f = w.call(r, document.createElementNS(d, e), t);
				break;
			case !f:
				f = w.call(r, document.createElement(e), t);
		}
		return n.forEach((i) => i(f)), f;
	}
	var { setDeleteAttr: S } = R;
	function w(e, ...t) {
		let n = this, r = b(this);
		if (!t.length)
			return e;
		let d = (e instanceof SVGElement ? U : T).bind(null, e, "Attribute");
		return Object.entries(Object.assign({}, ...t)).forEach(function f([i, a]) {
			a = r.processReactiveAttribute(e, i, a, f);
			let [h] = i;
			if (h === "=")
				return d(i.slice(1), a);
			if (h === ".")
				return y(e, i.slice(1), a);
			if (/(aria|data)([A-Z])/.test(i))
				return i = i.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), d(i, a);
			switch (i === "className" && (i = "class"), i) {
				case "xlink:href":
					return d(i, a, "http://www.w3.org/1999/xlink");
				case "textContent":
					return S(e, i, a);
				case "style":
					if (typeof a != "object")
						break;
				case "dataset":
					return O(r, a, y.bind(null, e[i]));
				case "ariaset":
					return O(r, a, (E, c) => d("aria-" + E, c));
				case "classList":
					return F.call(n, e, a);
			}
			return M(e, i) ? S(e, i, a) : d(i, a);
		}), e;
	}
	function F(e, t) {
		let n = b(this);
		return O(
			n,
			t,
			(r, u) => e.classList.toggle(r, u === -1 ? void 0 : !!u)
		), e;
	}
	function Z(e) {
		return Array.from(e.children).forEach((t) => t.remove()), e;
	}
	function M(e, t) {
		if (!Reflect.has(e, t))
			return !1;
		let n = D(e, t);
		return !l(n.set);
	}
	function D(e, t) {
		if (e = Object.getPrototypeOf(e), !e)
			return {};
		let n = Object.getOwnPropertyDescriptor(e, t);
		return n || D(e, t);
	}
	function O(e, t, n) {
		if (!(typeof t != "object" || t === null))
			return Object.entries(t).forEach(function([u, d]) {
				u && (d = e.processReactiveAttribute(t, u, d, (f) => n(...f)), n(u, d));
			});
	}
	function L(e) {
		return Array.isArray(e) ? e.filter(Boolean).join(" ") : e;
	}
	function T(e, t, n, r) {
		return e[(l(r) ? "remove" : "set") + t](n, L(r));
	}
	function U(e, t, n, r, u = null) {
		return e[(l(r) ? "remove" : "set") + t + "NS"](u, n, L(r));
	}
	function y(e, t, n) {
		if (Reflect.set(e, t, n), !!l(n))
			return Reflect.deleteProperty(e, t);
	}
	
	// src/events.js
	function K(e, t, ...n) {
		let r = n.length ? new CustomEvent(t, { detail: n[0] }) : new Event(t);
		return e.dispatchEvent(r);
	}
	function N(e, t, n) {
		return function(u) {
			return u.addEventListener(e, t, n), u;
		};
	}
	var A = W();
	N.connected = function(e, t) {
		return typeof t != "object" && (t = {}), t.once = !0, function(r) {
			return r.addEventListener("dde:connected", e, t), typeof r.connectedCallback == "function" ? r : r.isConnected ? (r.dispatchEvent(new Event("dde:connected")), r) : (_(t.signal, () => A.offConnected(r, e)) && A.onConnected(r, e), r);
		};
	};
	N.disconnected = function(e, t) {
		return typeof t != "object" && (t = {}), t.once = !0, function(r) {
			return r.addEventListener("dde:disconnected", e, t), typeof r.disconnectedCallback == "function" || _(t.signal, () => A.offDisconnected(r, e)) && A.onDisconnected(r, e), r;
		};
	};
	function W() {
		let e = /* @__PURE__ */ new Map(), t = !1, n = new MutationObserver(function(c) {
			for (let o of c)
				if (o.type === "childList") {
					if (h(o.addedNodes, !0)) {
						f();
						continue;
					}
					E(o.removedNodes, !0) && f();
				}
		});
		return {
			onConnected(c, o) {
				d();
				let s = u(c);
				s.connected.has(o) || (s.connected.add(o), s.length_c += 1);
			},
			offConnected(c, o) {
				if (!e.has(c))
					return;
				let s = e.get(c);
				s.connected.has(o) && (s.connected.delete(o), s.length_c -= 1, r(c, s));
			},
			onDisconnected(c, o) {
				d();
				let s = u(c);
				s.disconnected.has(o) || (s.disconnected.add(o), s.length_d += 1);
			},
			offDisconnected(c, o) {
				if (!e.has(c))
					return;
				let s = e.get(c);
				s.disconnected.has(o) && (s.disconnected.delete(o), s.length_d -= 1, r(c, s));
			}
		};
		function r(c, o) {
			o.length_c || o.length_d || (e.delete(c), f());
		}
		function u(c) {
			if (e.has(c))
				return e.get(c);
			let o = {
				connected: /* @__PURE__ */ new WeakSet(),
				length_c: 0,
				disconnected: /* @__PURE__ */ new WeakSet(),
				length_d: 0
			};
			return e.set(c, o), o;
		}
		function d() {
			t || (t = !0, n.observe(document.body, { childList: !0, subtree: !0 }));
		}
		function f() {
			!t || e.size || (t = !1, n.disconnect());
		}
		function i() {
			return new Promise(function(c) {
				(requestIdleCallback || requestAnimationFrame)(c);
			});
		}
		async function a(c) {
			e.size > 30 && await i();
			let o = [];
			if (!(c instanceof Node))
				return o;
			for (let s of e.keys())
				s === c || !(s instanceof Node) || c.contains(s) && o.push(s);
			return o;
		}
		function h(c, o) {
			let s = !1;
			for (let p of c) {
				if (o && a(p).then(h), !e.has(p))
					continue;
				let g = e.get(p);
				g.length_c && (p.dispatchEvent(new Event("dde:connected")), g.connected = /* @__PURE__ */ new WeakSet(), g.length_c = 0, g.length_d || e.delete(p), s = !0);
			}
			return s;
		}
		function E(c, o) {
			let s = !1;
			for (let p of c)
				o && a(p).then(E), !(!e.has(p) || !e.get(p).length_d) && (p.dispatchEvent(new Event("dde:disconnected")), e.delete(p), s = !0);
			return s;
		}
	}
	
	// index.js
	[HTMLElement, SVGElement, DocumentFragment].forEach((e) => {
		let { append: t } = e.prototype;
		e.prototype.append = function(...n) {
			return t.apply(this, n), this;
		};
	});
	
	globalThis.dde= {
		assign: w,
		classListDeclarative: F,
		createElement: I,
		dispatchEvent: K,
		el: I,
		empty: Z,
		on: N,
		registerReactivity: P,
		scope: x
	};
	
})();