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