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