dev-package (#15)

Reviewed-on: #15
2024-11-23 09:09:38 +01:00 · 2023-09-05 09:25:47 +02:00 · 2023-09-05 09:25:47 +02:00 · ba3194f960
commit ba3194f960
parent 421d1e9ede
23 changed files with 3936 additions and 335 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,127 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
--- a/bs/.lint.toml
+++ b/bs/.lint.toml
@ -0,0 +1 @@
+info= "Lint size of lib and jshint"
--- a/bs/README.md
+++ b/bs/README.md
@ -0,0 +1 @@
+[jaandrle/bs: The simplest possible build system using executables](https://github.com/jaandrle/bs/)
--- a/bs/build.js
+++ b/bs/build.js
@ -0,0 +1,39 @@
+#!/usr/bin/env -S npx nodejsscript
+const files= [ "index.js", "index-with-signals.js" ];
+const filesOut= (file, mark= "esm")=> "dist/"+file.replace("index", mark);
+
+for(const file of files){
+	const out= filesOut(file);
+	s.run([
+		"npx esbuild '::file::'",
+		"--platform=neutral",
+		"--bundle",
+		//"--minify",
+		"--minify-syntax --minify-identifiers",
+		"--packages=external",
+		"--outfile='::out::'"
+	].join(" "), { file, out });
+	pipe(
+		f=> f.replace(/^ +/gm, m=> "\t".repeat(m.length/2)),
+		f=> s.echo(f).to(out)
+	)(s.cat(out));
+	toDDE(out, filesOut(file, "dde"));
+}
+$.exit(0);
+
+function toDDE(file, out){
+	const name= "dde";
+	echo(`\n  ${out} (${file} → globalThis.${name})\n`);
+	
+	let content= s.cat(file).toString().split("export {");
+	content.splice(1, 0, `\nglobalThis.${name}= {`);
+	content[2]= content[2].replace(/^(\t*)(.*) as ([^,\n]*)(,?)$/mg, "$1$3: $2$4");
+	s.echo([
+		`//deka-dom-el library is available via global namespace \`${name}\``,
+		"(()=> {",
+		"\t"+content.join("").split("\n").join("\n	"),
+		"})();"
+	].join("\n")).to(out);
+	
+	echo("⚡ Done\n");
+}
--- a/bs/lint.sh
+++ b/bs/lint.sh
@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+npx size-limit
--- a/dist/dde-with-signals.js
+++ b/dist/dde-with-signals.js
@ -0,0 +1,354 @@
+//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 R(e, t = !0) {
+		return t ? Object.assign(m, e) : (Object.setPrototypeOf(e, m), e);
+	}
+	function A(e) {
+		return m.isPrototypeOf(e) && e !== m ? e : m;
+	}
+	
+	// src/dom.js
+	var E = "html";
+	function K(e) {
+		return E = e === "svg" ? "http://www.w3.org/2000/svg" : e, {
+			append(t) {
+				return E = "html", t;
+			}
+		};
+	}
+	function Q(e, t, ...n) {
+		let r = A(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 = C(document.createTextNode(""), t);
+				break;
+			case E !== "html":
+				o = C(document.createElementNS(E, e), t);
+				break;
+			default:
+				o = C(document.createElement(e), t);
+		}
+		return n.forEach((l) => l(o)), o;
+	}
+	function C(e, ...t) {
+		let n = A(this);
+		if (!t.length)
+			return e;
+		let r = e instanceof SVGElement, o = (r ? z : D).bind(null, e, "Attribute");
+		return Object.entries(Object.assign({}, ...t)).forEach(function l([s, f]) {
+			if (n.isReactiveAtrribute(f, s) && (f = n.processReactiveAttribute(el, s, f, l)), s[0] === "=")
+				return o(s.slice(1), f);
+			if (s[0] === ".")
+				return S(e, s.slice(1), f);
+			if (typeof f == "object")
+				switch (s) {
+					case "style":
+						return v(f, D.bind(null, e.style, "Property"));
+					case "dataset":
+						return v(f, S.bind(null, e.dataset));
+					case "ariaset":
+						return v(f, (p, b) => o("aria-" + p, b));
+					case "classList":
+						return q(e, f);
+					default:
+						return Reflect.set(e, s, f);
+				}
+			if (/(aria|data)([A-Z])/.test(s))
+				return s = s.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), o(s, f);
+			switch (s) {
+				case "href":
+					return o(s, f);
+				case "xlink:href":
+					return o(s, f, "http://www.w3.org/1999/xlink");
+				case "textContent":
+					if (!r)
+						break;
+					return e.appendChild(document.createTextNode(f));
+			}
+			return s in e && !r ? S(e, s, f) : o(s, f);
+		}), e;
+	}
+	function q(e, t) {
+		return typeof t != "object" || v(
+			t,
+			(n, r) => e.classList.toggle(n, r === -1 ? void 0 : !!r)
+		), e;
+	}
+	function X(e) {
+		return Array.from(e.children).forEach((t) => t.remove()), e;
+	}
+	function v(e, t) {
+		return Object.entries(e).forEach(([n, r]) => t(n, r));
+	}
+	function j(e) {
+		return typeof e > "u";
+	}
+	function D(e, t, n, r) {
+		return e[(j(r) ? "remove" : "set") + t](n, r);
+	}
+	function z(e, t, n, r, o = null) {
+		return e[(j(r) ? "remove" : "set") + t + "NS"](o, n, r);
+	}
+	function S(e, t, n) {
+		return Reflect[j(n) ? "deleteProperty" : "set"](e, t, n);
+	}
+	
+	// src/events.js
+	function _(e, t, n) {
+		return (r) => (r.addEventListener(e, t, n), r);
+	}
+	var w = M();
+	_.connected = function(e, t) {
+		return function(r) {
+			w.onConnected(r, e), t && t.signal && t.signal.addEventListener("abort", () => w.offConnected(r, e));
+		};
+	};
+	_.disconnected = function(e, t) {
+		return function(r) {
+			w.onDisconnected(r, e), t && t.signal && t.signal.addEventListener("abort", () => w.offDisconnected(r, e));
+		};
+	};
+	function M() {
+		let e = /* @__PURE__ */ new Map(), t = !1, n = new MutationObserver(function(c) {
+			for (let i of c)
+				if (i.type === "childList") {
+					if (b(i.addedNodes, !0)) {
+						s();
+						continue;
+					}
+					N(i.removedNodes, !0) && s();
+				}
+		});
+		return {
+			onConnected(c, i) {
+				l(), o(c).connected.push(i);
+			},
+			offConnected(c, i) {
+				if (!e.has(c))
+					return;
+				let u = e.get(c), a = u.connected;
+				a.splice(a.indexOf(i), 1), r(c, u);
+			},
+			onDisconnected(c, i) {
+				l(), o(c).disconnected.push(i);
+			},
+			offDisconnected(c, i) {
+				if (!e.has(c))
+					return;
+				let u = e.get(c), a = u.disconnected;
+				a.splice(a.indexOf(i), 1), r(c, u);
+			}
+		};
+		function r(c, i) {
+			i.connected.length || i.disconnect.length || (e.delete(c), s());
+		}
+		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 s() {
+			!t || e.size || (t = !1, n.disconnect());
+		}
+		function f() {
+			return new Promise(function(c) {
+				(requestIdleCallback || requestAnimationFrame)(c);
+			});
+		}
+		async function p(c) {
+			e.size > 30 && await f();
+			let i = [];
+			if (!(c instanceof Node))
+				return i;
+			for (let u of e.keys())
+				u === c || !(u instanceof Node) || c.contains(u) && i.push(u);
+			return i;
+		}
+		function b(c, i) {
+			for (let u of c) {
+				if (i && p(u).then(b), !e.has(u))
+					return !1;
+				let a = e.get(u);
+				return a.connected.forEach((O) => O(u)), a.connected.length = 0, a.disconnected.length || e.delete(u), !0;
+			}
+		}
+		function N(c, i) {
+			for (let u of c) {
+				if (i && p(u).then(N), !e.has(u))
+					return !1;
+				let a = e.get(u);
+				return a.disconnected.forEach((O) => O(u)), a.connected.length = 0, a.disconnected.length = 0, e.delete(u), !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 x(e) {
+		try {
+			return Reflect.has(e, d);
+		} catch {
+			return !1;
+		}
+	}
+	function y(e, t) {
+		if (typeof e != "function")
+			return P(e, t);
+		if (x(e))
+			return e;
+		let n = P();
+		return F(() => n(e())), n;
+	}
+	y.action = function(e, t, ...n) {
+		if (!x(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));
+	};
+	y.on = function e(t, n, r) {
+		if (Array.isArray(t))
+			return t.forEach((o) => e(o, n, r));
+		L(t, n), r && r.signal && r.signal.addEventListener("abort", () => $(t, n));
+	};
+	y.clear = function(...e) {
+		for (let t of e)
+			t[d].listeners.clear(), Reflect.deleteProperty(t, d);
+	};
+	var T = {
+		isReactiveAtrribute(e, t) {
+			return x(e);
+		},
+		isTextContent(e) {
+			return h(e) === "string" || x(e) && h(G(e)) === "string";
+		},
+		processReactiveAttribute(e, t, n, r) {
+			return L(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 = (s) => {
+				if (!n.parentNode || !r.parentNode)
+					return $(e, l);
+				let f = t(s);
+				Array.isArray(f) || (f = [f]);
+				let p = n;
+				for (; (p = n.nextSibling) !== r; )
+					p.remove();
+				n.after(...f);
+			};
+			return L(e, l), l(e()), o;
+		}
+	};
+	function P(e, t) {
+		let n = (...r) => r.length ? B(n, r[0]) : k(n);
+		return W(n, e, t);
+	}
+	var I = Object.assign(/* @__PURE__ */ Object.create(null), {
+		stopPropagation() {
+			this.skip = !0;
+		}
+	});
+	function W(e, t, n) {
+		return h(n) !== "[object Object]" && (n = {}), e[d] = {
+			value: t,
+			actions: n,
+			listeners: /* @__PURE__ */ new Set()
+		}, Object.setPrototypeOf(e[d], I), e;
+	}
+	var g = [];
+	function F(e) {
+		let t = function() {
+			g.push(t), e(), g.pop();
+		};
+		g.push(t), e(), g.pop();
+	}
+	function Z() {
+		return g[g.length - 1];
+	}
+	function k(e) {
+		if (!e[d])
+			return;
+		let { value: t, listeners: n } = e[d], r = Z();
+		return r && n.add(r), t;
+	}
+	function B(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 G(e) {
+		return e[d].value;
+	}
+	function L(e, t) {
+		return e[d].listeners.add(t);
+	}
+	function $(e, t) {
+		return e[d].listeners.delete(t);
+	}
+	
+	// src/signals.js
+	R(T);
+	
+	globalThis.dde= {
+		S: y,
+		assign: C,
+		classListDeclartive: q,
+		createElement: Q,
+		el: Q,
+		empty: X,
+		isSignal: x,
+		namespace: K,
+		on: _,
+		registerReactivity: R,
+		watch: F
+	};
+	
+})();
--- a/dist/dde.js
+++ b/dist/dde.js
@ -0,0 +1,237 @@
+//deka-dom-el library is available via global namespace `dde`
+(()=> {
+	// src/helpers.js
+	function R(e) {
+		let t = typeof e;
+		return t !== "object" ? t : e === null ? "null" : Object.prototype.toString.call(e);
+	}
+	
+	// src/signals-common.js
+	var l = {
+		isReactiveAtrribute(e, t) {
+			return !1;
+		},
+		isTextContent(e) {
+			return R(e) !== "[object Object]";
+		},
+		processReactiveAttribute(e, t, o, n) {
+			return !1;
+		},
+		reactiveElement(e, ...t) {
+			return document.createDocumentFragment();
+		}
+	};
+	function y(e, t = !0) {
+		return t ? Object.assign(l, e) : (Object.setPrototypeOf(e, l), e);
+	}
+	function v(e) {
+		return l.isPrototypeOf(e) && e !== l ? e : l;
+	}
+	
+	// src/dom.js
+	var b = "html";
+	function q(e) {
+		return b = e === "svg" ? "http://www.w3.org/2000/svg" : e, {
+			append(t) {
+				return b = "html", t;
+			}
+		};
+	}
+	function z(e, t, ...o) {
+		let n = v(this), u;
+		if (e === "<>") {
+			if (n.isReactiveAtrribute(t))
+				return n.reactiveElement(t, ...o);
+			u = document.createDocumentFragment();
+		}
+		switch (n.isTextContent(t) && (t = { textContent: t }), !0) {
+			case typeof e == "function":
+				u = e(t || void 0);
+				break;
+			case e === "#text":
+				u = E(document.createTextNode(""), t);
+				break;
+			case b !== "html":
+				u = E(document.createElementNS(b, e), t);
+				break;
+			default:
+				u = E(document.createElement(e), t);
+		}
+		return o.forEach((d) => d(u)), u;
+	}
+	function E(e, ...t) {
+		let o = v(this);
+		if (!t.length)
+			return e;
+		let n = e instanceof SVGElement, u = (n ? L : A).bind(null, e, "Attribute");
+		return Object.entries(Object.assign({}, ...t)).forEach(function d([i, f]) {
+			if (o.isReactiveAtrribute(f, i) && (f = o.processReactiveAttribute(el, i, f, d)), i[0] === "=")
+				return u(i.slice(1), f);
+			if (i[0] === ".")
+				return w(e, i.slice(1), f);
+			if (typeof f == "object")
+				switch (i) {
+					case "style":
+						return g(f, A.bind(null, e.style, "Property"));
+					case "dataset":
+						return g(f, w.bind(null, e.dataset));
+					case "ariaset":
+						return g(f, (p, h) => u("aria-" + p, h));
+					case "classList":
+						return N(e, f);
+					default:
+						return Reflect.set(e, i, f);
+				}
+			if (/(aria|data)([A-Z])/.test(i))
+				return i = i.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), u(i, f);
+			switch (i) {
+				case "href":
+					return u(i, f);
+				case "xlink:href":
+					return u(i, f, "http://www.w3.org/1999/xlink");
+				case "textContent":
+					if (!n)
+						break;
+					return e.appendChild(document.createTextNode(f));
+			}
+			return i in e && !n ? w(e, i, f) : u(i, f);
+		}), e;
+	}
+	function N(e, t) {
+		return typeof t != "object" || g(
+			t,
+			(o, n) => e.classList.toggle(o, n === -1 ? void 0 : !!n)
+		), e;
+	}
+	function M(e) {
+		return Array.from(e.children).forEach((t) => t.remove()), e;
+	}
+	function g(e, t) {
+		return Object.entries(e).forEach(([o, n]) => t(o, n));
+	}
+	function O(e) {
+		return typeof e > "u";
+	}
+	function A(e, t, o, n) {
+		return e[(O(n) ? "remove" : "set") + t](o, n);
+	}
+	function L(e, t, o, n, u = null) {
+		return e[(O(n) ? "remove" : "set") + t + "NS"](u, o, n);
+	}
+	function w(e, t, o) {
+		return Reflect[O(o) ? "deleteProperty" : "set"](e, t, o);
+	}
+	
+	// src/events.js
+	function j(e, t, o) {
+		return (n) => (n.addEventListener(e, t, o), n);
+	}
+	var m = D();
+	j.connected = function(e, t) {
+		return function(n) {
+			m.onConnected(n, e), t && t.signal && t.signal.addEventListener("abort", () => m.offConnected(n, e));
+		};
+	};
+	j.disconnected = function(e, t) {
+		return function(n) {
+			m.onDisconnected(n, e), t && t.signal && t.signal.addEventListener("abort", () => m.offDisconnected(n, e));
+		};
+	};
+	function D() {
+		let e = /* @__PURE__ */ new Map(), t = !1, o = new MutationObserver(function(r) {
+			for (let c of r)
+				if (c.type === "childList") {
+					if (h(c.addedNodes, !0)) {
+						i();
+						continue;
+					}
+					C(c.removedNodes, !0) && i();
+				}
+		});
+		return {
+			onConnected(r, c) {
+				d(), u(r).connected.push(c);
+			},
+			offConnected(r, c) {
+				if (!e.has(r))
+					return;
+				let s = e.get(r), a = s.connected;
+				a.splice(a.indexOf(c), 1), n(r, s);
+			},
+			onDisconnected(r, c) {
+				d(), u(r).disconnected.push(c);
+			},
+			offDisconnected(r, c) {
+				if (!e.has(r))
+					return;
+				let s = e.get(r), a = s.disconnected;
+				a.splice(a.indexOf(c), 1), n(r, s);
+			}
+		};
+		function n(r, c) {
+			c.connected.length || c.disconnect.length || (e.delete(r), i());
+		}
+		function u(r) {
+			if (e.has(r))
+				return e.get(r);
+			let c = { connected: [], disconnected: [] };
+			return e.set(r, c), c;
+		}
+		function d() {
+			t || (t = !0, o.observe(document.body, { childList: !0, subtree: !0 }));
+		}
+		function i() {
+			!t || e.size || (t = !1, o.disconnect());
+		}
+		function f() {
+			return new Promise(function(r) {
+				(requestIdleCallback || requestAnimationFrame)(r);
+			});
+		}
+		async function p(r) {
+			e.size > 30 && await f();
+			let c = [];
+			if (!(r instanceof Node))
+				return c;
+			for (let s of e.keys())
+				s === r || !(s instanceof Node) || r.contains(s) && c.push(s);
+			return c;
+		}
+		function h(r, c) {
+			for (let s of r) {
+				if (c && p(s).then(h), !e.has(s))
+					return !1;
+				let a = e.get(s);
+				return a.connected.forEach((x) => x(s)), a.connected.length = 0, a.disconnected.length || e.delete(s), !0;
+			}
+		}
+		function C(r, c) {
+			for (let s of r) {
+				if (c && p(s).then(C), !e.has(s))
+					return !1;
+				let a = e.get(s);
+				return a.disconnected.forEach((x) => x(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(...o) {
+			return t.apply(this, o), this;
+		};
+	});
+	
+	globalThis.dde= {
+		assign: E,
+		classListDeclartive: N,
+		createElement: z,
+		el: z,
+		empty: M,
+		namespace: q,
+		on: j,
+		registerReactivity: y
+	};
+	
+})();
--- a/dist/esm-with-signals.js
+++ b/dist/esm-with-signals.js
@ -0,0 +1,349 @@
+// 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 R(e, t = !0) {
+	return t ? Object.assign(m, e) : (Object.setPrototypeOf(e, m), e);
+}
+function A(e) {
+	return m.isPrototypeOf(e) && e !== m ? e : m;
+}
+
+// src/dom.js
+var E = "html";
+function K(e) {
+	return E = e === "svg" ? "http://www.w3.org/2000/svg" : e, {
+		append(t) {
+			return E = "html", t;
+		}
+	};
+}
+function Q(e, t, ...n) {
+	let r = A(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 = C(document.createTextNode(""), t);
+			break;
+		case E !== "html":
+			o = C(document.createElementNS(E, e), t);
+			break;
+		default:
+			o = C(document.createElement(e), t);
+	}
+	return n.forEach((l) => l(o)), o;
+}
+function C(e, ...t) {
+	let n = A(this);
+	if (!t.length)
+		return e;
+	let r = e instanceof SVGElement, o = (r ? z : D).bind(null, e, "Attribute");
+	return Object.entries(Object.assign({}, ...t)).forEach(function l([s, f]) {
+		if (n.isReactiveAtrribute(f, s) && (f = n.processReactiveAttribute(el, s, f, l)), s[0] === "=")
+			return o(s.slice(1), f);
+		if (s[0] === ".")
+			return S(e, s.slice(1), f);
+		if (typeof f == "object")
+			switch (s) {
+				case "style":
+					return v(f, D.bind(null, e.style, "Property"));
+				case "dataset":
+					return v(f, S.bind(null, e.dataset));
+				case "ariaset":
+					return v(f, (p, b) => o("aria-" + p, b));
+				case "classList":
+					return q(e, f);
+				default:
+					return Reflect.set(e, s, f);
+			}
+		if (/(aria|data)([A-Z])/.test(s))
+			return s = s.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), o(s, f);
+		switch (s) {
+			case "href":
+				return o(s, f);
+			case "xlink:href":
+				return o(s, f, "http://www.w3.org/1999/xlink");
+			case "textContent":
+				if (!r)
+					break;
+				return e.appendChild(document.createTextNode(f));
+		}
+		return s in e && !r ? S(e, s, f) : o(s, f);
+	}), e;
+}
+function q(e, t) {
+	return typeof t != "object" || v(
+		t,
+		(n, r) => e.classList.toggle(n, r === -1 ? void 0 : !!r)
+	), e;
+}
+function X(e) {
+	return Array.from(e.children).forEach((t) => t.remove()), e;
+}
+function v(e, t) {
+	return Object.entries(e).forEach(([n, r]) => t(n, r));
+}
+function j(e) {
+	return typeof e > "u";
+}
+function D(e, t, n, r) {
+	return e[(j(r) ? "remove" : "set") + t](n, r);
+}
+function z(e, t, n, r, o = null) {
+	return e[(j(r) ? "remove" : "set") + t + "NS"](o, n, r);
+}
+function S(e, t, n) {
+	return Reflect[j(n) ? "deleteProperty" : "set"](e, t, n);
+}
+
+// src/events.js
+function _(e, t, n) {
+	return (r) => (r.addEventListener(e, t, n), r);
+}
+var w = M();
+_.connected = function(e, t) {
+	return function(r) {
+		w.onConnected(r, e), t && t.signal && t.signal.addEventListener("abort", () => w.offConnected(r, e));
+	};
+};
+_.disconnected = function(e, t) {
+	return function(r) {
+		w.onDisconnected(r, e), t && t.signal && t.signal.addEventListener("abort", () => w.offDisconnected(r, e));
+	};
+};
+function M() {
+	let e = /* @__PURE__ */ new Map(), t = !1, n = new MutationObserver(function(c) {
+		for (let i of c)
+			if (i.type === "childList") {
+				if (b(i.addedNodes, !0)) {
+					s();
+					continue;
+				}
+				N(i.removedNodes, !0) && s();
+			}
+	});
+	return {
+		onConnected(c, i) {
+			l(), o(c).connected.push(i);
+		},
+		offConnected(c, i) {
+			if (!e.has(c))
+				return;
+			let u = e.get(c), a = u.connected;
+			a.splice(a.indexOf(i), 1), r(c, u);
+		},
+		onDisconnected(c, i) {
+			l(), o(c).disconnected.push(i);
+		},
+		offDisconnected(c, i) {
+			if (!e.has(c))
+				return;
+			let u = e.get(c), a = u.disconnected;
+			a.splice(a.indexOf(i), 1), r(c, u);
+		}
+	};
+	function r(c, i) {
+		i.connected.length || i.disconnect.length || (e.delete(c), s());
+	}
+	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 s() {
+		!t || e.size || (t = !1, n.disconnect());
+	}
+	function f() {
+		return new Promise(function(c) {
+			(requestIdleCallback || requestAnimationFrame)(c);
+		});
+	}
+	async function p(c) {
+		e.size > 30 && await f();
+		let i = [];
+		if (!(c instanceof Node))
+			return i;
+		for (let u of e.keys())
+			u === c || !(u instanceof Node) || c.contains(u) && i.push(u);
+		return i;
+	}
+	function b(c, i) {
+		for (let u of c) {
+			if (i && p(u).then(b), !e.has(u))
+				return !1;
+			let a = e.get(u);
+			return a.connected.forEach((O) => O(u)), a.connected.length = 0, a.disconnected.length || e.delete(u), !0;
+		}
+	}
+	function N(c, i) {
+		for (let u of c) {
+			if (i && p(u).then(N), !e.has(u))
+				return !1;
+			let a = e.get(u);
+			return a.disconnected.forEach((O) => O(u)), a.connected.length = 0, a.disconnected.length = 0, e.delete(u), !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 x(e) {
+	try {
+		return Reflect.has(e, d);
+	} catch {
+		return !1;
+	}
+}
+function y(e, t) {
+	if (typeof e != "function")
+		return P(e, t);
+	if (x(e))
+		return e;
+	let n = P();
+	return F(() => n(e())), n;
+}
+y.action = function(e, t, ...n) {
+	if (!x(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));
+};
+y.on = function e(t, n, r) {
+	if (Array.isArray(t))
+		return t.forEach((o) => e(o, n, r));
+	L(t, n), r && r.signal && r.signal.addEventListener("abort", () => $(t, n));
+};
+y.clear = function(...e) {
+	for (let t of e)
+		t[d].listeners.clear(), Reflect.deleteProperty(t, d);
+};
+var T = {
+	isReactiveAtrribute(e, t) {
+		return x(e);
+	},
+	isTextContent(e) {
+		return h(e) === "string" || x(e) && h(G(e)) === "string";
+	},
+	processReactiveAttribute(e, t, n, r) {
+		return L(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 = (s) => {
+			if (!n.parentNode || !r.parentNode)
+				return $(e, l);
+			let f = t(s);
+			Array.isArray(f) || (f = [f]);
+			let p = n;
+			for (; (p = n.nextSibling) !== r; )
+				p.remove();
+			n.after(...f);
+		};
+		return L(e, l), l(e()), o;
+	}
+};
+function P(e, t) {
+	let n = (...r) => r.length ? B(n, r[0]) : k(n);
+	return W(n, e, t);
+}
+var I = Object.assign(/* @__PURE__ */ Object.create(null), {
+	stopPropagation() {
+		this.skip = !0;
+	}
+});
+function W(e, t, n) {
+	return h(n) !== "[object Object]" && (n = {}), e[d] = {
+		value: t,
+		actions: n,
+		listeners: /* @__PURE__ */ new Set()
+	}, Object.setPrototypeOf(e[d], I), e;
+}
+var g = [];
+function F(e) {
+	let t = function() {
+		g.push(t), e(), g.pop();
+	};
+	g.push(t), e(), g.pop();
+}
+function Z() {
+	return g[g.length - 1];
+}
+function k(e) {
+	if (!e[d])
+		return;
+	let { value: t, listeners: n } = e[d], r = Z();
+	return r && n.add(r), t;
+}
+function B(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 G(e) {
+	return e[d].value;
+}
+function L(e, t) {
+	return e[d].listeners.add(t);
+}
+function $(e, t) {
+	return e[d].listeners.delete(t);
+}
+
+// src/signals.js
+R(T);
+export {
+	y as S,
+	C as assign,
+	q as classListDeclartive,
+	Q as createElement,
+	Q as el,
+	X as empty,
+	x as isSignal,
+	K as namespace,
+	_ as on,
+	R as registerReactivity,
+	F as watch
+};
--- a/dist/esm.js
+++ b/dist/esm.js
@ -0,0 +1,232 @@
+// src/helpers.js
+function R(e) {
+	let t = typeof e;
+	return t !== "object" ? t : e === null ? "null" : Object.prototype.toString.call(e);
+}
+
+// src/signals-common.js
+var l = {
+	isReactiveAtrribute(e, t) {
+		return !1;
+	},
+	isTextContent(e) {
+		return R(e) !== "[object Object]";
+	},
+	processReactiveAttribute(e, t, o, n) {
+		return !1;
+	},
+	reactiveElement(e, ...t) {
+		return document.createDocumentFragment();
+	}
+};
+function y(e, t = !0) {
+	return t ? Object.assign(l, e) : (Object.setPrototypeOf(e, l), e);
+}
+function v(e) {
+	return l.isPrototypeOf(e) && e !== l ? e : l;
+}
+
+// src/dom.js
+var b = "html";
+function q(e) {
+	return b = e === "svg" ? "http://www.w3.org/2000/svg" : e, {
+		append(t) {
+			return b = "html", t;
+		}
+	};
+}
+function z(e, t, ...o) {
+	let n = v(this), u;
+	if (e === "<>") {
+		if (n.isReactiveAtrribute(t))
+			return n.reactiveElement(t, ...o);
+		u = document.createDocumentFragment();
+	}
+	switch (n.isTextContent(t) && (t = { textContent: t }), !0) {
+		case typeof e == "function":
+			u = e(t || void 0);
+			break;
+		case e === "#text":
+			u = E(document.createTextNode(""), t);
+			break;
+		case b !== "html":
+			u = E(document.createElementNS(b, e), t);
+			break;
+		default:
+			u = E(document.createElement(e), t);
+	}
+	return o.forEach((d) => d(u)), u;
+}
+function E(e, ...t) {
+	let o = v(this);
+	if (!t.length)
+		return e;
+	let n = e instanceof SVGElement, u = (n ? L : A).bind(null, e, "Attribute");
+	return Object.entries(Object.assign({}, ...t)).forEach(function d([i, f]) {
+		if (o.isReactiveAtrribute(f, i) && (f = o.processReactiveAttribute(el, i, f, d)), i[0] === "=")
+			return u(i.slice(1), f);
+		if (i[0] === ".")
+			return w(e, i.slice(1), f);
+		if (typeof f == "object")
+			switch (i) {
+				case "style":
+					return g(f, A.bind(null, e.style, "Property"));
+				case "dataset":
+					return g(f, w.bind(null, e.dataset));
+				case "ariaset":
+					return g(f, (p, h) => u("aria-" + p, h));
+				case "classList":
+					return N(e, f);
+				default:
+					return Reflect.set(e, i, f);
+			}
+		if (/(aria|data)([A-Z])/.test(i))
+			return i = i.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase(), u(i, f);
+		switch (i) {
+			case "href":
+				return u(i, f);
+			case "xlink:href":
+				return u(i, f, "http://www.w3.org/1999/xlink");
+			case "textContent":
+				if (!n)
+					break;
+				return e.appendChild(document.createTextNode(f));
+		}
+		return i in e && !n ? w(e, i, f) : u(i, f);
+	}), e;
+}
+function N(e, t) {
+	return typeof t != "object" || g(
+		t,
+		(o, n) => e.classList.toggle(o, n === -1 ? void 0 : !!n)
+	), e;
+}
+function M(e) {
+	return Array.from(e.children).forEach((t) => t.remove()), e;
+}
+function g(e, t) {
+	return Object.entries(e).forEach(([o, n]) => t(o, n));
+}
+function O(e) {
+	return typeof e > "u";
+}
+function A(e, t, o, n) {
+	return e[(O(n) ? "remove" : "set") + t](o, n);
+}
+function L(e, t, o, n, u = null) {
+	return e[(O(n) ? "remove" : "set") + t + "NS"](u, o, n);
+}
+function w(e, t, o) {
+	return Reflect[O(o) ? "deleteProperty" : "set"](e, t, o);
+}
+
+// src/events.js
+function j(e, t, o) {
+	return (n) => (n.addEventListener(e, t, o), n);
+}
+var m = D();
+j.connected = function(e, t) {
+	return function(n) {
+		m.onConnected(n, e), t && t.signal && t.signal.addEventListener("abort", () => m.offConnected(n, e));
+	};
+};
+j.disconnected = function(e, t) {
+	return function(n) {
+		m.onDisconnected(n, e), t && t.signal && t.signal.addEventListener("abort", () => m.offDisconnected(n, e));
+	};
+};
+function D() {
+	let e = /* @__PURE__ */ new Map(), t = !1, o = new MutationObserver(function(r) {
+		for (let c of r)
+			if (c.type === "childList") {
+				if (h(c.addedNodes, !0)) {
+					i();
+					continue;
+				}
+				C(c.removedNodes, !0) && i();
+			}
+	});
+	return {
+		onConnected(r, c) {
+			d(), u(r).connected.push(c);
+		},
+		offConnected(r, c) {
+			if (!e.has(r))
+				return;
+			let s = e.get(r), a = s.connected;
+			a.splice(a.indexOf(c), 1), n(r, s);
+		},
+		onDisconnected(r, c) {
+			d(), u(r).disconnected.push(c);
+		},
+		offDisconnected(r, c) {
+			if (!e.has(r))
+				return;
+			let s = e.get(r), a = s.disconnected;
+			a.splice(a.indexOf(c), 1), n(r, s);
+		}
+	};
+	function n(r, c) {
+		c.connected.length || c.disconnect.length || (e.delete(r), i());
+	}
+	function u(r) {
+		if (e.has(r))
+			return e.get(r);
+		let c = { connected: [], disconnected: [] };
+		return e.set(r, c), c;
+	}
+	function d() {
+		t || (t = !0, o.observe(document.body, { childList: !0, subtree: !0 }));
+	}
+	function i() {
+		!t || e.size || (t = !1, o.disconnect());
+	}
+	function f() {
+		return new Promise(function(r) {
+			(requestIdleCallback || requestAnimationFrame)(r);
+		});
+	}
+	async function p(r) {
+		e.size > 30 && await f();
+		let c = [];
+		if (!(r instanceof Node))
+			return c;
+		for (let s of e.keys())
+			s === r || !(s instanceof Node) || r.contains(s) && c.push(s);
+		return c;
+	}
+	function h(r, c) {
+		for (let s of r) {
+			if (c && p(s).then(h), !e.has(s))
+				return !1;
+			let a = e.get(s);
+			return a.connected.forEach((x) => x(s)), a.connected.length = 0, a.disconnected.length || e.delete(s), !0;
+		}
+	}
+	function C(r, c) {
+		for (let s of r) {
+			if (c && p(s).then(C), !e.has(s))
+				return !1;
+			let a = e.get(s);
+			return a.disconnected.forEach((x) => x(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(...o) {
+		return t.apply(this, o), this;
+	};
+});
+export {
+	E as assign,
+	N as classListDeclartive,
+	z as createElement,
+	z as el,
+	M as empty,
+	q as namespace,
+	j as on,
+	y as registerReactivity
+};
--- a/index-with-signals.js
+++ b/index-with-signals.js
@ -0,0 +1,2 @@
+export * from "./index.js";
+export * from "./src/signals.js";
--- a/index.d.ts
+++ b/index.d.ts
@ -1,15 +1,14 @@
-/**
- * @private
- */
-type T_DOM_HETNM= HTMLElementTagNameMap & SVGElementTagNameMap & {
-	'<>': DocumentFragment,
-	'': HTMLElement,
-	'zzz_text': Text
+import { Signal } from "./src/signals";
+//TODO?
+declare global {
+	type ddeFires<T extends string[]>= ( (...a: any[])=> any ) & { events: T };
+	type ddeSignal<T, A>= Signal<T, A>;
 }
-/**
- * @private
- */
-type T_DOM_ATTRS_MODIFIED= {
+type ElementTagNameMap= HTMLElementTagNameMap & SVGElementTagNameMap & {
+	'#text': Text
+}
+type Element= ElementTagNameMap[keyof ElementTagNameMap];
+type AttrsModified= {
 	/**
 	 * In fact argumen for `*.setAttribute("style", *)`.
 	 */
@ -17,7 +16,11 @@ type T_DOM_ATTRS_MODIFIED= {
 	/**
 	 * Provide option to add/remove/toggle CSS clasess (index of object) using 1/0/-1. In fact `el.classList.toggle(class_name)` for `-1` and `el.classList.toggle(class_name, Boolean(...))` for others.
 	 */
-	classList: Record<string,-1|0|1>
+	classList: Record<string,-1|0|1>,
+	/**
+	 * Sets `aria-*` simiraly to `dataset`
+	 * */
+	ariaset: Record<string,string>,
 }
 /**
 * Just element attributtes
@ -27,53 +30,172 @@ type T_DOM_ATTRS_MODIFIED= {
 * There is added support for `data[A-Z].*`/`aria[A-Z].*` to be converted to the kebab-case alternatives.
 * @private
 */
-type T_DOM_ATTRS<T extends keyof T_DOM_HETNM | T_DOM_HETNM[keyof T_DOM_HETNM]>=
-	T extends keyof T_DOM_HETNM ?
-	Omit<T_DOM_HETNM[T],"classList"> & T_DOM_ATTRS_MODIFIED :
-	Omit<T,"classList"> & T_DOM_ATTRS_MODIFIED;
-/**
- * Procedure for merging object into the element properties.
- * Very simple example: `$dom.assign(document.body, { className: "test" });` is equivalent to `document.body.className= "test";`.
- * It is not deep copy in general, but it supports `style`, `style_vars` and `dataset` objects (see below).
- *
- * **#1: All together**
- * ```javascript
- * const el= document.body;
- * const onclick= function(){ console.log(this.dataset.js_param); };
- * $dom.assign(el, { textContent: "BODY", style: "color: red;", dataset: { js_param: "CLICKED" }, onclick });
- * //result HTML: <body style="color: red;" data-js_param="CLICKED">BODY</body>
- * //console output on click: "CLICKED"
- * $dom.assign(el, { style: { color: "green" } });
- * //result HTML: <body style="color: green;" data-js_param="CLICKED">BODY</body>
- * //console output on click: "CLICKED"
- * ```
- *
- * **`\*.classList.toggle`**
- * ```javascript
- * const el= document.body;
- * $dom.assign(el, { classList: { testClass: -1 } });
- * //result HTML: <body class="testClass">…</body>
- * $dom.assign(el, { classList: { testClass: -1 } });
- * //result HTML: <body class="">…</body>
- *
- * $dom.assign(el, { classList: { testClass: true } });//or 1
- * //result HTML: <body class="testClass">…</body>
- * $dom.assign(el, { classList: { testClass: false } });//or 0
- * //result HTML: <body class="">…</body>
- * //...
- * ```
- *
- * **#3 Links and images**
- * ```javascript
- * $dom.assign(A_ELEMENT, { href: "www.google.com" });//=> <a href="www.google.com" …
- * $dom.assign(IMG_ELEMENT, { src: "image.png" });//=> <img src="image.png" …
- *
- * **#4 data\* and aria\***
- * $dom.assign(el, { ariaLabel: "The aria-label", dataExample: "data-example" });//=> <body aria-label="The aria-label" data-example="data-example">
- * ```
- * @category Public
- * @version 2.0.0
- */
-export function assign<EL extends HTMLElement>(element: EL, ...attrs_array: T_DOM_ATTRS<EL>[]): EL
+type ElementAttributes<T extends keyof ElementTagNameMap | ElementTagNameMap[keyof ElementTagNameMap]>=
+	T extends keyof ElementTagNameMap ?
+	Omit<ElementTagNameMap[T],"classList"> & AttrsModified :
+	Omit<T,"classList"> & AttrsModified;
+export function assign<El extends Element>(element: El, ...attrs_array: ElementAttributes<El>[]): El

-export function el<TAG extends keyof T_DOM_HETNM>(tag_name: TAG, attrs: T_DOM_ATTRS<T_DOM_HETNM[TAG]>): T_DOM_HETNM[TAG]
+type ElementExtender<El extends Element>= (element: El)=> El;
+type TagNameFragment= "<>";
+export function el<TAG extends keyof ElementTagNameMap>(
+	tag_name: TAG,
+	attrs?: ElementAttributes<ElementTagNameMap[TAG]>,
+	...extenders: ElementExtender<ElementTagNameMap[TAG]>[]
+): ElementTagNameMap[TAG]
+export function el<T>(
+	tag_name: TagNameFragment,
+	signal?: Signal<T, any>,
+	cb?: (a: T)=> HTMLElement | HTMLElement[]
+): DocumentFragment
+export function el<T extends (...a: any)=> Element>(
+	fComponent: T,
+	attrs?: Parameters<T> & ElementAttributes<ReturnType<T>>,
+	...extenders: ElementExtender<ReturnType<T>>[]
+): ReturnType<T>
+
+interface On{
+	<
+		EE extends ElementExtender<Element>,
+		El extends ( EE extends ElementExtender<infer El> ? El : never ),
+		Event extends keyof DocumentEventMap>(
+			type: Event,
+			listener: (this: El, ev: DocumentEventMap[Event]) => any,
+			options?: AddEventListenerOptions
+		) : EE;
+	connected<
+		EE extends ElementExtender<Element>,
+		El extends ( EE extends ElementExtender<infer El> ? El : never )
+		>(
+			listener: (el: El) => any,
+			options?: AddEventListenerOptions
+		) : EE;
+	disconnected<
+		EE extends ElementExtender<Element>,
+		El extends ( EE extends ElementExtender<infer El> ? El : never )
+		>(
+			listener: (el: El) => any,
+			options?: AddEventListenerOptions
+		) : EE;
+}
+export const on: On;
+
+//TODO?
+export type Fires<T extends string[]>= ( (...a: any[])=> any ) & { events: T };
+
+//TODO for SVG
+declare global{
+	interface HTMLDivElement{ append(...nodes: (Node | string)[]): HTMLDivElement; }
+	interface HTMLAnchorElement{ append(...nodes: (Node | string)[]): HTMLAnchorElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLAreaElement{ append(...nodes: (Node | string)[]): HTMLAreaElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLAudioElement{ append(...nodes: (Node | string)[]): HTMLAudioElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLBaseElement{ append(...nodes: (Node | string)[]): HTMLBaseElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLQuoteElement{ append(...nodes: (Node | string)[]): HTMLQuoteElement; }
+	interface HTMLBodyElement{ append(...nodes: (Node | string)[]): HTMLBodyElement; }
+	interface HTMLBRElement{ append(...nodes: (Node | string)[]): HTMLBRElement; }
+	interface HTMLButtonElement{ append(...nodes: (Node | string)[]): HTMLButtonElement; }
+	interface HTMLCanvasElement{ append(...nodes: (Node | string)[]): HTMLCanvasElement; }
+	interface HTMLTableCaptionElement{ append(...nodes: (Node | string)[]): HTMLTableCaptionElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLTableColElement{ append(...nodes: (Node | string)[]): HTMLTableColElement; }
+	interface HTMLTableColElement{ append(...nodes: (Node | string)[]): HTMLTableColElement; }
+	interface HTMLDataElement{ append(...nodes: (Node | string)[]): HTMLDataElement; }
+	interface HTMLDataListElement{ append(...nodes: (Node | string)[]): HTMLDataListElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLModElement{ append(...nodes: (Node | string)[]): HTMLModElement; }
+	interface HTMLDetailsElement{ append(...nodes: (Node | string)[]): HTMLDetailsElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLDialogElement{ append(...nodes: (Node | string)[]): HTMLDialogElement; }
+	interface HTMLDivElement{ append(...nodes: (Node | string)[]): HTMLDivElement; }
+	interface HTMLDListElement{ append(...nodes: (Node | string)[]): HTMLDListElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLEmbedElement{ append(...nodes: (Node | string)[]): HTMLEmbedElement; }
+	interface HTMLFieldSetElement{ append(...nodes: (Node | string)[]): HTMLFieldSetElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLFormElement{ append(...nodes: (Node | string)[]): HTMLFormElement; }
+	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
+	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
+	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
+	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
+	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
+	interface HTMLHeadingElement{ append(...nodes: (Node | string)[]): HTMLHeadingElement; }
+	interface HTMLHeadElement{ append(...nodes: (Node | string)[]): HTMLHeadElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLHRElement{ append(...nodes: (Node | string)[]): HTMLHRElement; }
+	interface HTMLHtmlElement{ append(...nodes: (Node | string)[]): HTMLHtmlElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLIFrameElement{ append(...nodes: (Node | string)[]): HTMLIFrameElement; }
+	interface HTMLImageElement{ append(...nodes: (Node | string)[]): HTMLImageElement; }
+	interface HTMLInputElement{ append(...nodes: (Node | string)[]): HTMLInputElement; }
+	interface HTMLModElement{ append(...nodes: (Node | string)[]): HTMLModElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLLabelElement{ append(...nodes: (Node | string)[]): HTMLLabelElement; }
+	interface HTMLLegendElement{ append(...nodes: (Node | string)[]): HTMLLegendElement; }
+	interface HTMLLIElement{ append(...nodes: (Node | string)[]): HTMLLIElement; }
+	interface HTMLLinkElement{ append(...nodes: (Node | string)[]): HTMLLinkElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLMapElement{ append(...nodes: (Node | string)[]): HTMLMapElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLMenuElement{ append(...nodes: (Node | string)[]): HTMLMenuElement; }
+	interface HTMLMetaElement{ append(...nodes: (Node | string)[]): HTMLMetaElement; }
+	interface HTMLMeterElement{ append(...nodes: (Node | string)[]): HTMLMeterElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLObjectElement{ append(...nodes: (Node | string)[]): HTMLObjectElement; }
+	interface HTMLOListElement{ append(...nodes: (Node | string)[]): HTMLOListElement; }
+	interface HTMLOptGroupElement{ append(...nodes: (Node | string)[]): HTMLOptGroupElement; }
+	interface HTMLOptionElement{ append(...nodes: (Node | string)[]): HTMLOptionElement; }
+	interface HTMLOutputElement{ append(...nodes: (Node | string)[]): HTMLOutputElement; }
+	interface HTMLParagraphElement{ append(...nodes: (Node | string)[]): HTMLParagraphElement; }
+	interface HTMLPictureElement{ append(...nodes: (Node | string)[]): HTMLPictureElement; }
+	interface HTMLPreElement{ append(...nodes: (Node | string)[]): HTMLPreElement; }
+	interface HTMLProgressElement{ append(...nodes: (Node | string)[]): HTMLProgressElement; }
+	interface HTMLQuoteElement{ append(...nodes: (Node | string)[]): HTMLQuoteElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLScriptElement{ append(...nodes: (Node | string)[]): HTMLScriptElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLSelectElement{ append(...nodes: (Node | string)[]): HTMLSelectElement; }
+	interface HTMLSlotElement{ append(...nodes: (Node | string)[]): HTMLSlotElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLSourceElement{ append(...nodes: (Node | string)[]): HTMLSourceElement; }
+	interface HTMLSpanElement{ append(...nodes: (Node | string)[]): HTMLSpanElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLStyleElement{ append(...nodes: (Node | string)[]): HTMLStyleElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLTableElement{ append(...nodes: (Node | string)[]): HTMLTableElement; }
+	interface HTMLTableSectionElement{ append(...nodes: (Node | string)[]): HTMLTableSectionElement; }
+	interface HTMLTableCellElement{ append(...nodes: (Node | string)[]): HTMLTableCellElement; }
+	interface HTMLTemplateElement{ append(...nodes: (Node | string)[]): HTMLTemplateElement; }
+	interface HTMLTextAreaElement{ append(...nodes: (Node | string)[]): HTMLTextAreaElement; }
+	interface HTMLTableSectionElement{ append(...nodes: (Node | string)[]): HTMLTableSectionElement; }
+	interface HTMLTableCellElement{ append(...nodes: (Node | string)[]): HTMLTableCellElement; }
+	interface HTMLTableSectionElement{ append(...nodes: (Node | string)[]): HTMLTableSectionElement; }
+	interface HTMLTimeElement{ append(...nodes: (Node | string)[]): HTMLTimeElement; }
+	interface HTMLTitleElement{ append(...nodes: (Node | string)[]): HTMLTitleElement; }
+	interface HTMLTableRowElement{ append(...nodes: (Node | string)[]): HTMLTableRowElement; }
+	interface HTMLTrackElement{ append(...nodes: (Node | string)[]): HTMLTrackElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLUListElement{ append(...nodes: (Node | string)[]): HTMLUListElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface HTMLVideoElement{ append(...nodes: (Node | string)[]): HTMLVideoElement; }
+	interface HTMLElement{ append(...nodes: (Node | string)[]): HTMLElement; }
+	interface DocumentFragment{ append(...nodes: (Node | string)[]): DocumentFragment; }
+}
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@ -0,0 +1,88 @@
+{
+	"name": "deka-dom-el",
+	"version": "0.1.0",
+	"description": "A low-code library that simplifies the creation of native DOM elements/components using small wrappers and tweaks.",
+	"author": "Jan Andrle <andrle.jan@centrum.cz>",
+	"license": "MIT",
+	"homepage": "https://gitea.jaandrle.cz/jaandrle/deka-dom-el",
+	"repository": {
+		"type": "git",
+		"url": "git@jaandrle.cz:jaandrle/deka-dom-el.git"
+	},
+	"bugs": {
+		"url": "https://gitea.jaandrle.cz/jaandrle/deka-dom-el/issues"
+	},
+	"main": "index.js",
+	"types": "./index.d.ts",
+	"exports": {
+		".": {
+			"import": "./index.js"
+		},
+		"./signals": {
+			"import": "./src/signals.js"
+		},
+		"./signals-lib": {
+			"import": "./src/signals-lib.js"
+		}
+	},
+	"typesVersions": {
+		"*": {
+			".": [
+				"./index.d.ts"
+			],
+			"./signals": [
+				"./src/signals.d.ts"
+			],
+			"./signals-lib": [
+				"./src/signals.d.ts"
+			]
+		}
+	},
+	"files": [
+		"index.js",
+		"index.d.ts",
+		"src"
+	],
+	"engines": {
+		"node": ">=18"
+	},
+	"jshintConfig": {
+		"esversion": 6,
+		"node": "true",
+		"undef": "true",
+		"latedef": "true",
+		"maxparams": 4,
+		"maxdepth": 3,
+		"maxcomplexity": 19
+	},
+	"size-limit": [
+		{
+			"path": "./index.js",
+			"limit": "10 kB",
+			"gzip": false
+		},
+		{
+			"path": "./index-with-signals.js",
+			"limit": "10 kB",
+			"gzip": false
+		}
+	],
+	"modifyEsbuildConfig": {
+		"platform": "browser"
+	},
+	"scripts": {
+		"test": "echo \"Error: no test specified\" && exit 1"
+	},
+	"keywords": [
+		"dom",
+		"javascript",
+		"low-code",
+		"typescript"
+	],
+	"devDependencies": {
+		"@size-limit/preset-small-lib": "^8.2.6",
+		"esbuild": "^0.19.2",
+		"nodejsscript": "github:jaandrle/nodejsscript#dev-v1",
+		"size-limit-node-esbuild": "^0.2.0"
+	}
+}
--- a/src/dom.js
+++ b/src/dom.js
@ -8,13 +8,15 @@ export function namespace(namespace){
 	};
 }
 export function createElement(tag, attributes, ...connect){
+	const s= signals(this);
 	let el;
+	//TODO Array.isArray(tag) ⇒ set key (cache els)
 	if("<>"===tag){
-		if(signals.isReactiveAtrribute(attributes))
-			return signals.reactiveElement(attributes, ...connect);
+		if(s.isReactiveAtrribute(attributes))
+			return s.reactiveElement(attributes, ...connect);
 		el= document.createDocumentFragment();
 	}
-	if(signals.isTextContent(attributes))
+	if(s.isTextContent(attributes))
 		attributes= { textContent: attributes };
 	switch(true){
 		case typeof tag==="function": el= tag(attributes || undefined); break;
@ -27,16 +29,19 @@ export function createElement(tag, attributes, ...connect){
 }
 export { createElement as el };

+const prop_cache= new Map();
 export function assign(element, ...attributes){
+	const s= signals(this);
 	if(!attributes.length) return element;
 	const is_svg= element instanceof SVGElement;
 	const setRemoveAttr= (is_svg ? setRemoveNS : setRemove).bind(null, element, "Attribute");
 	
 	Object.entries(Object.assign({}, ...attributes)).forEach(function assignNth([ key, attr ]){
-		if(signals.isReactiveAtrribute(attr, key))
-			attr= signals.process(key, attr, assignNth);
-		if(key[0]==="=") return setRemoveAttr(key.slice(1), attr);
-		if(key[0]===".") return setDelete(element, key.slice(1), attr);
+		if(s.isReactiveAtrribute(attr, key))
+			attr= s.processReactiveAttribute(el, key, attr, assignNth);
+		const [ k ]= key;
+		if("="===k) return setRemoveAttr(key.slice(1), attr);
+		if("."===k) return setDelete(element, key.slice(1), attr);
 		if(typeof attr === "object"){
 			switch(key){
 				case "style":		return forEachEntries(attr, setRemove.bind(null, element.style, "Property"))
@ -51,17 +56,13 @@ export function assign(element, ...attributes){
 			return setRemoveAttr(key, attr);
 		}
 		switch(key){
-			case "href" || "src" || "style":
-				return setRemoveAttr(key, attr);
 			case "xlink:href":
 				return setRemoveAttr(key, attr, "http://www.w3.org/1999/xlink");
 			case "textContent" || "innerText":
 				if(!is_svg) break;
 				return element.appendChild(document.createTextNode(attr));
 		}
-		if(key in element && !is_svg)
-			return setDelete(element, key, attr);
-		return setRemoveAttr(key, attr);
+		return isPropSetter(element, key) ? setDelete(element, key, attr) : setRemoveAttr(key, attr);
 	});
 	return element;
 }
@ -73,8 +74,24 @@ export function classListDeclartive(element, toggle){
 			element.classList.toggle(class_name, val===-1 ? undefined : Boolean(val)))
 	return element;
 }
-
-export function empty(el){ Array.from(el.children).forEach(el=> el.remove()); return el; }
+export function empty(el){
+	Array.from(el.children).forEach(el=> el.remove());
+	return el;
+}
+function isPropSetter(el, key){
+	const cache_key= el.nodeName+","+key;
+	if(prop_cache.has(cache_key)) return prop_cache.get(cache_key);
+	const des= getPropDescriptor(el, key);
+	const is_set= !isUndef(des.set);
+	prop_cache.set(cache_key, is_set);
+	return is_set;
+}
+function getPropDescriptor(p, key){
+	p= Object.getPrototypeOf(p);
+	if(!p) return {};
+	const des= Object.getOwnPropertyDescriptor(p, key);
+	return des ? des : getPropDescriptor(p, key);
+}

 function forEachEntries(obj, cb){ return Object.entries(obj).forEach(([ key, val ])=> cb(key, val)); }
 function isUndef(value){ return typeof value==="undefined"; }
--- a/src/events.js
+++ b/src/events.js
@ -1,37 +1,25 @@
-import { signals } from './signals-common.js';
 export { registerReactivity } from './signals-common.js';

 export function on(event, listener, options){
-	if(!signals.isReactiveAtrribute(event))
-		return element=> element.addEventListener(event, listener, options);
-	//TODO cleanup when signal removed (also TODO)
-	if(options && options.signal)
-		options.signal.addEventListener("abort", ()=> signals.off(event, listener));
-	return signals.on(event, listener);
-}
-export function off(){//TODO is needed?
-	const abort= new AbortController();
-	return new Proxy(()=> abort.abort(), {
-		get(_, p){ return Reflect.get(abort, p); },
-		ownKeys(){ return [ "signal" ]; }
-	})
-}
-export function dispatch(event, detail){
-	if(typeof event === "string")
-		event= typeof detail==="undefined" ? new Event(event) : new CustomEvent(event, { detail });
-	return element=> element.dispatchEvent(event);
+	return element=> {
+		element.addEventListener(event, listener, options);
+		return element;
+	};
 }

 const connections_changes= connectionsChangesObserverConstructor();
-//TODO remove listener(s) options
-on.connected= function(listener){
+on.connected= function(listener, options){
 	return function registerElement(element){
 		connections_changes.onConnected(element, listener);
+		if(options && options.signal)
+			options.signal.addEventListener("abort", ()=> connections_changes.offConnected(element, listener));
 	};
 };
-on.disconnected= function(listener){
+on.disconnected= function(listener, options){
 	return function registerElement(element){
 		connections_changes.onDisconnected(element, listener);
+		if(options && options.signal)
+			options.signal.addEventListener("abort", ()=> connections_changes.offDisconnected(element, listener));
 	};
 };

--- a/src/signals-common.js
+++ b/src/signals-common.js
@ -1,12 +1,15 @@
 import { typeOf } from './helpers.js';
-export const signals= {
+export const signals_global= {
 	isReactiveAtrribute(attr, key){ return false; },
 	isTextContent(attributes){ return typeOf(attributes)!=="[object Object]"; },
-	process(key, attr, assignNth){ return false; },
-	on(signal, listener){ return false; },
-	off(signal, listener){ return false; },
+	processReactiveAttribute(el, key, attr, assignNth){ return false; },
 	reactiveElement(attributes, ...connect){ return document.createDocumentFragment(); }
 };
-export function registerReactivity(def){
-	return Object.assign(signals, def);
+export function registerReactivity(def, global= true){
+	if(global) return Object.assign(signals_global, def);
+	Object.setPrototypeOf(def, signals_global);
+	return def;
+}
+export function signals(_this){
+	return signals_global.isPrototypeOf(_this) && _this!==signals_global ? _this : signals_global;
 }
--- a/src/signals-lib.js
+++ b/src/signals-lib.js
@ -0,0 +1,131 @@
+export const mark= Symbol.for("signal");
+
+export function isSignal(candidate){
+	try{ return Reflect.has(candidate, mark); }
+	catch(e){ return false; }
+}
+export function S(value, actions){
+	if(typeof value!=="function")
+		return create(value, actions);
+	if(isSignal(value)) return value;
+	
+	const out= create();
+	watch(()=> out(value()));
+	return out;
+}
+S.action= function(signal, name, ...a){
+	if(!isSignal(signal))
+		throw new Error(`'${signal}' is not a signal!`);
+	const s= signal[mark], { actions }= s;
+	if(!actions || !Reflect.has(actions, name))
+		throw new Error(`'${signal}' has no action with name '${name}'!`);
+	actions[name].apply(s, a);
+	if(s.skip) return Reflect.deleteProperty(s, "skip");
+	s.listeners.forEach(l=> l(s.value));
+};
+S.on= function on(signals, listener, options){
+	if(Array.isArray(signals)) return signals.forEach(s=> on(s, listener, options));
+	addSignalListener(signals, listener);
+	if(options && options.signal)
+		options.signal.addEventListener("abort", ()=> removeSignalListener(signals, listener));
+	//TODO cleanup when signal removed (also TODO)
+}
+S.clear= function(...signals){
+	for(const signal of signals){
+		signal[mark].listeners.clear();
+		Reflect.deleteProperty(signal, mark);
+	}
+};
+
+import { typeOf } from './helpers.js';
+export const signals_config= {
+	isReactiveAtrribute(attr, key){ return isSignal(attr); },
+	isTextContent(attributes){
+		return typeOf(attributes)==="string" || ( isSignal(attributes) && typeOf(valueOfSignal(attributes))==="string" );
+	},
+	processReactiveAttribute(_, key, attrS, assignNth){
+		addSignalListener(attrS, attr=> assignNth([ key, attr ]));
+		return attrS();
+	},
+	reactiveElement(signal, map){
+		const mark_start= document.createComment("<> #reactive");
+		const mark_end= document.createComment("</> #reactive");
+		const out= document.createDocumentFragment();
+		out.append(mark_start, mark_end);
+		const toEls= v=> {
+			if(!mark_start.parentNode || !mark_end.parentNode)
+				return removeSignalListener(signal, toEls);
+			let els= map(v);
+			if(!Array.isArray(els))
+				els= [ els ];
+			let el_r= mark_start;
+			while(( el_r= mark_start.nextSibling ) !== mark_end)
+				el_r.remove();
+			mark_start.after(...els);
+		};
+		addSignalListener(signal, toEls);
+		toEls(signal());
+		return out;
+	}
+};
+
+function create(value, actions){
+	const signal=  (...value)=>
+		value.length ? write(signal, value[0]) : read(signal);
+	return toSignal(signal, value, actions);
+}
+const protoSigal= Object.assign(Object.create(null), {
+	stopPropagation(){
+		this.skip= true;
+	}
+});
+function toSignal(signal, value, actions){
+	if(typeOf(actions)!=="[object Object]")
+		actions= {};
+	signal[mark]= {
+		value, actions,
+		listeners: new Set(),
+	};
+	Object.setPrototypeOf(signal[mark], protoSigal);
+	return signal;
+}
+
+const stack_watch= [];
+export function watch(context){
+	const contextReWatch= function(){
+		stack_watch.push(contextReWatch);
+		context();
+		stack_watch.pop();
+	};
+	stack_watch.push(contextReWatch);
+	context();
+	stack_watch.pop();
+};
+function currentContext(){
+	return stack_watch[stack_watch.length - 1];
+}
+function read(signal){
+	if(!signal[mark]) return;
+	const { value, listeners }= signal[mark];
+	const context= currentContext();
+	if(context) listeners.add(context);
+	return value;
+}
+function write(signal, value){
+	if(!signal[mark]) return;
+	const s= signal[mark];
+	if(s.value===value) return;
+	s.value= value;
+	s.listeners.forEach(fn=> fn(value))
+	return value;
+}
+
+function valueOfSignal(signal){
+	return signal[mark].value;
+}
+function addSignalListener(signal, listener){
+	return signal[mark].listeners.add(listener);
+}
+function removeSignalListener(signal, listener){
+	return signal[mark].listeners.delete(listener);
+}
--- a/src/signals.d.ts
+++ b/src/signals.d.ts
@ -0,0 +1,15 @@
+export type Signal<V, A>= (set?: V)=> V & A;
+type Action<V>= (this: { value: V }, ...a: any[])=> typeof S._ | void;
+type Actions<V>= Record<string, Action<V>>;
+interface S {
+	_: Symbol
+	<V, A extends Actions<V>>(value: V, actions?: A): Signal<V, A>;
+	action<S extends Signal<any, Actions<any>>, A extends (S extends Signal<any, infer A> ? A : never), N extends keyof A>(
+		signal: S,
+		name: N,
+		...params: A[N] extends (...args: infer P)=> any ? P : never
+	): void;
+	clear(...signals: Signal<any, any>): void;
+	on<T>(signal: Signal<T, any>, onchange: (a: T)=> void, options?: AddEventListenerOptions): void
+}
+export const S: S;
--- a/src/signals.js
+++ b/src/signals.js
@ -1,153 +1,4 @@
-export const mark= Symbol.for("signal");
-
-export function isSignal(candidate){
-	try{ return Reflect.has(candidate, mark); }
-	catch(e){ return false; }
-}
-import { typeOf } from './helpers.js';
+export { S, isSignal, watch } from "./signals-lib.js";
+import { signals_config } from "./signals-lib.js";
 import { registerReactivity } from "./signals-common.js";
-registerReactivity({
-	isReactiveAtrribute(attr, key){ return isSignal(attr); },
-	isTextContent(attributes){
-		//TODO FIX el(…, S.reactive(…))
-		return typeOf(attributes)!=="[object Object]" || ( isSignal(attributes) && typeOf(valueOfSignal(attributes))!=="[object Object]" );
-	},
-	process(key, attr, assignNth){ //TODO: unmounted
-		addSignalListener(attr, attr=> assignNth([ key, attr ]));
-		return attr();
-	},
-	on: addSignalListener,
-	off: removeSignalListener,
-	reactiveElement(signal, map){
-		const mark= document.createComment("reactive");
-		const out= document.createDocumentFragment();
-		out.append(mark);
-		let cache;
-		const toEls= v=> {
-			let els= map(v);
-			if(!Array.isArray(els))
-				els= [ els ];
-			if(cache) cache.forEach(el=> el.remove());
-			cache= els;
-			mark.before(...els);
-		};
-		addSignalListener(signal, toEls);
-		toEls(signal());
-		return out;
-	}
-});
-
-export function S(value){
-	if(typeof value!=="function")
-		return create(value);
-	if(isSignal(value)) return value;
-	
-	const out= create();
-	watch(()=> out(value()));
-	return out;
-}
-S.reactive= reactive;
-function reactive(data){
-	if(isSignal(data))
-		return data;
-	if(typeof data!=="object" || data===null)
-		return create(data);
-	
-	let type;
-	if(Array.isArray(data)){
-		type= "array";
-		data= data.map(v=> reactive(v));
-	} else if(data.toString()!=="[object Object]"){
-		return create(data);
-	} else {
-		type= "object";
-		data= Object.fromEntries(
-			Object.entries(data)
-			.map(([ key, value ])=> [ key, reactive(value) ])
-		);
-	}
-	const signal= (...value)=>
-		value.length ? write(signal, reactive(value[0])) : read(signal[mark]);
-	return createWrapObject(type, toSignal(signal, data));
-};
-function toSignal(signal, value){
-	signal[mark]= {
-		value,
-		listeners: new Set()
-	};
-	return signal;
-}
-
-const stack= [];
-export function watch(context){
-	stack.push(function contextReWatch(){
-		stack.push(contextReWatch);
-		context();
-		stack.pop();
-	});
-	context();
-	stack.pop();
-};
-
-function currentContext(){
-	return stack[stack.length - 1];
-}
-function create(value){
-	if(isSignal(value)) return value;
-	const signal=  (...value)=>
-		value.length ? write(signal, value[0]) : read(signal[mark]);
-	return toSignal(signal, value);
-}
-function createWrapObject(type, signal){
-	return new Proxy(signal, {
-		set(_, p, newValue){
-			const s= signal[mark];
-			if(p in s.value){
-				const v= s.value[p];
-				if(isSignal(v)) return v(newValue);
-				return (s.value[p]= newValue);
-			}
-			const v= reactive(newValue);
-			s.value[p]= v;
-			s.listeners.forEach(fn=> fn(s.value));
-			return v;
-		},
-		deleteProperty(_, p){
-			const s= signal[mark];
-			Reflect.deleteProperty(s.value, p);
-			s.listeners.forEach(fn=> fn(s.value));
-		},
-		get(_, p){
-			if(mark===p) return signal[mark];
-			if("array"!==type || !(p in Array.prototype) || p==="length")
-				return Reflect.get(signal[mark].value, p);
-			return (...a)=> {
-				const s= signal[mark];
-				const result= Array.prototype[p].call(s.value, ...a);
-				//TODO optimize!
-				s.value.forEach((v, i)=> Reflect.set(s.value, i, reactive(v)));
-				s.listeners.forEach(fn=> fn(s.value));
-				return result;
-			};
-		}
-	});
-}
-function read({ value, listeners }){
-	const context= currentContext();
-	if(context) listeners.add(context);
-	return value;
-}
-function write(signal, value){
-	signal[mark].value= value;
-	signal[mark].listeners.forEach(fn=> fn(value))
-	return value;
-}
-function valueOfSignal(signal){
-	return signal[mark].value;
-}
-export function addSignalListener(signal, listener){
-	return signal[mark].listeners.add(listener);
-}
-export function removeSignalListener(signal, listener){
-	return signal[mark].listeners.delete(listener);
-}
+registerReactivity(signals_config);
--- a/test/components/fullNameComponent.js
+++ b/test/components/fullNameComponent.js
@ -0,0 +1,28 @@
+import { style, el, on, S } from '../exports.js';
+const className= style.host(fullNameComponent).css`
+	:host form{
+		display: flex;
+		flex-flow: column nowrap;
+	}
+`;
+export function fullNameComponent(){
+	const labels= [ "Name", "Surname" ];
+	const name= labels.map(_=> S(""));
+	const full_name= S(()=>
+		name.map(l=> l()).filter(Boolean).join(" ") || "-");
+
+	return el("div", { className }).append(
+		el("h2", "Simple form:"),
+		el("form", { onsubmit: ev=> ev.preventDefault() }).append(
+			...name.map((v, i)=>
+				el("label", labels[i]).append(
+					el("input", { type: "text", name: labels[i], value: v() }, on("change", ev=> v(ev.target.value)))
+				))
+		),
+		el("p").append(
+			el("strong", "Full name"),
+			el("#text", ": "),
+			el("#text", full_name)
+		)
+	);
+}
--- a/test/components/todosComponent.js
+++ b/test/components/todosComponent.js
@ -0,0 +1,75 @@
+import { style, el, on, S } from '../exports.js';
+const className= style.host(todosComponent).css`
+	:host{
+		display: flex;
+		flex-flow: column nowrap;
+	}
+	:host input{
+		margin-inline-start: .5em;
+	}
+	:host button{
+		margin-inline-start: 1em;
+	}
+`;
+/** @param {{ todos: string[] }} */
+export function todosComponent({ todos= [] }= {}){
+	const todosS= S(todos.map(v=> S(v)), {
+		/** @param {string} v */
+		add(v){ this.value.push(S(v)); },
+		/** @param {number} i */
+		remove(i){ this.value.splice(i, 1); }
+	});
+	console.log(todosS); //TODO
+	const name= "todoName";
+	const onsubmitAdd= on("submit", event=> {
+		const value= event.target.elements[name].value;
+		if(!value) return;
+		
+		event.preventDefault();
+		S.action(todosS, "add", value);
+		event.target.elements[name].value= "";
+	});
+	const onremove= on("remove", event=>
+		S.action(todosS, "remove", event.detail));
+	
+	const ul_todos= el("ul").append(
+		el("<>", todosS,
+			ts=> ts.map((t, i)=> el(todoComponent, { textContent: t, value: i, className }, onremove))
+	));
+	return el("div", { className }).append(
+		el("div").append(
+			el("h2", "Todos:"),
+			el("h3", "List of todos:"),
+			el("<>", todosS, ts=> !ts.length
+				? el("p", "No todos yet")
+				: ul_todos)
+		),
+		el("form", null, onsubmitAdd).append(
+			el("h3", "Add a todo:"),
+			el("label", "New todo: ").append(
+				el("input", { name, type: "text", required: true }),
+			),
+			el("button", "+")
+		)
+	)
+}
+/**
+ * @type {ddeFires<[ "click" ]>}
+ * @param {{
+ *	textContent: string | ddeSignal<string, any>
+ *	value: number
+ * }}
+ * */
+function todoComponent({ textContent, value }){
+	const ref= S();
+	const onclick= on("click", event=> {
+		const value= Number(event.target.value);
+		event.preventDefault();
+		event.stopPropagation();
+		ref().dispatchEvent(new CustomEvent("remove", { detail: value }));
+	});
+	return el("li", null, ref).append(
+		el("#text", textContent),
+		el("button", { type: "button", value, textContent: "-" }, onclick)
+	);
+}
--- a/test/exports.js
+++ b/test/exports.js
@ -0,0 +1,30 @@
+import { namespace, el, on, registerReactivity } from "../index.js";
+import { S } from "../src/signals.js";
+// import { empty, namespace, on, dispatch } from "../index.js";
+// import "../dist/dde-with-signals.js";
+// Object.assign(globalThis, dde);
+// import { el, on, off, S } from "../dist/esm-with-signals.js";
+const style= createStyle();
+Object.assign(globalThis, { S, el, namespace, on, registerReactivity, style });
+export { S, el, on, registerReactivity, style };
+
+function createStyle(){
+	const element= el("style");
+	const store= new WeakSet();
+	let host;
+	return {
+		element,
+		host(k, h= k.name){
+			if(store.has(k)) return { css: ()=> {} };
+			store.add(k);
+			host= h;
+			return this;
+		},
+		css(...args){
+			const textContent= String.raw(...args).replaceAll(":host", "."+host);
+			const className= host;
+			element.appendChild(el("#text", { textContent }));
+			return className;
+		}
+	};
+}
--- a/test/index.js
+++ b/test/index.js
@ -1,81 +1,9 @@
-import { el, on, off } from "../index.js";
-import { S } from "../src/signals.js";
-//import { empty, namespace, on, dispatch } from "../index.js";
-Object.assign(globalThis, { S, el, on, off });
-
-const style= createStyle();
-const app= el(todosComponent);
+import { style, el } from './exports.js';
 document.head.append(style.element);
-document.body.append(app);
-
-function todosComponent({ todos= [] }= {}){
-	const className= "basicTodoForm";
-	style.css`
-		.${className}{
-			display: flex;
-			flex-flow: column nowrap;
-		}
-		.${className} input{
-			margin-inline-start: .5em;
-		}
-	`;
-	todos= S.reactive(todos);
-	globalThis.__todos__= todos; //TODO
-	const name= "todoName";
-	const onsubmit= on("submit", event=> {
-		const value= event.target.elements[name].value;
-		if(!value) return;
-		
-		event.preventDefault();
-		todos.push(value)
-		event.target.elements[name].value= "";
-	});
-	const onremove= on("click", event=> {
-		const value= Number(event.target.value);
-		if(Number.isNaN(value)) return;
-		event.preventDefault();
-		todos.splice(value, 1);
-	});
-	
-	return el("div", { className }).append(
-		el("div").append(
-			el("h1", "Todos:"),
-			el("<>", todos, ts=> !ts.length
-				? el("p", "No todos yet")
-				: ts.map((t, i)=> el(todoComponent, { textContent: t, value: i, className }, onremove)))
-		),
-		el("form", null, onsubmit).append(
-			el("h2", "Add:"),
-			el("label", "New todo: ").append(
-				el("input", { name, type: "text", required: true }),
-			),
-			el("button", "+")
-		)
-	)
-}
-function todoComponent({ textContent, className, value }){
-	style.key(todoComponent).css`
-		.${className} button{
-			margin-inline-start: 1em;
-		}
-	`;
-	return el("p").append(
-		el("#text", textContent),
-		el("button", { type: "button", value, textContent: "-" })
-	);
-}
-function createStyle(){
-	const element= el("style");
-	const store= new WeakSet();
-	return {
-		element,
-		key(k){
-			if(store.has(k)) return { css: ()=> {} };
-			store.add(k);
-			return this;
-		},
-		css(...args){
-			element.appendChild(el("#text", { textContent: String.raw(...args) }));
-		}
-	};
-}
+import { fullNameComponent } from './components/fullNameComponent.js';
+import { todosComponent } from './components/todosComponent.js';
+document.body.append(
+	el("h1", "Experiments:"),
+	el(fullNameComponent),
+	el(todosComponent),
+);
				`@ -0,0 +1 @@`
				`[jaandrle/bs: The simplest possible build system using executables](https://github.com/jaandrle/bs/)`