deka-dom-el/dist/iife.js

var DDE = (() => {
	var __defProp = Object.defineProperty;
	var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
	var __getOwnPropNames = Object.getOwnPropertyNames;
	var __hasOwnProp = Object.prototype.hasOwnProperty;
	var __export = (target, all) => {
		for (var name in all)
			__defProp(target, name, { get: all[name], enumerable: true });
	};
	var __copyProps = (to, from, except, desc) => {
		if (from && typeof from === "object" || typeof from === "function") {
			for (let key of __getOwnPropNames(from))
				if (!__hasOwnProp.call(to, key) && key !== except)
					__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
		}
		return to;
	};
	var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

	// index.js
	var index_exports = {};
	__export(index_exports, {
		assign: () => assign,
		assignAttribute: () => assignAttribute,
		chainableAppend: () => chainableAppend,
		classListDeclarative: () => classListDeclarative,
		createElement: () => createElement,
		createElementNS: () => createElementNS,
		customElementRender: () => customElementRender,
		customElementWithDDE: () => lifecyclesToEvents,
		dispatchEvent: () => dispatchEvent,
		el: () => createElement,
		elNS: () => createElementNS,
		lifecyclesToEvents: () => lifecyclesToEvents,
		memo: () => memo,
		on: () => on,
		queue: () => queue,
		registerReactivity: () => registerReactivity,
		scope: () => scope,
		simulateSlots: () => simulateSlots
	});

	// src/helpers.js
	var hasOwn = (...a) => Object.prototype.hasOwnProperty.call(...a);
	function isUndef(value) {
		return typeof value === "undefined";
	}
	function isInstance(obj, cls) {
		return obj instanceof cls;
	}
	function isProtoFrom(obj, cls) {
		return Object.prototype.isPrototypeOf.call(cls, obj);
	}
	function oCreate(proto = null, p = {}) {
		return Object.create(proto, p);
	}
	function oAssign(...o) {
		return Object.assign(...o);
	}
	function onAbort(signal, listener) {
		if (!signal || !isInstance(signal, AbortSignal))
			return true;
		if (signal.aborted)
			return;
		signal.addEventListener("abort", listener);
		return function cleanUp() {
			signal.removeEventListener("abort", listener);
		};
	}

	// src/dom-lib/common.js
	var enviroment = {
		setDeleteAttr,
		ssr: "",
		D: globalThis.document,
		N: globalThis.Node,
		F: globalThis.DocumentFragment,
		H: globalThis.HTMLElement,
		S: globalThis.SVGElement,
		M: globalThis.MutationObserver,
		q: (p) => p || Promise.resolve()
	};
	function setDeleteAttr(obj, prop, val) {
		Reflect.set(obj, prop, val);
		if (!isUndef(val)) return;
		Reflect.deleteProperty(obj, prop);
		if (isInstance(obj, enviroment.H) && obj.getAttribute(prop) === "undefined")
			return obj.removeAttribute(prop);
		if (Reflect.get(obj, prop) === "undefined")
			return Reflect.set(obj, prop, "");
	}
	var keyLTE = "__dde_lifecyclesToEvents";
	var evc = "dde:connected";
	var evd = "dde:disconnected";
	var eva = "dde:attributeChanged";

	// src/dom-lib/events-observer.js
	var c_ch_o = enviroment.M ? connectionsChangesObserverConstructor() : new Proxy({}, {
		get() {
			return () => {
			};
		}
	});
	function connectionsChangesObserverConstructor() {
		const store = /* @__PURE__ */ new Map();
		let is_observing = false;
		const observerListener = (stop2) => function(mutations) {
			for (const mutation of mutations) {
				if (mutation.type !== "childList") continue;
				if (observerAdded(mutation.addedNodes, true)) {
					stop2();
					continue;
				}
				if (observerRemoved(mutation.removedNodes, true))
					stop2();
			}
		};
		const observer = new enviroment.M(observerListener(stop));
		return {
			/**
			* Creates an observer for a specific element
			* @param {Element} element - Element to observe
			* @returns {Function} Cleanup function
			*/
			observe(element) {
				const o = new enviroment.M(observerListener(() => {
				}));
				o.observe(element, { childList: true, subtree: true });
				return () => o.disconnect();
			},
			/**
			* Register a connection listener for an element
			* @param {Element} element - Element to watch
			* @param {Function} listener - Callback for connection event
			*/
			onConnected(element, listener) {
				start();
				const listeners = getElementStore(element);
				if (listeners.connected.has(listener)) return;
				listeners.connected.add(listener);
				listeners.length_c += 1;
			},
			/**
			* Unregister a connection listener
			* @param {Element} element - Element being watched
			* @param {Function} listener - Callback to remove
			*/
			offConnected(element, listener) {
				if (!store.has(element)) return;
				const ls = store.get(element);
				if (!ls.connected.has(listener)) return;
				ls.connected.delete(listener);
				ls.length_c -= 1;
				cleanWhenOff(element, ls);
			},
			/**
			* Register a disconnection listener for an element
			* @param {Element} element - Element to watch
			* @param {Function} listener - Callback for disconnection event
			*/
			onDisconnected(element, listener) {
				start();
				const listeners = getElementStore(element);
				if (listeners.disconnected.has(listener)) return;
				listeners.disconnected.add(listener);
				listeners.length_d += 1;
			},
			/**
			* Unregister a disconnection listener
			* @param {Element} element - Element being watched
			* @param {Function} listener - Callback to remove
			*/
			offDisconnected(element, listener) {
				if (!store.has(element)) return;
				const ls = store.get(element);
				ls.disconnected.delete(listener);
				ls.length_d -= 1;
				cleanWhenOff(element, ls);
			}
		};
		function cleanWhenOff(element, ls) {
			if (ls.length_c || ls.length_d)
				return;
			store.delete(element);
			stop();
		}
		function getElementStore(element) {
			if (store.has(element)) return store.get(element);
			const out = {
				connected: /* @__PURE__ */ new WeakSet(),
				length_c: 0,
				disconnected: /* @__PURE__ */ new WeakSet(),
				length_d: 0
			};
			store.set(element, out);
			return out;
		}
		function start() {
			if (is_observing) return;
			is_observing = true;
			observer.observe(enviroment.D.body, { childList: true, subtree: true });
		}
		function stop() {
			if (!is_observing || store.size) return;
			is_observing = false;
			observer.disconnect();
		}
		function requestIdle() {
			return new Promise(function(resolve) {
				(requestIdleCallback || requestAnimationFrame)(resolve);
			});
		}
		async function collectChildren(element) {
			if (store.size > 30)
				await requestIdle();
			const out = [];
			if (!isInstance(element, enviroment.N)) return out;
			for (const el of store.keys()) {
				if (el === element || !isInstance(el, enviroment.N)) continue;
				if (element.contains(el))
					out.push(el);
			}
			return out;
		}
		function observerAdded(addedNodes, is_root) {
			let out = false;
			for (const element of addedNodes) {
				if (is_root) collectChildren(element).then(observerAdded);
				if (!store.has(element)) continue;
				const ls = store.get(element);
				if (!ls.length_c) continue;
				element.dispatchEvent(new Event(evc));
				ls.connected = /* @__PURE__ */ new WeakSet();
				ls.length_c = 0;
				if (!ls.length_d) store.delete(element);
				out = true;
			}
			return out;
		}
		function observerRemoved(removedNodes, is_root) {
			let out = false;
			for (const element of removedNodes) {
				if (is_root) collectChildren(element).then(observerRemoved);
				if (!store.has(element)) continue;
				const ls = store.get(element);
				if (!ls.length_d) continue;
				(globalThis.queueMicrotask || setTimeout)(dispatchRemove(element));
				out = true;
			}
			return out;
		}
		function dispatchRemove(element) {
			return () => {
				if (element.isConnected) return;
				element.dispatchEvent(new Event(evd));
				store.delete(element);
			};
		}
	}

	// src/dom-lib/events.js
	function dispatchEvent(name, options, host) {
		if (typeof options === "function") {
			host = options;
			options = null;
		}
		if (!options) options = {};
		return function dispatch(element, ...d) {
			if (host) {
				d.unshift(element);
				element = typeof host === "function" ? host() : host;
			}
			const event = d.length ? new CustomEvent(name, oAssign({ detail: d[0] }, options)) : new Event(name, options);
			return element.dispatchEvent(event);
		};
	}
	function on(event, listener, options) {
		return function registerElement(element) {
			element.addEventListener(event, listener, options);
			return element;
		};
	}
	on.defer = (fn) => setTimeout.bind(null, fn, 0);
	var lifeOptions = (obj) => oAssign({}, typeof obj === "object" ? obj : null, { once: true });
	on.connected = function(listener, options) {
		options = lifeOptions(options);
		return function registerElement(element) {
			element.addEventListener(evc, listener, options);
			if (element[keyLTE]) return element;
			if (element.isConnected) return element.dispatchEvent(new Event(evc)), element;
			const c = onAbort(options.signal, () => c_ch_o.offConnected(element, listener));
			if (c) c_ch_o.onConnected(element, listener);
			return element;
		};
	};
	on.disconnected = function(listener, options) {
		options = lifeOptions(options);
		return function registerElement(element) {
			element.addEventListener(evd, listener, options);
			if (element[keyLTE]) return element;
			const c = onAbort(options.signal, () => c_ch_o.offDisconnected(element, listener));
			if (c) c_ch_o.onDisconnected(element, listener);
			return element;
		};
	};

	// src/dom-lib/scopes.js
	var scopes = [{
		get scope() {
			return enviroment.D.body;
		},
		host: (c) => c ? c(enviroment.D.body) : enviroment.D.body,
		prevent: true
	}];
	var store_abort = /* @__PURE__ */ new WeakMap();
	var scope = {
		/**
		* Gets the current scope
		* @returns {Object} Current scope context
		*/
		get current() {
			return scopes[scopes.length - 1];
		},
		/**
		* Gets the host element of the current scope
		* @returns {Function} Host accessor function
		*/
		get host() {
			return this.current.host;
		},
		/**
		* Creates/gets an AbortController that triggers when the element disconnects
		* */
		get signal() {
			const { host } = this;
			if (store_abort.has(host)) return store_abort.get(host);
			const a = new AbortController();
			store_abort.set(host, a);
			host(on.disconnected(() => a.abort()));
			return a.signal;
		},
		/**
		* Prevents default behavior in the current scope
		* @returns {Object} Current scope context
		*/
		preventDefault() {
			const { current } = this;
			current.prevent = true;
			return current;
		},
		/**
		* Gets a copy of the current scope stack
		* @returns {Array} Copy of scope stack
		*/
		get state() {
			return [...scopes];
		},
		/**
		* Pushes a new scope to the stack
		* @param {Object} [s={}] - Scope object to push
		* @returns {number} New length of the scope stack
		*/
		push(s = {}) {
			return scopes.push(oAssign({}, this.current, { prevent: false }, s));
		},
		/**
		* Pushes the root scope to the stack
		* @returns {number} New length of the scope stack
		*/
		pushRoot() {
			return scopes.push(scopes[0]);
		},
		/**
		* Pops the current scope from the stack
		* @returns {Object|undefined} Popped scope or undefined if only one scope remains
		*/
		pop() {
			if (scopes.length === 1) return;
			return scopes.pop();
		}
	};

	// src/signals-lib/common.js
	var signals_global = {
		/**
		* Checks if a value is a signal
		* @param {any} attributes - Value to check
		* @returns {boolean} Whether the value is a signal
		*/
		isSignal(attributes) {
			return false;
		},
		/**
		* Processes an attribute that might be reactive
		* @param {Element} obj - Element that owns the attribute
		* @param {string} key - Attribute name
		* @param {any} attr - Attribute value
		* @param {Function} set - Function to set the attribute
		* @returns {any} Processed attribute value
		*/
		processReactiveAttribute(obj, key, attr, set) {
			return attr;
		}
	};
	function registerReactivity(def, global = true) {
		if (global) return oAssign(signals_global, def);
		Object.setPrototypeOf(def, signals_global);
		return def;
	}
	function signals(_this) {
		return isProtoFrom(_this, signals_global) && _this !== signals_global ? _this : signals_global;
	}

	// src/dom-lib/helpers.js
	function setRemove(obj, prop, key, val) {
		return obj[(isUndef(val) ? "remove" : "set") + prop](key, val);
	}
	function setRemoveNS(obj, prop, key, val, ns = null) {
		return obj[(isUndef(val) ? "remove" : "set") + prop + "NS"](ns, key, val);
	}
	function setDelete(obj, key, val) {
		Reflect.set(obj, key, val);
		if (!isUndef(val)) return;
		return Reflect.deleteProperty(obj, key);
	}
	function elementAttribute(element, op, key, value) {
		if (isInstance(element, enviroment.H))
			return element[op + "Attribute"](key, value);
		return element[op + "AttributeNS"](null, key, value);
	}

	// src/dom-lib/el.js
	function queue(promise) {
		return enviroment.q(promise);
	}
	function append(...els) {
		this.appendOriginal(...els);
		return this;
	}
	function chainableAppend(el) {
		if (el.append === append) return el;
		el.appendOriginal = el.append;
		el.append = append;
		return el;
	}
	var namespace;
	function createElement(tag, attributes, ...addons) {
		const s = signals(this);
		let scoped = 0;
		let el, el_host;
		const att_type = typeof attributes;
		if (att_type === "string" || att_type === "number" || s.isSignal(attributes))
			attributes = { textContent: attributes };
		switch (true) {
			case typeof tag === "function": {
				scoped = 1;
				const host = (...c) => !c.length ? el_host : (scoped === 1 ? addons.unshift(...c) : c.forEach((c2) => c2(el_host)), void 0);
				scope.push({ scope: tag, host });
				el = tag(attributes || void 0);
				const is_fragment = isInstance(el, enviroment.F);
				if (el.nodeName === "#comment") break;
				const el_mark = createElement.mark({
					type: "component",
					name: tag.name,
					host: is_fragment ? "this" : "parentElement"
				});
				el.prepend(el_mark);
				if (is_fragment) el_host = el_mark;
				break;
			}
			case tag === "#text":
				el = assign.call(this, enviroment.D.createTextNode(""), attributes);
				break;
			case (tag === "<>" || !tag):
				el = assign.call(this, enviroment.D.createDocumentFragment(), attributes);
				break;
			case Boolean(namespace):
				el = assign.call(this, enviroment.D.createElementNS(namespace, tag), attributes);
				break;
			case !el:
				el = assign.call(this, enviroment.D.createElement(tag), attributes);
		}
		chainableAppend(el);
		if (!el_host) el_host = el;
		addons.forEach((c) => c(el_host));
		if (scoped) scope.pop();
		scoped = 2;
		return el;
	}
	createElement.mark = function(attrs, is_open = false) {
		attrs = Object.entries(attrs).map(([n, v]) => n + `="${v}"`).join(" ");
		const end = is_open ? "" : "/";
		const out = enviroment.D.createComment(`<dde:mark ${attrs}${enviroment.ssr}${end}>`);
		if (is_open) out.end = enviroment.D.createComment("</dde:mark>");
		return out;
	};
	function createElementNS(ns) {
		const _this = this;
		return function createElementNSCurried(...rest) {
			namespace = ns;
			const el = createElement.call(_this, ...rest);
			namespace = void 0;
			return el;
		};
	}
	var assign_context = /* @__PURE__ */ new WeakMap();
	var { setDeleteAttr: setDeleteAttr2 } = enviroment;
	function assign(element, ...attributes) {
		if (!attributes.length) return element;
		assign_context.set(element, assignContext(element, this));
		for (const [key, value] of Object.entries(oAssign({}, ...attributes)))
			assignAttribute.call(this, element, key, value);
		assign_context.delete(element);
		return element;
	}
	function assignAttribute(element, key, value) {
		const { setRemoveAttr, s } = assignContext(element, this);
		const _this = this;
		value = s.processReactiveAttribute(
			element,
			key,
			value,
			(key2, value2) => assignAttribute.call(_this, element, key2, value2)
		);
		const [k] = key;
		if ("=" === k) return setRemoveAttr(key.slice(1), value);
		if ("." === k) return setDelete(element, key.slice(1), value);
		if (/(aria|data)([A-Z])/.test(key)) {
			key = key.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase();
			return setRemoveAttr(key, value);
		}
		if ("className" === key) key = "class";
		switch (key) {
			case "xlink:href":
				return setRemoveAttr(key, value, "http://www.w3.org/1999/xlink");
			case "textContent":
				return setDeleteAttr2(element, key, value);
			case "style":
				if (typeof value !== "object") break;
			/* falls through */
			case "dataset":
				return forEachEntries(s, key, element, value, setDelete.bind(null, element[key]));
			case "ariaset":
				return forEachEntries(s, key, element, value, (key2, val) => setRemoveAttr("aria-" + key2, val));
			case "classList":
				return classListDeclarative.call(_this, element, value);
		}
		return isPropSetter(element, key) ? setDeleteAttr2(element, key, value) : setRemoveAttr(key, value);
	}
	function assignContext(element, _this) {
		if (assign_context.has(element)) return assign_context.get(element);
		const is_svg = isInstance(element, enviroment.S);
		const setRemoveAttr = (is_svg ? setRemoveNS : setRemove).bind(null, element, "Attribute");
		const s = signals(_this);
		return { setRemoveAttr, s };
	}
	function classListDeclarative(element, toggle) {
		const s = signals(this);
		forEachEntries(
			s,
			"classList",
			element,
			toggle,
			(class_name, val) => element.classList.toggle(class_name, val === -1 ? void 0 : Boolean(val))
		);
		return element;
	}
	function isPropSetter(el, key) {
		if (!(key in el)) return false;
		const des = getPropDescriptor(el, key);
		return !isUndef(des.set);
	}
	function getPropDescriptor(p, key) {
		p = Object.getPrototypeOf(p);
		if (!p) return {};
		const des = Object.getOwnPropertyDescriptor(p, key);
		if (!des) return getPropDescriptor(p, key);
		return des;
	}
	function forEachEntries(s, target, element, obj, cb) {
		const S = String;
		if (typeof obj !== "object" || obj === null) return;
		return Object.entries(obj).forEach(function process([key, val]) {
			if (!key) return;
			key = new S(key);
			key.target = target;
			val = s.processReactiveAttribute(element, key, val, cb);
			cb(key, val);
		});
	}

	// src/dom-lib/customElement.js
	function simulateSlots(element, root = element) {
		const mark_e = "\xB9\u2070", mark_s = "\u2713";
		const slots = Object.fromEntries(
			Array.from(root.querySelectorAll("slot")).filter((s) => !s.name.endsWith(mark_e)).map((s) => [s.name += mark_e, s])
		);
		element.append = new Proxy(element.append, {
			apply(orig, _, els) {
				if (els[0] === root) return orig.apply(element, els);
				for (const el of els) {
					const name = (el.slot || "") + mark_e;
					try {
						elementAttribute(el, "remove", "slot");
					} catch (_error) {
					}
					const slot = slots[name];
					if (!slot) return;
					if (!slot.name.startsWith(mark_s)) {
						slot.childNodes.forEach((c) => c.remove());
						slot.name = mark_s + name;
					}
					slot.append(el);
				}
				element.append = orig;
				return element;
			}
		});
		if (element !== root) {
			const els = Array.from(element.childNodes);
			element.append(...els);
		}
		return root;
	}
	function customElementRender(target, render, props = {}) {
		const custom_element = target.host || target;
		scope.push({
			scope: custom_element,
			host: (...c) => c.length ? c.forEach((c2) => c2(custom_element)) : custom_element
		});
		if (typeof props === "function") props = props.call(custom_element, custom_element);
		const is_lte = custom_element[keyLTE];
		if (!is_lte) lifecyclesToEvents(custom_element);
		const out = render.call(custom_element, props);
		if (!is_lte) custom_element.dispatchEvent(new Event(evc));
		if (target.nodeType === 11 && typeof target.mode === "string")
			custom_element.addEventListener(evd, c_ch_o.observe(target), { once: true });
		scope.pop();
		return target.append(out);
	}
	function lifecyclesToEvents(class_declaration) {
		wrapMethod(class_declaration.prototype, "connectedCallback", function(target, thisArg, detail) {
			target.apply(thisArg, detail);
			thisArg.dispatchEvent(new Event(evc));
		});
		wrapMethod(class_declaration.prototype, "disconnectedCallback", function(target, thisArg, detail) {
			target.apply(thisArg, detail);
			(globalThis.queueMicrotask || setTimeout)(
				() => !thisArg.isConnected && thisArg.dispatchEvent(new Event(evd))
			);
		});
		wrapMethod(class_declaration.prototype, "attributeChangedCallback", function(target, thisArg, detail) {
			const [attribute, , value] = detail;
			thisArg.dispatchEvent(new CustomEvent(eva, {
				detail: [attribute, value]
			}));
			target.apply(thisArg, detail);
		});
		class_declaration.prototype[keyLTE] = true;
		return class_declaration;
	}
	function wrapMethod(obj, method, apply) {
		obj[method] = new Proxy(obj[method] || (() => {
		}), { apply });
	}

	// src/memo.js
	var memoMark = "__dde_memo";
	var memo_scope = [];
	function memo(key, generator) {
		if (!memo_scope.length) return generator(key);
		const k = typeof key === "object" ? JSON.stringify(key) : key;
		const [{ cache, after }] = memo_scope;
		return after(k, hasOwn(cache, k) ? cache[k] : generator(key));
	}
	memo.isScope = function(obj) {
		return obj[memoMark];
	};
	memo.scope = function memoScope(fun, { signal, onlyLast } = {}) {
		let cache = oCreate();
		function memoScope2(...args) {
			if (signal && signal.aborted)
				return fun.apply(this, args);
			let cache_local = onlyLast ? cache : oCreate();
			memo_scope.unshift({
				cache,
				after(key, val) {
					return cache_local[key] = val;
				}
			});
			const out = fun.apply(this, args);
			memo_scope.shift();
			cache = cache_local;
			return out;
		}
		memoScope2[memoMark] = true;
		memoScope2.clear = () => cache = oCreate();
		if (signal) signal.addEventListener("abort", memoScope2.clear);
		return memoScope2;
	};
	return __toCommonJS(index_exports);
})();