mirror of
https://github.com/jaandrle/deka-dom-el
synced 2024-11-24 09:29:37 +01:00
882 lines
26 KiB
JavaScript
882 lines
26 KiB
JavaScript
//deka-dom-el library is available via global namespace `dde`
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(()=> {
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// src/signals-common.js
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var signals_global = {
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isSignal(attributes) {
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return false;
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},
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processReactiveAttribute(obj, key, attr, set) {
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return attr;
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}
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};
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function registerReactivity(def, global = true) {
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if (global) return Object.assign(signals_global, def);
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Object.setPrototypeOf(def, signals_global);
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return def;
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}
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function signals(_this) {
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return signals_global.isPrototypeOf(_this) && _this !== signals_global ? _this : signals_global;
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}
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// src/helpers.js
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var hasOwn = (...a) => Object.prototype.hasOwnProperty.call(...a);
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function isUndef(value) {
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return typeof value === "undefined";
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}
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function typeOf(v) {
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const t = typeof v;
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if (t !== "object") return t;
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if (v === null) return "null";
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return Object.prototype.toString.call(v);
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}
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function onAbort(signal2, listener) {
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if (!signal2 || !(signal2 instanceof AbortSignal))
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return true;
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if (signal2.aborted)
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return;
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signal2.addEventListener("abort", listener);
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return function cleanUp() {
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signal2.removeEventListener("abort", listener);
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};
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}
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function observedAttributes(instance, observedAttribute2) {
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const { observedAttributes: observedAttributes3 = [] } = instance.constructor;
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return observedAttributes3.reduce(function(out, name) {
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out[kebabToCamel(name)] = observedAttribute2(instance, name);
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return out;
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}, {});
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}
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function kebabToCamel(name) {
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return name.replace(/-./g, (x) => x[1].toUpperCase());
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}
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// src/dom-common.js
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var enviroment = {
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setDeleteAttr,
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ssr: "",
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D: globalThis.document,
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F: globalThis.DocumentFragment,
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H: globalThis.HTMLElement,
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S: globalThis.SVGElement,
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M: globalThis.MutationObserver
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};
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function setDeleteAttr(obj, prop, val) {
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Reflect.set(obj, prop, val);
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if (!isUndef(val)) return;
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Reflect.deleteProperty(obj, prop);
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if (obj instanceof enviroment.H && obj.getAttribute(prop) === "undefined")
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return obj.removeAttribute(prop);
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if (Reflect.get(obj, prop) === "undefined")
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return Reflect.set(obj, prop, "");
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}
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var keyLTE = "__dde_lifecyclesToEvents";
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var evc = "dde:connected";
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var evd = "dde:disconnected";
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var eva = "dde:attributeChanged";
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// src/dom.js
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var scopes = [{
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get scope() {
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return enviroment.D.body;
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},
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host: (c) => c ? c(enviroment.D.body) : enviroment.D.body,
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prevent: true
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}];
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var scope = {
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get current() {
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return scopes[scopes.length - 1];
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},
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get host() {
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return this.current.host;
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},
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preventDefault() {
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const { current } = this;
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current.prevent = true;
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return current;
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},
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get state() {
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return [...scopes];
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},
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push(s = {}) {
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return scopes.push(Object.assign({}, this.current, { prevent: false }, s));
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},
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pushRoot() {
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return scopes.push(scopes[0]);
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},
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pop() {
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if (scopes.length === 1) return;
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return scopes.pop();
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}
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};
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function append(...els) {
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this.appendOriginal(...els);
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return this;
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}
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function chainableAppend(el) {
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if (el.append === append) return el;
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el.appendOriginal = el.append;
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el.append = append;
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return el;
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}
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var namespace;
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function createElement(tag, attributes, ...addons) {
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const s = signals(this);
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let scoped = 0;
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let el, el_host;
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if (Object(attributes) !== attributes || s.isSignal(attributes))
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attributes = { textContent: attributes };
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switch (true) {
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case typeof tag === "function": {
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scoped = 1;
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scope.push({ scope: tag, host: (...c) => c.length ? (scoped === 1 ? addons.unshift(...c) : c.forEach((c2) => c2(el_host)), void 0) : el_host });
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el = tag(attributes || void 0);
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const is_fragment = el instanceof enviroment.F;
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if (el.nodeName === "#comment") break;
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const el_mark = createElement.mark({
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type: "component",
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name: tag.name,
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host: is_fragment ? "this" : "parentElement"
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});
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el.prepend(el_mark);
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if (is_fragment) el_host = el_mark;
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break;
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}
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case tag === "#text":
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el = assign.call(this, enviroment.D.createTextNode(""), attributes);
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break;
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case (tag === "<>" || !tag):
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el = assign.call(this, enviroment.D.createDocumentFragment(), attributes);
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break;
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case Boolean(namespace):
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el = assign.call(this, enviroment.D.createElementNS(namespace, tag), attributes);
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break;
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case !el:
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el = assign.call(this, enviroment.D.createElement(tag), attributes);
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}
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chainableAppend(el);
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if (!el_host) el_host = el;
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addons.forEach((c) => c(el_host));
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if (scoped) scope.pop();
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scoped = 2;
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return el;
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}
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function simulateSlots(element, root, mapper) {
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if (typeof root !== "object") {
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mapper = root;
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root = element;
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}
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const _default = Symbol.for("default");
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const slots = Array.from(root.querySelectorAll("slot")).reduce((out, curr) => Reflect.set(out, curr.name || _default, curr) && out, {});
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const has_d = hasOwn(slots, _default);
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element.append = new Proxy(element.append, {
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apply(orig, _, els) {
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if (els[0] === root) return orig.apply(element, els);
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if (!els.length) return element;
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const d = enviroment.D.createDocumentFragment();
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for (const el of els) {
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if (!el || !el.slot) {
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if (has_d) d.append(el);
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continue;
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}
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const name = el.slot;
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const slot = slots[name];
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elementAttribute(el, "remove", "slot");
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if (!slot) continue;
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simulateSlotReplace(slot, el, mapper);
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Reflect.deleteProperty(slots, name);
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}
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if (has_d) {
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slots[_default].replaceWith(d);
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Reflect.deleteProperty(slots, _default);
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}
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element.append = orig;
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return element;
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}
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});
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if (element !== root) {
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const els = Array.from(element.childNodes);
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els.forEach((el) => el.remove());
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element.append(...els);
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}
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return root;
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}
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function simulateSlotReplace(slot, element, mapper) {
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if (mapper) mapper(slot, element);
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try {
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slot.replaceWith(assign(element, { className: [element.className, slot.className], dataset: { ...slot.dataset } }));
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} catch (_) {
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slot.replaceWith(element);
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}
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}
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createElement.mark = function(attrs, is_open = false) {
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attrs = Object.entries(attrs).map(([n, v]) => n + `="${v}"`).join(" ");
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const end = is_open ? "" : "/";
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const out = enviroment.D.createComment(`<dde:mark ${attrs}${enviroment.ssr}${end}>`);
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if (is_open) out.end = enviroment.D.createComment("</dde:mark>");
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return out;
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};
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function createElementNS(ns) {
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const _this = this;
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return function createElementNSCurried(...rest) {
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namespace = ns;
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const el = createElement.call(_this, ...rest);
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namespace = void 0;
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return el;
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};
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}
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var assign_context = /* @__PURE__ */ new WeakMap();
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var { setDeleteAttr: setDeleteAttr2 } = enviroment;
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function assign(element, ...attributes) {
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if (!attributes.length) return element;
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assign_context.set(element, assignContext(element, this));
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for (const [key, value] of Object.entries(Object.assign({}, ...attributes)))
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assignAttribute.call(this, element, key, value);
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assign_context.delete(element);
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return element;
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}
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function assignAttribute(element, key, value) {
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const { setRemoveAttr, s } = assignContext(element, this);
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const _this = this;
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value = s.processReactiveAttribute(
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element,
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key,
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value,
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(key2, value2) => assignAttribute.call(_this, element, key2, value2)
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);
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const [k] = key;
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if ("=" === k) return setRemoveAttr(key.slice(1), value);
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if ("." === k) return setDelete(element, key.slice(1), value);
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if (/(aria|data)([A-Z])/.test(key)) {
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key = key.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase();
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return setRemoveAttr(key, value);
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}
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if ("className" === key) key = "class";
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switch (key) {
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case "xlink:href":
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return setRemoveAttr(key, value, "http://www.w3.org/1999/xlink");
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case "textContent":
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return setDeleteAttr2(element, key, value);
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case "style":
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if (typeof value !== "object") break;
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/* falls through */
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case "dataset":
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return forEachEntries(s, value, setDelete.bind(null, element[key]));
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case "ariaset":
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return forEachEntries(s, value, (key2, val) => setRemoveAttr("aria-" + key2, val));
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case "classList":
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return classListDeclarative.call(_this, element, value);
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}
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return isPropSetter(element, key) ? setDeleteAttr2(element, key, value) : setRemoveAttr(key, value);
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}
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function assignContext(element, _this) {
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if (assign_context.has(element)) return assign_context.get(element);
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const is_svg = element instanceof enviroment.S;
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const setRemoveAttr = (is_svg ? setRemoveNS : setRemove).bind(null, element, "Attribute");
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const s = signals(_this);
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return { setRemoveAttr, s };
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}
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function classListDeclarative(element, toggle) {
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const s = signals(this);
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forEachEntries(
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s,
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toggle,
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(class_name, val) => element.classList.toggle(class_name, val === -1 ? void 0 : Boolean(val))
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);
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return element;
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}
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function empty(el) {
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Array.from(el.children).forEach((el2) => el2.remove());
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return el;
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}
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function elementAttribute(element, op, key, value) {
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if (element instanceof enviroment.H)
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return element[op + "Attribute"](key, value);
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return element[op + "AttributeNS"](null, key, value);
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}
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function isPropSetter(el, key) {
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if (!(key in el)) return false;
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const des = getPropDescriptor(el, key);
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return !isUndef(des.set);
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}
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function getPropDescriptor(p, key) {
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p = Object.getPrototypeOf(p);
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if (!p) return {};
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const des = Object.getOwnPropertyDescriptor(p, key);
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if (!des) return getPropDescriptor(p, key);
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return des;
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}
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function forEachEntries(s, obj, cb) {
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if (typeof obj !== "object" || obj === null) return;
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return Object.entries(obj).forEach(function process([key, val]) {
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if (!key) return;
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val = s.processReactiveAttribute(obj, key, val, cb);
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cb(key, val);
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});
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}
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function attrArrToStr(attr) {
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return Array.isArray(attr) ? attr.filter(Boolean).join(" ") : attr;
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}
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function setRemove(obj, prop, key, val) {
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return obj[(isUndef(val) ? "remove" : "set") + prop](key, attrArrToStr(val));
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}
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function setRemoveNS(obj, prop, key, val, ns = null) {
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return obj[(isUndef(val) ? "remove" : "set") + prop + "NS"](ns, key, attrArrToStr(val));
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}
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function setDelete(obj, key, val) {
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Reflect.set(obj, key, val);
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if (!isUndef(val)) return;
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return Reflect.deleteProperty(obj, key);
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}
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// src/events-observer.js
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var c_ch_o = enviroment.M ? connectionsChangesObserverConstructor() : new Proxy({}, {
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get() {
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return () => {
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};
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}
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});
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function connectionsChangesObserverConstructor() {
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const store = /* @__PURE__ */ new Map();
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let is_observing = false;
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const observerListener = (stop2) => function(mutations) {
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for (const mutation of mutations) {
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if (mutation.type !== "childList") continue;
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if (observerAdded(mutation.addedNodes, true)) {
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stop2();
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continue;
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}
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if (observerRemoved(mutation.removedNodes, true))
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stop2();
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}
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};
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const observer = new enviroment.M(observerListener(stop));
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return {
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observe(element) {
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const o = new enviroment.M(observerListener(() => {
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}));
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o.observe(element, { childList: true, subtree: true });
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return () => o.disconnect();
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},
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onConnected(element, listener) {
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start();
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const listeners = getElementStore(element);
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if (listeners.connected.has(listener)) return;
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listeners.connected.add(listener);
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listeners.length_c += 1;
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},
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offConnected(element, listener) {
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if (!store.has(element)) return;
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const ls = store.get(element);
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if (!ls.connected.has(listener)) return;
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ls.connected.delete(listener);
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ls.length_c -= 1;
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cleanWhenOff(element, ls);
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},
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onDisconnected(element, listener) {
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start();
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const listeners = getElementStore(element);
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if (listeners.disconnected.has(listener)) return;
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listeners.disconnected.add(listener);
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listeners.length_d += 1;
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},
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offDisconnected(element, listener) {
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if (!store.has(element)) return;
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const ls = store.get(element);
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if (!ls.disconnected.has(listener)) return;
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ls.disconnected.delete(listener);
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ls.length_d -= 1;
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cleanWhenOff(element, ls);
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}
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};
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function cleanWhenOff(element, ls) {
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if (ls.length_c || ls.length_d)
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return;
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store.delete(element);
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stop();
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}
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function getElementStore(element) {
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if (store.has(element)) return store.get(element);
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const out = {
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connected: /* @__PURE__ */ new WeakSet(),
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length_c: 0,
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disconnected: /* @__PURE__ */ new WeakSet(),
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length_d: 0
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};
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store.set(element, out);
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return out;
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}
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function start() {
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if (is_observing) return;
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is_observing = true;
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observer.observe(enviroment.D.body, { childList: true, subtree: true });
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}
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function stop() {
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if (!is_observing || store.size) return;
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is_observing = false;
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observer.disconnect();
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}
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function requestIdle() {
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return new Promise(function(resolve) {
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(requestIdleCallback || requestAnimationFrame)(resolve);
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});
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}
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async function collectChildren(element) {
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if (store.size > 30)
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await requestIdle();
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const out = [];
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if (!(element instanceof Node)) return out;
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for (const el of store.keys()) {
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if (el === element || !(el instanceof Node)) continue;
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if (element.contains(el))
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out.push(el);
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}
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return out;
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}
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function observerAdded(addedNodes, is_root) {
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let out = false;
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for (const element of addedNodes) {
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if (is_root) collectChildren(element).then(observerAdded);
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if (!store.has(element)) continue;
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const ls = store.get(element);
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if (!ls.length_c) continue;
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element.dispatchEvent(new Event(evc));
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ls.connected = /* @__PURE__ */ new WeakSet();
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ls.length_c = 0;
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if (!ls.length_d) store.delete(element);
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out = true;
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}
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return out;
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}
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function observerRemoved(removedNodes, is_root) {
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let out = false;
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for (const element of removedNodes) {
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if (is_root) collectChildren(element).then(observerRemoved);
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if (!store.has(element)) continue;
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const ls = store.get(element);
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if (!ls.length_d) continue;
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(globalThis.queueMicrotask || setTimeout)(dispatchRemove(element));
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out = true;
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}
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return out;
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}
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function dispatchRemove(element) {
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return () => {
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if (element.isConnected) return;
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element.dispatchEvent(new Event(evd));
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store.delete(element);
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};
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}
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}
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// src/customElement.js
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function customElementRender(custom_element, target, render, props = observedAttributes2) {
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scope.push({
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scope: custom_element,
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host: (...c) => c.length ? c.forEach((c2) => c2(custom_element)) : custom_element
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});
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if (typeof props === "function") props = props.call(custom_element, custom_element);
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const is_lte = custom_element[keyLTE];
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if (!is_lte) lifecyclesToEvents(custom_element);
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const out = render.call(custom_element, props);
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if (!is_lte) custom_element.dispatchEvent(new Event(evc));
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if (target.nodeType === 11 && typeof target.mode === "string")
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custom_element.addEventListener(evd, c_ch_o.observe(target), { once: true });
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scope.pop();
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return target.append(out);
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}
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function lifecyclesToEvents(class_declaration) {
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wrapMethod(class_declaration.prototype, "connectedCallback", function(target, thisArg, detail) {
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target.apply(thisArg, detail);
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thisArg.dispatchEvent(new Event(evc));
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});
|
|
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 });
|
|
}
|
|
function observedAttributes2(instance) {
|
|
return observedAttributes(instance, (i, n) => i.getAttribute(n));
|
|
}
|
|
|
|
// src/events.js
|
|
function dispatchEvent(name, options, host) {
|
|
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, Object.assign({ 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;
|
|
};
|
|
}
|
|
var lifeOptions = (obj) => Object.assign({}, 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;
|
|
};
|
|
};
|
|
var store_abort = /* @__PURE__ */ new WeakMap();
|
|
on.disconnectedAsAbort = function(host) {
|
|
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;
|
|
};
|
|
var els_attribute_store = /* @__PURE__ */ new WeakSet();
|
|
on.attributeChanged = function(listener, options) {
|
|
if (typeof options !== "object")
|
|
options = {};
|
|
return function registerElement(element) {
|
|
element.addEventListener(eva, listener, options);
|
|
if (element[keyLTE] || els_attribute_store.has(element))
|
|
return element;
|
|
if (!enviroment.M) return element;
|
|
const observer = new enviroment.M(function(mutations) {
|
|
for (const { attributeName, target } of mutations)
|
|
target.dispatchEvent(
|
|
new CustomEvent(eva, { detail: [attributeName, target.getAttribute(attributeName)] })
|
|
);
|
|
});
|
|
const c = onAbort(options.signal, () => observer.disconnect());
|
|
if (c) observer.observe(element, { attributes: true });
|
|
return element;
|
|
};
|
|
};
|
|
|
|
// src/signals-lib.js
|
|
var mark = "__dde_signal";
|
|
function isSignal(candidate) {
|
|
try {
|
|
return hasOwn(candidate, mark);
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
var stack_watch = [];
|
|
var deps = /* @__PURE__ */ new WeakMap();
|
|
function signal(value, actions) {
|
|
if (typeof value !== "function")
|
|
return create(false, value, actions);
|
|
if (isSignal(value)) return value;
|
|
const out = create(true);
|
|
const contextReWatch = function() {
|
|
const [origin, ...deps_old] = deps.get(contextReWatch);
|
|
deps.set(contextReWatch, /* @__PURE__ */ new Set([origin]));
|
|
stack_watch.push(contextReWatch);
|
|
write(out, value());
|
|
stack_watch.pop();
|
|
if (!deps_old.length) return;
|
|
const deps_curr = deps.get(contextReWatch);
|
|
for (const dep_signal of deps_old) {
|
|
if (deps_curr.has(dep_signal)) continue;
|
|
removeSignalListener(dep_signal, contextReWatch);
|
|
}
|
|
};
|
|
deps.set(out[mark], contextReWatch);
|
|
deps.set(contextReWatch, /* @__PURE__ */ new Set([out]));
|
|
contextReWatch();
|
|
return out;
|
|
}
|
|
signal.action = function(s, name, ...a) {
|
|
const M = s[mark], { actions } = M;
|
|
if (!actions || !(name in actions))
|
|
throw new Error(`'${s}' has no action with name '${name}'!`);
|
|
actions[name].apply(M, a);
|
|
if (M.skip) return delete M.skip;
|
|
M.listeners.forEach((l) => l(M.value));
|
|
};
|
|
signal.on = function on2(s, listener, options = {}) {
|
|
const { signal: as } = options;
|
|
if (as && as.aborted) return;
|
|
if (Array.isArray(s)) return s.forEach((s2) => on2(s2, listener, options));
|
|
addSignalListener(s, listener);
|
|
if (as) as.addEventListener("abort", () => removeSignalListener(s, listener));
|
|
};
|
|
signal.symbols = {
|
|
//signal: mark,
|
|
onclear: Symbol.for("Signal.onclear")
|
|
};
|
|
signal.clear = function(...signals2) {
|
|
for (const s of signals2) {
|
|
const M = s[mark];
|
|
if (!M) continue;
|
|
delete s.toJSON;
|
|
M.onclear.forEach((f) => f.call(M));
|
|
clearListDeps(s, M);
|
|
delete s[mark];
|
|
}
|
|
function clearListDeps(s, o) {
|
|
o.listeners.forEach((l) => {
|
|
o.listeners.delete(l);
|
|
if (!deps.has(l)) return;
|
|
const ls = deps.get(l);
|
|
ls.delete(s);
|
|
if (ls.size > 1) return;
|
|
s.clear(...ls);
|
|
deps.delete(l);
|
|
});
|
|
}
|
|
};
|
|
var key_reactive = "__dde_reactive";
|
|
signal.el = function(s, map) {
|
|
const mark_start = createElement.mark({ type: "reactive" }, true);
|
|
const mark_end = mark_start.end;
|
|
const out = enviroment.D.createDocumentFragment();
|
|
out.append(mark_start, mark_end);
|
|
const { current } = scope;
|
|
let cache = {};
|
|
const reRenderReactiveElement = (v) => {
|
|
if (!mark_start.parentNode || !mark_end.parentNode)
|
|
return removeSignalListener(s, reRenderReactiveElement);
|
|
const cache_tmp = cache;
|
|
cache = {};
|
|
scope.push(current);
|
|
let els = map(v, function useCache(key, fun) {
|
|
let value;
|
|
if (hasOwn(cache_tmp, key)) {
|
|
value = cache_tmp[key];
|
|
delete cache_tmp[key];
|
|
} else
|
|
value = fun();
|
|
cache[key] = value;
|
|
return value;
|
|
});
|
|
scope.pop();
|
|
if (!Array.isArray(els))
|
|
els = [els];
|
|
const el_start_rm = document.createComment("");
|
|
els.push(el_start_rm);
|
|
mark_start.after(...els);
|
|
let el_r;
|
|
while ((el_r = el_start_rm.nextSibling) && el_r !== mark_end)
|
|
el_r.remove();
|
|
el_start_rm.remove();
|
|
if (mark_start.isConnected)
|
|
requestCleanUpReactives(current.host());
|
|
};
|
|
addSignalListener(s, reRenderReactiveElement);
|
|
removeSignalsFromElements(s, reRenderReactiveElement, mark_start, map);
|
|
reRenderReactiveElement(s());
|
|
return out;
|
|
};
|
|
function requestCleanUpReactives(host) {
|
|
if (!host || !host[key_reactive]) return;
|
|
(requestIdleCallback || setTimeout)(function() {
|
|
host[key_reactive] = host[key_reactive].filter(([s, el]) => el.isConnected ? true : (removeSignalListener(...s), false));
|
|
});
|
|
}
|
|
var observedAttributeActions = {
|
|
_set(value) {
|
|
this.value = value;
|
|
}
|
|
};
|
|
function observedAttribute(store) {
|
|
return function(instance, name) {
|
|
const varS = (...args) => !args.length ? read(varS) : instance.setAttribute(name, ...args);
|
|
const out = toSignal(varS, instance.getAttribute(name), observedAttributeActions);
|
|
store[name] = out;
|
|
return out;
|
|
};
|
|
}
|
|
var key_attributes = "__dde_attributes";
|
|
signal.observedAttributes = function(element) {
|
|
const store = element[key_attributes] = {};
|
|
const attrs = observedAttributes(element, observedAttribute(store));
|
|
on.attributeChanged(function attributeChangeToSignal({ detail }) {
|
|
/*! This maps attributes to signals (`S.observedAttributes`).
|
|
* Investigate `__dde_attributes` key of the element.*/
|
|
const [name, value] = detail;
|
|
const curr = this[key_attributes][name];
|
|
if (curr) return signal.action(curr, "_set", value);
|
|
})(element);
|
|
on.disconnected(function() {
|
|
/*! This removes all signals mapped to attributes (`S.observedAttributes`).
|
|
* Investigate `__dde_attributes` key of the element.*/
|
|
signal.clear(...Object.values(this[key_attributes]));
|
|
})(element);
|
|
return attrs;
|
|
};
|
|
var signals_config = {
|
|
isSignal,
|
|
processReactiveAttribute(element, key, attrs, set) {
|
|
if (!isSignal(attrs)) return attrs;
|
|
const l = (attr) => {
|
|
if (!element.isConnected)
|
|
return removeSignalListener(attrs, l);
|
|
set(key, attr);
|
|
};
|
|
addSignalListener(attrs, l);
|
|
removeSignalsFromElements(attrs, l, element, key);
|
|
return attrs();
|
|
}
|
|
};
|
|
function removeSignalsFromElements(s, listener, ...notes) {
|
|
const { current } = scope;
|
|
if (current.prevent) return;
|
|
current.host(function(element) {
|
|
if (!element[key_reactive]) {
|
|
element[key_reactive] = [];
|
|
on.disconnected(
|
|
() => (
|
|
/*!
|
|
* Clears all Signals listeners added in the current scope/host (`S.el`, `assign`, …?).
|
|
* You can investigate the `__dde_reactive` key of the element.
|
|
* */
|
|
element[key_reactive].forEach(([[s2, listener2]]) => removeSignalListener(s2, listener2, s2[mark] && s2[mark].host && s2[mark].host() === element))
|
|
)
|
|
)(element);
|
|
}
|
|
element[key_reactive].push([[s, listener], ...notes]);
|
|
});
|
|
}
|
|
function create(is_readonly, value, actions) {
|
|
const varS = is_readonly ? () => read(varS) : (...value2) => value2.length ? write(varS, ...value2) : read(varS);
|
|
return toSignal(varS, value, actions, is_readonly);
|
|
}
|
|
var protoSigal = Object.assign(/* @__PURE__ */ Object.create(null), {
|
|
stopPropagation() {
|
|
this.skip = true;
|
|
}
|
|
});
|
|
var SignalDefined = class extends Error {
|
|
constructor() {
|
|
super();
|
|
const [curr, ...rest] = this.stack.split("\n");
|
|
const curr_file = curr.slice(curr.indexOf("@"), curr.indexOf(".js:") + 4);
|
|
this.stack = rest.find((l) => !l.includes(curr_file));
|
|
}
|
|
};
|
|
function toSignal(s, value, actions, readonly = false) {
|
|
const onclear = [];
|
|
if (typeOf(actions) !== "[object Object]")
|
|
actions = {};
|
|
const { onclear: ocs } = signal.symbols;
|
|
if (actions[ocs]) {
|
|
onclear.push(actions[ocs]);
|
|
delete actions[ocs];
|
|
}
|
|
const { host } = scope;
|
|
Reflect.defineProperty(s, mark, {
|
|
value: {
|
|
value,
|
|
actions,
|
|
onclear,
|
|
host,
|
|
listeners: /* @__PURE__ */ new Set(),
|
|
defined: new SignalDefined().stack,
|
|
readonly
|
|
},
|
|
enumerable: false,
|
|
writable: false,
|
|
configurable: true
|
|
});
|
|
s.toJSON = () => s();
|
|
s.valueOf = () => s[mark] && s[mark].value;
|
|
Object.setPrototypeOf(s[mark], protoSigal);
|
|
return s;
|
|
}
|
|
function currentContext() {
|
|
return stack_watch[stack_watch.length - 1];
|
|
}
|
|
function read(s) {
|
|
if (!s[mark]) return;
|
|
const { value, listeners } = s[mark];
|
|
const context = currentContext();
|
|
if (context) listeners.add(context);
|
|
if (deps.has(context)) deps.get(context).add(s);
|
|
return value;
|
|
}
|
|
function write(s, value, force) {
|
|
if (!s[mark]) return;
|
|
const M = s[mark];
|
|
if (!force && M.value === value) return;
|
|
M.value = value;
|
|
M.listeners.forEach((l) => l(value));
|
|
return value;
|
|
}
|
|
function addSignalListener(s, listener) {
|
|
if (!s[mark]) return;
|
|
return s[mark].listeners.add(listener);
|
|
}
|
|
function removeSignalListener(s, listener, clear_when_empty) {
|
|
const M = s[mark];
|
|
if (!M) return;
|
|
const out = M.listeners.delete(listener);
|
|
if (clear_when_empty && !M.listeners.size) {
|
|
signal.clear(s);
|
|
if (!deps.has(M)) return out;
|
|
const c = deps.get(M);
|
|
if (!deps.has(c)) return out;
|
|
deps.get(c).forEach((sig) => removeSignalListener(sig, c, true));
|
|
}
|
|
return out;
|
|
}
|
|
|
|
// signals.js
|
|
registerReactivity(signals_config);
|
|
|
|
globalThis.dde= {
|
|
S: signal,
|
|
assign,
|
|
assignAttribute,
|
|
chainableAppend,
|
|
classListDeclarative,
|
|
createElement,
|
|
createElementNS,
|
|
customElementRender,
|
|
customElementWithDDE: lifecyclesToEvents,
|
|
dispatchEvent,
|
|
el: createElement,
|
|
elNS: createElementNS,
|
|
elementAttribute,
|
|
empty,
|
|
isSignal,
|
|
lifecyclesToEvents,
|
|
observedAttributes: observedAttributes2,
|
|
on,
|
|
registerReactivity,
|
|
scope,
|
|
signal,
|
|
simulateSlots
|
|
};
|
|
|
|
})(); |