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mirror of https://github.com/jaandrle/deka-dom-el synced 2024-11-24 09:29:37 +01:00
deka-dom-el/dist/dde-with-signals.js
2024-11-07 10:17:54 +01:00

882 lines
26 KiB
JavaScript

//deka-dom-el library is available via global namespace `dde`
(()=> {
// src/signals-common.js
var signals_global = {
isSignal(attributes) {
return false;
},
processReactiveAttribute(obj, key, attr, set) {
return attr;
}
};
function registerReactivity(def, global = true) {
if (global) return Object.assign(signals_global, def);
Object.setPrototypeOf(def, signals_global);
return def;
}
function signals(_this) {
return signals_global.isPrototypeOf(_this) && _this !== signals_global ? _this : signals_global;
}
// src/helpers.js
var hasOwn = (...a) => Object.prototype.hasOwnProperty.call(...a);
function isUndef(value) {
return typeof value === "undefined";
}
function typeOf(v) {
const t = typeof v;
if (t !== "object") return t;
if (v === null) return "null";
return Object.prototype.toString.call(v);
}
function onAbort(signal2, listener) {
if (!signal2 || !(signal2 instanceof AbortSignal))
return true;
if (signal2.aborted)
return;
signal2.addEventListener("abort", listener);
return function cleanUp() {
signal2.removeEventListener("abort", listener);
};
}
function observedAttributes(instance, observedAttribute2) {
const { observedAttributes: observedAttributes3 = [] } = instance.constructor;
return observedAttributes3.reduce(function(out, name) {
out[kebabToCamel(name)] = observedAttribute2(instance, name);
return out;
}, {});
}
function kebabToCamel(name) {
return name.replace(/-./g, (x) => x[1].toUpperCase());
}
// src/dom-common.js
var enviroment = {
setDeleteAttr,
ssr: "",
D: globalThis.document,
F: globalThis.DocumentFragment,
H: globalThis.HTMLElement,
S: globalThis.SVGElement,
M: globalThis.MutationObserver
};
function setDeleteAttr(obj, prop, val) {
Reflect.set(obj, prop, val);
if (!isUndef(val)) return;
Reflect.deleteProperty(obj, prop);
if (obj instanceof 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.js
var scopes = [{
get scope() {
return enviroment.D.body;
},
host: (c) => c ? c(enviroment.D.body) : enviroment.D.body,
prevent: true
}];
var scope = {
get current() {
return scopes[scopes.length - 1];
},
get host() {
return this.current.host;
},
preventDefault() {
const { current } = this;
current.prevent = true;
return current;
},
get state() {
return [...scopes];
},
push(s = {}) {
return scopes.push(Object.assign({}, this.current, { prevent: false }, s));
},
pushRoot() {
return scopes.push(scopes[0]);
},
pop() {
if (scopes.length === 1) return;
return scopes.pop();
}
};
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;
if (Object(attributes) !== attributes || s.isSignal(attributes))
attributes = { textContent: attributes };
switch (true) {
case typeof tag === "function": {
scoped = 1;
scope.push({ scope: tag, host: (...c) => c.length ? (scoped === 1 ? addons.unshift(...c) : c.forEach((c2) => c2(el_host)), void 0) : el_host });
el = tag(attributes || void 0);
const is_fragment = el instanceof 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;
}
function simulateSlots(element, root, mapper) {
if (typeof root !== "object") {
mapper = root;
root = element;
}
const _default = Symbol.for("default");
const slots = Array.from(root.querySelectorAll("slot")).reduce((out, curr) => Reflect.set(out, curr.name || _default, curr) && out, {});
const has_d = hasOwn(slots, _default);
element.append = new Proxy(element.append, {
apply(orig, _, els) {
if (els[0] === root) return orig.apply(element, els);
if (!els.length) return element;
const d = enviroment.D.createDocumentFragment();
for (const el of els) {
if (!el || !el.slot) {
if (has_d) d.append(el);
continue;
}
const name = el.slot;
const slot = slots[name];
elementAttribute(el, "remove", "slot");
if (!slot) continue;
simulateSlotReplace(slot, el, mapper);
Reflect.deleteProperty(slots, name);
}
if (has_d) {
slots[_default].replaceWith(d);
Reflect.deleteProperty(slots, _default);
}
element.append = orig;
return element;
}
});
if (element !== root) {
const els = Array.from(element.childNodes);
els.forEach((el) => el.remove());
element.append(...els);
}
return root;
}
function simulateSlotReplace(slot, element, mapper) {
if (mapper) mapper(slot, element);
try {
slot.replaceWith(assign(element, { className: [element.className, slot.className], dataset: { ...slot.dataset } }));
} catch (_) {
slot.replaceWith(element);
}
}
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(Object.assign({}, ...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, value, setDelete.bind(null, element[key]));
case "ariaset":
return forEachEntries(s, 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 = element instanceof 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,
toggle,
(class_name, val) => element.classList.toggle(class_name, val === -1 ? void 0 : Boolean(val))
);
return element;
}
function empty(el) {
Array.from(el.children).forEach((el2) => el2.remove());
return el;
}
function elementAttribute(element, op, key, value) {
if (element instanceof enviroment.H)
return element[op + "Attribute"](key, value);
return element[op + "AttributeNS"](null, key, value);
}
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, obj, cb) {
if (typeof obj !== "object" || obj === null) return;
return Object.entries(obj).forEach(function process([key, val]) {
if (!key) return;
val = s.processReactiveAttribute(obj, key, val, cb);
cb(key, val);
});
}
function attrArrToStr(attr) {
return Array.isArray(attr) ? attr.filter(Boolean).join(" ") : attr;
}
function setRemove(obj, prop, key, val) {
return obj[(isUndef(val) ? "remove" : "set") + prop](key, attrArrToStr(val));
}
function setRemoveNS(obj, prop, key, val, ns = null) {
return obj[(isUndef(val) ? "remove" : "set") + prop + "NS"](ns, key, attrArrToStr(val));
}
function setDelete(obj, key, val) {
Reflect.set(obj, key, val);
if (!isUndef(val)) return;
return Reflect.deleteProperty(obj, key);
}
// src/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 {
observe(element) {
const o = new enviroment.M(observerListener(() => {
}));
o.observe(element, { childList: true, subtree: true });
return () => o.disconnect();
},
onConnected(element, listener) {
start();
const listeners = getElementStore(element);
if (listeners.connected.has(listener)) return;
listeners.connected.add(listener);
listeners.length_c += 1;
},
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);
},
onDisconnected(element, listener) {
start();
const listeners = getElementStore(element);
if (listeners.disconnected.has(listener)) return;
listeners.disconnected.add(listener);
listeners.length_d += 1;
},
offDisconnected(element, listener) {
if (!store.has(element)) return;
const ls = store.get(element);
if (!ls.disconnected.has(listener)) return;
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 (!(element instanceof Node)) return out;
for (const el of store.keys()) {
if (el === element || !(el instanceof Node)) 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/customElement.js
function customElementRender(custom_element, target, render, props = observedAttributes2) {
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 });
}
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
};
})();