🔤 examples+best paractises

dist/esm-with-signals.js

@@ -41,19 +41,6 @@ function observedAttributes(instance, observedAttribute2) {
 function kebabToCamel(name) {
 	return name.replace(/-./g, (x) => x[1].toUpperCase());
 }
-var Defined = class extends Error {
-	constructor() {
-		super();
-		const [curr, ...rest] = this.stack.split("\n");
-		const curr_file = curr.slice(curr.indexOf("@"), curr.indexOf(".js:") + 4);
-		const curr_lib = curr_file.includes("src/helpers.js") ? "src/" : curr_file;
-		this.stack = rest.find((l) => !l.includes(curr_lib)) || curr;
-	}
-	get compact() {
-		const { stack } = this;
-		return stack.slice(0, stack.indexOf("@") + 1) + "\u2026" + stack.slice(stack.lastIndexOf("/"));
-	}
-};
 
 // src/dom-lib/common.js
 var enviroment = {
@@ -303,7 +290,7 @@ var store_abort = /* @__PURE__ */ new WeakMap();
 var scope = {
 	/**
 	* Gets the current scope
-	* @returns {Object} Current scope context
+	* @returns {typeof scopes[number]} Current scope context
 	*/
 	get current() {
 		return scopes[scopes.length - 1];
@@ -663,9 +650,9 @@ function memo(key, generator) {
 memo.isScope = function(obj) {
 	return obj[memoMark];
 };
-memo.scope = function memoScope(fun, { signal: signal2, onlyLast } = {}) {
+memo.scope = function memoScopeCreate(fun, { signal: signal2, onlyLast } = {}) {
 	let cache = oCreate();
-	function memoScope2(...args) {
+	function memoScope(...args) {
 		if (signal2 && signal2.aborted)
 			return fun.apply(this, args);
 		let cache_local = onlyLast ? cache : oCreate();
@@ -680,10 +667,10 @@ memo.scope = function memoScope(fun, { signal: signal2, onlyLast } = {}) {
 		cache = cache_local;
 		return out;
 	}
-	memoScope2[memoMark] = true;
-	memoScope2.clear = () => cache = oCreate();
-	if (signal2) signal2.addEventListener("abort", memoScope2.clear);
-	return memoScope2;
+	memoScope[memoMark] = true;
+	memoScope.clear = () => cache = oCreate();
+	if (signal2) signal2.addEventListener("abort", memoScope.clear);
+	return memoScope;
 };
 
 // src/signals-lib/helpers.js
@@ -800,17 +787,17 @@ signal.clear = function(...signals2) {
 };
 var key_reactive = "__dde_reactive";
 signal.el = function(s, map) {
-	map = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true });
-	const mark_start = createElement.mark({ type: "reactive", source: new Defined().compact }, true);
+	const mapScoped = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true });
+	const { current } = scope, { scope: sc } = current;
+	const mark_start = createElement.mark({ type: "reactive", component: sc && sc.name || "" }, true);
 	const mark_end = mark_start.end;
 	const out = enviroment.D.createDocumentFragment();
 	out.append(mark_start, mark_end);
-	const { current } = scope;
 	const reRenderReactiveElement = (v) => {
 		if (!mark_start.parentNode || !mark_end.parentNode)
 			return removeSignalListener(s, reRenderReactiveElement);
 		scope.push(current);
-		let els = map(v);
+		let els = mapScoped(v);
 		scope.pop();
 		if (!Array.isArray(els))
 			els = [els];
@@ -830,7 +817,7 @@ signal.el = function(s, map) {
 	current.host(on.disconnected(
 		() => (
 			/*! Clears cached elements for reactive element `S.el` */
-			map.clear()
+			mapScoped.clear()
 		)
 	));
 	return out;
@@ -902,9 +889,8 @@ var signals_config = {
 function removeSignalsFromElements(s, listener, ...notes) {
 	const { current } = scope;
 	current.host(function(element) {
-		if (element[key_reactive])
-			return element[key_reactive].push([[s, listener], ...notes]);
-		element[key_reactive] = [];
+		if (!element[key_reactive]) element[key_reactive] = [];
+		element[key_reactive].push([[s, listener], ...notes]);
 		if (current.prevent) return;
 		on.disconnected(
 			() => (
@@ -949,7 +935,6 @@ function toSignal(s, value, actions, readonly = false) {
 			onclear,
 			host,
 			listeners: /* @__PURE__ */ new Set(),
-			defined: new Defined().stack,
 			readonly
 		}),
 		enumerable: false,

dist/esm.js

@@ -274,7 +274,7 @@ var store_abort = /* @__PURE__ */ new WeakMap();
 var scope = {
 	/**
 	* Gets the current scope
-	* @returns {Object} Current scope context
+	* @returns {typeof scopes[number]} Current scope context
 	*/
 	get current() {
 		return scopes[scopes.length - 1];
@@ -634,9 +634,9 @@ function memo(key, generator) {
 memo.isScope = function(obj) {
 	return obj[memoMark];
 };
-memo.scope = function memoScope(fun, { signal, onlyLast } = {}) {
+memo.scope = function memoScopeCreate(fun, { signal, onlyLast } = {}) {
 	let cache = oCreate();
-	function memoScope2(...args) {
+	function memoScope(...args) {
 		if (signal && signal.aborted)
 			return fun.apply(this, args);
 		let cache_local = onlyLast ? cache : oCreate();
@@ -651,10 +651,10 @@ memo.scope = function memoScope(fun, { signal, onlyLast } = {}) {
 		cache = cache_local;
 		return out;
 	}
-	memoScope2[memoMark] = true;
-	memoScope2.clear = () => cache = oCreate();
-	if (signal) signal.addEventListener("abort", memoScope2.clear);
-	return memoScope2;
+	memoScope[memoMark] = true;
+	memoScope.clear = () => cache = oCreate();
+	if (signal) signal.addEventListener("abort", memoScope.clear);
+	return memoScope;
 };
 export {
 	assign,

dist/iife-with-signals.js

@@ -86,19 +86,6 @@ var DDE = (() => {
 	function kebabToCamel(name) {
 		return name.replace(/-./g, (x) => x[1].toUpperCase());
 	}
-	var Defined = class extends Error {
-		constructor() {
-			super();
-			const [curr, ...rest] = this.stack.split("\n");
-			const curr_file = curr.slice(curr.indexOf("@"), curr.indexOf(".js:") + 4);
-			const curr_lib = curr_file.includes("src/helpers.js") ? "src/" : curr_file;
-			this.stack = rest.find((l) => !l.includes(curr_lib)) || curr;
-		}
-		get compact() {
-			const { stack } = this;
-			return stack.slice(0, stack.indexOf("@") + 1) + "\u2026" + stack.slice(stack.lastIndexOf("/"));
-		}
-	};
 
 	// src/dom-lib/common.js
 	var enviroment = {
@@ -348,7 +335,7 @@ var DDE = (() => {
 	var scope = {
 		/**
 		* Gets the current scope
-		* @returns {Object} Current scope context
+		* @returns {typeof scopes[number]} Current scope context
 		*/
 		get current() {
 			return scopes[scopes.length - 1];
@@ -708,9 +695,9 @@ var DDE = (() => {
 	memo.isScope = function(obj) {
 		return obj[memoMark];
 	};
-	memo.scope = function memoScope(fun, { signal: signal2, onlyLast } = {}) {
+	memo.scope = function memoScopeCreate(fun, { signal: signal2, onlyLast } = {}) {
 		let cache = oCreate();
-		function memoScope2(...args) {
+		function memoScope(...args) {
 			if (signal2 && signal2.aborted)
 				return fun.apply(this, args);
 			let cache_local = onlyLast ? cache : oCreate();
@@ -725,10 +712,10 @@ var DDE = (() => {
 			cache = cache_local;
 			return out;
 		}
-		memoScope2[memoMark] = true;
-		memoScope2.clear = () => cache = oCreate();
-		if (signal2) signal2.addEventListener("abort", memoScope2.clear);
-		return memoScope2;
+		memoScope[memoMark] = true;
+		memoScope.clear = () => cache = oCreate();
+		if (signal2) signal2.addEventListener("abort", memoScope.clear);
+		return memoScope;
 	};
 
 	// src/signals-lib/helpers.js
@@ -845,17 +832,17 @@ var DDE = (() => {
 	};
 	var key_reactive = "__dde_reactive";
 	signal.el = function(s, map) {
-		map = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true });
-		const mark_start = createElement.mark({ type: "reactive", source: new Defined().compact }, true);
+		const mapScoped = memo.isScope(map) ? map : memo.scope(map, { onlyLast: true });
+		const { current } = scope, { scope: sc } = current;
+		const mark_start = createElement.mark({ type: "reactive", component: sc && sc.name || "" }, true);
 		const mark_end = mark_start.end;
 		const out = enviroment.D.createDocumentFragment();
 		out.append(mark_start, mark_end);
-		const { current } = scope;
 		const reRenderReactiveElement = (v) => {
 			if (!mark_start.parentNode || !mark_end.parentNode)
 				return removeSignalListener(s, reRenderReactiveElement);
 			scope.push(current);
-			let els = map(v);
+			let els = mapScoped(v);
 			scope.pop();
 			if (!Array.isArray(els))
 				els = [els];
@@ -875,7 +862,7 @@ var DDE = (() => {
 		current.host(on.disconnected(
 			() => (
 				/*! Clears cached elements for reactive element `S.el` */
-				map.clear()
+				mapScoped.clear()
 			)
 		));
 		return out;
@@ -947,9 +934,8 @@ var DDE = (() => {
 	function removeSignalsFromElements(s, listener, ...notes) {
 		const { current } = scope;
 		current.host(function(element) {
-			if (element[key_reactive])
-				return element[key_reactive].push([[s, listener], ...notes]);
-			element[key_reactive] = [];
+			if (!element[key_reactive]) element[key_reactive] = [];
+			element[key_reactive].push([[s, listener], ...notes]);
 			if (current.prevent) return;
 			on.disconnected(
 				() => (
@@ -994,7 +980,6 @@ var DDE = (() => {
 				onclear,
 				host,
 				listeners: /* @__PURE__ */ new Set(),
-				defined: new Defined().stack,
 				readonly
 			}),
 			enumerable: false,

dist/iife.js

@@ -316,7 +316,7 @@ var DDE = (() => {
 	var scope = {
 		/**
 		* Gets the current scope
-		* @returns {Object} Current scope context
+		* @returns {typeof scopes[number]} Current scope context
 		*/
 		get current() {
 			return scopes[scopes.length - 1];
@@ -676,9 +676,9 @@ var DDE = (() => {
 	memo.isScope = function(obj) {
 		return obj[memoMark];
 	};
-	memo.scope = function memoScope(fun, { signal, onlyLast } = {}) {
+	memo.scope = function memoScopeCreate(fun, { signal, onlyLast } = {}) {
 		let cache = oCreate();
-		function memoScope2(...args) {
+		function memoScope(...args) {
 			if (signal && signal.aborted)
 				return fun.apply(this, args);
 			let cache_local = onlyLast ? cache : oCreate();
@@ -693,10 +693,10 @@ var DDE = (() => {
 			cache = cache_local;
 			return out;
 		}
-		memoScope2[memoMark] = true;
-		memoScope2.clear = () => cache = oCreate();
-		if (signal) signal.addEventListener("abort", memoScope2.clear);
-		return memoScope2;
+		memoScope[memoMark] = true;
+		memoScope.clear = () => cache = oCreate();
+		if (signal) signal.addEventListener("abort", memoScope.clear);
+		return memoScope;
 	};
 	return __toCommonJS(index_exports);
 })();

docs/components/examples/case-studies/data-dashboard.js

@@ -23,14 +23,6 @@ export function DataDashboard() {
 		conversion: [2.9, 3.5, 3.7, 2.6, 3.4, 3.5, 2.8, 2.8, 2.8, 3.1, 3.0, 2.7],
 		months: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
 	};
-
-	// Application state
-	const selectedYear = S(2024);
-	const selectedDataType = S(/** @type {'sales' | 'visitors' | 'conversion'} */ ('sales'));
-	const isLoading = S(false);
-	const error = S(null);
-
-	// Filter options
 	const years = [2022, 2023, 2024];
 	const dataTypes = [
 		{ id: 'sales', label: 'Sales', unit: 'K' },
@@ -38,42 +30,32 @@ export function DataDashboard() {
 		{ id: 'conversion', label: 'Conversion Rate', unit: '%' }
 	];
 
-	// Computed values
-	const selectedData = S(() => {
-		return DATA[selectedDataType.get()];
-	});
-
-	const currentDataType = S(() => {
-		return dataTypes.find(type => type.id === selectedDataType.get());
-	});
-
-	const totalValue = S(() => {
-		const data = selectedData.get();
-		return data.reduce((sum, value) => sum + value, 0);
-	});
-
-	const averageValue = S(() => {
-		const data = selectedData.get();
-		return data.reduce((sum, value) => sum + value, 0) / data.length;
-	});
-
-	const highestValue = S(() => {
-		return Math.max(...selectedData.get());
-	});
-
-	// Event handlers
+	// Filter options
+	const selectedYear = S(2024);
 	const onYearChange = on("change", e => {
 		selectedYear.set(parseInt(/** @type {HTMLSelectElement} */(e.target).value));
 		loadData();
 	});
-
+	const selectedDataType = S(/** @type {'sales' | 'visitors' | 'conversion'} */ ('sales'));
 	const onDataTypeChange = on("click", e => {
 		const type = /** @type {'sales' | 'visitors' | 'conversion'} */(
 			/** @type {HTMLButtonElement} */(e.currentTarget).dataset.type);
 		selectedDataType.set(type);
 	});
+	const currentDataType = S(() => dataTypes.find(type => type.id === selectedDataType.get()));
+	const selectedData = S(() => DATA[selectedDataType.get()]);
+
+	// Values based on filters
+	const totalValue = S(() => selectedData.get().reduce((sum, value) => sum + value, 0));
+	const averageValue = S(() => {
+		const data = selectedData.get();
+		return data.reduce((sum, value) => sum + value, 0) / data.length;
+	});
+	const highestValue = S(() => Math.max(...selectedData.get()));
 
 	// Simulate data loading
+	const isLoading = S(false);
+	const error = S(null);
 	function loadData() {
 		isLoading.set(true);
 		error.set(null);
@@ -114,7 +96,7 @@ export function DataDashboard() {
 			// Draw grid labels
 			ctx.fillStyle = '#999';
 			ctx.font = '12px Arial';
-			ctx.fillText(Math.round(maxValue * (i / 5)), 20, y + 5);
+			ctx.fillText(Math.round(maxValue * (i / 5)).toString(), 20, y + 5);
 		}
 		ctx.stroke();
 
@@ -154,7 +136,6 @@ export function DataDashboard() {
 			)
 		),
 
-		// Error message (only shown when there's an error)
 		S.el(error, errorMsg => !errorMsg
 			? el()
 			: el("div", { className: "error-message" }).append(
@@ -163,7 +144,6 @@ export function DataDashboard() {
 				),
 		),
 
-		// Loading indicator
 		S.el(isLoading, loading => !loading
 			? el()
 			: el("div", { className: "loading-spinner" })

docs/components/examples/case-studies/image-gallery.js

@@ -27,25 +27,23 @@ const imagesSample = (url=> [
  * @returns {HTMLElement} Gallery element
  */
 export function ImageGallery(images= imagesSample) {
-
-	// Application state
-	const selectedImageId = S(null);
 	const filterTag = S('all');
 	const imagesToDisplay = S(() => {
 		const tag = filterTag.get();
 		if (tag === 'all') return images;
 		else return images.filter(img => img.alt.toLowerCase() === tag);
 	})
+	const onFilterChange = tag => on("click", () => {
+		filterTag.set(tag);
+	});
 
-	// Derived state
+	// Lightbox
+	const selectedImageId = S(null);
 	const selectedImage = S(() => {
 		const id = selectedImageId.get();
 		return id ? images.find(img => img.id === id) : null;
 	});
-
 	const isLightboxOpen = S(() => selectedImage.get() !== null);
-
-	// Event handlers
 	const onImageClick = id => on("click", () => {
 		selectedImageId.set(id);
 		document.body.style.overflow = 'hidden'; // Prevent scrolling when lightbox is open
@@ -76,9 +74,6 @@ export function ImageGallery(images= imagesSample) {
 		const nextIndex = (currentIndex + 1) % images.length;
 		selectedImageId.set(images[nextIndex].id);
 	};
-	const onFilterChange = tag => on("click", () => {
-		filterTag.set(tag);
-	});
 
 	// Keyboard navigation handler
 	function handleKeyDown(e) {

docs/components/examples/case-studies/interactive-form.js

@@ -73,8 +73,17 @@ export function Form({ initial }) {
 			this.value[key] = value;
 		}
 	});
+	/**
+	 * Event handler for input events
+	 * @param {"value"|"checked"} prop
+	 * @returns {(ev: Event) => void}
+	 * */
+	const onChange= prop => ev => {
+		const input = /** @type {HTMLInputElement} */(ev.target);
+		S.action(formState, "update", /** @type {keyof FormState} */(input.id), input[prop]);
+	};
 
-	// Derived signals for validation
+	// Form validate state
 	const nameValid = S(() => formState.get().name.length >= 3);
 	const emailValid = S(() => {
 		const email = formState.get().email;
@@ -89,8 +98,6 @@ export function Form({ initial }) {
 		return password === confirmPassword && confirmPassword !== '';
 	});
 	const termsAgreed = S(() => formState.get().agreedToTerms);
-
-	// Overall form validity
 	const formValid = S(() =>
 		nameValid.get() &&
 		emailValid.get() &&
@@ -99,16 +106,6 @@ export function Form({ initial }) {
 		termsAgreed.get()
 	);
 
-	// Event handlers
-	/**
-	 * Event handler for input events
-	 * @param {"value"|"checked"} prop
-	 * @returns {(ev: Event) => void}
-	 * */
-	const onChange= prop => ev => {
-		const input = /** @type {HTMLInputElement} */(ev.target);
-		S.action(formState, "update", /** @type {keyof FormState} */(input.id), input[prop]);
-	};
 	const dispatcSubmit = dispatchEvent("form:submit", host);
 	const onSubmit = on("submit", e => {
 		e.preventDefault();

docs/components/examples/debugging/dom-reactive-mark.html

@@ -1,4 +1,4 @@
 // Example of reactive element marker
-<!--<dde:mark type="reactive" source="...">-->
+<!--<dde:mark type="reactive" component="<component-name>">-->
 <!-- content that updates when signal changes -->
 <!--</dde:mark>-->

docs/p07-debugging.html.js

@@ -81,7 +81,6 @@ export function page({ pkg, info }){
 			el("li", t`actions: Custom actions that can be performed on the signal`),
 			el("li", t`onclear: Functions to run when the signal is cleared`),
 			el("li", t`host: Reference to the host element/scope in which the signal was created`),
-			el("li", t`defined: Stack trace information for debugging`),
 			el("li", t`readonly: Boolean flag indicating if the signal is read-only`)
 		),
 		el("p").append(T`

package-lock.json

@@ -1,12 +1,12 @@
 {
 	"name": "deka-dom-el",
-	"version": "0.9.2-alpha",
+	"version": "0.9.3-alpha",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "deka-dom-el",
-			"version": "0.9.2-alpha",
+			"version": "0.9.3-alpha",
 			"license": "MIT",
 			"devDependencies": {
 				"@size-limit/preset-small-lib": "~11.2",

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "deka-dom-el",
-	"version": "0.9.2-alpha",
+	"version": "0.9.3-alpha",
 	"description": "A low-code library that simplifies the creation of native DOM elements/components using small wrappers and tweaks.",
 	"author": "Jan Andrle <andrle.jan@centrum.cz>",
 	"license": "MIT",

src/dom-lib/scopes.js

@@ -19,7 +19,7 @@ const store_abort= new WeakMap();
 export const scope= {
 	/**
 	 * Gets the current scope
-	 * @returns {Object} Current scope context
+	 * @returns {typeof scopes[number]} Current scope context
 	 */
 	get current(){ return scopes[scopes.length-1]; },
 

src/helpers.js

@@ -68,21 +68,3 @@ export function observedAttributes(instance, observedAttribute){
  * @returns {string} The camelCase string
  */
 function kebabToCamel(name){ return name.replace(/-./g, x=> x[1].toUpperCase()); }
-
-/**
- * Error class for definition tracking
- * Shows the correct stack trace for debugging (signal) creation
- */
-export class Defined extends Error{
-	constructor(){
-		super();
-		const [ curr, ...rest ]= this.stack.split("\n");
-		const curr_file= curr.slice(curr.indexOf("@"), curr.indexOf(".js:")+4);
-		const curr_lib= curr_file.includes("src/helpers.js") ? "src/" : curr_file;
-		this.stack= rest.find(l=> !l.includes(curr_lib)) || curr;
-	}
-	get compact(){
-		const { stack }= this;
-		return stack.slice(0, stack.indexOf("@")+1)+"…"+stack.slice(stack.lastIndexOf("/"));
-	}
-}

src/memo.js

@@ -27,7 +27,7 @@ memo.isScope= function(obj){ return obj[memoMark]; };
  * @param {AbortSignal} options.signal
  * @param {boolean} [options.onlyLast=false]
  * */
-memo.scope= function memoScope(fun, { signal, onlyLast }= {}){
+memo.scope= function memoScopeCreate(fun, { signal, onlyLast }= {}){
 	let cache= oCreate();
 	function memoScope(...args){
 		if(signal && signal.aborted)

src/signals-lib/signals-lib.js

@@ -1,6 +1,6 @@
 import { queueSignalWrite, mark } from "./helpers.js";
 export { mark };
-import { hasOwn, Defined, oCreate, oAssign } from "../helpers.js";
+import { hasOwn, oCreate, oAssign } from "../helpers.js";
 
 const Signal = oCreate(null, {
 	get: { value(){ return read(this); } },
@@ -169,21 +169,21 @@ import { memo } from "../memo.js";
  * Creates a reactive DOM element that re-renders when signal changes
  *
  * @param {Object} s - Signal object to watch
- * @param {Function} map - Function mapping signal value to DOM elements
+ * @param {Function} mapScoped - Function mapping signal value to DOM elements
  * @returns {DocumentFragment} Fragment containing reactive elements
  */
 signal.el= function(s, map){
-	map= memo.isScope(map) ? map : memo.scope(map, { onlyLast: true });
-	const mark_start= el.mark({ type: "reactive", source: new Defined().compact }, true);
+	const mapScoped= memo.isScope(map) ? map : memo.scope(map, { onlyLast: true });
+	const { current }= scope, { scope: sc }= current;
+	const mark_start= el.mark({ type: "reactive", component: sc && sc.name || "" }, true);
 	const mark_end= mark_start.end;
 	const out= env.D.createDocumentFragment();
 	out.append(mark_start, mark_end);
-	const { current }= scope;
 	const reRenderReactiveElement= v=> {
 		if(!mark_start.parentNode || !mark_end.parentNode) // === `isConnected` or wasn’t yet rendered
 			return removeSignalListener(s, reRenderReactiveElement);
 		scope.push(current);
-		let els= map(v);
+		let els= mapScoped(v);
 		scope.pop();
 		if(!Array.isArray(els))
 			els= [ els ];
@@ -202,7 +202,7 @@ signal.el= function(s, map){
 	reRenderReactiveElement(s.get());
 	current.host(on.disconnected(()=>
 		/*! Clears cached elements for reactive element `S.el` */
-		map.clear()
+		mapScoped.clear()
 	));
 	return out;
 };
@@ -314,9 +314,8 @@ export const signals_config= {
 function removeSignalsFromElements(s, listener, ...notes){
 	const { current }= scope;
 	current.host(function(element){
-		if(element[key_reactive])
-			return element[key_reactive].push([ [ s, listener ], ...notes ]);
-		element[key_reactive]= [];
+		if(!element[key_reactive]) element[key_reactive]= [];
+		element[key_reactive].push([ [ s, listener ], ...notes ]);
 		if(current.prevent) return; // typically document.body, doenst need auto-remove as it should happen on page leave
 		on.disconnected(()=>
 			/*! Clears all Signals listeners added in the current scope/host (`S.el`, `assign`, …?).
@@ -386,7 +385,6 @@ function toSignal(s, value, actions, readonly= false){
 		value: oAssign(oCreate(protoSigal), {
 			value, actions, onclear, host,
 			listeners: new Set(),
-			defined: new Defined().stack,
 			readonly
 		}),
 		enumerable: false,