Merge branch 'main' of github.com:jaandrle/deka-dom-el

dist/esm-with-observables.d.ts

@@ -54,7 +54,7 @@ interface observable{
 	 * */
 	el<S extends any>(observable: Observable<S, any>, el: (v: S)=> Element | Element[] | DocumentFragment): DocumentFragment;
 
-    attribute(name: string, initial?: string): Observable<string, {}>;
+    observedAttributes(custom_element: HTMLElement): Record<string, Observable<any, any>>;
 }
 export const observable: observable;
 export const O: observable;
@@ -64,16 +64,11 @@ declare global {
 	type ddeActions<V>= Actions<V>
 }
 type CustomElementTagNameMap= { '#text': Text, '#comment': Comment }
-declare global {
-	interface ddePublicElementTagNameMap{
-	}
-}
 type SupportedElement=
 	  HTMLElementTagNameMap[keyof HTMLElementTagNameMap]
 	| SVGElementTagNameMap[keyof SVGElementTagNameMap]
 	| MathMLElementTagNameMap[keyof MathMLElementTagNameMap]
 	| CustomElementTagNameMap[keyof CustomElementTagNameMap]
-	| ddePublicElementTagNameMap[keyof ddePublicElementTagNameMap];
 declare global {
 	type ddeComponentAttributes= Record<any, any> | undefined;
 	type ddeElementAddon<El extends SupportedElement | DocumentFragment>= (element: El)=> El | void;
@@ -112,7 +107,7 @@ export function classListDeclarative<El extends SupportedElement>(element: El, c
 export function assign<El extends SupportedElement>(element: El, ...attrs_array: ElementAttributes<El>[]): El
 export function assignAttribute<El extends SupportedElement, ATT extends keyof ElementAttributes<El>>(element: El, attr: ATT, value: ElementAttributes<El>[ATT]): ElementAttributes<El>[ATT]
 
-type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap & ddePublicElementTagNameMap
+type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap;
 type textContent= string | ( (set?: string)=> string ); // TODO: for some reason `Observable<string, any>` leads to `attrs?: any`
 export function el<
 	TAG extends keyof ExtendedHTMLElementTagNameMap & string,
@@ -239,9 +234,22 @@ export const scope: {
 	pop(): ReturnType<Array<Scope>["pop"]>,
 };
 
-/* TypeScript MEH // TODO for SVG */
+export function customElementRender<
-type ddeAppend<el>= (...nodes: (Node | string)[])=> el;
+	EL extends HTMLElement,
+	P extends any = Record<string, any>
+>(
+	custom_element: EL,
+	render: (props: P)=> SupportedElement,
+	props?: P | ((...args: any[])=> P)
+): EL
+export function customElementWithDDE<EL extends HTMLElement>(custom_element: EL): EL
+export function lifecycleToEvents<EL extends HTMLElement>(custom_element: EL): EL
+export function observedAttributes(custom_element: HTMLElement): Record<string, string>
+
+/* TypeScript MEH */
 declare global{
+	type ddeAppend<el>= (...nodes: (Node | string)[])=> el;
+	
 	interface ddeDocumentFragment extends DocumentFragment{ append: ddeAppend<ddeDocumentFragment>; }
 	interface ddeHTMLElement extends HTMLElement{ append: ddeAppend<ddeHTMLElement>; }
 	interface ddeSVGElement extends SVGElement{ append: ddeAppend<ddeSVGElement>; }

dist/esm.d.ts

@@ -54,7 +54,7 @@ interface observable{
 	 * */
 	el<S extends any>(observable: Observable<S, any>, el: (v: S)=> Element | Element[] | DocumentFragment): DocumentFragment;
 
-    attribute(name: string, initial?: string): Observable<string, {}>;
+    observedAttributes(custom_element: HTMLElement): Record<string, Observable<any, any>>;
 }
 export const observable: observable;
 export const O: observable;
@@ -64,16 +64,11 @@ declare global {
 	type ddeActions<V>= Actions<V>
 }
 type CustomElementTagNameMap= { '#text': Text, '#comment': Comment }
-declare global {
-	interface ddePublicElementTagNameMap{
-	}
-}
 type SupportedElement=
 	  HTMLElementTagNameMap[keyof HTMLElementTagNameMap]
 	| SVGElementTagNameMap[keyof SVGElementTagNameMap]
 	| MathMLElementTagNameMap[keyof MathMLElementTagNameMap]
 	| CustomElementTagNameMap[keyof CustomElementTagNameMap]
-	| ddePublicElementTagNameMap[keyof ddePublicElementTagNameMap];
 declare global {
 	type ddeComponentAttributes= Record<any, any> | undefined;
 	type ddeElementAddon<El extends SupportedElement | DocumentFragment>= (element: El)=> El | void;
@@ -112,7 +107,7 @@ export function classListDeclarative<El extends SupportedElement>(element: El, c
 export function assign<El extends SupportedElement>(element: El, ...attrs_array: ElementAttributes<El>[]): El
 export function assignAttribute<El extends SupportedElement, ATT extends keyof ElementAttributes<El>>(element: El, attr: ATT, value: ElementAttributes<El>[ATT]): ElementAttributes<El>[ATT]
 
-type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap & ddePublicElementTagNameMap
+type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap;
 type textContent= string | ( (set?: string)=> string ); // TODO: for some reason `Observable<string, any>` leads to `attrs?: any`
 export function el<
 	TAG extends keyof ExtendedHTMLElementTagNameMap & string,
@@ -239,9 +234,22 @@ export const scope: {
 	pop(): ReturnType<Array<Scope>["pop"]>,
 };
 
-/* TypeScript MEH // TODO for SVG */
+export function customElementRender<
-type ddeAppend<el>= (...nodes: (Node | string)[])=> el;
+	EL extends HTMLElement,
+	P extends any = Record<string, any>
+>(
+	custom_element: EL,
+	render: (props: P)=> SupportedElement,
+	props?: P | ((...args: any[])=> P)
+): EL
+export function customElementWithDDE<EL extends HTMLElement>(custom_element: EL): EL
+export function lifecycleToEvents<EL extends HTMLElement>(custom_element: EL): EL
+export function observedAttributes(custom_element: HTMLElement): Record<string, string>
+
+/* TypeScript MEH */
 declare global{
+	type ddeAppend<el>= (...nodes: (Node | string)[])=> el;
+	
 	interface ddeDocumentFragment extends DocumentFragment{ append: ddeAppend<ddeDocumentFragment>; }
 	interface ddeHTMLElement extends HTMLElement{ append: ddeAppend<ddeHTMLElement>; }
 	interface ddeSVGElement extends SVGElement{ append: ddeAppend<ddeSVGElement>; }

docs/p03-events.html

@@ -67,7 +67,7 @@ document.body.append(
 function log({ type, detail }){
 	console.log({ _this: this, type, detail });
 }
-</code></div><script>Flems(document.getElementById("code-example-1-35hjjp3e4js"), JSON.parse("{\"files\":[{\"name\":\".js\",\"content\":\"import { el, on } from \\\"https://cdn.jsdelivr.net/gh/jaandrle/deka-dom-el/dist/esm-with-observables.js\\\";\\nconst paragraph= el(\\\"p\\\", \\\"See live-cycle events in console.\\\",\\n\\tel=> log({ type: \\\"dde:created\\\", detail: el }),\\n\\ton.connected(log),\\n\\ton.disconnected(log),\\n\\ton.attributeChanged(log));\\n\\ndocument.body.append(\\n\\tparagraph,\\n\\tel(\\\"button\\\", \\\"Update attribute\\\", on(\\\"click\\\", ()=> paragraph.setAttribute(\\\"test\\\", Math.random().toString()))),\\n\\t\\\" \\\",\\n\\tel(\\\"button\\\", \\\"Remove\\\", on(\\\"click\\\", ()=> paragraph.remove()))\\n);\\n\\n/** @param {Partial<CustomEvent>} event */\\nfunction log({ type, detail }){\\n\\tconsole.log({ _this: this, type, detail });\\n}\\n\"}],\"toolbar\":false}"));</script><p>For Custom elements, we will later introduce a way to replace <code>*Callback</code> syntax with <code>dde:*</code> events. The <code>on.*</code> functions then listen to the appropriate Custom Elements events (see <a href="https://developer.mozilla.org/en-US/docs/Web/API/Web_components/Using_custom_elements#custom_element_lifecycle_callbacks">Custom element lifecycle callbacks | MDN</a>).</p><p>But, in case of regular elemnets the <a href="https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver"><code>MutationObserver</code> | MDN</a> is internaly used to track these events. Therefore, there are some drawbacks:</p><ul><li>To proper listener registration, you need to use <code>on.*</code> not `on("dde:*", …)`!</li><li>Use sparingly! Internally, library must loop of all registered events and fires event properly. <strong>It is good practice to use the fact that if an element is removed, its children are also removed!</strong> In this spirit, we will introduce later the <strong>host</strong> syntax to register clean up procedures when the component is removed from the app.</li></ul><h3 id="h-final-notes"><!--<dde:mark type="component" name="h3" host="parentElement" ssr/>--><a href="#h-final-notes" tabindex="-1">#</a> Final notes</h3><p>The library also provides a&nbsp;method to dispatch the events.</p><!--<dde:mark type="component" name="example" host="this" ssr/>--><div id="code-example-2-b6a1hbrxh7s" class="example"><!--<dde:mark type="component" name="code" host="parentElement" ssr/>--><code class="language-js">import { el, on, dispatchEvent } from "https://cdn.jsdelivr.net/gh/jaandrle/deka-dom-el/dist/esm-with-observables.js";
+</code></div><script>Flems(document.getElementById("code-example-1-35hjjp3e4js"), JSON.parse("{\"files\":[{\"name\":\".js\",\"content\":\"import { el, on } from \\\"https://cdn.jsdelivr.net/gh/jaandrle/deka-dom-el/dist/esm-with-observables.js\\\";\\nconst paragraph= el(\\\"p\\\", \\\"See live-cycle events in console.\\\",\\n\\tel=> log({ type: \\\"dde:created\\\", detail: el }),\\n\\ton.connected(log),\\n\\ton.disconnected(log),\\n\\ton.attributeChanged(log));\\n\\ndocument.body.append(\\n\\tparagraph,\\n\\tel(\\\"button\\\", \\\"Update attribute\\\", on(\\\"click\\\", ()=> paragraph.setAttribute(\\\"test\\\", Math.random().toString()))),\\n\\t\\\" \\\",\\n\\tel(\\\"button\\\", \\\"Remove\\\", on(\\\"click\\\", ()=> paragraph.remove()))\\n);\\n\\n/** @param {Partial<CustomEvent>} event */\\nfunction log({ type, detail }){\\n\\tconsole.log({ _this: this, type, detail });\\n}\\n\"}],\"toolbar\":false}"));</script><p>For Custom elements, we will later introduce a way to replace <code>*Callback</code> syntax with <code>dde:*</code> events. The <code>on.*</code> functions then listen to the appropriate Custom Elements events (see <a href="https://developer.mozilla.org/en-US/docs/Web/API/Web_components/Using_custom_elements#custom_element_lifecycle_callbacks">Custom element lifecycle callbacks | MDN</a>).</p><p>But, in case of regular elemnets the <a href="https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver"><code>MutationObserver</code> | MDN</a> is internaly used to track these events. Therefore, there are some drawbacks:</p><ul><li>To proper listener registration, you need to use <code>on.*</code> not `on("dde:*", …)`!</li><li>Use sparingly! Internally, library must loop of all registered events and fires event properly. <strong>It is good practice to use the fact that if an element is removed, its children are also removed!</strong> In this spirit, we will introduce later the <strong>host</strong> syntax to register clean up procedures when the component is removed from the app.</li></ul><p>To provide intuitive behaviour, similar also to how the life-cycle events works in other frameworks/libraries, deka-dom-el library ensures that <code>on.connected</code> and <code>on.disconnected</code> are called only once and only when the element is (dis)connected to live DOM. The solution is inspired by <a href="https://vuejs.org/guide/extras/web-components.html#lifecycle" title="Vue and Web Components | Lifecycle">Vue</a>. For using native behaviour re-(dis)connecting element, use:</p><ul><li>custom <code>MutationObserver</code> or logic in (dis)<div class="code"><!--<dde:mark type="component" name="code" host="parentElement" ssr/>--><code class="language-js"></code></div> or…</li><li>re-add <code>on.connected</code> or <code>on.disconnected</code> listeners.</li></ul><h3 id="h-final-notes"><!--<dde:mark type="component" name="h3" host="parentElement" ssr/>--><a href="#h-final-notes" tabindex="-1">#</a> Final notes</h3><p>The library also provides a&nbsp;method to dispatch the events.</p><!--<dde:mark type="component" name="example" host="this" ssr/>--><div id="code-example-2-b6a1hbrxh7s" class="example"><!--<dde:mark type="component" name="code" host="parentElement" ssr/>--><code class="language-js">import { el, on, dispatchEvent } from "https://cdn.jsdelivr.net/gh/jaandrle/deka-dom-el/dist/esm-with-observables.js";
 document.body.append(
 	el("p", "Listenning to `test` event.", on("test", console.log)).append(
 		el("br"),

docs_src/p03-events.html.js

@@ -108,6 +108,17 @@ export function page({ pkg, info }){
 				" clean up procedures when the component is removed from the app."
 			),
 		),
+		el("p").append(
+			"To provide intuitive behaviour, similar also to how the life-cycle events works in other",
+			" frameworks/libraries, deka-dom-el library ensures that ", el("code", "on.connected"),
+			" and ", el("code", "on.disconnected"), " are called only once and only when the element",
+			" is (dis)connected to live DOM. The solution is inspired by ", el("a", { textContent: "Vue", href: "https://vuejs.org/guide/extras/web-components.html#lifecycle", title: "Vue and Web Components | Lifecycle" }), ".",
+			" For using native behaviour re-(dis)connecting element, use:"
+		),
+		el("ul").append(
+			el("li").append("custom ", el("code", "MutationObserver"), " or logic in (dis)", el(code, "connectedCallback"), " or…"),
+			el("li").append("re-add ", el("code", "on.connected"), " or ", el("code", "on.disconnected"), " listeners.")
+		),
 
 		el(h3, "Final notes"),
 		el("p", "The library also provides a method to dispatch the events."),

examples/components/todosComponent.js

@@ -84,7 +84,7 @@ function todoComponent({ textContent, value }){
 	return el("li").append(
 		O.el(is_editable, is=> is
 			? el("input", { value: textContent(), type: "text" }, onedited)
-			: el("span", { textContent, onclick: is_editable.bind(null, true) }),
+			: el("span", { textContent, onclick: is_editable.bind(null, true) })
 		),
 		el("button", { type: "button", value, textContent: "-" }, onclick)
 	);

index.d.ts

@@ -1,16 +1,11 @@
 import { Observable } from "./observables";
 
 type CustomElementTagNameMap= { '#text': Text, '#comment': Comment }
-declare global {
-	interface ddePublicElementTagNameMap{
-	}
-}
 type SupportedElement=
 	  HTMLElementTagNameMap[keyof HTMLElementTagNameMap]
 	| SVGElementTagNameMap[keyof SVGElementTagNameMap]
 	| MathMLElementTagNameMap[keyof MathMLElementTagNameMap]
 	| CustomElementTagNameMap[keyof CustomElementTagNameMap]
-	| ddePublicElementTagNameMap[keyof ddePublicElementTagNameMap];
 declare global {
 	type ddeComponentAttributes= Record<any, any> | undefined;
 	type ddeElementAddon<El extends SupportedElement | DocumentFragment>= (element: El)=> El | void;
@@ -48,7 +43,7 @@ export function classListDeclarative<El extends SupportedElement>(element: El, c
 export function assign<El extends SupportedElement>(element: El, ...attrs_array: ElementAttributes<El>[]): El
 export function assignAttribute<El extends SupportedElement, ATT extends keyof ElementAttributes<El>>(element: El, attr: ATT, value: ElementAttributes<El>[ATT]): ElementAttributes<El>[ATT]
 
-type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap & ddePublicElementTagNameMap
+type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap;
 type textContent= string | ( (set?: string)=> string ); // TODO: for some reason `Observable<string, any>` leads to `attrs?: any`
 export function el<
 	TAG extends keyof ExtendedHTMLElementTagNameMap & string,
@@ -188,9 +183,10 @@ export function customElementWithDDE<EL extends HTMLElement>(custom_element: EL)
 export function lifecycleToEvents<EL extends HTMLElement>(custom_element: EL): EL
 export function observedAttributes(custom_element: HTMLElement): Record<string, string>
 
-/* TypeScript MEH // TODO for SVG */
+/* TypeScript MEH */
-type ddeAppend<el>= (...nodes: (Node | string)[])=> el;
 declare global{
+	type ddeAppend<el>= (...nodes: (Node | string)[])=> el;
+	
 	interface ddeDocumentFragment extends DocumentFragment{ append: ddeAppend<ddeDocumentFragment>; }
 	interface ddeHTMLElement extends HTMLElement{ append: ddeAppend<ddeHTMLElement>; }
 	interface ddeSVGElement extends SVGElement{ append: ddeAppend<ddeSVGElement>; }

package.json

@@ -71,6 +71,12 @@
 			"brotli": false
 
 		},
+		{
+			"path": "./index-with-observables.js",
+			"limit": "15 kB",
+			"gzip": false,
+			"brotli": false
+		},
 		{
 			"path": "./index-with-observables.js",
 			"limit": "5 kB"