From eb920f7bbdccb5d022aba0e8d93a8732afb341a7 Mon Sep 17 00:00:00 2001 From: Jan Andrle Date: Fri, 22 Dec 2023 16:49:59 +0100 Subject: [PATCH] :boom: customElement (+enhance slotting simulation) + enh. types --- dist/dde-with-observables.js | 39 ++++++++++--------- dist/dde.js | 29 +++++++------- dist/esm-with-observables.d.ts | 32 +++++++++------- dist/esm-with-observables.js | 8 ++-- dist/esm.d.ts | 32 +++++++++------- dist/esm.js | 2 +- examples/components/fullNameComponent.js | 2 +- examples/components/webComponent.js | 49 +++++++++--------------- examples/index.js | 8 +++- index.d.ts | 2 +- index.js | 1 + package.json | 18 ++------- src/customElement.js | 33 ++++++++++++++++ src/dom.js | 25 ++++++++---- 14 files changed, 161 insertions(+), 119 deletions(-) create mode 100644 src/customElement.js diff --git a/dist/dde-with-observables.js b/dist/dde-with-observables.js index 3907924..72528c0 100644 --- a/dist/dde-with-observables.js +++ b/dist/dde-with-observables.js @@ -1,27 +1,30 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b/dist/esm-with-observables.d.ts index e4c7aa2..debccbe 100644 --- a/dist/esm-with-observables.d.ts +++ b/dist/esm-with-observables.d.ts @@ -107,18 +107,19 @@ type _fromElsInterfaces= Omit= Partial<_fromElsInterfaces & { [K in keyof _fromElsInterfaces]: Observable<_fromElsInterfaces[K], any> } & AttrsModified>; +type ElementAttributes= Partial<_fromElsInterfaces & { [K in keyof _fromElsInterfaces]: Observable<_fromElsInterfaces[K], any> } & AttrsModified> & Record; export function classListDeclarative(element: El, classList: AttrsModified["classList"]): El export function assign(element: El, ...attrs_array: ElementAttributes[]): El export function assignAttribute>(element: El, attr: ATT, value: ElementAttributes[ATT]): ElementAttributes[ATT] type ExtendedHTMLElementTagNameMap= HTMLElementTagNameMap & CustomElementTagNameMap & ddePublicElementTagNameMap +type textContent= string | ( (set?: string)=> string ); // TODO: for some reason `Observable` leads to `attrs?: any` export function el< TAG extends keyof ExtendedHTMLElementTagNameMap & string, EL extends (TAG extends keyof ExtendedHTMLElementTagNameMap ? ExtendedHTMLElementTagNameMap[TAG] : HTMLElement) >( tag_name: TAG, - attrs?: string | Observable | ElementAttributes, + attrs?: ElementAttributes | textContent, ...addons: ddeElementAddon[] ): TAG extends keyof ddeHTMLElementTagNameMap ? ddeHTMLElementTagNameMap[TAG] : ddeHTMLElement export function el( @@ -126,34 +127,39 @@ export function el( ): ddeDocumentFragment export function el< - A extends ddeComponentAttributes, - C extends (attr: Partial)=> SupportedElement | DocumentFragment + C extends (attr: ddeComponentAttributes)=> SupportedElement | ddeDocumentFragment >( component: C, - attrs?: A | string, + attrs?: Parameters[0] | textContent, ...addons: ddeElementAddon>[] -): ReturnType +): ReturnType extends ddeHTMLElementTagNameMap[keyof ddeHTMLElementTagNameMap] ? ReturnType : ( ReturnType extends ddeDocumentFragment ? ReturnType : ddeHTMLElement ) export { el as createElement } export function elNS( namespace: "http://www.w3.org/2000/svg" -): ( +): < + TAG extends keyof SVGElementTagNameMap & string, + EL extends ( TAG extends keyof SVGElementTagNameMap ? SVGElementTagNameMap[TAG] : SVGElement ), +>( tag_name: TAG, - attrs?: string | Partial<{ [key in KEYS]: EL[key] | string | number | boolean }>, + attrs?: ElementAttributes | textContent, ...addons: ddeElementAddon[] -)=> EL +)=> TAG extends keyof ddeSVGElementTagNameMap ? ddeSVGElementTagNameMap[TAG] : ddeSVGElement export function elNS( namespace: "http://www.w3.org/1998/Math/MathML" -): ( +): < + TAG extends keyof MathMLElementTagNameMap & string, + EL extends ( TAG extends keyof MathMLElementTagNameMap ? MathMLElementTagNameMap[TAG] : MathMLElement ), +>( tag_name: TAG, - attrs?: string | Partial<{ [key in KEYS]: MathMLElementTagNameMap[TAG][key] | string | number | boolean }>, - ...addons: ddeElementAddon[] + attrs?: string | textContent | Partial<{ [key in keyof EL]: EL[key] | Observable | string | number | boolean }>, + ...addons: ddeElementAddon[] )=> ddeMathMLElement export function elNS( namespace: string ): ( tag_name: string, - attrs?: string | Record, + attrs?: string | textContent | Record, ...addons: ddeElementAddon[] )=> SupportedElement export { elNS as createElementNS } diff --git a/dist/esm-with-observables.js b/dist/esm-with-observables.js index 5274bff..6d845a0 100644 --- a/dist/esm-with-observables.js +++ b/dist/esm-with-observables.js @@ -1,4 +1,4 @@ -var A={isObservable(e){return!1},processReactiveAttribute(e,t,n,r){return n}};function T(e,t=!0){return t?Object.assign(A,e):(Object.setPrototypeOf(e,A),e)}function C(e){return A.isPrototypeOf(e)&&e!==A?e:A}function 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ExtendedHTMLElementTagNameMap[TAG] : HTMLElement) >( tag_name: TAG, - attrs?: string | Observable | ElementAttributes, + attrs?: ElementAttributes | textContent, ...addons: ddeElementAddon[] ): TAG extends keyof ddeHTMLElementTagNameMap ? ddeHTMLElementTagNameMap[TAG] : ddeHTMLElement export function el( @@ -126,34 +127,39 @@ export function el( ): ddeDocumentFragment export function el< - A extends ddeComponentAttributes, - C extends (attr: Partial)=> SupportedElement | DocumentFragment + C extends (attr: ddeComponentAttributes)=> SupportedElement | ddeDocumentFragment >( component: C, - attrs?: A | string, + attrs?: Parameters[0] | textContent, ...addons: ddeElementAddon>[] -): ReturnType +): ReturnType extends ddeHTMLElementTagNameMap[keyof ddeHTMLElementTagNameMap] ? ReturnType : ( ReturnType extends ddeDocumentFragment ? 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r.addEventListener(s,t,e),r.__dde_lifecycleToEvents?r:r.isConnected?(r.dispatchEvent(new Event(s)),r):(w(e.signal,()=>O.offConnected(r,t))&&O.onConnected(r,t),r)}};_.disconnected=function(t,e){let{custom_element:n}=g.current,c="disconnected";return typeof e!="object"&&(e={}),e.once=!0,function(r){n&&(r=n);let s="dde:"+c;return r.addEventListener(s,t,e),r.__dde_lifecycleToEvents||w(e.signal,()=>O.offDisconnected(r,t))&&O.onDisconnected(r,t),r}};var D=new WeakMap;_.disconnectedAsAbort=function(t){if(D.has(t))return D.get(t);let e=new AbortController;return D.set(t,e),t(_.disconnected(()=>e.abort())),e};_.attributeChanged=function(t,e){let n="attributeChanged";return typeof e!="object"&&(e={}),function(o){let r="dde:"+n;if(o.addEventListener(r,t,e),o.__dde_lifecycleToEvents||V.has(o))return o;let s=new MutationObserver(function(d){for(let{attributeName:l,target:p}of d)p.dispatchEvent(new CustomEvent(r,{detail:[l,p.getAttribute(l)]}))});return w(e.signal,()=>s.disconnect())&&s.observe(o,{attributes:!0}),o}};function J(){let t=new Map,e=!1,n=new MutationObserver(function(i){for(let u of i)if(u.type==="childList"){if(l(u.addedNodes,!0)){s();continue}p(u.removedNodes,!0)&&s()}});return{onConnected(i,u){r();let f=o(i);f.connected.has(u)||(f.connected.add(u),f.length_c+=1)},offConnected(i,u){if(!t.has(i))return;let f=t.get(i);f.connected.has(u)&&(f.connected.delete(u),f.length_c-=1,c(i,f))},onDisconnected(i,u){r();let f=o(i);f.disconnected.has(u)||(f.disconnected.add(u),f.length_d+=1)},offDisconnected(i,u){if(!t.has(i))return;let f=t.get(i);f.disconnected.has(u)&&(f.disconnected.delete(u),f.length_d-=1,c(i,f))}};function c(i,u){u.length_c||u.length_d||(t.delete(i),s())}function o(i){if(t.has(i))return t.get(i);let u={connected:new WeakSet,length_c:0,disconnected:new WeakSet,length_d:0};return t.set(i,u),u}function r(){e||(e=!0,n.observe(document.body,{childList:!0,subtree:!0}))}function s(){!e||t.size||(e=!1,n.disconnect())}function a(){return new Promise(function(i){(requestIdleCallback||requestAnimationFrame)(i)})}async function d(i){t.size>30&&await a();let u=[];if(!(i instanceof Node))return u;for(let f of t.keys())f===i||!(f instanceof Node)||i.contains(f)&&u.push(f);return u}function l(i,u){let f=!1;for(let h of i){if(u&&d(h).then(l),!t.has(h))continue;let E=t.get(h);E.length_c&&(h.dispatchEvent(new Event("dde:connected")),E.connected=new WeakSet,E.length_c=0,E.length_d||t.delete(h),f=!0)}return f}function p(i,u){let f=!1;for(let h of i)u&&d(h).then(p),!(!t.has(h)||!t.get(h).length_d)&&(h.dispatchEvent(new Event("dde:disconnected")),t.delete(h),f=!0);return f}}export{x as assign,j as assignAttribute,U as chainableAppend,B as classListDeclarative,N as createElement,rt as createElementNS,ut as customElementRender,ft as customElementWithDDE,dt as dispatchEvent,N as el,rt as elNS,H as elementAttribute,ot as empty,ft as lifecycleToEvents,_ as on,q as registerReactivity,g as scope,nt as simulateSlots}; diff --git a/examples/components/fullNameComponent.js b/examples/components/fullNameComponent.js index ecbcfc2..479b65a 100644 --- a/examples/components/fullNameComponent.js +++ b/examples/components/fullNameComponent.js @@ -31,7 +31,7 @@ export function fullNameComponent(){ ), elSVG("svg", { viewBox: "0 0 240 80", style: { height: "80px", display: "block" } }).append( //elSVG("style", { }) - elSVG("text", { x: 20, y: 35, textContent: "Text" }) + elSVG("text", { x: 20, y: 35, textContent: "Text" }), ) ); } diff --git a/examples/components/webComponent.js b/examples/components/webComponent.js index 36a0163..00d2b8f 100644 --- a/examples/components/webComponent.js +++ b/examples/components/webComponent.js @@ -1,4 +1,4 @@ -import { el, on, scope } from "../../index.js"; +import { el, on, customElementRender, customElementWithDDE, scope, simulateSlots } from "../../index.js"; import { O } from "../../observables.js"; /** @@ -42,35 +42,24 @@ export class CustomHTMLTestElement extends HTMLElement{ get preName(){ return this.getAttribute("pre-name"); } set preName(value){ this.setAttribute("pre-name", value); } } -// https://gist.github.com/WebReflection/ec9f6687842aa385477c4afca625bbf4 -lifecycleToEvents(CustomHTMLTestElement) +customElementWithDDE(CustomHTMLTestElement); customElements.define(CustomHTMLTestElement.tagName, CustomHTMLTestElement); -function customElementRender(_this, render, props= _this){ - console.log(_this.shadowRoot, _this.childList); - scope.push({ scope: _this, host: (...c)=> c.length ? c.forEach(c=> c(_this)) : _this, custom_element: _this }); - if(typeof props==="function") props= props(_this); - const out= render(props); - scope.pop(); - return out; -} -function lifecycleToEvents(class_declaration){ - for (const name of [ "connected", "disconnected" ]) - wrapMethod(class_declaration.prototype, name+"Callback", function(target, thisArg, detail){ - target.apply(thisArg, detail); - thisArg.dispatchEvent(new Event("dde:"+name)); - }); - const name= "attributeChanged"; - wrapMethod(class_declaration.prototype, name+"Callback", function(target, thisArg, detail){ - const [ attribute, , value ]= detail; - thisArg.dispatchEvent(new CustomEvent("dde:"+name, { - detail: [ attribute, value ] - })); - target.apply(thisArg, detail); - }); - class_declaration.prototype.__dde_lifecycleToEvents= true; - return class_declaration; -} -function wrapMethod(obj, method, apply){ - obj[method]= new Proxy(obj[method] || (()=> {}), { apply }); +export class CustomSlottingHTMLElement extends HTMLElement{ + static tagName= "custom-slotting"; + render(){ + return simulateSlots(this, el().append( + el("p").append( + "Ahoj ", el("slot", { name: "name", className: "name", textContent: "World" }) + ), + el("p").append( + "BTW ", el("slot") + ) + )); + } + connectedCallback(){ + this.append(customElementRender(this, this.render)); + } } +customElementWithDDE(CustomSlottingHTMLElement); +customElements.define(CustomSlottingHTMLElement.tagName, CustomSlottingHTMLElement); diff --git a/examples/index.js b/examples/index.js index d80905c..1d0d24a 100644 --- a/examples/index.js +++ b/examples/index.js @@ -2,7 +2,7 @@ import { style, el } from './exports.js'; document.head.append(style.element); import { fullNameComponent } from './components/fullNameComponent.js'; import { todosComponent } from './components/todosComponent.js'; -import { CustomHTMLTestElement } from "./components/webComponent.js"; +import { CustomHTMLTestElement, CustomSlottingHTMLElement } from "./components/webComponent.js"; import { thirdParty } from "./components/3rd-party.js"; document.body.append( @@ -10,5 +10,9 @@ document.body.append( el(fullNameComponent), el(todosComponent), el(CustomHTMLTestElement.tagName, { name: "attr" }), - el(thirdParty) + el(thirdParty), + el(CustomSlottingHTMLElement.tagName).append( + el("strong", { slot: "name", textContent: "Honzo" }), + el("span", "…default slot") + ) ); diff --git a/index.d.ts b/index.d.ts index b152d18..a106eff 100644 --- a/index.d.ts +++ b/index.d.ts @@ -68,7 +68,7 @@ export function el< component: C, attrs?: Parameters[0] | textContent, ...addons: ddeElementAddon>[] -): ReturnType extends ddeHTMLElementTagNameMap[keyof ddeHTMLElementTagNameMap] ? ReturnType : ddeHTMLElement +): ReturnType extends ddeHTMLElementTagNameMap[keyof ddeHTMLElementTagNameMap] ? ReturnType : ( ReturnType extends ddeDocumentFragment ? ReturnType : ddeHTMLElement ) export { el as createElement } export function elNS( diff --git a/index.js b/index.js index 0ba4366..74ce727 100644 --- a/index.js +++ b/index.js @@ -1,2 +1,3 @@ export * from "./src/dom.js"; +export * from "./src/customElement.js"; export * from "./src/events.js"; diff --git a/package.json b/package.json index eb8f32a..0f285ee 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "deka-dom-el", - "version": "0.7.3", + "version": "0.7.5", "description": "A low-code library that simplifies the creation of native DOM elements/components using small wrappers and tweaks.", "author": "Jan Andrle ", "license": "MIT", @@ -58,7 +58,7 @@ "size-limit": [ { "path": "./index.js", - "limit": "9 kB", + "limit": "9.75 kB", "gzip": false, "brotli": false @@ -71,19 +71,7 @@ }, { - "path": "./jsdom.js", - "limit": "10 kB", - "gzip": false, - "brotli": false - }, - { - "path": "./examples/components/webComponent.js", - "limit": "13 kB", - "gzip": false, - "brotli": false - }, - { - "path": "./examples/components/webComponent.js", + "path": "./index-with-observables.js", "limit": "5 kB" } ], diff --git a/src/customElement.js b/src/customElement.js new file mode 100644 index 0000000..e0c117b --- /dev/null +++ b/src/customElement.js @@ -0,0 +1,33 @@ +import { scope } from "./dom.js"; +export function customElementRender(custom_element, render, props= custom_element){ + scope.push({ + scope: custom_element, + host: (...c)=> c.length ? c.forEach(c=> c(custom_element)) : custom_element, + custom_element + }); + const out= render.call(custom_element, props); + scope.pop(); + return out; +} +export function lifecycleToEvents(class_declaration){ + for (const name of [ "connected", "disconnected" ]) + wrapMethod(class_declaration.prototype, name+"Callback", function(target, thisArg, detail){ + target.apply(thisArg, detail); + thisArg.dispatchEvent(new Event("dde:"+name)); + }); + const name= "attributeChanged"; + wrapMethod(class_declaration.prototype, name+"Callback", function(target, thisArg, detail){ + const [ attribute, , value ]= detail; + thisArg.dispatchEvent(new CustomEvent("dde:"+name, { + detail: [ attribute, value ] + })); + target.apply(thisArg, detail); + }); + class_declaration.prototype.__dde_lifecycleToEvents= true; + return class_declaration; +} +// https://gist.github.com/WebReflection/ec9f6687842aa385477c4afca625bbf4 +export { lifecycleToEvents as customElementWithDDE }; +function wrapMethod(obj, method, apply){ + obj[method]= new Proxy(obj[method] || (()=> {}), { apply }); +} diff --git a/src/dom.js b/src/dom.js index 2048dac..9682d7b 100644 --- a/src/dom.js +++ b/src/dom.js @@ -66,14 +66,14 @@ export function createElement(tag, attributes, ...addons){ scoped= 2; return el; } -/** @param {HTMLElement} element */ -export function simulateSlots(element){ +/** @param {HTMLElement} element @param {HTMLElement} [root] */ +export function simulateSlots(element, root= element, mapper= undefined){ const _default= Symbol.for("default"); - const slots= Array.from(element.querySelectorAll("slot")) + const slots= Array.from(root.querySelectorAll("slot")) .reduce((out, curr)=> Reflect.set(out, curr.name || _default, curr) && out, {}); const has_d= Reflect.has(slots, _default); element.append= new Proxy(element.append, { - apply(_1, _2, els){ + apply(orig, _, els){ if(!els.length) return element; const d= document.createDocumentFragment(); @@ -83,19 +83,28 @@ export function simulateSlots(element){ const slot= slots[name]; elementAttribute(el, "remove", "slot"); if(!slot) continue; - slot.replaceWith(el); + simulateSlotReplace(slot, el, mapper); Reflect.deleteProperty(slots, name); } if(has_d){ slots[_default].replaceWith(d); Reflect.deleteProperty(slots, _default); } - Object.values(slots) - .forEach(slot=> slot.replaceWith(createElement().append(...Array.from(slot.childNodes)))); + element.append= orig; //TODO: better memory management, but non-native behavior! return element; } }); - 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); } } /** * @param { { type: "component", name: string, host: "this" | "parentElement" } | { type: "reactive" | "later" } } attrs