From 10ed0802f26199f64877311a1bb8f8dc5508f324 Mon Sep 17 00:00:00 2001 From: Jan Andrle Date: Wed, 22 Nov 2023 17:39:46 +0100 Subject: [PATCH] :construction: mainly wc/ce --- dist/dde-with-signals.js | 30 ++++++------ dist/esm-with-signals.d.ts | 31 +++++++++++- dist/esm-with-signals.js | 8 ++-- dist/esm.d.ts | 28 +++++++++++ examples/components/webComponent.js | 41 ++++++++++------ signals.d.ts | 3 +- src/signals-lib.js | 73 ++++++++++++----------------- 7 files changed, 132 insertions(+), 82 deletions(-) diff --git a/dist/dde-with-signals.js b/dist/dde-with-signals.js index f2761bf..e23997c 100644 --- a/dist/dde-with-signals.js +++ b/dist/dde-with-signals.js @@ -1,24 +1,24 @@ //deka-dom-el library is available via global namespace `dde` (()=> { -var w={isSignal(t){return!1},processReactiveAttribute(t,e,n,o){return n}};function T(t,e=!0){return e?Object.assign(w,t):(Object.setPrototypeOf(t,w),t)}function R(t){return w.isPrototypeOf(t)&&t!==w?t:w}function x(t){return typeof 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M[M.length-1]}function at(t){if(!t[l])return;let{value:e,listeners:n}=t[l],o=ft();return o&&n.add(o),h.has(o)&&h.get(o).add(t),e}function dt(t,e,n){if(!t[l])return;let o=t[l];if(!(!n&&o.value===e))return o.value=e,o.listeners.forEach(r=>r(e)),e}function U(t,e){if(t[l])return t[l].listeners.add(e)}function O(t,e,n){let o=t[l];if(!o)return;let r=o.listeners.delete(e);if(n&&!o.listeners.size){if(b.clear(t),!h.has(o))return r;let c=h.get(o);if(!h.has(c))return r;h.get(c).forEach(s=>O(s,c,!0))}return r}T(Q);export{b as S,N as assign,J as assignAttribute,tt as chainableAppend,et as classListDeclarative,y as createElement,mt as createElementNS,St as dispatchEvent,y as el,mt as elNS,Et as empty,D as isSignal,m as on,T as registerReactivity,g as scope}; +var y={isSignal(t){return!1},processReactiveAttribute(t,e,n,r){return n}};function $(t,e=!0){return e?Object.assign(y,t):(Object.setPrototypeOf(t,y),t)}function R(t){return y.isPrototypeOf(t)&&t!==y?t:y}function x(t){return typeof 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tt(t){return t.append===B||(t.appendOriginal=t.append,t.append=B),t}var N;function S(t,e,...n){let r=R(this),o=0,c,s;switch((Object(e)!==e||r.isSignal(e))&&(e={textContent:e}),!0){case typeof t=="function":{o=1,m.push({scope:t,host:(...p)=>p.length?(o===1?n.unshift(...p):p.forEach(v=>v(s)),void 0):s}),c=t(e||void 0);let a=c instanceof DocumentFragment;if(c.nodeName==="#comment")break;let d=S.mark({type:"component",name:t.name,host:a?"this":"parentElement"});c.prepend(d),a&&(s=d);break}case t==="#text":c=j.call(this,document.createTextNode(""),e);break;case(t==="<>"||!t):c=j.call(this,document.createDocumentFragment(),e);break;case!!N:c=j.call(this,document.createElementNS(N,t),e);break;case!c:c=j.call(this,document.createElement(t),e)}return tt(c),s||(s=c),n.forEach(a=>a(s)),o&&m.pop(),o=2,c}S.mark=function(t,e=!1){t=Object.entries(t).map(([o,c])=>o+`="${c}"`).join(" ");let n=e?"":"/",r=document.createComment(``);return e||(r.end=document.createComment("")),r};function _t(t){let e=this;return function(...r){N=t;let o=S.call(e,...r);return N=void 0,o}}var{setDeleteAttr:I}=M,L=new WeakMap;function j(t,...e){if(!e.length)return t;L.set(t,G(t,this));for(let[n,r]of Object.entries(Object.assign({},...e)))Z.call(this,t,n,r);return L.delete(t),t}function Z(t,e,n){let{setRemoveAttr:r,s:o}=G(t,this),c=this;n=o.processReactiveAttribute(t,e,n,(a,d)=>Z.call(c,t,a,d));let[s]=e;if(s==="=")return r(e.slice(1),n);if(s===".")return J(t,e.slice(1),n);if(/(aria|data)([A-Z])/.test(e))return e=e.replace(/([a-z])([A-Z])/g,"$1-$2").toLowerCase(),r(e,n);switch(e==="className"&&(e="class"),e){case"xlink:href":return r(e,n,"http://www.w3.org/1999/xlink");case"textContent":return I(t,e,n);case"style":if(typeof n!="object")break;case"dataset":return T(o,n,J.bind(null,t[e]));case"ariaset":return T(o,n,(a,d)=>r("aria-"+a,d));case"classList":return et.call(c,t,n)}return nt(t,e)?I(t,e,n):r(e,n)}function G(t,e){if(L.has(t))return L.get(t);let r=(t instanceof 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n="attributeChanged";return typeof e!="object"&&(e={}),function(o){let c="dde:"+n;if(o.addEventListener(c,t,e),o.__dde_lifecycleToEvents||ct.has(o))return o;let s=new MutationObserver(function(d){for(let{attributeName:p,target:v}of d)v.dispatchEvent(new CustomEvent(c,{detail:[p,v.getAttribute(p)]}))});return C(e.signal,()=>s.disconnect())&&s.observe(o,{attributes:!0}),o}};function st(){let t=new Map,e=!1,n=new MutationObserver(function(i){for(let f of i)if(f.type==="childList"){if(p(f.addedNodes,!0)){s();continue}v(f.removedNodes,!0)&&s()}});return{onConnected(i,f){c();let u=o(i);u.connected.has(f)||(u.connected.add(f),u.length_c+=1)},offConnected(i,f){if(!t.has(i))return;let u=t.get(i);u.connected.has(f)&&(u.connected.delete(f),u.length_c-=1,r(i,u))},onDisconnected(i,f){c();let u=o(i);u.disconnected.has(f)||(u.disconnected.add(f),u.length_d+=1)},offDisconnected(i,f){if(!t.has(i))return;let u=t.get(i);u.disconnected.has(f)&&(u.disconnected.delete(f),u.length_d-=1,r(i,u))}};function r(i,f){f.length_c||f.length_d||(t.delete(i),s())}function o(i){if(t.has(i))return t.get(i);let f={connected:new WeakSet,length_c:0,disconnected:new WeakSet,length_d:0};return t.set(i,f),f}function c(){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 f=[];if(!(i instanceof Node))return f;for(let u of t.keys())u===i||!(u instanceof Node)||i.contains(u)&&f.push(u);return f}function p(i,f){let u=!1;for(let b of i){if(f&&d(b).then(p),!t.has(b))continue;let w=t.get(b);w.length_c&&(b.dispatchEvent(new Event("dde:connected")),w.connected=new WeakSet,w.length_c=0,w.length_d||t.delete(b),u=!0)}return u}function v(i,f){let u=!1;for(let b of i)f&&d(b).then(v),!(!t.has(b)||!t.get(b).length_d)&&(b.dispatchEvent(new Event("dde:disconnected")),t.delete(b),u=!0);return u}}var l=Symbol.for("Signal");function D(t){try{return Reflect.has(t,l)}catch{return!1}}var W=[],h=new WeakMap;function g(t,e){if(typeof t!="function")return K(t,e);if(D(t))return t;let n=K(),r=function(){let[o,...c]=h.get(r);if(h.set(r,new Set([o])),W.push(r),n(t()),W.pop(),!c.length)return;let s=h.get(r);for(let a of c)s.has(a)||O(a,r)};return h.set(n[l],r),h.set(r,new Set([n])),r(),n}g.action=function(t,e,...n){let r=t[l],{actions:o}=r;if(!o||!Reflect.has(o,e))throw new Error(`'${t}' has no action with name '${e}'!`);if(o[e].apply(r,n),r.skip)return Reflect.deleteProperty(r,"skip");r.listeners.forEach(c=>c(r.value))};g.on=function t(e,n,r={}){let{signal:o}=r;if(!(o&&o.aborted)){if(Array.isArray(e))return e.forEach(c=>t(c,n,r));U(e,n),o&&o.addEventListener("abort",()=>O(e,n))}};g.symbols={signal:l,onclear:Symbol.for("Signal.onclear")};g.clear=function(...t){for(let n of t){Reflect.deleteProperty(n,"toJSON");let r=n[l];r.onclear.forEach(o=>o.call(r)),e(n,r),Reflect.deleteProperty(n,l)}function e(n,r){r.listeners.forEach(o=>{if(r.listeners.delete(o),!h.has(o))return;let c=h.get(o);c.delete(n),!(c.size>1)&&(g.clear(...c),h.delete(o))})}};var k="__dde_reactive";g.el=function(t,e){let n=S.mark({type:"reactive"},!1),r=n.end,o=document.createDocumentFragment();o.append(n,r);let{current:c}=m,s=a=>{if(!n.parentNode||!r.parentNode)return O(t,s);m.push(c);let d=e(a);m.pop(),Array.isArray(d)||(d=[d]);let p=n;for(;(p=n.nextSibling)!==r;)p.remove();n.after(...d)};return U(t,s),X(t,s,n,e),s(t()),o};var A="__dde_attributes";g.fromAttribute=function(t,e,n){t[A]||(t[A]={},_.attributeChanged(function({detail:s}){/*! This maps attributes to signals (`S.attribute`). +* Investigate `__dde_attributes` key of the element.*/let[a,d]=s,p=t[A][a];if(p)return p(d)})(t),_.disconnected(function(){/*! This removes all signals mapped to attributes (`S.attribute`). +* Investigate `__dde_attributes` key of the element.*/g.clear(...Object.values(t[A]))})(t));let r=t[A],o=Reflect.has(r,e)?Reflect.get(r,e):r[e]=g(n);return new Proxy(o,{apply(c,s,a){if(!a.length)return c();let d=a[0];return t.setAttribute(e,d)}})};var Q={isSignal:D,processReactiveAttribute(t,e,n,r){if(!D(n))return n;let o=c=>r(e,c);return U(n,o),X(n,o,t,e),n()}};function X(t,e,...n){let{current:r}=m;r.prevent||r.host(function(o){o[k]||(o[k]=[],_.disconnected(()=>o[k].forEach(([[c,s]])=>O(c,s,c[l]?.host()===o)))(o)),o[k].push([[t,e],...n])})}function K(t,e){let n=(...r)=>r.length?dt(n,...r):at(n);return ft(n,t,e)}var it=Object.assign(Object.create(null),{stopPropagation(){this.skip=!0}}),F=class extends Error{constructor(){super();let[e,...n]=this.stack.split(` +`),r=e.slice(e.indexOf("@"),e.indexOf(".js:")+4);this.stack=n.find(o=>!o.includes(r))}};function ft(t,e,n){let r=[];q(n)!=="[object Object]"&&(n={});let{onclear:o}=g.symbols;n[o]&&(r.push(n[o]),Reflect.deleteProperty(n,o));let{host:c}=m;return Reflect.defineProperty(t,l,{value:{value:e,actions:n,onclear:r,host:c,listeners:new Set,defined:new F},enumerable:!1,writable:!1,configurable:!0}),t.toJSON=()=>t(),Object.setPrototypeOf(t[l],it),t}function ut(){return W[W.length-1]}function at(t){if(!t[l])return;let{value:e,listeners:n}=t[l],r=ut();return r&&n.add(r),h.has(r)&&h.get(r).add(t),e}function dt(t,e,n){if(!t[l])return;let r=t[l];if(!(!n&&r.value===e))return r.value=e,r.listeners.forEach(o=>o(e)),e}function U(t,e){if(t[l])return t[l].listeners.add(e)}function O(t,e,n){let r=t[l];if(!r)return;let o=r.listeners.delete(e);if(n&&!r.listeners.size){if(g.clear(t),!h.has(r))return o;let c=h.get(r);if(!h.has(c))return o;h.get(c).forEach(s=>O(s,c,!0))}return o}$(Q);export{g as S,j as assign,Z as assignAttribute,tt as chainableAppend,et as classListDeclarative,S as createElement,_t as createElementNS,wt as dispatchEvent,S as el,_t as elNS,Et as empty,D as isSignal,_ as on,$ as registerReactivity,m as scope}; diff --git a/dist/esm.d.ts b/dist/esm.d.ts index 3cb73e6..c217ad3 100644 --- a/dist/esm.d.ts +++ b/dist/esm.d.ts @@ -166,6 +166,34 @@ export const scope: { pop(): ReturnType["pop"]>, }; +/* + * TODO TypeScript HACK (better way?) + * this doesnt works + * ```ts + * interface element extends Node{ + * prototype: el; + * append(...els: (SupportedElement | DocumentFragment | string | element)[]): el + * } + * +export function el( + * tag_name?: "<>", + * ): element +* ``` + * …as its complains here + * ``` +ts + * +const d= el("div"); +* +const f= (a: HTMLDivElement)=> a; +* f(d); +//← + * document.head.append( //← + * el("script", { src: "https://flems.io/flems.html", type: "text/javascript", charset: "utf-8" }), + * ); +* ``` + * TODO for SVG + * */ type ddeAppend= (...nodes: (Node | string)[])=> el; declare global{ interface HTMLAnchorElement{ diff --git a/examples/components/webComponent.js b/examples/components/webComponent.js index 6530e3a..3f055d2 100644 --- a/examples/components/webComponent.js +++ b/examples/components/webComponent.js @@ -1,14 +1,9 @@ import { el, on, scope } from "../../index.js"; import { S } from "../../signals.js"; -const { hasOwnProperty }= Object.prototype; /** - * @typedef CustomHTMLTestElementInterface - * @type {object} - * @property {string} name - * */ -/** - * Compatible with `npx-wca test/components/webComponent.js` + * Compatible with `npx -y web-component-analyzer examples/components/webComponent.js` + * @element custom-test * */ export class CustomHTMLTestElement extends HTMLElement{ static tagName= "custom-test"; @@ -16,32 +11,34 @@ export class CustomHTMLTestElement extends HTMLElement{ return [ "name", "pre-name" ]; } connectedCallback(){ + if(!this.hasAttribute("pre-name")) this.setAttribute("pre-name", "default"); this.attachShadow({ mode: "open" }).append( - customElementRender(this, this.render) + customElementRender(this, this.render, observedAttributes(S)) ); } - render({ test }){ + render({ name, preName }){ + const { host }= scope; + const { test }= host(); console.log(scope.state); - scope.host( + host( on.connected(()=> console.log(CustomHTMLTestElement)), on.attributeChanged(e=> console.log(e)), on.disconnected(()=> console.log(CustomHTMLTestElement)) ); - const name= S.attribute("name"); - const preName= S.attribute("pre-name"); console.log({ name, test, preName}); return el("p").append( el("#text", name), - el("#text", test), el("#text", preName), el("button", { type: "button", textContent: "pre-name", onclick: ()=> preName("Ahoj") }) ); } + test= "A"; get name(){ return this.getAttribute("name"); } set name(value){ this.setAttribute("name", value); } + /** @attr pre-name */ get preName(){ return this.getAttribute("pre-name"); } set preName(value){ this.setAttribute("pre-name", value); } } @@ -49,12 +46,25 @@ export class CustomHTMLTestElement extends HTMLElement{ lifecycleToEvents(CustomHTMLTestElement) customElements.define(CustomHTMLTestElement.tagName, CustomHTMLTestElement); -function customElementRender(_this, render){ +function customElementRender(_this, render, props){ + console.log(_this.shadowRoot, _this.childList); scope.push({ scope: _this, host: (...c)=> c.length ? c.forEach(c=> c(_this)) : _this, custom_element: _this }); - const out= render(_this); + if(typeof props==="function") props= props(_this); + const out= render(props); scope.pop(); return out; } +function observedAttributes(options, element){ + const fromAttribute= typeof options==="undefined" ? (_1, _2, v)=> v : ( options.fromAttribute || options ); + if(!element) return observedAttributes.bind(null, fromAttribute) + return Object.fromEntries( + element.constructor.observedAttributes + .map(name=> [ + name.replace(/-./g, m=> m.slice(1).toUpperCase()), + fromAttribute(element, name, element.getAttribute(name)) + ]) + ); +} function lifecycleToEvents(class_declaration){ for (const name of [ "connected", "disconnected" ]) wrapMethod(class_declaration.prototype, name+"Callback", function(target, thisArg, detail){ @@ -70,6 +80,7 @@ function lifecycleToEvents(class_declaration){ 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 }); diff --git a/signals.d.ts b/signals.d.ts index 4d99776..cb510ca 100644 --- a/signals.d.ts +++ b/signals.d.ts @@ -54,8 +54,7 @@ interface S { * */ el(signal: Signal, el: (v: S)=> Element | Element[]): DocumentFragment; - /** Mirrors element attributes for current host (both way). */ - attribute(name: string, initial?: T): Signal + fromAttribute(element: HTMLElement, name: string, value?: T): Signal; } export const S: S; declare global { diff --git a/src/signals-lib.js b/src/signals-lib.js index 920a627..8160471 100644 --- a/src/signals-lib.js +++ b/src/signals-lib.js @@ -62,50 +62,6 @@ S.symbols= { signal: mark, onclear: Symbol.for("Signal.onclear") }; -import { on } from "./events.js"; -import { scope } from "./dom.js"; -const key_attributes= "__dde_attributes"; -S.attribute= function(name, initial= undefined){ - const out= S(initial); - let host; - scope.host(element=> { - host= element; - if(element instanceof HTMLElement){ - if(element.hasAttribute(name)) out(element.getAttribute(name)); - } else { - if(element.hasAttributeNS(null, name)) out(element.getAttributeNS(null, name)); - } - if(element[key_attributes]){ - element[key_attributes][name]= out; - return; - } - element[key_attributes]= { [name]: out }; - on.attributeChanged(function attributeChangeToSignal({ detail }){ - /*! This maps attributes to signals (`S.attribute`). - * Investigate `__dde_attributes` key of the element.*/ - const [ name, value ]= detail; - const curr= element[key_attributes][name]; - if(curr) return curr(value); - })(element); - on.disconnected(function(){ - /*! This removes all signals mapped to attributes (`S.attribute`). - * Investigate `__dde_attributes` key of the element.*/ - S.clear(...Object.values(element[key_attributes])); - host= null; - })(element); - return element; - }); - return new Proxy(out, { - apply(target, _, args){ - if(!args.length) return target(); - if(!host) return; - const value= args[0]; - if(host instanceof HTMLElement) - return host.setAttribute(name, value); - return host.setAttributeNS(null, name, value); - } - }); -}; S.clear= function(...signals){ for(const signal of signals){ Reflect.deleteProperty(signal, "toJSON"); @@ -130,6 +86,7 @@ S.clear= function(...signals){ }; const key_reactive= "__dde_reactive"; import { el } from "./dom.js"; +import { scope } from "./dom.js"; S.el= function(signal, map){ const mark_start= el.mark({ type: "reactive" }, false); const mark_end= mark_start.end; @@ -154,6 +111,34 @@ S.el= function(signal, map){ reRenderReactiveElement(signal()); return out; }; +import { on } from "./events.js"; +const key_attributes= "__dde_attributes"; +S.fromAttribute= function(element, name, value){ + if(!element[key_attributes]){ // needs registration + element[key_attributes]= {}; + on.attributeChanged(function attributeChangeToSignal({ detail }){ + /*! This maps attributes to signals (`S.attribute`). + * Investigate `__dde_attributes` key of the element.*/ + const [ name, value ]= detail; + const curr= element[key_attributes][name]; + if(curr) return curr(value); + })(element); + on.disconnected(function(){ + /*! This removes all signals mapped to attributes (`S.attribute`). + * Investigate `__dde_attributes` key of the element.*/ + S.clear(...Object.values(element[key_attributes])); + })(element); + } + const store= element[key_attributes]; + const out= Reflect.has(store, name) ? Reflect.get(store, name) : (store[name]= S(value)); + return new Proxy(out, { + apply(target, _, args){ + if(!args.length) return target(); + const value= args[0]; + return element.setAttribute(name, value); + } + }); +}; import { typeOf } from './helpers.js'; export const signals_config= {