cross-platform using enviroment (#14)

* 🎉

* Dev bugs@v0.7.6 (#12)

* Update observables-lib.js

* `collectChildren`

* Update todosComponent.js

* 🚀 filter for `collectChildren`

* finalization

jsdom.d.ts

@@ -1,5 +1,13 @@
 import { el, assign, on } from "./index.d";
 export * from "./index.d";
+type JSDOM= {
+	window: Window,
+	document: Document,
+	HTMLElement: typeof HTMLElement,
+	SVGElement: typeof SVGElement,
+	DocumentFragment: typeof DocumentFragment,
+	MutationObserver?: typeof MutationObserver
+};
 export function register(dom: JSDOM): Promise<{
 	el: typeof el,
 	assign: typeof assign,

jsdom.js

@@ -1,23 +1,25 @@
 //TODO: https://www.npmjs.com/package/html-element
-import { enviroment } from './src/dom-common.js';
-enviroment.ssr= " ssr";
-const { setDeleteAttr }= enviroment;
+import { enviroment as env } from './src/dom-common.js';
+env.ssr= " ssr";
+const { setDeleteAttr }= env;
 /** @param {HTMLElement} obj */
-enviroment.setDeleteAttr= function(obj, prop, value){
+env.setDeleteAttr= function(obj, prop, value){
 	if("value"===prop) return obj.setAttribute(prop, value);
 	if("checked"!==prop) return setDeleteAttr(obj, prop, value);
 	if(value) return obj.setAttribute(prop, "");
 	obj.removeAttribute(prop);
 };
-const keys= [ "HTMLElement", "SVGElement", "DocumentFragment", "MutationObserver", "document" ];
+const keys= { H: "HTMLElement", S: "SVGElement", F: "DocumentFragment", M: "MutationObserver", D: "document" };
+let env_bk= {};
 let dom_last;
 
-export function register(dom, keys_aditional= []){
+export function register(dom){
 	if(dom_last!==dom){
-		keys.push(...keys_aditional);
 		const w= dom.window;
-		keys.forEach(key=> globalThis[key]= w[key]);
-		globalThis.window= w;
+		Object.entries(keys).forEach(([ kE, kW ])=> {
+			env_bk[kE]= env[kE];
+			env[kE]= w[kW];
+		});
 		w.console= globalThis.console;
 	}
 	dom_last= dom;
@@ -28,8 +30,8 @@ export function unregister(){
 	if(!dom_last)
 		return false;
 	
-	keys.forEach(key=> Reflect.deleteProperty(globalThis, key));
-	Reflect.deleteProperty(globalThis, "window");
+	Object.assign(env, env_bk);
+	env_bk= {};
 	dom_last= undefined;
 	return true;
 }

package.json

@@ -59,7 +59,7 @@
 	"size-limit": [
 		{
 			"path": "./index.js",
-			"limit": "9.9 kB",
+			"limit": "10 kB",
 			"gzip": false,
 			"brotli": false
 

src/dom-common.js

@@ -1,4 +1,12 @@
-export const enviroment= { setDeleteAttr, ssr: "" };
+export const enviroment= {
+	setDeleteAttr,
+	ssr: "",
+	D: globalThis.document,
+	F: globalThis.DocumentFragment,
+	H: globalThis.HTMLElement,
+	S: globalThis.SVGElement,
+	M: globalThis.MutationObserver,
+};
 import { isUndef } from './helpers.js';
 function setDeleteAttr(obj, prop, val){
 	/* Issue
@@ -13,7 +21,7 @@ function setDeleteAttr(obj, prop, val){
 	Reflect.set(obj, prop, val);
 	if(!isUndef(val)) return;
 	Reflect.deleteProperty(obj, prop);
-	if(obj instanceof HTMLElement && obj.getAttribute(prop)==="undefined")
+	if(obj instanceof enviroment.H && obj.getAttribute(prop)==="undefined")
 		return obj.removeAttribute(prop);
 	if(Reflect.get(obj, prop)==="undefined")
 		return Reflect.set(obj, prop, "");

src/dom.js

@@ -1,10 +1,10 @@
 import { observables } from "./observables-common.js";
-import { enviroment } from './dom-common.js';
+import { enviroment as env } from './dom-common.js';
 
 /** @type {{ scope: object, prevent: boolean, host: function }[]} */
 const scopes= [ {
-	scope: document.body,
-	host: c=> c ? c(document.body) : document.body,
+	get scope(){ return  env.D.body; },
+	host: c=> c ? c(env.D.body) : env.D.body,
 	custom_element: false,
 	prevent: true,
 } ];
@@ -43,7 +43,7 @@ export function createElement(tag, attributes, ...addons){
 			scoped= 1;
 			scope.push({ scope: tag, host: (...c)=> c.length ? (scoped===1 ? addons.unshift(...c) : c.forEach(c=> c(el_host)), undefined) : el_host });
 			el= tag(attributes || undefined);
-			const is_fragment= el instanceof DocumentFragment;
+			const is_fragment= el instanceof env.F;
 			if(el.nodeName==="#comment") break;
 			const el_mark= createElement.mark({
 				type: "component",
@@ -54,10 +54,10 @@ export function createElement(tag, attributes, ...addons){
 			if(is_fragment) el_host= el_mark;
 			break;
 		}
-		case tag==="#text":      el= assign.call(this, document.createTextNode(""), attributes); break;
-		case tag==="<>" || !tag: el= assign.call(this, document.createDocumentFragment(), attributes); break;
-		case Boolean(namespace): el= assign.call(this, document.createElementNS(namespace, tag), attributes); break;
-		case !el:                el= assign.call(this, document.createElement(tag), attributes);
+		case tag==="#text":      el= assign.call(this, env.D.createTextNode(""), attributes); break;
+		case tag==="<>" || !tag: el= assign.call(this, env.D.createDocumentFragment(), attributes); break;
+		case Boolean(namespace): el= assign.call(this, env.D.createElementNS(namespace, tag), attributes); break;
+		case !el:                el= assign.call(this, env.D.createElement(tag), attributes);
 	}
 	chainableAppend(el);
 	if(!el_host) el_host= el;
@@ -76,7 +76,7 @@ export function simulateSlots(element, root= element, mapper= undefined){
 		apply(orig, _, els){
 			if(!els.length) return element;
 
-			const d= document.createDocumentFragment();
+			const d= env.D.createDocumentFragment();
 			for(const el of els){
 				if(!el || !el.slot){ if(has_d) d.appendChild(el); continue; }
 				const name= el.slot;
@@ -113,8 +113,8 @@ function simulateSlotReplace(slot, element, mapper){
 createElement.mark= function(attrs, is_open= false){
 	attrs= Object.entries(attrs).map(([ n, v ])=> n+`="${v}"`).join(" ");
 	const end= is_open ? "" : "/";
-	const out= document.createComment(`<dde:mark ${attrs}${enviroment.ssr}${end}>`);
-	if(!is_open) out.end= document.createComment("</dde:mark>");
+	const out= env.D.createComment(`<dde:mark ${attrs}${env.ssr}${end}>`);
+	if(!is_open) out.end= env.D.createComment("</dde:mark>");
 	return out;
 };
 export { createElement as el };
@@ -131,8 +131,8 @@ export function createElementNS(ns){
 }
 export { createElementNS as elNS };
 
-const { setDeleteAttr }= enviroment;
 const assign_context= new WeakMap();
+const { setDeleteAttr }= env;
 export function assign(element, ...attributes){
 	if(!attributes.length) return element;
 	assign_context.set(element, assignContext(element, this));
@@ -175,7 +175,7 @@ export function assignAttribute(element, key, value){
 }
 function assignContext(element, _this){
 	if(assign_context.has(element)) return assign_context.get(element);
-	const is_svg= element instanceof SVGElement;
+	const is_svg= element instanceof env.S;
 	const setRemoveAttr= (is_svg ? setRemoveNS : setRemove).bind(null, element, "Attribute");
 	const s= observables(_this);
 	return { setRemoveAttr, s };
@@ -192,7 +192,7 @@ export function empty(el){
 	return el;
 }
 export function elementAttribute(element, op, key, value){
-	if(element instanceof HTMLElement)
+	if(element instanceof env.H)
 		return element[op+"Attribute"](key, value);
 	return element[op+"AttributeNS"](null, key, value);
 }

src/events.js

@@ -1,4 +1,5 @@
 export { registerReactivity } from './observables-common.js';
+import { enviroment as env } from './dom-common.js';
 
 export function dispatchEvent(name, options, host){
 	if(!options) options= {};
@@ -18,7 +19,9 @@ export function on(event, listener, options){
 	};
 }
 
-const c_ch_o= connectionsChangesObserverConstructor();
+const c_ch_o= env.M ? connectionsChangesObserverConstructor() : new Proxy({}, {
+	get(){ return ()=> {}; }
+});
 const els_attribute_store= new WeakSet();
 import { scope } from "./dom.js";
 import { onAbort } from './helpers.js';
@@ -77,7 +80,9 @@ on.attributeChanged= function(listener, options){
 		if(element.__dde_lifecycleToEvents || els_attribute_store.has(element))
 			return element;
 		
-		const observer= new MutationObserver(function(mutations){
+		if(!env.M) return element;
+		
+		const observer= new env.M(function(mutations){
 			for(const { attributeName, target } of mutations)
 				target.dispatchEvent(
 					new CustomEvent(event, { detail: [ attributeName, target.getAttribute(attributeName) ] }));
@@ -92,7 +97,7 @@ on.attributeChanged= function(listener, options){
 function connectionsChangesObserverConstructor(){
 	const store= new Map();
 	let is_observing= false;
-	const observer= new MutationObserver(function(mutations){
+	const observer= new env.M(function(mutations){
 		for(const mutation of mutations){
 			if(mutation.type!=="childList") continue;
 			if(observerAdded(mutation.addedNodes, true)){
@@ -155,7 +160,7 @@ function connectionsChangesObserverConstructor(){
 	function start(){
 		if(is_observing) return;
 		is_observing= true;
-		observer.observe(document.body, { childList: true, subtree: true });
+		observer.observe(env.D.body, { childList: true, subtree: true });
 	}
 	function stop(){
 		if(!is_observing || store.size) return;

src/observables-lib.js

@@ -86,12 +86,13 @@ observable.clear= function(...observables){
 	}
 };
 const key_reactive= "__dde_reactive";
-import { el, elementAttribute } from "./dom.js";
+import { enviroment as env } from "./dom-common.js";
+import { el } from "./dom.js";
 import { scope } from "./dom.js";
 observable.el= function(o, map){
 	const mark_start= el.mark({ type: "reactive" }, false);
 	const mark_end= mark_start.end;
-	const out= document.createDocumentFragment();
+	const out= env.D.createDocumentFragment();
 	out.append(mark_start, mark_end);
 	const { current }= scope;
 	const reRenderReactiveElement= v=> {