add day 31

day31/src/components/Counter.devto

@@ -0,0 +1,23 @@
+<div class="mb-2">
+    <h2 class="text-xl font-semibold text-center">count is: { appState.contents.count }</h2>
+</div>
+<div class="flex justify-center mb-3">
+    <button d-on:click="appState.contents.count--"
+        class="transition-colors p-3 duration-300 active:bg-red-700 hover:bg-red-600 hover:text-zinc-100 mr-1">
+        <img src='/minus.svg'
+            width="24px"
+            alt="minus" />
+    </button>
+    <button d-on:click="appState.contents.count = 0"
+        class="transition-colors p-3 duration-300 active:bg-zinc-700 hover:bg-zinc-800 hover:text-red-100 mr-1">
+        <img src='/refresh.svg'
+            width="24px"
+            alt="reset">
+    </button>
+    <button d-on:click="appState.contents.count++"
+        class="transition-colors p-3 duration-300 active:bg-green-700 hover:bg-green-600 hover:text-green-100">
+        <img src='/plus.svg'
+            width="24px"
+            alt="plus" />
+    </button>
+</div>

day31/src/components/cookieInput.devto

@@ -0,0 +1,19 @@
+<div class="mb-2">
+    <h2 class="text-xl font-semibold text-center">Username cookie is: {appState.contents.cookie}</h2>
+</div>
+<div class="flex justify-center flex-col">
+    <input placeholder="username..."
+        class="py-2 px-4 resize-none bg-zinc-800 rounded-md shadow-md my-2 border border-zinc-800 placeholder:italic placeholder:text-gray-300"
+        d-model="cookiedata" />
+    <button class="bg-blue-600 font-semibold rounded-md py-1 px-2 text-sm"
+        d-on:click="appState.contents.cookie = appState.contents.cookiedata; setCookie('username', appState.contents.cookiedata, '365');">Submit
+        Cookie</button>
+</div>
+
+<script setup>
+    console.log('page is first get')
+</script>
+
+<script>
+    console.log('page is fully loaded');
+</script>

day31/src/components/htmlInput.devto

@@ -0,0 +1,11 @@
+<div class="mb-2">
+    <h2 class="text-xl font-semibold text-center"
+        d-html>html input is: {appState.contents.html}</h2>
+</div>
+<div class="flex justify-center">
+    <div>
+        <input placeholder="text..."
+            class="py-2 px-4 resize-none bg-zinc-800 rounded-md shadow-md my-2 border border-zinc-800 placeholder:italic placeholder:text-gray-300"
+            d-model="html" />
+    </div>
+</div>

day31/src/components/myDad.devto

@@ -0,0 +1,25 @@
+<div class="mb-2">
+  <h2 class="text-xl font-semibold text-center">My dad {appState.contents.year}</h2>
+</div>
+<div class="flex justify-center">
+  <input placeholder="ex: 1985"
+    class="no-arrows py-2 px-4 resize-none bg-zinc-800 rounded-md shadow-md my-2 border border-zinc-800 placeholder:italic placeholder:text-gray-300"
+    type="number"
+    d-model="year">
+</div>
+<style>
+  /* Chrome, Safari, Edge, Opera */
+  input::-webkit-outer-spin-button,
+  input::-webkit-inner-spin-button {
+    -webkit-appearance: none;
+    margin: 0;
+  }
+
+  /* Firefox */
+  input[type=number] {
+    -moz-appearance: textfield;
+  }
+</style>
+<script>
+  console.log('loaded myDad')
+</script>

day31/src/components/textInput.devto

@@ -0,0 +1,10 @@
+<div class="mb-2">
+    <h2 class="text-xl font-semibold text-center">Input is: {appState.contents.text}</h2>
+</div>
+<div class="flex justify-center">
+    <div>
+        <input placeholder="text..."
+            class="py-2 px-4 resize-none bg-zinc-800 rounded-md shadow-md my-2 border border-zinc-800 placeholder:italic placeholder:text-gray-300"
+            d-model="text" />
+    </div>
+</div>

day31/src/entry-client.ts

@@ -0,0 +1,19 @@
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+import { appState } from './main'; 
+
+
+async function initClient() {
+	if (import.meta.env.SSR) return;
+	await import('./style.css');
+	const { renderPage } = await import('./lib/router/pageRenderer');
+	await renderPage();
+
+	window.onpopstate = async (e: PopStateEvent) => {
+		if (e.state === null) {
+			return;
+		}
+		await renderPage();
+	};
+}
+
+initClient();

day31/src/entry-server.ts

@@ -0,0 +1,16 @@
+import { compileToString } from './lib/templateRenderer';
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+import { appState } from './main';
+export let ctx = {};
+
+export function SSRPage(template: string) {
+	return compileToString(template);
+}
+
+export function setContext(context: Record<string, unknown>) {
+	ctx = context;
+}
+
+export function getContext() {
+	return ctx;
+}

day31/src/layouts/404.devto

@@ -0,0 +1,5 @@
+    <div class="grid place-items-center p-3 content-center min-h-screen">
+        <h1 class="text-4xl font-bold">404</h1>
+        <h2 class="text-2xl font-semibold">Looks like you're lost</h3>
+        <h3 class="text-xl font-semibold">Go <a href="/" d-on:click="event.preventDefault(); renderPage('/')">home</a></h3>
+    </div>

day31/src/lib/ReactiveObject.ts

@@ -0,0 +1,42 @@
+export class Reactive {
+	listeners: Record<string, Array<CallableFunction>>;
+	contents: Record<string, unknown>;
+	constructor(obj: Record<string, unknown>) {
+		this.contents = obj;
+		this.listeners = {};
+		this.makeReactive(obj);
+	}
+
+	makeReactive(obj: Record<string, unknown>) {
+		Object.keys(obj).forEach(prop => this.makePropReactive(obj, prop));
+	}
+
+	makePropReactive(obj: Record<string, unknown>, key: string) {
+		let value = obj[key];
+
+		// Gotta be careful with this here
+		// eslint-disable-next-line @typescript-eslint/no-this-alias
+		const that = this;
+
+		Object.defineProperty(obj, key, {
+			get() {
+				return value;
+			},
+			set(newValue) {
+				value = newValue;
+				that.notify(key);
+			}
+		});
+	}
+
+	listen(prop: string, handler: CallableFunction) {
+		if (!this.listeners[prop]) this.listeners[prop] = [];
+
+		this.listeners[prop]?.push(handler);
+	}
+
+	notify(prop: string) {
+		if (!this.listeners[prop]) return;
+		this.listeners[prop]?.forEach((listener: CallableFunction) => listener(this.contents[prop]));
+	}
+}

day31/src/lib/cookieManager.ts

@@ -0,0 +1,51 @@
+export function setCookie(name: string, value: string, expires: string | Date, path?: string, domain?: string) {
+	if (import.meta.env.SSR) return;
+	let cookie = name.trimEnd() + '=' + escape(value) + ';';
+
+	if (expires) {
+		// If it's a date
+		if (expires instanceof Date) {
+			// If it isn't a valid date
+			if (isNaN(expires.getTime())) expires = new Date();
+		}
+		else expires = new Date(new Date().getTime() + parseInt(expires) * 1000 * 60 * 60 * 24);
+
+		cookie += 'expires=' + expires.toUTCString() + ';';
+	}
+
+	if (path) cookie += 'path=' + path + ';';
+	if (domain) cookie += 'domain=' + domain + ';';
+
+	document.cookie = cookie;
+}
+
+let ctx: any;
+if (import.meta.env.SSR) {
+	ctx = (await import('../entry-server')).ctx;
+}
+
+export function getCookie(name: string) {
+	let decodedCookie: any;
+	console.log('getting cookie', name);
+	if (import.meta.env.SSR) {
+		console.log('SSR COOKIES:', ctx.cookies.username);
+		if (!ctx.cookies) return '';
+		if (ctx.cookies[name] === undefined) return '';
+		return ctx.cookies[name];
+	} else {
+		decodedCookie = decodeURIComponent(document.cookie);
+	}
+	const cname = name + '=';
+	const ca = decodedCookie.split(';');
+	for (let i = 0; i < ca.length; i++) {
+		let c = ca[i];
+		if (!c) return;
+		while (c.charAt(0) == ' ') {
+			c = c.substring(1);
+		}
+		if (c.indexOf(cname) == 0) {
+			return c.substring(cname.length, c.length);
+		}
+	}
+	return '';
+}

day31/src/lib/router/hydrationManager.ts

@@ -0,0 +1,258 @@
+import { appState } from '../../main';
+
+export let ctrlPressed = false;
+
+export function setCtrl(ctrl: boolean) {
+	ctrlPressed = ctrl;
+}
+
+// function to turn the template into reactive content "hydating" a page
+export async function hydratePage() {
+	if (import.meta.env.SSR) return;
+	const documentBody = document.getElementById('app');
+	if (!documentBody) {
+		throw new Error('Fatal Error: element with id app not found');
+	}
+	const { renderPage } = await import('./pageRenderer');
+	// eslint-disable-next-line @typescript-eslint/no-unused-vars
+	const { getCookie, setCookie } = await import('../cookieManager');
+
+	// for every item in the appState lets check for any element with the "checksum", a hex code equivalent of the item name
+	Object.keys(appState.contents).forEach((e: string) => {
+		if (e === undefined) return;
+		// here we check for elements with the name of "data-token-<hex code of the item name>"
+		const uuid = e.split('').map((c: string) => c.charCodeAt(0).toString(16).padStart(2, '0')).join('');
+		const listeningElements = document.querySelectorAll(`[${'data-token-' + uuid}]`);
+		listeningElements.forEach((elm) => {
+			if (elm.parentElement?.getAttribute('d-once') !== null) {
+				elm.parentElement?.removeAttribute('d-once');
+				return;
+			}
+
+			if (elm.parentElement?.getAttribute('d-html') !== null) {
+				appState.listen(e, (change: string) => elm.innerHTML = change);
+				elm.parentElement?.removeAttribute('d-html');
+			} else {
+				appState.listen(e, (change: string) => elm.textContent = change);
+			}
+		});
+	});
+
+	// here we look for elements with the d-on:click attribute and on click run the function in the attribute
+	const elms = documentBody.querySelectorAll('*[d-on\\3A click]');
+	elms.forEach((e) => {
+		const clickFunction = e.getAttribute('d-on:click');
+		e.removeAttribute('d-on:click');
+		if (!clickFunction) return;
+		e.addEventListener('click', () => {
+			eval(clickFunction);
+		});
+	});
+
+	// here we determine if an element should be deleted form the DOM via the d-if directive
+	const conditionalElms = document.querySelectorAll('*[d-if]');
+	conditionalElms.forEach(async (e: Element) => {
+		const condition = e.getAttribute('d-if');
+
+		const siblingConditionalElms: Array<Element> = [];
+		// recursively check for subsequent elements with the d-else of d-else-if attribute
+		function checkForConditionSibling(elm: Element) {
+			if (!elm.nextElementSibling || typeof elm.nextElementSibling == 'undefined') return;
+			if (elm.nextElementSibling?.getAttribute('d-else-if') !== null) {
+				siblingConditionalElms.push(elm.nextElementSibling);
+				if (!elm.nextElementSibling) return;
+				checkForConditionSibling(elm.nextElementSibling);
+			}
+
+			if (elm.nextElementSibling?.getAttribute('d-else') !== null) {
+				siblingConditionalElms.push(elm.nextElementSibling);
+			}
+		}
+		checkForConditionSibling(e);
+
+		if (siblingConditionalElms == undefined) return;
+
+		function resetHTML() {
+			e.innerHTML = '<!-- d-if -->';
+			for (let i = 0; i < siblingConditionalElms.length; i++) {
+				const element = siblingConditionalElms[i];
+				if (!element) return;
+				element.innerHTML = '<!-- d-if -->';
+			}
+		}
+
+		let ifStatement = `if (!!eval(condition)) {
+            e.innerHTML = originalHTML
+        } `;
+
+		for (let i = 0; i < siblingConditionalElms.length; i++) {
+			const element = siblingConditionalElms[i];
+			if (!element) return;
+			const originHTML = element.innerHTML;
+			element.innerHTML = '<!-- d-if -->';
+			let statementDirective = 'else';
+			if (element.getAttribute('d-else-if') !== null) {
+				statementDirective = 'else if';
+			}
+			const condition = eval('element.getAttribute(\'d-\' + statementDirective.split(\' \').join(\'-\'))');
+
+			if (statementDirective == 'else if') {
+				statementDirective = 'else if (' + condition + ')';
+			}
+
+			ifStatement = ifStatement + statementDirective + `{
+                siblingConditionalElms[${i}].innerHTML = "${originHTML}"
+            }`;
+		}
+
+		e.removeAttribute('d-if');
+		const originalHTML = e.innerHTML;
+		if (!condition || originalHTML == undefined) return;
+		if (condition.includes('appState.contents.')) {
+			let reactiveProp: Array<string> | string | null | undefined = /appState\.contents\.[a-zA-Z]+/.exec(condition);
+			if (!reactiveProp || !reactiveProp[0]) return;
+			reactiveProp = reactiveProp[0].split('.')[2];
+			if (!reactiveProp) return;
+			appState.listen(reactiveProp, () => {
+				resetHTML();
+				eval(ifStatement);
+			});
+		}
+
+
+		eval(ifStatement);
+	});
+
+	const pointerEnterElms = document.querySelectorAll('*[d-on\\3A pointerEnter]');
+	pointerEnterElms.forEach((e) => {
+		const enterFunction = e.getAttribute('d-on:pointerEnter');
+		e.removeAttribute('d-on:pointerEnter');
+		if (!enterFunction) return;
+		e.addEventListener('pointerenter', () => {
+			eval(enterFunction);
+		});
+	});
+
+	const pointerExitElms = document.querySelectorAll('*[d-on\\3A pointerExit]');
+	pointerExitElms.forEach((e) => {
+		const exitFunction = e.getAttribute('d-on:pointerExit');
+		e.removeAttribute('d-on:pointerExit');
+		if (!exitFunction) return;
+		e.addEventListener('pointerleave', () => {
+			eval(exitFunction);
+		});
+	});
+
+	const mouseDownElms = document.querySelectorAll('*[d-on\\3A mouseDown]');
+	mouseDownElms.forEach((e) => {
+		const downFunction = e.getAttribute('d-on:mouseDown');
+		e.removeAttribute('d-on:mouseDown');
+		if (!downFunction) return;
+		e.addEventListener('mousedown', () => {
+			eval(downFunction);
+		});
+	});
+
+	const mouseUpElms = document.querySelectorAll('*[d-on\\3A mouseUp]');
+	mouseUpElms.forEach((e) => {
+		const dupFunction = e.getAttribute('d-on:mouseUp');
+		e.removeAttribute('d-on:mouseUp');
+		if (!dupFunction) return;
+		e.addEventListener('mouseup', () => {
+			eval(dupFunction);
+		});
+	});
+
+	// here we look for elements with the d-model attribute and if there is any input in the element then we update the appState item with the name
+	// of the attribute value
+	// example: if the user types "hello" into a text field with the d-model attribute of "text" then we update the appState item with the name "text"
+	//          to "hello"
+	// similar to vue.js v-model attribute
+	const modelElms = document.querySelectorAll('input[d-model], textarea[d-model]');
+	modelElms.forEach((e: Element) => {
+		const modelName = e.getAttribute('d-model');
+		if (!modelName) return;
+		e.addEventListener('input', (input: Event) => {
+			const target = input.target as HTMLInputElement;
+			appState.contents[modelName] = target.value;
+		});
+	});
+
+	const headContent = document.head.innerHTML;
+	const headElements = document.querySelectorAll('devto\\3A head');
+	headElements.forEach((e: Element) => {
+		if (e.childNodes.length == 0) return;
+		e.childNodes.forEach((elm) => {
+			const child = elm as Element;
+			if (child.nodeType !== 1) return;
+			if (!document.head.querySelectorAll(child.tagName)) return;
+			const uniqueAttributes = ['content', 'href'];
+			document.head.querySelectorAll(child.tagName).forEach((headEl: Element) => {
+				if (headEl.attributes.length == 0) {
+					headEl.remove();
+				}
+				for (let i = 0; i < headEl.attributes.length; i++) {
+					if (!headEl.attributes.item(i)) return;
+					const itemName = headEl.attributes.item(i)?.name;
+					if (!itemName) return;
+					if (uniqueAttributes.indexOf(itemName) == -1) {
+						if (child.attributes.getNamedItem(itemName)?.nodeValue == headEl.attributes.item(i)?.nodeValue) {
+							headEl.remove();
+						}
+					}
+				}
+			});
+			document.head.appendChild(child);
+		});
+		e.remove();
+	});
+
+	document.addEventListener('router:naviagte', () => {
+		document.head.innerHTML = headContent;
+	});
+
+	const anchorElms = document.querySelectorAll('a');
+	anchorElms.forEach((e: HTMLAnchorElement) => {
+		e.addEventListener('click', async (click: MouseEvent) => {
+			if (!event || click.ctrlKey) return;
+			const target = click.target as HTMLElement;
+			event.preventDefault();
+
+			if (!target) return;
+			const url: string | null = target.getAttribute('href');
+
+			if (!url) return;
+			await renderPage(url);
+		});
+	});
+
+	function hydrateKeyDown() {
+		document.body.querySelectorAll('*').forEach((e) => {
+			for (let i = 0; i < e.attributes.length; i++) {
+				const item = e.attributes.item(i)?.name;
+				if (!item) return;
+				if (item.startsWith('d-on:keydown')) {
+					const key = item.split('.')[1]?.toLowerCase();
+					let correctedKey = '';
+					if (key && key?.length > 1) {
+						key.split('').forEach((e, i, arr) => {
+							if (i === 0) {
+								arr[i] = e.toUpperCase();
+							}
+							correctedKey += arr[i];
+						});
+					}
+					e.addEventListener('keydown', (keydown) => {
+						const keyboardEvent = <KeyboardEvent>keydown;
+						if (keyboardEvent.key == correctedKey) {
+							const itemCode = e.getAttribute(item);
+							if (!itemCode) return;
+							eval(itemCode);
+						}
+					});
+				}
+			}
+		});
+	}
+	hydrateKeyDown();
+}

day31/src/lib/router/linkPrefetcher.ts

@@ -0,0 +1,52 @@
+export default (anchorElms: NodeListOf<HTMLAnchorElement>) => {
+	const prefetchedPages: Array<string> = [];
+
+	function prefetchLink(url: string) {
+		const prefetchElm = document.createElement('link');
+		prefetchElm.rel = 'prefetch';
+		prefetchElm.href = url;
+		prefetchElm.as = 'document';
+
+		if (import.meta.env.VITE_VERBOSE && !import.meta.env.PROD) {
+			prefetchElm.onload = () => { console.log('prefetched url: ' + url); };
+			prefetchElm.onerror = (err) => { console.error('cant prefetch url: ' + url, err); };
+		}
+
+		document.head.appendChild(prefetchElm);
+		prefetchedPages.push(url);
+	}
+
+	if (!('IntersectionObserver' in window)) return;
+	const visibleObserver = new IntersectionObserver((entries, observer) => {
+		entries.forEach((entry) => {
+			const url = entry.target.getAttribute('href');
+			if (!url) return;
+			if (prefetchedPages.includes(url)) {
+				observer.unobserve(entry.target);
+				return;
+			}
+			if (entry.isIntersecting) {
+				prefetchLink(url);
+				observer.unobserve(entry.target);
+			}
+		});
+	});
+
+	anchorElms.forEach((e: HTMLAnchorElement) => {
+		const prefetch = e.getAttribute('client:prefetch');
+		let method;
+		if (prefetch == null) return;
+		if (prefetch) method = prefetch;
+		if (e.href.includes(document.location.origin) && !e.href.includes('#') && e.href !== (document.location.href || document.location.href + '/')) {
+			// page would be a valid prefetch
+			if (method == 'hover') {
+				const url = e.getAttribute('href');
+				if (!url) return;
+				e.addEventListener('pointerenter', () => prefetchLink(url), { once: true });
+			} else {
+				// method is empty, visible, or invalid, either way we so the default of visible
+				visibleObserver.observe(e);
+			}
+		}
+	});
+};

day31/src/lib/router/pageRenderer.ts

@@ -0,0 +1,153 @@
+import { compileToString } from '../templateRenderer';
+import { appState, isSSR, isHTML } from '../../main';
+
+if (!appState) console.error('no reactive data found');
+
+let documentBody: string | HTMLElement | null;
+
+if (import.meta.env.SSR) {
+	const fs = await import('fs');
+	const path = await import('path');
+	documentBody = fs.readFileSync(
+		path.resolve('index.html'),
+		'utf-8'
+	);
+} else {
+	documentBody = document.getElementById('app');
+}
+
+
+// Global function to handle rendering a page and navigation
+export async function renderPage(route?: string) {
+	if (isSSR() || typeof documentBody == 'string') return;
+
+	if (!window.history) {
+		return;
+	}
+
+	if (!documentBody) {
+		throw new Error('Fatal Error: element with id app not found');
+	}
+
+	if (route) history.pushState('', '', route);
+
+	let fileName: string | Array<string> = window.location.pathname.split('/');
+	if (fileName[1] === '') {
+		fileName = '/index';
+	} else {
+		fileName = fileName.join('/').toLowerCase().trim();
+	}
+
+	const page: string | undefined = await loadPage(fileName);
+
+	if (!page) return;
+
+	// tell the web page that the router has loaded a new page, SSR is unaffected
+	document.dispatchEvent(new Event('router:naviagte'));
+
+	const stringifiedTemplate = await compileToString(page);
+
+	if (!stringifiedTemplate) return;
+
+	if (import.meta.env.VITE_VERBOSE && !import.meta.env.PROD && !import.meta.env.SSR) {
+		console.groupCollapsed('Loaded page ' + fileName);
+		console.info('Template: ' + page);
+		console.info('stringified template: ' + stringifiedTemplate.fnStr);
+		console.groupEnd();
+	}
+
+	// since we have all the html content ready to place in the app, we first need to remove all the old injected content
+	const childrenToRemove = document.head.querySelectorAll('*[local]');
+	childrenToRemove.forEach(child => document.head.removeChild(child));
+
+	documentBody.innerHTML = await eval(stringifiedTemplate.fnStr);
+	if (stringifiedTemplate.styles) {
+		const cssElement = document.createElement('style');
+		cssElement.type = 'text/css';
+		cssElement.setAttribute('local', 'true');
+		cssElement.innerHTML = stringifiedTemplate.styles;
+		document.head.appendChild(cssElement);
+	}
+
+	if (stringifiedTemplate.script) {
+		const scriptElement = document.createElement('script');
+		scriptElement.async = true;
+		scriptElement.type = 'module';
+		scriptElement.setAttribute('local', 'true');
+		scriptElement.innerHTML = stringifiedTemplate.script;
+		document.head.appendChild(scriptElement);
+	}
+
+	// here we hydrate/re-hydrate the page content
+	const { hydratePage } = await import('./hydrationManager');
+	await hydratePage();
+
+	// this is super bad but it works s good, fix later
+	setTimeout(() => {
+		// tell the document that the client has fully rendered and hydrated the page
+		document.dispatchEvent(new Event('router:client:load'));
+	}, 150);
+}
+
+async function loadPage(page: string) {
+	if (import.meta.env.SSR) return;
+	if (isSSR()) return;
+	const file = await fetchPage(page);
+
+	return file;
+}
+
+async function fetchPage(url: string) {
+	let path: string;
+	(import.meta.env.PROD) ? path = '/' : path = '/src/';
+
+	let file: string | void | undefined = await fetch(path + `pages${url}.devto`).then((response) => {
+		if (response.ok) {
+			return response.text();
+		}
+		throw new Error('Something went wrong');
+	})
+		.then((data) => {
+			if (!data) return undefined;
+			return data;
+		})
+		.catch(async () => {
+			await fetch(path + 'layouts/404.devto').then((response) => {
+				if (response.ok) {
+					return response.text();
+				}
+				throw new Error('Something went wrong');
+			})
+				.then((data) => {
+					if (!data) return undefined;
+					return data;
+				});
+		});
+
+	if (!file) return;
+
+	let template = file;
+	const elements: Array<string> = file.split('<');
+
+	await Promise.all(elements.map(async (component: string | undefined) => {
+		if (!component || !file) return;
+		component = component.split(' ')[0];
+		if (component?.includes('/') || component?.includes('{') || !component) return;
+		component = component.split('>')[0];
+		if (!component) return;
+		if (isHTML(component)) return;
+		await fetch(path + `components/${component}.devto`).then((response) => {
+			if (response.ok) {
+				return response.text();
+			}
+			throw new Error('Something went wrong');
+		})
+			.then((data) => {
+				file = data;
+			});
+		template = template.replace('<' + component + ' />', file);
+	})
+	);
+
+	return template;
+}

day31/src/lib/router/ssrHydrationGenerator.ts

@@ -0,0 +1,220 @@
+export async function renderSSRHydrationCode(template: string) {
+	let script = '';
+	script += `console.log(${import.meta.env.SSR})`;
+
+	if (template.includes('appState.contents.') || template.includes('data-token')) {
+		script += `
+		const { appState } = await import('/src/main.ts');
+		Object.keys(appState.contents).forEach((e) => {
+			if (e === undefined) return;
+			// here we check for elements with the name of "data-token-<hex code of the item name>"
+			const uuid = e.split('').map((c) => c.charCodeAt(0).toString(16).padStart(2, '0')).join('');
+			const listeningElements = document.querySelectorAll(\`[\${'data-token-' + uuid}]\`);
+			listeningElements.forEach((elm) => {
+				if (elm.parentElement?.getAttribute('d-once') !== null) {
+					elm.parentElement?.removeAttribute('d-once');
+					return;
+				}
+	
+				if (elm.parentElement?.getAttribute('d-html') !== null) {
+					appState.listen(e, (change) => elm.innerHTML = change);
+					elm.parentElement?.removeAttribute('d-html');
+				} else {
+					appState.listen(e, (change) => elm.textContent = change);
+				}
+			});
+		});
+		`;
+	}
+
+	if (template.includes('d-on:click')) {
+		script += `
+		const elms = document.querySelectorAll('*[d-on\\\\3A click]');
+		elms.forEach((e) => {
+			const clickFunction = e.getAttribute('d-on:click');
+			e.removeAttribute('d-on:click');
+			if (!clickFunction) return;
+			e.addEventListener('click', () => {
+				eval(clickFunction);
+			});
+		});
+		`;
+	}
+
+	if (template.includes('d-if')) {
+		script += `
+		const conditionalElms = document.querySelectorAll('*[d-if]');
+	conditionalElms.forEach(async (e) => {
+		const condition = e.getAttribute('d-if');
+
+		const siblingConditionalElms = [];
+		// recursively check for subsequent elements with the d-else of d-else-if attribute
+		function checkForConditionSibling(elm) {
+			if (!elm.nextElementSibling || typeof elm.nextElementSibling == 'undefined') return;
+			if (elm.nextElementSibling?.getAttribute('d-else-if') !== null) {
+				siblingConditionalElms.push(elm.nextElementSibling);
+				if (!elm.nextElementSibling) return;
+				checkForConditionSibling(elm.nextElementSibling);
+			}
+
+			if (elm.nextElementSibling?.getAttribute('d-else') !== null) {
+				siblingConditionalElms.push(elm.nextElementSibling);
+			}
+		}
+		checkForConditionSibling(e);
+
+		if (siblingConditionalElms == undefined) return;
+
+		function resetHTML() {
+			e.innerHTML = '<!-- d-if -->';
+			for (let i = 0; i < siblingConditionalElms.length; i++) {
+				const element = siblingConditionalElms[i];
+				if (!element) return;
+				element.innerHTML = '<!-- d-if -->';
+			}
+		}
+
+		let ifStatement = \`if (!!eval(condition)) {
+			e.innerHTML = originalHTML
+		} \`;
+
+		for (let i = 0; i < siblingConditionalElms.length; i++) {
+			const element = siblingConditionalElms[i];
+			if (!element) return;
+			const originHTML = element.innerHTML;
+			element.innerHTML = '<!-- d-if -->';
+			let statementDirective = 'else';
+			if (element.getAttribute('d-else-if') !== null) {
+				statementDirective = 'else if';
+			}
+			const condition = eval('element.getAttribute(\\'d-\\' + statementDirective.split(\\' \\').join(\\'-\\'))');
+
+			if (statementDirective == 'else if') {
+				statementDirective = 'else if (' + condition + ')';
+			}
+
+			ifStatement = ifStatement + statementDirective + \`{
+			siblingConditionalElms[\${ i }].innerHTML = "\${originHTML}"
+		} \`;
+		}
+
+		e.removeAttribute('d-if');
+		const originalHTML = e.innerHTML;
+		if (!condition || originalHTML == undefined) return;
+		if (condition.includes('appState.contents.')) {
+			let reactiveProp = /appState\\.contents\\.[a-zA-Z]+/.exec(condition);
+			if (!reactiveProp || !reactiveProp[0]) return;
+			reactiveProp = reactiveProp[0].split('.')[2];
+			if (!reactiveProp) return;
+			appState.listen(reactiveProp, () => {
+				resetHTML();
+				eval(ifStatement);
+			});
+		}
+
+
+		eval(ifStatement);
+	});
+
+	const pointerEnterElms = document.querySelectorAll('*[d-on\\\\3A pointerEnter]');
+	pointerEnterElms.forEach((e) => {
+		const enterFunction = e.getAttribute('d-on:pointerEnter');
+		e.removeAttribute('d-on:pointerEnter');
+		if (!enterFunction) return;
+		e.addEventListener('pointerenter', () => {
+			eval(enterFunction);
+		});
+	});
+
+	const pointerExitElms = document.querySelectorAll('*[d-on\\\\3A pointerExit]');
+	pointerExitElms.forEach((e) => {
+		const exitFunction = e.getAttribute('d-on:pointerExit');
+		e.removeAttribute('d-on:pointerExit');
+		if (!exitFunction) return;
+		e.addEventListener('pointerleave', () => {
+			eval(exitFunction);
+		});
+	});
+		`;
+	}
+
+	if (template.includes('d-on:mouseDown')) {
+		script += `
+		const mouseDownElms = document.querySelectorAll('*[d-on\\\\3A mouseDown]');
+	mouseDownElms.forEach((e) => {
+		const downFunction = e.getAttribute('d-on:mouseDown');
+		e.removeAttribute('d-on:mouseDown');
+		if (!downFunction) return;
+		e.addEventListener('mousedown', () => {
+			eval(downFunction);
+		});
+	});`;
+	}
+
+	if (template.includes('d-on:mouseUp')) {
+		script += `
+		const mouseUpElms = document.querySelectorAll('*[d-on\\\\3A mouseUp]');
+	mouseUpElms.forEach((e) => {
+		const dupFunction = e.getAttribute('d-on:mouseUp');
+		e.removeAttribute('d-on:mouseUp');
+		if (!dupFunction) return;
+		e.addEventListener('mouseup', () => {
+			eval(dupFunction);
+		});
+	});`;
+	}
+
+	if (template.includes('d-model')) {
+		if (!script.includes('const { appState } = ')) script += 'const { appState } = await import(\'/src/main.ts\');';
+		script += `
+		const modelElms = document.querySelectorAll('input[d-model], textarea[d-model]');
+	modelElms.forEach((e) => {
+		const modelName = e.getAttribute('d-model');
+		if (!modelName) return;
+		e.addEventListener('input', (input) => {
+			const target = input.target;
+			appState.contents[modelName] = target.value;
+		});
+	});`;
+	}
+
+	// check if there are links to prefetch
+	if (template.includes('<a ') && template.includes('client:prefetch')) {
+		script += `
+		const anchorElms = document.querySelectorAll('a');
+		const linkPrefetcher = await import('/src/lib/router/linkPrefetcher.ts');
+		linkPrefetcher.default(anchorElms);`;
+	}
+
+	if (template.includes('d-on:keydown.')) {
+		script += `
+		document.body.querySelectorAll('*').forEach((e) => {
+			for (let i = 0; i < e.attributes.length; i++) {
+				const item = e.attributes.item(i).name;
+				if (!item) return;
+				if (item.startsWith('d-on:keydown')) {
+					const key = item.split('.')[1].toLowerCase();
+					let correctedKey = '';
+					if (key && key.length > 1) {
+						key.split('').forEach((e, i, arr) => {
+							if (i === 0) {
+								arr[i] = e.toUpperCase();
+							}
+							correctedKey += arr[i];
+						});
+					}
+					e.addEventListener('keydown', (keydown) => {
+						const keyboardEvent = keydown;
+						if (keyboardEvent.key == correctedKey) {
+							const itemCode = e.getAttribute(item);
+							if (!itemCode) return;
+							eval(itemCode);
+						}
+					});
+				}
+			}
+		});`;
+	}
+
+	return script;
+}

day31/src/lib/templateRenderer.ts

@@ -0,0 +1,191 @@
+export const compileToString = async (template: string) => {
+	let styles = '';
+
+	const style = parseFromRegex(template, /<style[\s\S]*?>[\s\S]*?<\/style>/gi);
+
+	if (style) {
+		style.map(async (styleData) => {
+			if (!styleData) return;
+			if (styleData.startsWith('<style') && styleData.endsWith('</style>')) {
+				styles += styleData.split('<style')[1]?.split('>')[1]?.split('</style')[0];
+			}
+
+			// remove the style from the body
+			template = template.split('<style>' + styles + '</style>').join('');
+		});
+	}
+
+	let scriptInjection = '';
+	let script = '';
+
+	const scriptContent = parseFromRegex(template, /<script>[\s\S]*?<\/script>/gi);
+
+	if (scriptContent) {
+		scriptContent.map(async (scriptData) => {
+			if (!scriptData) return;
+			if (scriptData.startsWith('<script>') && scriptData.endsWith('</script>')) {
+				if (scriptData.includes('appState.contents.')) {
+					scriptInjection += 'const { appState } = await import("/src/main.ts");';
+				}
+
+				if (scriptData.includes('getCookie')) {
+					scriptInjection += 'const { getCookie } = await import("/src/lib/cookieManager.ts");';
+				}
+
+				if (scriptData.includes('setCookie')) {
+					scriptInjection += 'const { setCookie } = await import("/src/lib/cookieManager.ts");';
+				}
+
+				if (scriptData.includes('isSSR()')) {
+					scriptInjection += 'const { isSSR } = await import("/src/main.ts");';
+				}
+
+				script += scriptData.split('<script>')[1]?.split('</script>')[0];
+				scriptInjection += 'document.addEventListener(\'router:client:load\', () => {\n' + scriptData.split('<script>')[1]?.split('</script>')[0] + '\n});';
+			}
+
+			// remove the script from the body
+			template = template.split('<script>' + script + '</script>').join('');
+		});
+	}
+
+	const scriptContentSetup = parseFromRegex(template, /<script setup[\s\S]*?>[\s\S]*?<\/script>/gi);
+	let setupScript = '';
+	if (scriptContentSetup) {
+		scriptContentSetup.map(async (scriptData) => {
+			if (!scriptData) return;
+			if (scriptData.startsWith('<script setup') && scriptData.endsWith('</script>')) {
+				if (scriptData.includes('appState.contents.')) {
+					scriptInjection += 'const { appState } = await import("/src/main.ts");';
+				}
+
+				if (scriptData.includes('getCookie')) {
+					scriptInjection += 'const { getCookie } = await import("/src/lib/cookieManager.ts");';
+				}
+
+				if (scriptData.includes('setCookie')) {
+					scriptInjection += 'const { setCookie } = await import("/src/lib/cookieManager.ts");';
+				}
+
+				if (scriptData.includes('isSSR()')) {
+					scriptInjection += 'const { isSSR } = await import("/src/main.ts");';
+				}
+
+				setupScript += scriptData.split('<script setup>')[1]?.split('</script>')[0];
+				scriptInjection = scriptData.split('<script setup>')[1]?.split('</script>')[0] + scriptInjection;
+			}
+
+			// remove the script from the body
+			template = template.split('<script setup>' + setupScript + '</script>').join('');
+		});
+	}
+
+	let headInjection = '';
+	let head = '';
+	if (import.meta.env.SSR) {
+		const headInjectionContent = parseFromRegex(template, /<devto:head[\s\S]*?>[\s\S]*?<\/devto:head>/gi);
+		if (headInjectionContent) {
+			headInjectionContent.map(async (headData) => {
+				if (!headData) return;
+				if (headData.startsWith('<devto:head>') && headData.endsWith('</devto:head>')) {
+					const newHeadContent = headData.split('<devto:head>')[1]?.split('</devto:head>')[0];
+					if (!newHeadContent) return;
+					head = newHeadContent;
+					const elements = newHeadContent.split('\n');
+					elements.forEach((e, i, arr) => {
+						if (!e.trim()) return;
+						function isCompleteElement() {
+							if (!e.endsWith('>')) {
+								return false;
+							} else {
+								return true;
+							}
+						}
+						if (!isCompleteElement()) {
+							arr[i] = '';
+							arr[i + 1] = e + arr[i + 1];
+						}
+						if (!isCompleteElement()) return;
+						headInjection += e;
+					});
+				}
+			});
+			template = template.split('<devto:head>' + head + '</devto:head>').join('');
+		}
+	}
+
+
+	if (template.includes('getCookie') && !script.includes('getCookie')) {
+		scriptInjection += 'const getCookie = await import("/src/lib/cookieManager.ts");';
+	}
+
+	if (template.includes('setCookie') && !script.includes('setCookie')) {
+		scriptInjection += 'const { setCookie } = await import("/src/lib/cookieManager.ts");';
+	}
+
+	const ast: any = parseFromRegex(template, /{(.*?)}/g);
+	let fnStr = '``';
+
+	if (!ast) return;
+
+
+	ast.map(async (t: string) => {
+		// checking to see if it is an interpolation
+		if (t.startsWith('{') && t.endsWith('}')) {
+			// TODO: rewrite comment
+			const bracketVariable = t.split(/{|}/).filter(Boolean)[0]?.trim();
+			if (!bracketVariable) return;
+			const parentElement = fnStr.split(t)[0]?.split('>');
+			if (!parentElement || !parentElement[parentElement.length - 2] || typeof parentElement[parentElement.length - 2] == 'undefined') return;
+			const isRawHTML = parentElement[parentElement.length - 2]?.includes('d-html');
+			if (bracketVariable.startsWith('appState.contents.')) {
+				const uuid = bracketVariable.substring(bracketVariable.length, 18).split('').map((c: string) => c.charCodeAt(0).toString(16).padStart(2, '0')).join('');
+				fnStr = fnStr.substring(0, fnStr.length - 1) + `<span data-token-${uuid}>\``;
+			} else {
+				fnStr = fnStr.substring(0, fnStr.length - 1) + '<span>`';
+			}
+			let runVar = `((${bracketVariable}).toString().replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'))`;
+
+			if (isRawHTML) {
+				runVar = `(${bracketVariable})`;
+			}
+
+			fnStr += `+ (${runVar})` + '+`</span>`';
+		} else {
+			// append the string to the fnStr
+			fnStr += `+\`${t}\``;
+		}
+	});
+
+	if (import.meta.env.VITE_VERBOSE && !import.meta.env.PROD && !import.meta.env.SSR) {
+		console.groupCollapsed('Compiled tempalte to String');
+		console.info('Template String: ' + fnStr);
+		console.groupEnd();
+	}
+
+
+	return { fnStr, styles, script: scriptInjection, head: headInjection };
+};
+
+const parseFromRegex = (template: string, regex: RegExp) => {
+	let result = regex.exec(template);
+	regex.lastIndex = 0;
+	const arr = [];
+	let firstPos;
+
+	while (result) {
+		firstPos = result.index;
+		if (firstPos !== 0) {
+			arr.push(template.substring(0, firstPos));
+			template = template.slice(firstPos);
+		}
+
+		arr.push(result[0]);
+		template = template.slice(result[0]?.length);
+		result = regex.exec(template);
+		regex.lastIndex = 0;
+	}
+
+	if (template) arr.push(template);
+	return arr;
+};

day31/src/main.ts

@@ -0,0 +1,27 @@
+import { Reactive } from './lib/ReactiveObject';
+import { getCookie } from './lib/cookieManager';
+
+const time = (new Date).getTime();
+export const appState: Reactive = new Reactive({
+	count: 0,
+	text: '',
+	cookie: getCookie('username'),
+	html: '',
+	year: '',
+	cookiedata: '',
+	time: time,
+});
+
+let SSR: boolean;
+
+export function isSSR() {
+	if (import.meta.env.SSR) return true;
+	if (SSR !== undefined) return SSR;
+	SSR = !!document.getElementById('app')?.getAttribute('data-server-rendered');
+	return SSR;
+}
+
+export function isHTML(tag: string) {
+	const tags = ['a', 'abbr', 'acronym', 'address', 'applet', 'area', 'article', 'aside', 'audio', 'b', 'base', 'basefont', 'bdi', 'bdo', 'bgsound', 'big', 'blink', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'content', 'data', 'datalist', 'dd', 'decorator', 'del', 'details', 'devto:head', 'dfn', 'dir', 'div', 'dl', 'dt', 'element', 'em', 'embed', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html', 'i', 'iframe', 'img', 'input', 'ins', 'isindex', 'kbd', 'keygen', 'label', 'legend', 'li', 'link', 'listing', 'main', 'map', 'mark', 'marquee', 'menu', 'menuitem', 'meta', 'meter', 'nav', 'nobr', 'noframes', 'noscript', 'object', 'ol', 'optgroup', 'option', 'output', 'p', 'param', 'plaintext', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'script', 'section', 'select', 'shadow', 'small', 'source', 'spacer', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'title', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr', 'xmp'];
+	return tags.indexOf(tag.trim().toLowerCase()) > -1;
+}

day31/src/pages/index.devto

@@ -0,0 +1,18 @@
+<devto:head>
+  <title>special head</title>
+  <meta name="description"
+    content="realistic app description">
+</devto:head>
+
+<div class="grid place-items-center p-3 content-center min-h-screen">
+  <div class="p-6 border-neutral-800 rounded-lg container__content  border">
+    <Counter />
+    <textInput />
+    <div>
+      <a href="/page2"
+        client:prefetch>Navigate</a>
+      <a href="/page3"
+        client:prefetch>Navigate</a>
+    </div>
+  </div>
+</div>

day31/src/pages/nojavascript.devto

@@ -0,0 +1,7 @@
+<div class="grid place-items-center p-3 content-center min-h-screen">
+	<div class="p-6 border-neutral-800 rounded-lg container__content  border">
+	  <h1 class="text-xl font-semibold">This page has no javascript!!</h1>
+	  <a href="/" client:prefetch>Home</a>
+	  </div>
+	</div>
+  </div>

day31/src/pages/page2.devto

@@ -0,0 +1,17 @@
+<div class="grid place-items-center p-3 content-center min-h-screen">
+    <div class="p-6 border-neutral-800 rounded-lg container__content  border">
+        <htmlInput />
+        <myDad />
+        <div>
+            {appState.contents.time}
+            {appState.contents.time}
+            {appState.contents.time}
+            {appState.contents.time}
+            {appState.contents.time}
+            {appState.contents.time}
+            {appState.contents.time}
+        </div>
+        <a href="/"
+            client:prefetch>Home</a>
+    </div>
+</div>

day31/src/pages/page3.devto

@@ -0,0 +1,10 @@
+<div class="grid place-items-center p-3 content-center min-h-screen">
+    <div class="p-6 border-neutral-800 rounded-lg container__content  border">
+        <cookieInput />
+        <a href="/"
+            client:prefetch>Home</a>
+            <br/>
+            <a href="/nojavascript"
+            client:prefetch>No javascript</a>
+    </div>
+</div>

day31/src/style.css

@@ -0,0 +1,21 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+html,
+body {
+    background-color: #101010;
+    color: #FEFEFE;
+    font-family: Helvetica, Arial, Sans-Serif;
+    padding: 0;
+    margin: 0;
+    min-height: 100vh;
+}
+
+a:hover {
+    text-decoration: underline;
+}
+
+.container__content {
+    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
+}