add day 81 & 82

day82/src/lib/ReactiveObject.ts

@@ -0,0 +1,65 @@
+export class Reactive {
+	listeners: Record<string, Array<CallableFunction>>;
+	contents: Record<string, unknown>;
+
+	constructor(obj: Record<string, unknown>) {
+		const createProxy = (target: unknown, propName: string) => {
+			if (propName !== '') {
+				propName = propName + '.';
+			}
+			function proxyObjects(obj: Record<string, unknown>) {
+				if (typeof obj !== 'object') {
+					return;
+				}
+
+				Object.keys(obj).forEach((key) => {
+					if (typeof obj[key] == 'object') {
+						proxyObjects(obj[key]);
+						obj[key] = createProxy(obj[key], `${propName}${key}`);
+					}
+				});
+			}
+
+			proxyObjects(target);
+
+			return new Proxy(target, {
+				set: (target, key, value) => {
+					if (typeof value === 'object') {
+						// Recursively create a proxy for nested objects
+						value = createProxy(value, `${propName}${key.toString()}`);
+					}
+
+					if (typeof key !== 'string') return false;
+
+					target[key] = value;
+					this.notify(`${propName}${key}`);
+					return true;
+				},
+			});
+		};
+
+		this.contents = createProxy(obj, '');
+		this.listeners = {};
+	}
+
+	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;
+
+		// Split the property name into its nested parts
+		const propParts = prop.split('.');
+
+		// Get the value of the nested property on the contents object
+		let value: unknown = this.contents;
+		propParts.forEach((part) => {
+			value = value[part];
+		});
+
+		this.listeners[prop]?.forEach((listener: CallableFunction) => listener(value));
+	}
+}

day82/src/lib/cookieManager.ts

@@ -0,0 +1,43 @@
+export function setCookie(name: string, value: string, expires: string | Date, sameSite: string, path?: string, domain?: string) {
+	if (import.meta.env.SSR) return;
+	let cookie = name.trimEnd() + '=' + escape(value) + ';SameSite=' + sameSite + ';';
+
+	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;
+}
+
+export function getCookie(name: string): string {
+	let decodedCookie: string | Record<string, Record<string, string>>;
+	if (import.meta.env.SSR) {
+		if (!global._ctx.cookies || !global._ctx.cookies[name]) return '';
+		return global._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 '';
+}

day82/src/lib/lruCache.ts

@@ -0,0 +1,31 @@
+// ruthlessly stolen from @trunarla on twitter
+export class LRUCache {
+	#cache: Map<string, string | Record<string, string | Record<string, string | boolean>>>;
+	#capacity: number;
+
+	constructor(capacity: number) {
+		this.#capacity = capacity;
+		this.#cache = new Map<string, string | Record<string, string | Record<string, string | boolean>>>();
+	}
+
+	set(key: string, value: string | Record<string, string | Record<string, string | boolean>>) {
+		// If we're at capacity, we need to delete the least-recently-used item:
+		if (this.#cache.size >= this.#capacity) {
+			// Manually invoke the keys iterator to get the least-recently-used key:
+			const keyToDelete = this.#cache.keys().next().value;
+			this.#cache.delete(keyToDelete);
+		}
+		this.#cache.delete(key);
+		this.#cache.set(key, value);
+	}
+
+	get(key: string): Record<string, string | Record<string, string | boolean>> | string | undefined {
+		if (this.#cache.has(key)) {
+			const value = this.#cache.get(key);
+			if (!value) return;
+			this.#cache.delete(key);
+			this.#cache.set(key, value);
+			return value;
+		}
+	}
+}

day82/src/lib/router/SSR/ssrHydrationGenerator.ts

@@ -0,0 +1,209 @@
+import { ReactifyTemplate, hydrateModelAttributes, hydrateKeyDown, hydrateBindElements } from '../hydrationManager';
+import { JSDOM } from 'jsdom';
+import { Reactive } from '../../ReactiveObject';
+import { initAppState } from '../../../main';
+
+function SSRHydrateElement(querySelector: string, eventListenerName: string, removeAttribute?: boolean) {
+	const queryName: Array<string> | null = /(?<=\[).+?(?=\])/.exec(querySelector);
+
+	if (!queryName || !queryName[0]) return;
+
+	const querySelectorAll = (querySelector.replace(':', '\\\\3A '));
+	querySelector = queryName[0];
+	let removeAttributeString = '';
+
+	if (removeAttribute === undefined || removeAttribute === true) {
+		removeAttributeString = `e.removeAttribute('${querySelector}');`;
+	}
+
+	const queryType = querySelector.split(':')[1];
+	const script = `const ${queryType}Elms = document.querySelectorAll('${querySelectorAll}');
+	${queryType}Elms.forEach((e) => {
+		const ${queryType}HydrationFunction = e.getAttribute('${querySelector}');
+		${removeAttributeString}
+		if (!${queryType}HydrationFunction) return;
+		e.addEventListener('${eventListenerName}', () => {
+			eval(${queryType}HydrationFunction);
+		});
+	});`;
+
+	return script;
+}
+
+export async function renderSSRHydrationCode(template: string, reduceJavascript = false, serverSideSPALikeRouting = true) {
+	const dom = new JSDOM(template);
+	let script = '';
+
+	if (template.includes('appState.contents.') || template.includes('data-token')) {
+		script += `
+			const { getAppState, initAppState } = await import('/src/main.ts');await initAppState();const appState = getAppState();
+			` + ReactifyTemplate.toString() + 'ReactifyTemplate(appState);';
+	}
+
+	if (template.includes('d-if')) {
+		const conditionalElms = Array.from(dom.window.document.querySelectorAll('*[d-if]'));
+		if (conditionalElms.length === 0) return;
+		conditionalElms.forEach(async (e: Element, i) => {
+			const condition = e.getAttribute('d-if');
+			e.removeAttribute('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 generateLabel(textContent: string, count?: number) {
+				if (count === undefined) count = 1;
+				let label = '';
+				if (script.includes(textContent + '-' + count) || template.includes(textContent + '-' + count)) {
+					label = generateLabel(textContent, count + 1);
+				} else {
+					label = textContent + '-' + count.toString();
+				}
+				return label;
+			}
+
+			if (!e.textContent) return;
+			const uniqueSelector = generateLabel(e.textContent);
+			e.setAttribute('uuid', uniqueSelector);
+
+			script += `function resetHTML_${i}() {`;
+			script += `document.querySelector('*[uuid="${uniqueSelector}"]').innerHTML = '<!-- d-if -->';`;
+			const siblingUUIDMap = new Map();
+			siblingConditionalElms.forEach((elm, i) => {
+				if (!elm || !elm.textContent) return;
+				const siblingUniqueSelector = generateLabel(elm.textContent);
+				elm.setAttribute('uuid', siblingUniqueSelector);
+				script += `document.querySelector('*[uuid="${siblingUniqueSelector}"').innerHTML = '<!-- d-if -->';`;
+				siblingUUIDMap[i.toString()] = siblingUniqueSelector;
+			});
+			script += '}';
+
+			let ifStatement = `if (${condition}) {
+				document.querySelector('*[uuid="${uniqueSelector}"').innerHTML = "${e.innerHTML}"
+        } `;
+
+			siblingConditionalElms.forEach((element, i) => {
+				if (!element) return;
+				const siblingHTML = element.innerHTML;
+				let statementDirective = 'else';
+				element.removeAttribute('d-else');
+				if (element.getAttribute('d-else-if') !== null) {
+					statementDirective = 'else if';
+				}
+				const condition = element.getAttribute('d-' + statementDirective.split(' ').join('-'));
+
+				if (statementDirective == 'else if') {
+					statementDirective = `else if (${condition})`;
+					element.removeAttribute('d-else-if');
+				}
+
+				const siblingUuid = siblingUUIDMap[i.toString()];
+				ifStatement = ifStatement + statementDirective + `{
+					document.querySelector('*[uuid="${siblingUuid}"').innerHTML = ("${siblingHTML.toString()}")
+            }`;
+			});
+
+			if (!condition) return;
+			script += `resetHTML_${i}();`;
+			script += `eval(\`${ifStatement}\`);`;
+
+			if (condition.includes('appState.contents.')) {
+				let reactiveProp: Array<string> | string | null | undefined = /appState\.contents\.[a-zA-Z]+/.exec(condition);
+				if (!reactiveProp || !reactiveProp[0]) return;
+				reactiveProp = reactiveProp[0].split('.')[2];
+				if (!reactiveProp) return;
+				script += `appState.listen("${reactiveProp}", () => {
+				resetHTML_${i}();
+				eval(\`${ifStatement}\`);
+			});`;
+			}
+		});
+	}
+
+	if (template.includes('d-on:click')) {
+		script += SSRHydrateElement('*[d-on:click]', 'click');
+	}
+
+	if (template.includes('d-on:mouseDown')) {
+		script += SSRHydrateElement('*[d-on:mouseDown]', 'mousedown');
+	}
+
+	if (template.includes('d-on:mouseUp')) {
+		script += SSRHydrateElement('*[d-on:mouseUp]', 'mouseup');
+	}
+
+	if (template.includes('d-model')) {
+		if (!script.includes('const { getAppState, initAppState } = ')) script += 'const { getAppState, initAppState } = await import(\'/src/main.ts\');';
+		if (!script.includes('const appState =')) script += 'await initAppState();const appState = getAppState();';
+		script += hydrateModelAttributes.toString() + 'hydrateModelAttributes(appState);';
+	}
+
+	// check if there are links to hydrate
+	if (template.includes('<a') && (!reduceJavascript || serverSideSPALikeRouting)) {
+		script += `const anchorElms = document.querySelectorAll('a');
+		anchorElms.forEach((e) => {`;
+
+		if (template.includes('client:prefetch') && serverSideSPALikeRouting) script += `e.addEventListener('click', async (event) => {
+			console.log(event)
+			const route = event.target.href;
+			if (route === window.location.pathname) return;
+			if (event.ctrlKey) return;
+			event.preventDefault();
+			if (!('history' in window)) return;
+			history.pushState('', '', route);
+			await fetch(route)
+			.then((response) => response.text())
+			.then((data) => {
+				document.write(data);
+				document.close();
+			});
+			return false;
+		}); e.removeAttribute('client:prefetch');`;
+
+		if (!reduceJavascript) script += `if (e.href === window.location.href) {
+					e.setAttribute('link:active', '');
+					e.setAttribute('tabindex', '-1');
+				}`;
+		script += '}); ';
+	}
+
+	if (template.includes('d-bind:') || template.includes(' :')) {
+		if (!script.includes('const { getAppState, initAppState } = ')) script += 'const { getAppState, initAppState } = await import(\'/src/main.ts\');';
+		if (!script.includes('const appState =')) script += 'await initAppState();const appState = getAppState();';
+		script += hydrateBindElements.toString() + 'hydrateBindElements(appState, document.getElementById("app"));';
+	}
+
+	if (template.includes('d-on:keydown.')) {
+		script += hydrateKeyDown.toString() + 'hydrateKeyDown(appState, document.getElementById("app"));';
+	}
+
+	if (template.includes('d-on:pointerEnter')) {
+		script += SSRHydrateElement('*[d-on:pointerEnter]', 'pointerenter');
+	}
+
+	if (template.includes('d-on:pointerExit')) {
+		script += SSRHydrateElement('*[d-on:pointerExit]', 'pointerleave');
+	}
+
+	if (script.includes('const { getAppState, initAppState } = await import(\'/src/main.ts\');await initAppState();const appState = getAppState();')) {
+		script = script.replace('const { getAppState, initAppState } = await import(\'/src/main.ts\');await initAppState();const appState = getAppState();', Reactive.toString() + 'let appState;' + initAppState.toString() + ' await initAppState();').replace('__vite_ssr_import_0__.', '').replace('__vite_ssr_dynamic_import__', 'import');
+	}
+
+	template = dom.window.document.body.innerHTML;
+
+	return { script, template };
+}

day82/src/lib/router/hydrationManager.ts

@@ -0,0 +1,307 @@
+import { getAppState } from '../../main';
+import { renderPage } from './pageRenderer';
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+import { getCookie, setCookie } from '../cookieManager';
+import { Reactive } from '../ReactiveObject';
+
+// function to turn the template into reactive content "hydating" a page
+export async function hydratePage(reduceJavascript = false) {
+	if (import.meta.env.SSR) return;
+
+	const appState = await getAppState();
+	const documentBody = document.getElementById('app');
+
+	if (!documentBody) {
+		throw new Error('Fatal Error: element with id app not found');
+	}
+
+	const hydrateEvent = (eventName: string, elementSelector: string) => {
+		hydrateElement(elementSelector, appState, eventName, getCookie, setCookie);
+	};
+
+	ReactifyTemplate(appState);
+
+	hydrateHeadElements(appState);
+	hydrateIfAttributes(appState);
+	await hydrateAnchorElements(reduceJavascript);
+
+	// interactive hydration
+	hydrateBindElements(appState, documentBody);
+	hydrateEvent('click', '*[d-on:click]');
+	hydrateEvent('pointerenter', '*[d-on:pointerEnter]');
+	hydrateEvent('pointerleave', '*[d-on:pointerExit]');
+	hydrateEvent('mousedown', '*[d-on:mouseDown]');
+	hydrateEvent('mouseup', '*[d-on:mouseUp]');
+
+	// Update app state items with input values from elements with the "d-model" attribute.
+	// Similar to Vue.js' v-model attribute.
+	hydrateModelAttributes(appState);
+	hydrateKeyDown(appState, documentBody);
+}
+
+export function ReactifyTemplate(appState: Reactive) {
+	const spanElements = Array.from(document.querySelectorAll('span'));
+
+	spanElements.forEach(spanElement => {
+		// Get all attributes that start with "data-token-"
+		const reactiveElms = Array.from(spanElement.attributes).filter(attr => attr.name.startsWith('data-token-'));
+
+		if (reactiveElms.length === 0) return;
+
+		reactiveElms.forEach(reactiveElm => {
+			const item = reactiveElm.name;
+			const uuid = item.split('data-token-')[1];
+
+			// If the uuid is not found, throw an error
+			if (!uuid) throw new Error('Internal error: decoded uuid not found');
+
+			// Decode the uuid
+			let decodedUuid = '';
+			for (let i = 0; i < uuid.length; i += 2) {
+				decodedUuid += String.fromCharCode(parseInt(uuid.substr(i, 2), 16));
+			}
+
+			// If the span element's parent has the "d-once" attribute, remove it and return since we're only doing it once
+			if (spanElement.parentElement?.hasAttribute('d-once')) {
+				spanElement.parentElement.removeAttribute('d-once');
+				return;
+			}
+
+			// If the span element's parent has the "d-html" attribute, listen to the decoded uuid
+			// and set the span element's innerHTML to the change value
+			if (spanElement.parentElement?.hasAttribute('d-html')) {
+				appState.listen(decodedUuid, (change: string) => spanElement.innerHTML = change);
+				return;
+			}
+
+			appState.listen(decodedUuid, (change: string | null) => spanElement.textContent = change);
+		});
+	});
+}
+
+export function hydrateIfAttributes(appState: Reactive) {
+	const conditionalElms = Array.from(document.querySelectorAll('*[d-if]'));
+	if (conditionalElms.length === 0) return;
+	conditionalElms.forEach(async (e: Element) => {
+		const condition = e.getAttribute('d-if');
+
+		const siblingConditionalElms: Array<Element> = [];
+		let currentElm = e;
+		// recursively check for subsequent elements with the d-else of d-else-if attribute
+		while (currentElm.nextElementSibling) {
+			const nextElm = currentElm.nextElementSibling;
+			if (nextElm.getAttribute('d-else-if') !== null) {
+				siblingConditionalElms.push(nextElm);
+			} else if (nextElm.getAttribute('d-else') !== null) {
+				siblingConditionalElms.push(nextElm);
+				break;
+			}
+			currentElm = nextElm;
+		}
+
+		if (siblingConditionalElms == undefined) return;
+
+		const resetHTML = () => {
+			e.innerHTML = '<!-- d-if -->';
+			siblingConditionalElms.forEach((elm) => {
+				elm.innerHTML = '<!-- d-if -->';
+			});
+		};
+
+		let ifStatement = `if (${condition}) {
+            e.innerHTML = "${e.innerHTML}"
+        } `;
+
+		siblingConditionalElms.forEach((element, i) => {
+			const siblingHTML = element.innerHTML;
+			element.innerHTML = '<!-- d-if -->';
+			let statementDirective = 'else';
+			element.removeAttribute('d-else');
+			if (element.hasAttribute('d-else-if')) statementDirective = 'else if';
+			const condition = element.getAttribute('d-' + statementDirective.split(' ').join('-'));
+
+			if (statementDirective == 'else if') {
+				statementDirective = `else if (${condition})`;
+				element.removeAttribute('d-else-if');
+			}
+
+			ifStatement = `${ifStatement} ${statementDirective} {
+                siblingConditionalElms[${i}].innerHTML = "${siblingHTML}"
+            }`;
+		});
+
+		e.removeAttribute('d-if');
+		if (!condition) return;
+		resetHTML();
+		eval(ifStatement);
+
+		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);
+			});
+		}
+	});
+}
+
+export function hydrateElement(querySelector: string, appState: Reactive, eventListenerName: string, getCookie: CallableFunction, setCookie: CallableFunction, removeAttribute?: boolean) {
+	const queryName: Array<string> | null = /(?<=\[).+?(?=\])/.exec(querySelector);
+	if (!queryName || !queryName[0]) return;
+
+	const querySelectorAll = querySelector.split(':').join('\\3A ');
+	querySelector = queryName[0];
+	const elms = Array.from(document.querySelectorAll(querySelectorAll));
+	if (elms.length === 0) return;
+
+	elms.forEach(async (e: Element) => {
+		const hydrationFunction = e.getAttribute(`${querySelector}`);
+
+		if (removeAttribute === undefined || removeAttribute === true) {
+			e.removeAttribute(`${querySelector}`);
+		}
+
+		if (!hydrationFunction) return;
+
+		e.addEventListener(eventListenerName, () => {
+			eval(hydrationFunction);
+		});
+	});
+}
+
+export function hydrateModelAttributes(appState: Reactive) {
+	const modelElms = Array.from(document.querySelectorAll('input[d-model], textarea[d-model]'));
+	if (modelElms.length === 0) return;
+	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;
+		});
+	});
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export function hydrateHeadElements(appState: Reactive) {
+	const headContent = document.head.innerHTML;
+	const headElements = Array.from(document.querySelectorAll('devto\\3A head'));
+	if (headElements.length === 0) return;
+	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;
+			document.head.appendChild(child);
+		});
+		e.remove();
+	});
+
+	document.addEventListener('router:naviagte', () => {
+		document.head.innerHTML = headContent;
+	}, { once: true });
+}
+
+export async function hydrateAnchorElements(reduceJavascript: boolean) {
+	const anchorElms = document.querySelectorAll('a');
+
+	Array.from(anchorElms).forEach((e: HTMLAnchorElement) => {
+		if (!reduceJavascript && e.href === window.location.href) {
+			e.setAttribute('link:active', '');
+			e.setAttribute('tabindex', '-1');
+		}
+		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);
+		});
+	});
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export function hydrateKeyDown(appState: Reactive, rootElement: Element) {
+	Array.from(rootElement.querySelectorAll('*')).forEach((e: Element) => {
+		const keydownElms = Array.from(e.attributes).filter((arrElm: Attr) => {
+			return arrElm.name.startsWith('d-on:keydown');
+		});
+
+		if (keydownElms.length === 0) return;
+		keydownElms.forEach((attr: Attr) => {
+			const item = attr.name;
+			let key = item.split('.')[1]?.toLowerCase();
+			if (key && key?.length > 0) {
+				key = key.charAt(0).toUpperCase() + key.slice(1).toLowerCase();
+			}
+			e.addEventListener('keydown', (keydown: unknown) => {
+				let keyName = keydown.key;
+				if (keyName === ' ') {
+					keyName = 'Space';
+				}
+				const firstLetter = keyName.split('')[0];
+				keyName = firstLetter?.toUpperCase() + keyName.slice(1).toLowerCase();
+				if (keyName === key) {
+					const itemCode = e.getAttribute(item);
+					if (!itemCode) return;
+					// we use eval here because we want to be able to access the appState object
+					eval(itemCode);
+				}
+			});
+		});
+	});
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export function hydrateBindElements(appState: Reactive, rootElement: Element) {
+	Array.from(rootElement.querySelectorAll('*')).forEach((e: Element) => {
+		const bindElms = Array.from(e.attributes).filter((arrElm: Attr) => {
+			return arrElm.name.startsWith('d-bind:') || arrElm.name.startsWith(':');
+		});
+
+		if (bindElms.length === 0) return;
+		bindElms.forEach((attr: Attr) => {
+			const item = attr.name;
+			const key = item.split(':')[1]?.toLowerCase();
+			const originalValue = '(' + attr.value + ')';
+			let currentBinding = '';
+
+			e.removeAttribute(item);
+
+			function setAttribute() {
+				if (!key) return;
+				let value = 'return "' + originalValue + '"';
+				const attribute = e.getAttribute(key);
+				if (value.includes('(') || value.includes(')') || value.includes('?') || value.includes(':')) {
+					value = eval(originalValue);
+				}
+				if (!value || !attribute) return;
+				if (attribute) {
+					const originalAttributeValue = (attribute.toString()).split(`${currentBinding}`).join('');
+					currentBinding = value;
+					value = originalAttributeValue + ' ' + value;
+				}
+				e.setAttribute(key, value);
+			}
+
+			if (originalValue.includes('appState')) {
+				originalValue.split(' ').forEach((value) => {
+					const propName = value.split('appState.contents.')[1];
+					if (!propName || !value.includes('appState')) return;
+					appState.listen(propName.replace(')', ''), () => setAttribute());
+				});
+			}
+
+			setAttribute();
+
+		});
+	});
+}

day82/src/lib/router/pageRenderer.ts

@@ -0,0 +1,350 @@
+import { compileToString } from '../templateRenderer';
+import { isSSR, isHTML, debugMode, getAppState } from '../../main';
+import { LRUCache } from '../lruCache';
+import { hydratePage } from './hydrationManager';
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+const appState = await getAppState();
+
+let documentBody: string | HTMLElement | null;
+const cache = new LRUCache(15);
+
+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) {
+		throw new Error('window.history is not supported, please update your browser');
+	}
+
+	if (!documentBody) {
+		throw new Error('Fatal Error: element with id app not found');
+	}
+
+	if (route && route === window.location.pathname) return;
+
+	if (route) {
+		history.pushState('', '', route);
+		document.dispatchEvent(new Event('router:naviagte'));
+	}
+
+	let fileName: string | Array<string> = window.location.pathname.split('/');
+	if (fileName[1] === '') {
+		fileName = '/index';
+	} else {
+		fileName = fileName.join('/').toLowerCase().trim();
+	}
+
+	let page: string = await fetchPage(fileName, 'pages');
+
+	if (!page) return;
+
+	const metaObj = { 'layout': 'default', 'reduceJavascript': false, 'suspendUntilHydrated': true, 'serverSideSPALikeRouting': true };
+
+	parseFromRegex(page, /<script>[\s\S]*?<\/script>/gi).forEach((e) => {
+		if (!e || !e.startsWith('<script>') || !e.endsWith('</script>')) return;
+
+		parseFromRegex(e, /definePageMeta\({(.*?)}\)(;){0,1}/g).forEach((metaElm) => {
+			if (!metaElm || !metaElm.startsWith('definePageMeta({')) return;
+
+			let metaObjString = metaElm.split('(')[1]?.split(')')[0];
+			if (!metaObjString) return;
+
+			metaObjString = metaObjString
+				.replaceAll(' ', '')
+				.replaceAll('{', '{\'')
+				.replaceAll(':', '\':')
+				.replaceAll(',', ',\'')
+				.replaceAll('\'', '"');
+
+			const newMetaObj = JSON.parse(metaObjString);
+			Object.keys(newMetaObj).forEach((key) => {
+				metaObj[key] = newMetaObj[key];
+			});
+		});
+	});
+
+	let layout: string;
+	try {
+		layout = await fetchPage(`/${metaObj.layout}`, 'layouts', false);
+	} catch {
+		layout = '<slot />';
+	}
+
+	if (!layout) return;
+
+	page = layout.replaceAll('<slot />', page);
+
+	const stringifiedTemplate = await compileToString(page);
+
+	if (!stringifiedTemplate) return;
+
+	if (debugMode) {
+		console.groupCollapsed('✨ Redered page ' + fileName.slice(1));
+		console.log('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
+	if (route) {
+		const childrenToRemove = document.head.querySelectorAll('*[local]');
+		childrenToRemove.forEach(child => document.head.removeChild(child));
+	}
+
+	if (metaObj.suspendUntilHydrated) {
+		// here we are hiding the body and hydrating the page "suspending"
+		document.body.style.display = 'none';
+	}
+
+	const fnStr = stringifiedTemplate.fnStr;
+	if (!fnStr || typeof fnStr !== 'string') return;
+	documentBody.innerHTML = await eval(fnStr);
+
+	if (stringifiedTemplate.styles && typeof stringifiedTemplate.styles == 'string') {
+		const cssElement = document.createElement('style');
+		cssElement.setAttribute('local', 'true');
+		cssElement.innerHTML = stringifiedTemplate.styles;
+		document.head.appendChild(cssElement);
+	}
+
+	if (stringifiedTemplate.script || stringifiedTemplate.setupScript) {
+		if (typeof stringifiedTemplate.setupScript !== 'string' || stringifiedTemplate.script !== 'string') return;
+		const scriptElement = document.createElement('script');
+		const script = (stringifiedTemplate.script) ? stringifiedTemplate.script : '';
+		const setupScript = (stringifiedTemplate.setupScript) ? stringifiedTemplate.setupScript : '';
+		scriptElement.async = true;
+		scriptElement.type = 'module';
+		scriptElement.setAttribute('local', 'true');
+		scriptElement.innerHTML = setupScript + script;
+		document.head.appendChild(scriptElement);
+	}
+
+	// here we hydrate/re-hydrate the page content
+	await hydratePage(metaObj.reduceJavascript);
+
+	if (metaObj.suspendUntilHydrated) {
+		// here we show the page as its been hydtated
+		document.body.style.display = 'block';
+	}
+
+	// tell the document that the client has fully rendered and hydrated the page
+	document.dispatchEvent(new Event('router:client:load'));
+}
+
+async function fetchPage(url: string, dir: string, return404?: boolean): Promise<string> {
+	if (import.meta.env.SSR) throw new Error('page shouldnt be loaded on server side');
+	if (isSSR()) throw new Error('page shouldnt be loaded on server side');
+	if (return404 === undefined) return404 = true;
+	let path: string;
+	(import.meta.env.PROD) ? path = '/' : path = '/src/';
+
+	const cachedFile = cache.get(dir + url);
+
+	async function render() {
+		let file: string | undefined;
+		if (cachedFile && typeof cachedFile == 'string') {
+			if (debugMode) {
+				console.groupCollapsed(`🗃️ Loaded page ${dir}${url} from cache`);
+				console.log(cachedFile);
+				console.groupEnd();
+			}
+
+			file = cachedFile;
+			return file;
+		}
+
+		file = await fetch(path + `${dir}${url}.devto`).then((response) => {
+			if (response.ok) {
+				return response.text();
+			}
+			throw new Error('File not found');
+		})
+			.then((data) => {
+				if (!data) return undefined;
+				cache.set(dir + url, data);
+				console.groupCollapsed(`🌐 Fetched page ${dir}${url}`);
+				console.log(data);
+				console.groupEnd();
+				return data;
+			})
+			.catch(async () => {
+				if (!return404) {
+					throw new Error('object not found and not returning a 404 page');
+				}
+				return (await fetch(path + 'layouts/404.devto').then((response) => {
+					if (response.ok) {
+						return response.text();
+					}
+					throw new Error('Error fetching 404 page');
+				})
+					.then((data) => {
+						if (!data) return undefined;
+						return data;
+					}));
+			});
+		return file;
+	}
+
+	let file = await render();
+
+	if (!file) return '';
+
+	let template = file;
+	const elements: Array<string> = file.split('<').filter(e => e !== undefined);
+	const renderedComponents: Array<string> = [];
+
+	const promises = elements.map(async (component: string) => {
+		const componentName = component.split(' ')[0]?.split('>')[0];
+		if (!componentName) return;
+		component = componentName;
+		if (component?.includes('/') || component?.includes('{') || !component) return;
+
+		if (!component) return;
+		if (isHTML(component)) return;
+
+		const slottedComponent = template.split('<' + component + '>');
+		let isSlotted = false;
+		let slotData: string | undefined;
+		if (slottedComponent.length > 1) {
+			isSlotted = true;
+			slottedComponent.forEach((splitComponent, i, arr) => {
+				if (splitComponent.includes('</' + component + '>')) {
+					slotData = arr[i]?.split('</' + component + '>')[0];
+				}
+			});
+			template = template.split('<' + component + '>' + slotData + '</' + component + '>').join('<!--' + component + '-->');
+		}
+
+		if (renderedComponents.indexOf(component) == -1) {
+			renderedComponents.push(component);
+			file = await renderComponent(component, path);
+			if (isSlotted && slotData) {
+				file = file.replaceAll('<slot />', slotData);
+			}
+
+			let componentName = '<' + component;
+			(!isSlotted) ? componentName += ' />' : componentName = '<!--' + component + '-->';
+
+			template = template.replaceAll(componentName, file);
+		}
+	});
+
+	await Promise.all(promises);
+
+
+	return template;
+}
+
+async function renderComponent(component: string, path: string) {
+
+	const componentName = component;
+
+	async function render(): Promise<string> {
+		const cachedComponent = cache.get('components/' + component);
+		if (cachedComponent && typeof cachedComponent == 'string') {
+			if (debugMode) {
+				console.groupCollapsed(`🗃️ Loaded component ${component} from cache`);
+				console.log(cachedComponent);
+				console.groupEnd();
+			}
+
+			return cachedComponent;
+		}
+		const data = await fetch(path + `components/${component}.devto`)
+			.then(response => response.ok ? response.text() : '');
+
+		cache.set('components/' + component, data);
+
+		if (debugMode) {
+			console.groupCollapsed(`🌐 Fetched component ${component}`);
+			console.log('Template:', data);
+			console.groupEnd();
+		}
+
+		return data;
+	}
+
+	component = await render();
+
+	const elements = component.split('<').filter(e => !!e);
+
+	const promises = elements.map(async (componentInComponent: string) => {
+		const tagName = componentInComponent.split(' ')[0];
+		if (!tagName) return;
+		componentInComponent = tagName;
+
+		if (componentInComponent?.includes('/') || componentInComponent?.includes('{')) return;
+
+		const [name] = componentInComponent.split('>');
+
+		if (!name || isHTML(name)) return;
+
+		if (name === componentName) {
+			console.error(`Cannot include a component in itself, ignoring component (rendering ${name})`);
+			return;
+		}
+
+		const slottedComponent = component.split(`<${name}>`);
+		let isSlotted = false;
+		let slotData: string | undefined;
+
+		if (slottedComponent.length > 1) {
+			isSlotted = true;
+			const splitComponent = slottedComponent.find(e => e.includes(`</${name}>`));
+			if (splitComponent) {
+				slotData = splitComponent.split(`</${name}>`)[0];
+			}
+			component = component.split(`<${name}>${slotData}</${name}>`).join(`<!--${name}-->`);
+		}
+
+		let componentReplacement = await renderComponent(name, path);
+
+		if (isSlotted && slotData) {
+			componentReplacement = componentReplacement.replaceAll('<slot />', slotData);
+		}
+
+		const replacementComponentName = isSlotted ? `<!--${name}-->` : `<${name} />`;
+		component = component.replaceAll(replacementComponentName, componentReplacement);
+	});
+
+	await Promise.all(promises);
+
+	return component;
+}
+
+function parseFromRegex(template: string, regex: RegExp) {
+	const matches = template.match(regex);
+	if (!matches) {
+		return [template];
+	}
+
+	const arr = [];
+	let startIndex = 0;
+	for (const match of matches) {
+		const matchIndex = template.indexOf(match, startIndex);
+		if (matchIndex > 0) {
+			arr.push(template.substring(startIndex, matchIndex));
+		}
+		arr.push(match);
+		startIndex = matchIndex + match.length;
+	}
+
+	if (startIndex < template.length) {
+		arr.push(template.substring(startIndex));
+	}
+
+	return arr;
+}

day82/src/lib/templateRenderer.ts

@@ -0,0 +1,241 @@
+import { debugMode } from '../main';
+import { LRUCache } from './lruCache';
+const templateCache = new LRUCache(15);
+
+function stringToHash(string: string) {
+	let hash = 0;
+
+	if (string.length == 0) return hash;
+
+	for (let i = 0; i < string.length; i++) {
+		const char = string.charCodeAt(i);
+		hash = ((hash << 5) - hash) + char;
+		hash = hash & hash;
+	}
+
+	return hash;
+}
+
+export const compileToString = async (template: string) => {
+	const templateHash = stringToHash(template).toString();
+
+	const cachedTemplate: string | Record<string, string | Record<string, string | boolean>> | undefined = templateCache.get(templateHash);
+	if (cachedTemplate && typeof cachedTemplate == 'object') {
+		const { fnStr, styles, script, setupScript, head, layouts } = cachedTemplate;
+
+		if (debugMode) {
+			console.groupCollapsed('🗃️ loaded template from cache');
+			console.info('Template String: ' + fnStr);
+			console.groupEnd();
+		}
+
+		return { fnStr, styles, script, setupScript, head, layouts };
+	}
+
+	let styles = '';
+
+	const style = parseFromRegex(template, /<style[\s\S]*?>[\s\S]*?<\/style>/gi);
+
+	if (style) {
+		style.forEach(async (styleData) => {
+			if (!styleData) return;
+			if (!styleData.startsWith('<style') || !styleData.endsWith('</style>')) return;
+
+			styles += styleData.split('<style')[1]?.split('>')[1]?.split('</style')[0];
+
+			template = template.split('<style>' + styles + '</style>').join('');
+		});
+	}
+
+	let scriptInjection = '';
+	let script = '';
+	const meta = { layout: 'default', reduceJavascript: false, suspendUntilHydrated: true };
+
+	const scriptContent = parseFromRegex(template, /<script>[\s\S]*?<\/script>/gi);
+
+	if (scriptContent) {
+		scriptContent.forEach(async (scriptData) => {
+			if (!scriptData) return;
+			if (!scriptData.startsWith('<script>') || !scriptData.endsWith('</script>')) return;
+			// if (scriptData.includes('appState.contents.')) {
+			// 	scriptInjection += 'const { getAppState, initAppState } = await import("/src/main.ts");\nasync initAppState();\nconst appState = getAppState();';
+			// }
+			const metaElms = parseFromRegex(scriptData, /definePageMeta\({(.*?)}\)(;){0,1}/g);
+			metaElms.forEach((metaElm: string | undefined) => {
+				if (!metaElm || !scriptData) return;
+				if (!metaElm.startsWith('definePageMeta({')) return;
+
+				scriptData = scriptData.split(metaElm).join('');
+				template = template.split(metaElm).join('');
+				let metaObjString = metaElm.split('(')[1]?.split(')')[0];
+				if (!metaObjString) return;
+
+				metaObjString = metaObjString.replaceAll(' ', '').replaceAll('{', '{\'').replaceAll(':', '\':').replaceAll(',', ',\'').replaceAll('\'', '"');
+				const newMeta = JSON.parse(metaObjString);
+				Object.keys(newMeta).forEach((key) => {
+					newMeta[key] = meta[key];
+				});
+			});
+
+			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];
+			const minishScript = script.replace(/[\n\r]/g, '').trim();
+			if (!minishScript) return;
+			template = template.split('<script>' + script + '</script>').join('');
+			scriptInjection += 'document.addEventListener(\'router:client:load\', () => {\n' + minishScript + '\n}, { once: true });';
+
+			// remove the script from the body
+			template = template.split('<script>' + script + '</script>').join('');
+			script = '';
+		});
+	}
+
+	const scriptContentSetup = parseFromRegex(template, /<script setup[\s\S]*?>[\s\S]*?<\/script>/gi);
+	let setupScriptInjection = '';
+	let setupScript = '';
+	if (scriptContentSetup) {
+		scriptContentSetup.forEach(async (scriptData) => {
+			if (!scriptData) return;
+			if (!scriptData.startsWith('<script setup') || !scriptData.endsWith('</script>')) return;
+			// if (scriptData.includes('appState.contents.') && !scriptInjection.includes('initAppState')) {
+			// 	scriptInjection = 'const { getAppState, initAppState } = await import("/src/main.ts"); //aaahahahahahahah' + scriptInjection;
+			// }
+
+			if (scriptData.includes('getCookie')) {
+				setupScriptInjection += 'const { getCookie } = await import("/src/lib/cookieManager.ts");';
+			}
+
+			if (scriptData.includes('setCookie')) {
+				setupScriptInjection += 'const { setCookie } = await import("/src/lib/cookieManager.ts");';
+			}
+
+			if (scriptData.includes('isSSR()')) {
+				setupScriptInjection += 'const { isSSR } = await import("/src/main.ts");';
+			}
+
+			setupScript += scriptData.split('<script setup>')[1]?.split('</script>')[0];
+			setupScriptInjection = scriptData.split('<script setup>')[1]?.split('</script>')[0] + setupScriptInjection;
+
+			// 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.forEach(async (headData) => {
+				if (!headData) return;
+				if (!headData.startsWith('<devto:head>') || !headData.endsWith('</devto:head>')) return;
+
+				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() {
+						return e.endsWith('>');
+					}
+					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: (string | undefined)[] = parseFromRegex(template, /{(.*?)}/g);
+	let fnStr = '``';
+
+	if (!ast) return;
+
+	ast.forEach(async (t: string | undefined) => {
+		if (!t) return;
+		// checking to see if it is an template string
+		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 (debugMode) {
+		console.groupCollapsed('⚒️ Compiled template to String');
+		console.info('Template String: ' + fnStr);
+		console.groupEnd();
+	}
+
+
+	templateCache.set(templateHash, { fnStr, styles, script: scriptInjection, setupScript: setupScriptInjection, head: headInjection, layouts: meta });
+	return { fnStr, styles, script: scriptInjection, setupScript: setupScriptInjection, head: headInjection, layouts: meta };
+};
+
+function parseFromRegex(template: string, regex: RegExp) {
+	const matches = template.match(regex);
+	if (!matches) {
+		return [template];
+	}
+
+	const arr = [];
+	let startIndex = 0;
+	for (const match of matches) {
+		const matchIndex = template.indexOf(match, startIndex);
+		if (matchIndex > 0) {
+			arr.push(template.substring(startIndex, matchIndex));
+		}
+		arr.push(match);
+		startIndex = matchIndex + match.length;
+	}
+
+	if (startIndex < template.length) {
+		arr.push(template.substring(startIndex));
+	}
+
+	return arr;
+}