add day 47

day47/src/lib/router/SSR/ssrHydrationGenerator.ts

@@ -0,0 +1,88 @@
+import { ReactifyTemplate, hydrateIfAttributes, hydrateModelAttributes, hydrateKeyDown } from '../hydrationManager';
+
+function SSRHydrateElement(querySelector: string, eventListenerName: string, removeAttribute?: boolean) {
+	let script = '';
+	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}');`;
+	}
+	script += `const ${querySelector.split(':')[1]}Elms = eval("document.querySelectorAll('${querySelectorAll}')");
+	${querySelector.split(':')[1]}Elms.forEach((e) => {
+		const ${querySelector.split(':')[1]}HydartionFunction = e.getAttribute('${querySelector}');
+		${removeAttributeString}
+		if (!${querySelector.split(':')[1]}HydartionFunction) return;
+		e.addEventListener('${eventListenerName}', () => {
+			eval(${querySelector.split(':')[1]}HydartionFunction);
+		});
+	});`;
+	return script;
+}
+
+export async function renderSSRHydrationCode(template: string, reduceJavascript = false) {
+	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-on:click')) {
+		script += SSRHydrateElement('*[d-on:click]', 'click');
+	}
+
+	if (template.includes('d-if')) {
+		script += hydrateIfAttributes.toString() + 'hydrateIfAttributes();';
+	}
+
+	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();\nconst appState = getAppState();';
+		script += hydrateModelAttributes.toString() + 'hydrateModelAttributes(appState);';
+	}
+
+	// check if there are links to hydrate
+	if (template.includes('<a') && !reduceJavascript) {
+		script += `
+		const anchorElms = document.querySelectorAll('a');
+		anchorElms.forEach((e) => {
+			if (e.href === window.location.href) {
+				e.setAttribute('link:active', '');
+				e.setAttribute('tabindex', '-1');
+			}
+		});`;
+		if (template.includes('client:prefetch')) {
+			script += `
+		const linkPrefetcher = await import('/src/lib/router/SSR/linkPrefetcher.ts');
+		linkPrefetcher.default(anchorElms);`;
+		}
+	}
+
+	if (template.includes('d-on:keydown.')) {
+		script += hydrateKeyDown.toString() + 'hydrateKeyDown();';
+	}
+
+	if (template.includes('d-on:pointerEnter')) {
+		script += SSRHydrateElement('*[d-on:pointerEnter]', 'pointerenter');
+	}
+
+	if (template.includes('d-on:pointerExit')) {
+		script += SSRHydrateElement('*[d-on:pointerExit]', 'pointerleave');
+	}
+
+	return script;
+}