feat: Add check for content

The `source/screens` directory is checked for any present file. This changes the permalink path for demo/index.liquid.

- Add fs module to eleventy config
- Add function to check for files
- Add demoPath to global data
- Change permalink for demo index to use demoPath

.eleventy.js

@@ -1,8 +1,19 @@
 /* jshint strict: false */
 
+import fs from 'fs/promises';
 import {HtmlBasePlugin} from "@11ty/eleventy";
 import pluginWebc from "@11ty/eleventy-plugin-webc";
 
+async function hasFiles(dirPath) {
+	try {
+		const entries = await fs.readdir(dirPath, {withFileTypes: true});
+		return entries.some(entry => entry.isFile());
+	} catch (err) {
+		console.error('Error reading directory:', err);
+		return false;
+	}
+}
+
 // noinspection JSUnusedGlobalSymbols
 export default async function (eleventyConfig) {
 	eleventyConfig.addPlugin(HtmlBasePlugin);
@@ -19,6 +30,9 @@ export default async function (eleventyConfig) {
 	eleventyConfig.addGlobalData('permalink', () => {
 		return (data) => `${data.page.filePathStem}.${data.page.outputFileExtension}`;
 	});
+
+	const demoPath = await hasFiles('source/screens') ? '/demo/' : '/';
+
 	eleventyConfig.addGlobalData('hippie', {
 		brand: 'hippie',
 		titlePrefix: '',
@@ -30,6 +44,7 @@ export default async function (eleventyConfig) {
 			mail: 'name@domain.tld',
 			domain: 'https://domain.tld'
 		},
+		demoPath: demoPath,
 		debugMode: true,
 		legacyMode: false
 	});
@@ -85,7 +100,6 @@ export default async function (eleventyConfig) {
     </g>
   </g>
 </svg>
-
 `;
 		let output = '';
 
@@ -124,6 +138,5 @@ export default async function (eleventyConfig) {
 			data: '../data'
 		},
 		templateFormats: ['html', 'liquid', 'md']
-		// pathPrefix: './demo/'
 	};
 }

source/screens/demo/index.liquid

@@ -1,5 +1,5 @@
 ---
-permalink: "/"
+permalink: "{{ hippie.demoPath }}"
 title: Index
 ---
 {% assign pageId = page.fileSlug -%}