Switch to vite and preact

vite.config.js

@@ -0,0 +1,44 @@
+import { defineConfig } from 'vite'
+import preact from '@preact/preset-vite'
+import html from '@rollup/plugin-html'
+import config from './src/config.json'
+import { env } from 'process'
+
+export default defineConfig({
+	build: {
+		sourcemap: true,
+		rollupOptions: {
+			plugins: [
+				html({
+					fileName: `404.html`,
+					title: '404',
+					template: template,
+				}),
+				...config.models.map(m => html({
+					fileName: `${m.id}/index.html`,
+					title: getTitle(m),
+					template: template,
+				})),
+			],
+		},
+	},
+	json: {
+		stringify: true,
+	},
+	define: {
+		__MCDATA_MASTER_HASH__: env ? env.mcdata_hash : '',
+		__VANILLA_DATAPACK_SUMMARY_HASH__: env ? env.vanilla_datapack_summary_hash : '',
+	},
+	plugins: [preact()],
+})
+
+function getTitle(m) {
+	const minVersion = Math.max(0, config.versions.findIndex(v => m.minVersion === v.id))
+	const versions = config.versions.slice(minVersion).map(v => v.id).join(', ')
+	return `${m.name} Generator${m.category === true ? 's' : ''} Minecraft ${versions}`
+}
+
+function template({ files, title }) {
+	const source = files.html.find(f => f.fileName === 'index.html').source
+	return source.replace(/<title>.*<\/title>/, `<title>${title}</title>`)
+}