Experimental tutorial preset

src/lib/fetchMarkdown.ts

@@ -140,6 +140,7 @@ export interface MinimizeOptions {
 	removeNoteBlocks?: boolean
 	removeDetailsBlocks?: boolean
 	removeHtmlComments?: boolean
+	removeDiffMarkers?: boolean // New option for removing diff markers
 }
 
 const defaultOptions: MinimizeOptions = {
@@ -149,7 +150,8 @@ const defaultOptions: MinimizeOptions = {
 	removePrettierIgnore: true,
 	removeNoteBlocks: true,
 	removeDetailsBlocks: true,
-	removeHtmlComments: false
+	removeHtmlComments: false,
+	removeDiffMarkers: true // Enable by default
 }
 
 function removeQuoteBlocks(content: string, blockType: string): string {
@@ -175,12 +177,46 @@ function removeQuoteBlocks(content: string, blockType: string): string {
 		.join('\n')
 }
 
+function removeDiffMarkersFromContent(content: string): string {
+    let inCodeBlock = false
+    const lines = content.split('\n')
+    const processedLines = lines.map((line) => {
+        // Track if we're entering or leaving a code block
+        if (line.trim().startsWith('```')) {
+            inCodeBlock = !inCodeBlock
+            return line
+        }
+
+        // Only process lines within code blocks
+        if (inCodeBlock) {
+            // Handle lines that start with --- or +++ with possible whitespace before
+            line = line.replace(/^[\s]*(\+{3}|\-{3})/g, '')
+            // Handle lines that end with --- or +++ with possible whitespace after
+            line = line.replace(/(\+{3}|\-{3})[\s]*$/g, '')
+
+            // Handle single + or - markers at start of lines with possible whitespace
+            line = line.replace(/^[\s]*[\+\-][\s]/g, '')
+
+            // Handle multi-line diff blocks where --- or +++ might be in the middle of the line
+            line = line.replace(/[\s]*(\+{3}|\-{3})[\s]*/g, '')
+        }
+
+        return line
+    })
+
+    return processedLines.join('\n')
+}
+
 function minimizeContent(content: string, options?: Partial<MinimizeOptions>): string {
 	// Merge with defaults, but only for properties that are defined
 	const settings: MinimizeOptions = options ? { ...defaultOptions, ...options } : defaultOptions
 
 	let minimized = content
 
+	if (settings.removeDiffMarkers) {
+		minimized = removeDiffMarkersFromContent(minimized)
+	}
+
 	if (settings.removeLegacy) {
 		minimized = removeQuoteBlocks(minimized, 'LEGACY')
 	}
@@ -223,4 +259,4 @@ function minimizeContent(content: string, options?: Partial<MinimizeOptions>): s
 	}
 
 	return minimized
-}
+}

src/lib/presets.ts

@@ -50,6 +50,22 @@ export const presets: Record<string, PresetConfig> = {
 			removeHtmlComments: true
 		}
 	},
+	'svelte-small-experimental': {
+		title: 'Svelte + SvelteKit (Small Experimental)',
+		owner: 'sveltejs',
+		repo: 'svelte.dev',
+		glob: ['**/apps/svelte.dev/content/tutorial/**/*.md'],
+		ignore: [
+		],
+		prompt: 'Always use Svelte 5 runes. Runes do not need to be imported, they are globals.',
+		minimize: {
+			//removeLegacy: true,
+			//removePlaygroundLinks: true,
+			//removeNoteBlocks: true,
+			//removeDetailsBlocks: true,
+			//removeHtmlComments: true
+		}
+	},
 	sveltekit: {
 		title: 'SvelteKit',
 		owner: 'sveltejs',