refactor: rename figlet app to ascii and update all references

lib/ascii/fontLoader.ts

@@ -0,0 +1,61 @@
+import type { ASCIIFont } from '@/types/ascii';
+
+// Cache for loaded fonts
+const fontCache = new Map<string, string>();
+
+/**
+ * Get list of all available ascii fonts
+ */
+export async function getFontList(): Promise<ASCIIFont[]> {
+  try {
+    const response = await fetch('/api/fonts');
+    if (!response.ok) {
+      throw new Error('Failed to fetch font list');
+    }
+    const fonts: ASCIIFont[] = await response.json();
+    return fonts;
+  } catch (error) {
+    console.error('Error fetching font list:', error);
+    return [];
+  }
+}
+
+/**
+ * Load a specific font file content
+ */
+export async function loadFont(fontName: string): Promise<string | null> {
+  // Check cache first
+  if (fontCache.has(fontName)) {
+    return fontCache.get(fontName)!;
+  }
+
+  try {
+    const response = await fetch(`/fonts/ascii-fonts/${fontName}.flf`);
+    if (!response.ok) {
+      throw new Error(`Failed to load font: ${fontName}`);
+    }
+    const fontData = await response.text();
+
+    // Cache the font
+    fontCache.set(fontName, fontData);
+
+    return fontData;
+  } catch (error) {
+    console.error(`Error loading font ${fontName}:`, error);
+    return null;
+  }
+}
+
+/**
+ * Preload a font into cache
+ */
+export async function preloadFont(fontName: string): Promise<void> {
+  await loadFont(fontName);
+}
+
+/**
+ * Clear font cache
+ */
+export function clearFontCache(): void {
+  fontCache.clear();
+}