Initial OSS scaffold from Songs2VID (pre-strip)

2026-08-03 06:15:05 +02:00
commit 506d56fa92
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+/** Shared font catalog  safe for client and server bundles (no Node APIs). */
+
+/** Max custom font upload size (10 MB). */
+export const FONT_UPLOAD_MAX_BYTES = 10 * 1024 * 1024;
+
+export const CURATED_FONTS = [
+  {
+    key: "inter",
+    label: "Inter",
+    cssFamily: "Inter",
+    googleCss: "Inter:wght@400;600",
+    file: "Inter-Regular.ttf",
+  },
+  {
+    key: "montserrat",
+    label: "Montserrat",
+    cssFamily: "Montserrat",
+    googleCss: "Montserrat:wght@400;600",
+    file: "Montserrat-Regular.ttf",
+  },
+  {
+    key: "roboto",
+    label: "Roboto",
+    cssFamily: "Roboto",
+    googleCss: "Roboto:wght@400;500",
+    file: "Roboto-Regular.ttf",
+  },
+  {
+    key: "oswald",
+    label: "Oswald",
+    cssFamily: "Oswald",
+    googleCss: "Oswald:wght@400;500",
+    file: "Oswald-Regular.ttf",
+  },
+  {
+    key: "playfair",
+    label: "Playfair Display",
+    cssFamily: "Playfair Display",
+    googleCss: "Playfair+Display:wght@400;600",
+    file: "PlayfairDisplay-Regular.ttf",
+  },
+] as const;
+
+export type CuratedFontKey = (typeof CURATED_FONTS)[number]["key"];
+export type WatermarkFontKey = CuratedFontKey | "custom" | "system";
+
+const CURATED_KEYS = new Set<string>(CURATED_FONTS.map((f) => f.key));
+
+export function isCuratedFontKey(v: unknown): v is CuratedFontKey {
+  return typeof v === "string" && CURATED_KEYS.has(v);
+}
+
+export function isWatermarkFontKey(v: unknown): v is WatermarkFontKey {
+  return v === "custom" || v === "system" || isCuratedFontKey(v);
+}
+
+/**
+ * Escape an absolute font path for use inside an FFmpeg filtergraph `fontfile=` value.
+ * Paths are never passed through a shell; this only escapes filter special chars.
+ */
+export function sanitizeFontfileForFilter(absPath: string): string {
+  return absPath
+    .replace(/\\/g, "/")
+    .replace(/:/g, "\\:")
+    .replace(/'/g, "\\'")
+    .replace(/\[/g, "\\[")
+    .replace(/\]/g, "\\]");
+}
+
+export function googleFontsStylesheetUrl(keys: CuratedFontKey[]): string {
+  const families = CURATED_FONTS.filter((f) => keys.includes(f.key))
+    .map((f) => `family=${f.googleCss}`)
+    .join("&");
+  return `https://fonts.googleapis.com/css2?${families}&display=swap`;
+}