Function isSafeSlug

apps/desktop/src/main/custom-themes.ts:34–36

A bare slug/name that resolves to a direct child of the themes dir.

(slug: unknown)

/** A bare slug/name that resolves to a direct child of the themes dir. */
function isSafeSlug(slug: unknown): slug is string {
  return typeof slug === 'string' && !!slug && !/[/\\]/.test(slug) && !slug.includes('..')
}

// --- Seeded example -------------------------------------------------------
// Soft Paper, a port of Nick Milo's Obsidian theme. Generated from palettes so