Function resolveInheritance

apps/sim/lib/copilot/vfs/document-style.ts:194–212

(id: string, visited = new Set<string>())

  }

  function resolveInheritance(id: string, visited = new Set<string>()): StyleRaw | undefined {
    if (visited.has(id)) return undefined
    visited.add(id)
    const s = styleMap.get(id)
    if (!s) return undefined
    if (!s.basedOn) return s
    const parent = resolveInheritance(s.basedOn, visited)
    if (!parent) return s
    // Own properties override parent; undefined falls through to parent
    return {
      ...parent,
      ...s,
      fontSize: s.fontSize ?? parent.fontSize,
      bold: s.bold ?? parent.bold,
      color: s.color ?? parent.color,
      font: s.font ?? parent.font,
      themeFont: s.themeFont ?? parent.themeFont,
    }
  }

  // Target paragraph styles (character styles excluded — generation works at paragraph level)
  const targetIds: string[] = ['Normal', 'BodyText', 'Body Text', 'Title', 'Subtitle']