getCurrentChapter() — supabase Function Reference

Architecture documentation for the getCurrentChapter() function in get-current-chapter.ts from the supabase codebase.

Function typescript ContentManagement MediaManagement calls 1 called by 1

Entity Profile

ContentManagement→ MediaManagement→ getCurrentChapter() — supabase Function Reference

Dependency Diagram

graph TD
  5e15b528_e99b_9fad_c426_e91684a3fcbf["getCurrentChapter()"]
  6925281d_d060_1098_fe37_526e0c6321ea["DocPage()"]
  6925281d_d060_1098_fe37_526e0c6321ea -->|calls| 5e15b528_e99b_9fad_c426_e91684a3fcbf
  d6535fbd_6a76_7688_ffe1_473fd62b482c["normalizeSlug()"]
  5e15b528_e99b_9fad_c426_e91684a3fcbf -->|calls| d6535fbd_6a76_7688_ffe1_473fd62b482c
  style 5e15b528_e99b_9fad_c426_e91684a3fcbf fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

apps/learn/lib/get-current-chapter.ts lines 7–36

export function getCurrentChapter(
  slug: string
): { chapterNumber?: number; completionMessage?: string } | null {
  const normalizedSlug = normalizeSlug(slug)
  const doc = allDocs.find((doc) => normalizeSlug(doc.slugAsParams) === normalizedSlug)

  if (!doc) {
    return null
  }

  // Get chapterNumber from frontmatter first, then fallback to parsing from title
  let chapterNumber: number | undefined = (doc as any)?.chapterNumber
  if (!chapterNumber) {
    // Try to extract chapter number from title (e.g., "2: CSS Styling" -> 2)
    const chapterMatch = doc.title.match(/^(\d+):/)
    chapterNumber = chapterMatch ? parseInt(chapterMatch[1], 10) : undefined
  }

  if (!chapterNumber) {
    return null
  }

  // Use description as completion message, or generate a default one
  const completionMessage = doc.description || undefined

  return {
    chapterNumber,
    completionMessage,
  }
}