Function extractExecutableBlocks

src/cli/up.ts:129–171

(section: Section)

}

function extractExecutableBlocks(section: Section): ScriptBlock[] {
  const lines = section.content.split(/\r?\n/)
  const blocks: ScriptBlock[] = []
  let activeFence: string | null = null
  let activeLanguage = ''
  let activeStartLine = 0
  let buffer: string[] = []

  for (let index = 0; index < lines.length; index += 1) {
    const line = lines[index] ?? ''
    const fenceMatch = line.match(/^(```|~~~)\s*([^\s`]*)?.*$/)

    if (!activeFence) {
      if (!fenceMatch) {
        continue
      }
      activeFence = fenceMatch[1] ?? '```'
      activeLanguage = (fenceMatch[2] ?? '').trim()
      activeStartLine = section.startLine + index + 1
      buffer = []
      continue
    }

    if (line.trim() === activeFence) {
      const code = buffer.join('\n').trim()
      if (code && isExecutableBlockLanguage(activeLanguage)) {
        blocks.push({
          code,
          language: activeLanguage,
          startLine: activeStartLine,
        })
      }
      activeFence = null
      activeLanguage = ''
      buffer = []
      continue
    }

    buffer.push(line)
  }

  return blocks
}

function resolveShellForLanguage(language: string): string {
  const normalized = language.trim().toLowerCase()