Function extractLargeUserTextBuffer

src/parser.ts:706–738

(source: Buffer, contentBounds: BufferJsonValueBounds | null)

}

function extractLargeUserTextBuffer(source: Buffer, contentBounds: BufferJsonValueBounds | null): string | undefined {
  if (!contentBounds) return undefined
  if (contentBounds.kind === 'string') return readJsonStringBuffer(source, contentBounds, USER_TEXT_CAP)
  if (contentBounds.kind !== 'array') return undefined

  let text = ''
  let i = contentBounds.start + 1
  while (i < contentBounds.end - 1 && text.length < USER_TEXT_CAP) {
    while (i < contentBounds.end && isJsonWhitespaceByte(source[i])) i++
    if (source[i] === 0x2c) {
      i++
      continue
    }
    if (source[i] !== 0x7b) {
      i++
      continue
    }
    const objectEnd = findJsonContainerEndBuffer(source, i, 0x7b, 0x7d, contentBounds.end)
    if (objectEnd === -1) break
    const objectBounds = { start: i, end: objectEnd + 1, kind: 'object' as const }
    const type = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, objectBounds.start, objectBounds.end, 'type'))
    if (type === 'text' || type === 'input_text') {
      const part = readJsonStringBuffer(
        source,
        findObjectFieldValueBuffer(source, objectBounds.start, objectBounds.end, 'text'),
        USER_TEXT_CAP - text.length,
      )
      if (part) text += (text ? ' ' : '') + part
    }
    i = objectEnd + 1
  }
  return text || undefined
}

function extractLargeAddedNamesBuffer(source: Buffer, attachmentBounds: BufferJsonValueBounds | null): string[] {
  if (!attachmentBounds || attachmentBounds.kind !== 'object') return []