Function findObjectFieldValueBuffer

src/parser.ts:551–576

(source: Buffer, objectStart: number, objectEnd: number, field: string)

}

function findObjectFieldValueBuffer(source: Buffer, objectStart: number, objectEnd: number, field: string): BufferJsonValueBounds | null {
  if (source[objectStart] !== 0x7b) return null
  let i = objectStart + 1
  while (i < objectEnd - 1) {
    while (i < objectEnd && isJsonWhitespaceByte(source[i])) i++
    if (source[i] === 0x2c) {
      i++
      continue
    }
    if (source[i] !== 0x22) {
      i++
      continue
    }
    const keyEnd = findJsonStringEndBuffer(source, i, objectEnd)
    if (keyEnd === -1) return null
    const keyStart = i + 1
    i = keyEnd + 1
    while (i < objectEnd && isJsonWhitespaceByte(source[i])) i++
    if (source[i] !== 0x3a) continue
    const value = findJsonValueBoundsBuffer(source, i + 1, objectEnd)
    if (!value) return null
    if (bufferKeyEquals(source, keyStart, keyEnd, field)) return value
    i = value.end
  }
  return null
}

function appendBufferJsonSegment(source: Buffer, start: number, end: number, current: string, cap: number): string {
  if (start >= end || current.length >= cap) return current