Function getTopLevelRawJsonStringField

src/parser.ts:823–848

(head: string, field: string)

}

function getTopLevelRawJsonStringField(head: string, field: string): string | null {
  let i = 0
  while (i < head.length && /\s/.test(head[i]!)) i++
  if (head.charCodeAt(i) !== 0x7b) return null
  i++
  while (i < head.length) {
    while (i < head.length && /\s/.test(head[i]!)) i++
    if (head.charCodeAt(i) === 0x2c) {
      i++
      continue
    }
    if (head.charCodeAt(i) === 0x7d) return null
    if (head.charCodeAt(i) !== 0x22) return null
    const keyEnd = findJsonStringEnd(head, i)
    if (keyEnd === -1) return null
    const key = head.slice(i + 1, keyEnd)
    i = keyEnd + 1
    while (i < head.length && /\s/.test(head[i]!)) i++
    if (head.charCodeAt(i) !== 0x3a) return null
    const value = findJsonValueBounds(head, i + 1)
    if (!value) return null
    if (key === field) return readJsonString(head, value) ?? null
    i = value.end
  }
  return null
}

export function shouldSkipLine(line: string, threshold: string): boolean {
  const head = line.length > RAW_HEAD_BYTES ? line.slice(0, RAW_HEAD_BYTES) : line