Function toKeyPath

packages/tailwindcss/src/utils/to-key-path.ts:18–54

(path: string)

 * @param {string} path
 **/
export function toKeyPath(path: string) {
  let keypath: string[] = []

  for (let part of segment(path, '.')) {
    if (!part.includes('[')) {
      keypath.push(part)
      continue
    }

    let currentIndex = 0

    while (true) {
      let bracketL = part.indexOf('[', currentIndex)
      let bracketR = part.indexOf(']', bracketL)

      if (bracketL === -1 || bracketR === -1) {
        break
      }

      // Add the part before the bracket as a key
      if (bracketL > currentIndex) {
        keypath.push(part.slice(currentIndex, bracketL))
      }

      // Add the part inside the bracket as a key
      keypath.push(part.slice(bracketL + 1, bracketR))
      currentIndex = bracketR + 1
    }

    // Add the part after the last bracket as a key
    if (currentIndex <= part.length - 1) {
      keypath.push(part.slice(currentIndex))
    }
  }

  return keypath
}