Function updateNestedDataByPath

packages/query-devtools/src/utils.tsx:177–242

(
  oldData: unknown,
  updatePath: Array<string>,
  value: unknown,
)

 * @param {unknown} value New value
 */
export const updateNestedDataByPath = (
  oldData: unknown,
  updatePath: Array<string>,
  value: unknown,
): any => {
  if (updatePath.length === 0) {
    return value
  }

  if (oldData instanceof Map) {
    const newData = new Map(oldData)

    if (updatePath.length === 1) {
      newData.set(updatePath[0], value)
      return newData
    }

    const [head, ...tail] = updatePath
    newData.set(head, updateNestedDataByPath(newData.get(head), tail, value))
    return newData
  }

  if (oldData instanceof Set) {
    const setAsArray = updateNestedDataByPath(
      Array.from(oldData),
      updatePath,
      value,
    )

    return new Set(setAsArray)
  }

  if (Array.isArray(oldData)) {
    const newData = [...oldData]

    if (updatePath.length === 1) {
      // @ts-expect-error
      newData[updatePath[0]] = value
      return newData
    }

    const [head, ...tail] = updatePath
    // @ts-expect-error
    newData[head] = updateNestedDataByPath(newData[head], tail, value)

    return newData
  }

  if (oldData instanceof Object) {
    const newData = { ...oldData }

    if (updatePath.length === 1) {
      // @ts-expect-error
      newData[updatePath[0]] = value
      return newData
    }

    const [head, ...tail] = updatePath