import { isArray, isString, isObject } from './'

export function normalizeStyle(
  value: unknown
): Record<string, string | number> | undefined {
  if (isArray(value)) {
    const res: Record<string, string | number> = {}
    for (let i = 0; i < value.length; i++) {
      const normalized = normalizeStyle(value[i])
      if (normalized) {
        for (const key in normalized) {
          res[key] = normalized[key]
        }
      }
    }
    return res
  } else if (isObject(value)) {
    return value
  }
}

export function normalizeClass(value: unknown): string {
  let res = ''
  if (isString(value)) {
    res = value
  } else if (isArray(value)) {
    for (let i = 0; i < value.length; i++) {
      res += normalizeClass(value[i]) + ' '
    }
  } else if (isObject(value)) {
    for (const name in value) {
      if (value[name]) {
        res += name + ' '
      }
    }
  }
  return res.trim()
}