Function empty

packages/utils/src/index.ts:168–185

(
  value: any // eslint-disable-line
)

 * @public
 */
export function empty(
  value: any // eslint-disable-line
): boolean {
  const type = typeof value
  if (type === 'number') return false
  if (value === undefined) return true
  if (type === 'string') {
    return value === ''
  }
  if (type === 'object') {
    if (value === null) return true
    for (const _i in value) return false
    if (value instanceof RegExp) return false
    if (value instanceof Date) return false
    return true
  }
  return false
}

/**
 * Escape a string for use in regular expressions.