4dkankan-components/packages/utils/types.ts

import { isArray, isObject } from '@vue/shared'
import { isNil } from 'lodash-unified'

export { isArray, isFunction, isObject, isString, isDate, isPromise, isSymbol } from '@vue/shared'
export { isBoolean, isNumber } from '@vueuse/core'
export { isVNode } from 'vue'

export const isUndefined = (val: any): val is undefined => val === undefined

export const isEmpty = (val: unknown) => (!val && val !== 0) || (isArray(val) && val.length === 0) || (isObject(val) && !Object.keys(val).length)

export const isElement = (e: unknown): e is Element => {
    if (typeof Element === 'undefined') return false
    return e instanceof Element
}

export const isPropAbsent = (prop: unknown): prop is null | undefined => {
    return isNil(prop)
}