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Index

Functions

isArray

  • isArray<T>(testee: unknown): testee is T[]
  • To test if an argument is an Array

    export

    Type parameters

    • T = any

    Parameters

    • testee: unknown

    Returns testee is T[]

isBoolean

  • isBoolean(testee: unknown): testee is boolean
  • To test if the input is a boolean

    export

    Parameters

    • testee: unknown

    Returns testee is boolean

isEmpty

  • isEmpty(obj: any): boolean
  • Check input param is "Empty": undefined or null or {}, []

    export

    Parameters

    • obj: any

    Returns boolean

isFunction

  • isFunction(testee: unknown): testee is Func<unknown>
  • To test if the input is a function

    export

    Parameters

    • testee: unknown

    Returns testee is Func<unknown>

isNumber

  • isNumber(testee: unknown): testee is number
  • To test if the input is a number

    export

    Parameters

    • testee: unknown

    Returns testee is number

isPrimitive

  • isPrimitive(obj: any): boolean
  • Check argument is primitive or not

    export

    Parameters

    • obj: any

    Returns boolean

isString

  • isString(testee: unknown): testee is string
  • To test if the input is a string

    export

    Parameters

    • testee: unknown

    Returns testee is string

isUndefinedOrNull

  • isUndefinedOrNull(testee: unknown): testee is undefined | null
  • Check input param is undefined or null

    Parameters

    • testee: unknown

    Returns testee is undefined | null

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