Function isError

  • isError(value: any): value is Error

  • Checks if value is an Error, EvalError, RangeError, ReferenceError, SyntaxError, TypeError, or URIError object.

    Parameters

    • value: any

      The value to check.

    Returns value is Error

    Returns true if value is an error object, else false.

    Since

    5.6.0

    Example

    isError(new Error)
    // => true

    isError(Error)
    // => false

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