Variable createClassifyedErrorConst

Type declaration

• • <
        reason extends string,
        isFatal extends boolean = true,
        oldError extends
            new (...args: [message?: string]) => InstanceType<oldError> = ErrorConstructor,
    >(
        reason: reason,
        oldError?: oldError,
        isFatal?: isFatal,
    ): NoFunc<oldError> & new (
        ...args: ConstructorParameters<oldError>,
    ) => Omit<InstanceType<oldError>, "isFatal"> & {
        isFatal: isFatal;
        reasonChain: string[];
    }

  • Create a classified error class that extends the oldError to add fancy classification prepended text and adds the reasonChain and isFatal properties.

    Type Parameters

    • reason extends string

      The error reason
    • isFatal extends boolean = true

      If the error is fatal. Defaults to true.
    • oldError extends new (...args: [message?: string]) => InstanceType<oldError> = ErrorConstructor

      The old error class to extend. Defaults to Error.

    Parameters

    • reason: reason
    • oldError: oldError = Error
    • isFatal: isFatal = true

    Returns NoFunc<oldError> & new (
        ...args: ConstructorParameters<oldError>,
    ) => Omit<InstanceType<oldError>, "isFatal"> & {
        isFatal: isFatal;
        reasonChain: string[];
    }

    The new error class that extends the oldError with the reasonChain and isFatal properties.