Function tryCatch

  • tryCatch<T>(callback): Promise<T | Error>

  • Wraps callback to try/catch block

    Type Parameters

    • T

    Parameters

    • callback: (() => Promise<T>)
        • (): Promise<T>

        • Returns Promise<T>

    Returns Promise<T | Error>

    Example

    const result = tryCatch(() => fetch('http://example.com'))
    if (value instanceof Error) {
        console.log(value.message)
    }

    const parsedOrUndefined = tryCatch(() => JSON.parse(jsonString), undefined)
  • tryCatch<T>(callback): T | Error

  • Type Parameters

    • T

    Parameters

    • callback: (() => T)
        • (): T

        • Returns T

    Returns T | Error

  • tryCatch<T, T2>(callback, defaultValue): Promise<T | T2>

  • Type Parameters

    • T
    • T2

    Parameters

    • callback: (() => Promise<T>)
        • (): Promise<T>

        • Returns Promise<T>

    • defaultValue: T2

    Returns Promise<T | T2>

  • tryCatch<T, T2>(callback, defaultValue): T | T2

  • Type Parameters

    • T
    • T2

    Parameters

    • callback: (() => T)
        • (): T

        • Returns T

    • defaultValue: T2

    Returns T | T2

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