Function Param

  • Param<T extends null | string | number | bigint | boolean>(
        field: string,
        assert?: (value: string) => T,
    ): ParameterDecorator

    URL parameter decorator.

    @WebSocketRoute.Param() is a parameter decorator function for the URL parameter with type casting and assertion.

    It's almost same with the TypedParam, but @WebSocketRoute.Param() is only for WebSocket protocol router function decorated by WebSocketRoute.

    Type Parameters

    • T extends null | string | number | bigint | boolean

    Parameters

    • field: string

      URL parameter field name

    • Optionalassert: (value: string) => T

    Returns ParameterDecorator

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