{"version":3,"file":"IHubProtocol.js","sourceRoot":"","sources":["../../src/IHubProtocol.ts"],"names":[],"mappings":"AAAA,sDAAsD;AACtD,+GAA+G;AAK/G,yCAAyC;AACzC,MAAM,CAAN,IAAY,WAeX;AAfD,WAAY,WAAW;IACnB,6HAA6H;IAC7H,yDAAc,CAAA;IACd,4HAA4H;IAC5H,yDAAc,CAAA;IACd,4HAA4H;IAC5H,yDAAc,CAAA;IACd,yIAAyI;IACzI,qEAAoB,CAAA;IACpB,yIAAyI;IACzI,qEAAoB,CAAA;IACpB,gHAAgH;IAChH,6CAAQ,CAAA;IACR,kHAAkH;IAClH,+CAAS,CAAA;AACb,CAAC,EAfW,WAAW,KAAX,WAAW,QAetB","sourcesContent":["// Copyright (c) .NET Foundation. All rights reserved.\r\n// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.\r\n\r\nimport { ILogger } from \"./ILogger\";\r\nimport { TransferFormat } from \"./ITransport\";\r\n\r\n/** Defines the type of a Hub Message. */\r\nexport enum MessageType {\r\n    /** Indicates the message is an Invocation message and implements the {@link @aspnet/signalr.InvocationMessage} interface. */\r\n    Invocation = 1,\r\n    /** Indicates the message is a StreamItem message and implements the {@link @aspnet/signalr.StreamItemMessage} interface. */\r\n    StreamItem = 2,\r\n    /** Indicates the message is a Completion message and implements the {@link @aspnet/signalr.CompletionMessage} interface. */\r\n    Completion = 3,\r\n    /** Indicates the message is a Stream Invocation message and implements the {@link @aspnet/signalr.StreamInvocationMessage} interface. */\r\n    StreamInvocation = 4,\r\n    /** Indicates the message is a Cancel Invocation message and implements the {@link @aspnet/signalr.CancelInvocationMessage} interface. */\r\n    CancelInvocation = 5,\r\n    /** Indicates the message is a Ping message and implements the {@link @aspnet/signalr.PingMessage} interface. */\r\n    Ping = 6,\r\n    /** Indicates the message is a Close message and implements the {@link @aspnet/signalr.CloseMessage} interface. */\r\n    Close = 7,\r\n}\r\n\r\n/** Defines a dictionary of string keys and string values representing headers attached to a Hub message. */\r\nexport interface MessageHeaders {\r\n    /** Gets or sets the header with the specified key. */\r\n    [key: string]: string;\r\n}\r\n\r\n/** Union type of all known Hub messages. */\r\nexport type HubMessage =\r\n    InvocationMessage |\r\n    StreamInvocationMessage |\r\n    StreamItemMessage |\r\n    CompletionMessage |\r\n    CancelInvocationMessage |\r\n    PingMessage |\r\n    CloseMessage;\r\n\r\n/** Defines properties common to all Hub messages. */\r\nexport interface HubMessageBase {\r\n    /** A {@link @aspnet/signalr.MessageType} value indicating the type of this message. */\r\n    readonly type: MessageType;\r\n}\r\n\r\n/** Defines properties common to all Hub messages relating to a specific invocation. */\r\nexport interface HubInvocationMessage extends HubMessageBase {\r\n    /** A {@link @aspnet/signalr.MessageHeaders} dictionary containing headers attached to the message. */\r\n    readonly headers?: MessageHeaders;\r\n    /** The ID of the invocation relating to this message.\r\n     *\r\n     * This is expected to be present for {@link @aspnet/signalr.StreamInvocationMessage} and {@link @aspnet/signalr.CompletionMessage}. It may\r\n     * be 'undefined' for an {@link @aspnet/signalr.InvocationMessage} if the sender does not expect a response.\r\n     */\r\n    readonly invocationId?: string;\r\n}\r\n\r\n/** A hub message representing a non-streaming invocation. */\r\nexport interface InvocationMessage extends HubInvocationMessage {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.Invocation;\r\n    /** The target method name. */\r\n    readonly target: string;\r\n    /** The target method arguments. */\r\n    readonly arguments: any[];\r\n}\r\n\r\n/** A hub message representing a streaming invocation. */\r\nexport interface StreamInvocationMessage extends HubInvocationMessage {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.StreamInvocation;\r\n\r\n    /** The invocation ID. */\r\n    readonly invocationId: string;\r\n    /** The target method name. */\r\n    readonly target: string;\r\n    /** The target method arguments. */\r\n    readonly arguments: any[];\r\n}\r\n\r\n/** A hub message representing a single item produced as part of a result stream. */\r\nexport interface StreamItemMessage extends HubInvocationMessage {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.StreamItem;\r\n\r\n    /** The invocation ID. */\r\n    readonly invocationId: string;\r\n\r\n    /** The item produced by the server. */\r\n    readonly item?: any;\r\n}\r\n\r\n/** A hub message representing the result of an invocation. */\r\nexport interface CompletionMessage extends HubInvocationMessage {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.Completion;\r\n    /** The invocation ID. */\r\n    readonly invocationId: string;\r\n    /** The error produced by the invocation, if any.\r\n     *\r\n     * Either {@link @aspnet/signalr.CompletionMessage.error} or {@link @aspnet/signalr.CompletionMessage.result} must be defined, but not both.\r\n     */\r\n    readonly error?: string;\r\n    /** The result produced by the invocation, if any.\r\n     *\r\n     * Either {@link @aspnet/signalr.CompletionMessage.error} or {@link @aspnet/signalr.CompletionMessage.result} must be defined, but not both.\r\n     */\r\n    readonly result?: any;\r\n}\r\n\r\n/** A hub message indicating that the sender is still active. */\r\nexport interface PingMessage extends HubMessageBase {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.Ping;\r\n}\r\n\r\n/** A hub message indicating that the sender is closing the connection.\r\n *\r\n * If {@link @aspnet/signalr.CloseMessage.error} is defined, the sender is closing the connection due to an error.\r\n */\r\nexport interface CloseMessage extends HubMessageBase {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.Close;\r\n    /** The error that triggered the close, if any.\r\n     *\r\n     * If this property is undefined, the connection was closed normally and without error.\r\n     */\r\n    readonly error?: string;\r\n}\r\n\r\n/** A hub message sent to request that a streaming invocation be canceled. */\r\nexport interface CancelInvocationMessage extends HubInvocationMessage {\r\n    /** @inheritDoc */\r\n    readonly type: MessageType.CancelInvocation;\r\n    /** The invocation ID. */\r\n    readonly invocationId: string;\r\n}\r\n\r\n/** A protocol abstraction for communicating with SignalR Hubs.  */\r\nexport interface IHubProtocol {\r\n    /** The name of the protocol. This is used by SignalR to resolve the protocol between the client and server. */\r\n    readonly name: string;\r\n    /** The version of the protocol. */\r\n    readonly version: number;\r\n    /** The {@link @aspnet/signalr.TransferFormat} of the protocol. */\r\n    readonly transferFormat: TransferFormat;\r\n\r\n    /** Creates an array of {@link @aspnet/signalr.HubMessage} objects from the specified serialized representation.\r\n     *\r\n     * If {@link @aspnet/signalr.IHubProtocol.transferFormat} is 'Text', the `input` parameter must be a string, otherwise it must be an ArrayBuffer.\r\n     *\r\n     * @param {string | ArrayBuffer | Buffer} input A string, ArrayBuffer, or Buffer containing the serialized representation.\r\n     * @param {ILogger} logger A logger that will be used to log messages that occur during parsing.\r\n     */\r\n    parseMessages(input: string | ArrayBuffer | Buffer, logger: ILogger): HubMessage[];\r\n\r\n    /** Writes the specified {@link @aspnet/signalr.HubMessage} to a string or ArrayBuffer and returns it.\r\n     *\r\n     * If {@link @aspnet/signalr.IHubProtocol.transferFormat} is 'Text', the result of this method will be a string, otherwise it will be an ArrayBuffer.\r\n     *\r\n     * @param {HubMessage} message The message to write.\r\n     * @returns {string | ArrayBuffer} A string or ArrayBuffer containing the serialized representation of the message.\r\n     */\r\n    writeMessage(message: HubMessage): string | ArrayBuffer;\r\n}\r\n"]}