@voice-ping/cognitive-services-speech/distrib/es2015/src/common.speech/Transcription/ConversationWebsocketMessageFormatter.js

VoicePing Cognitive Services Speech SDK for JavaScript forked from Microsoft

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
import { Deferred, MessageType, RawWebsocketMessage, } from "../../common/Exports";
import { ConversationConnectionMessage } from "./ConversationConnectionMessage";
/**
 * Based off WebsocketMessageFormatter. The messages for Conversation Translator have some variations from the Speech messages.
 */
export class ConversationWebsocketMessageFormatter {
    constructor() {
        /**
         * Format incoming messages: text (speech partial/final, IM) or binary (tts)
         */
        this.toConnectionMessage = (message) => {
            const deferral = new Deferred();
            try {
                if (message.messageType === MessageType.Text) {
                    const incomingMessage = new ConversationConnectionMessage(message.messageType, message.textContent, {}, message.id);
                    deferral.resolve(incomingMessage);
                }
                else if (message.messageType === MessageType.Binary) {
                    deferral.resolve(new ConversationConnectionMessage(message.messageType, message.binaryContent, undefined, message.id));
                }
            }
            catch (e) {
                deferral.reject(`Error formatting the message. Error: ${e}`);
            }
            return deferral.promise();
        };
        /**
         * Format outgoing messages: text (commands or IM)
         */
        this.fromConnectionMessage = (message) => {
            const deferral = new Deferred();
            try {
                if (message.messageType === MessageType.Text) {
                    const payload = `${message.textBody ? message.textBody : ""}`;
                    deferral.resolve(new RawWebsocketMessage(MessageType.Text, payload, message.id));
                }
            }
            catch (e) {
                deferral.reject(`Error formatting the message. ${e}`);
            }
            return deferral.promise();
        };
    }
}

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