microsoft-cognitiveservices-speech-sdk/distrib/lib/src/common.speech/TranslationConnectionFactory.js

Microsoft Cognitive Services Speech SDK for JavaScript

"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
exports.TranslationConnectionFactory = void 0;
const Exports_js_1 = require("../common.browser/Exports.js");
const StringUtils_js_1 = require("../common/StringUtils.js");
const Exports_js_2 = require("../sdk/Exports.js");
const ConnectionFactoryBase_js_1 = require("./ConnectionFactoryBase.js");
const Exports_js_3 = require("./Exports.js");
const HeaderNames_js_1 = require("./HeaderNames.js");
const QueryParameterNames_js_1 = require("./QueryParameterNames.js");
class TranslationConnectionFactory extends ConnectionFactoryBase_js_1.ConnectionFactoryBase {
    create(config, authInfo, connectionId) {
        const endpoint = this.getEndpointUrl(config);
        const queryParams = {};
        if (config.autoDetectSourceLanguages !== undefined) {
            queryParams[QueryParameterNames_js_1.QueryParameterNames.EnableLanguageId] = "true";
        }
        this.setQueryParams(queryParams, config, endpoint);
        const headers = {};
        if (authInfo.token !== undefined && authInfo.token !== "") {
            headers[authInfo.headerName] = authInfo.token;
        }
        headers[HeaderNames_js_1.HeaderNames.ConnectionId] = connectionId;
        config.parameters.setProperty(Exports_js_2.PropertyId.SpeechServiceConnection_Url, endpoint);
        const enableCompression = config.parameters.getProperty("SPEECH-EnableWebsocketCompression", "false") === "true";
        return new Exports_js_1.WebsocketConnection(endpoint, queryParams, headers, new Exports_js_3.WebsocketMessageFormatter(), Exports_js_1.ProxyInfo.fromRecognizerConfig(config), enableCompression, connectionId);
    }
    getEndpointUrl(config, returnRegionPlaceholder) {
        const region = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_Region);
        const hostSuffix = ConnectionFactoryBase_js_1.ConnectionFactoryBase.getHostSuffix(region);
        let endpointUrl = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_Endpoint, undefined);
        if (!endpointUrl) {
            if (config.autoDetectSourceLanguages !== undefined) {
                const host = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_Host, "wss://{region}.stt.speech" + hostSuffix);
                endpointUrl = host + "/speech/universal/v2";
            }
            else {
                const host = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_Host, "wss://{region}.s2s.speech" + hostSuffix);
                endpointUrl = host + "/speech/translation/cognitiveservices/v1";
            }
        }
        if (returnRegionPlaceholder === true) {
            return endpointUrl;
        }
        return StringUtils_js_1.StringUtils.formatString(endpointUrl, { region });
    }
    setQueryParams(queryParams, config, endpointUrl) {
        queryParams.from = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_RecoLanguage);
        queryParams.to = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_TranslationToLanguages);
        queryParams.scenario = config.recognitionMode === Exports_js_3.RecognitionMode.Interactive ? "interactive" :
            config.recognitionMode === Exports_js_3.RecognitionMode.Conversation ? "conversation" : "";
        this.setCommonUrlParams(config, queryParams, endpointUrl);
        this.setUrlParameter(Exports_js_2.PropertyId.SpeechServiceResponse_TranslationRequestStablePartialResult, QueryParameterNames_js_1.QueryParameterNames.StableTranslation, config, queryParams, endpointUrl);
        const translationVoice = config.parameters.getProperty(Exports_js_2.PropertyId.SpeechServiceConnection_TranslationVoice, undefined);
        if (translationVoice !== undefined) {
            queryParams.voice = translationVoice;
            queryParams.features = "texttospeech";
        }
    }
}
exports.TranslationConnectionFactory = TranslationConnectionFactory;

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