v1/text_to_speech_client.js

"use strict";
// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ** This file is automatically generated by gapic-generator-typescript. **
// ** https://github.com/googleapis/gapic-generator-typescript **
// ** All changes to this file may be overwritten. **
Object.defineProperty(exports, "__esModule", { value: true });
const gax = require("google-gax");
const path = require("path");
const gapicConfig = require("./text_to_speech_client_config.json");
const version = require('../../../package.json').version;
/**
 *  Service that implements Google Cloud Text-to-Speech API.
 * @class
 * @memberof v1
 */
class TextToSpeechClient {
    /**
     * Construct an instance of TextToSpeechClient.
     *
     * @param {object} [options] - The configuration object. See the subsequent
     *   parameters for more details.
     * @param {object} [options.credentials] - Credentials object.
     * @param {string} [options.credentials.client_email]
     * @param {string} [options.credentials.private_key]
     * @param {string} [options.email] - Account email address. Required when
     *     using a .pem or .p12 keyFilename.
     * @param {string} [options.keyFilename] - Full path to the a .json, .pem, or
     *     .p12 key downloaded from the Google Developers Console. If you provide
     *     a path to a JSON file, the projectId option below is not necessary.
     *     NOTE: .pem and .p12 require you to specify options.email as well.
     * @param {number} [options.port] - The port on which to connect to
     *     the remote host.
     * @param {string} [options.projectId] - The project ID from the Google
     *     Developer's Console, e.g. 'grape-spaceship-123'. We will also check
     *     the environment variable GCLOUD_PROJECT for your project ID. If your
     *     app is running in an environment which supports
     *     {@link https://developers.google.com/identity/protocols/application-default-credentials Application Default Credentials},
     *     your project ID will be detected automatically.
     * @param {function} [options.promise] - Custom promise module to use instead
     *     of native Promises.
     * @param {string} [options.apiEndpoint] - The domain name of the
     *     API remote host.
     */
    constructor(opts) {
        this._descriptors = { page: {}, stream: {}, longrunning: {} };
        this._terminated = false;
        // Ensure that options include the service address and port.
        const staticMembers = this.constructor;
        const servicePath = opts && opts.servicePath
            ? opts.servicePath
            : opts && opts.apiEndpoint
                ? opts.apiEndpoint
                : staticMembers.servicePath;
        const port = opts && opts.port ? opts.port : staticMembers.port;
        if (!opts) {
            opts = { servicePath, port };
        }
        opts.servicePath = opts.servicePath || servicePath;
        opts.port = opts.port || port;
        opts.clientConfig = opts.clientConfig || {};
        const isBrowser = typeof window !== 'undefined';
        if (isBrowser) {
            opts.fallback = true;
        }
        // If we are in browser, we are already using fallback because of the
        // "browser" field in package.json.
        // But if we were explicitly requested to use fallback, let's do it now.
        const gaxModule = !isBrowser && opts.fallback ? gax.fallback : gax;
        // Create a `gaxGrpc` object, with any grpc-specific options
        // sent to the client.
        opts.scopes = this.constructor.scopes;
        const gaxGrpc = new gaxModule.GrpcClient(opts);
        // Save the auth object to the client, for use by other methods.
        this.auth = gaxGrpc.auth;
        // Determine the client header string.
        const clientHeader = [`gax/${gaxModule.version}`, `gapic/${version}`];
        if (typeof process !== 'undefined' && 'versions' in process) {
            clientHeader.push(`gl-node/${process.versions.node}`);
        }
        else {
            clientHeader.push(`gl-web/${gaxModule.version}`);
        }
        if (!opts.fallback) {
            clientHeader.push(`grpc/${gaxGrpc.grpcVersion}`);
        }
        if (opts.libName && opts.libVersion) {
            clientHeader.push(`${opts.libName}/${opts.libVersion}`);
        }
        // Load the applicable protos.
        // For Node.js, pass the path to JSON proto file.
        // For browsers, pass the JSON content.
        const nodejsProtoPath = path.join(__dirname, '..', '..', 'protos', 'protos.json');
        const protos = gaxGrpc.loadProto(opts.fallback ? require('../../protos/protos.json') : nodejsProtoPath);
        // Put together the default options sent with requests.
        const defaults = gaxGrpc.constructSettings('google.cloud.texttospeech.v1.TextToSpeech', gapicConfig, opts.clientConfig || {}, { 'x-goog-api-client': clientHeader.join(' ') });
        // Set up a dictionary of "inner API calls"; the core implementation
        // of calling the API is handled in `google-gax`, with this code
        // merely providing the destination and request information.
        this._innerApiCalls = {};
        // Put together the "service stub" for
        // google.cloud.texttospeech.v1.TextToSpeech.
        this.textToSpeechStub = gaxGrpc.createStub(opts.fallback
            ? protos.lookupService('google.cloud.texttospeech.v1.TextToSpeech')
            : // tslint:disable-next-line no-any
                protos.google.cloud.texttospeech.v1.TextToSpeech, opts);
        // Iterate over each of the methods that the service provides
        // and create an API call method for each.
        const textToSpeechStubMethods = ['listVoices', 'synthesizeSpeech'];
        for (const methodName of textToSpeechStubMethods) {
            const innerCallPromise = this.textToSpeechStub.then(stub => (...args) => {
                if (this._terminated) {
                    return Promise.reject('The client has already been closed.');
                }
                return stub[methodName].apply(stub, args);
            }, (err) => () => {
                throw err;
            });
            const apiCall = gaxModule.createApiCall(innerCallPromise, defaults[methodName], this._descriptors.page[methodName] ||
                this._descriptors.stream[methodName] ||
                this._descriptors.longrunning[methodName]);
            this._innerApiCalls[methodName] = (argument, callOptions, callback) => {
                return apiCall(argument, callOptions, callback);
            };
        }
    }
    /**
     * The DNS address for this API service.
     */
    static get servicePath() {
        return 'texttospeech.googleapis.com';
    }
    /**
     * The DNS address for this API service - same as servicePath(),
     * exists for compatibility reasons.
     */
    static get apiEndpoint() {
        return 'texttospeech.googleapis.com';
    }
    /**
     * The port for this API service.
     */
    static get port() {
        return 443;
    }
    /**
     * The scopes needed to make gRPC calls for every method defined
     * in this service.
     */
    static get scopes() {
        return ['https://www.googleapis.com/auth/cloud-platform'];
    }
    /**
     * Return the project ID used by this class.
     * @param {function(Error, string)} callback - the callback to
     *   be called with the current project Id.
     */
    getProjectId(callback) {
        if (callback) {
            this.auth.getProjectId(callback);
            return;
        }
        return this.auth.getProjectId();
    }
    /**
     * Returns a list of Voice supported for synthesis.
     *
     * @param {Object} request
     *   The request object that will be sent.
     * @param {string} [request.languageCode]
     *   Optional. Recommended.
     *   [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If
     *   specified, the ListVoices call will only return voices that can be used to
     *   synthesize this language_code. E.g. when specifying "en-NZ", you will get
     *   supported "en-*" voices; when specifying "no", you will get supported
     *   "no-*" (Norwegian) and "nb-*" (Norwegian Bokmal) voices; specifying "zh"
     *   will also get supported "cmn-*" voices; specifying "zh-hk" will also get
     *   supported "yue-*" voices.
     * @param {object} [options]
     *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
     * @returns {Promise} - The promise which resolves to an array.
     *   The first element of the array is an object representing [ListVoicesResponse]{@link google.cloud.texttospeech.v1.ListVoicesResponse}.
     *   The promise has a method named "cancel" which cancels the ongoing API call.
     */
    listVoices(request, optionsOrCallback, callback) {
        request = request || {};
        let options;
        if (typeof optionsOrCallback === 'function' && callback === undefined) {
            callback = optionsOrCallback;
            options = {};
        }
        else {
            options = optionsOrCallback;
        }
        options = options || {};
        return this._innerApiCalls.listVoices(request, options, callback);
    }
    /**
     * Synthesizes speech synchronously: receive results after all text input
     * has been processed.
     *
     * @param {Object} request
     *   The request object that will be sent.
     * @param {google.cloud.texttospeech.v1.SynthesisInput} request.input
     *   Required. The Synthesizer requires either plain text or SSML as input.
     * @param {google.cloud.texttospeech.v1.VoiceSelectionParams} request.voice
     *   Required. The desired voice of the synthesized audio.
     * @param {google.cloud.texttospeech.v1.AudioConfig} request.audioConfig
     *   Required. The configuration of the synthesized audio.
     * @param {object} [options]
     *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
     * @returns {Promise} - The promise which resolves to an array.
     *   The first element of the array is an object representing [SynthesizeSpeechResponse]{@link google.cloud.texttospeech.v1.SynthesizeSpeechResponse}.
     *   The promise has a method named "cancel" which cancels the ongoing API call.
     */
    synthesizeSpeech(request, optionsOrCallback, callback) {
        request = request || {};
        let options;
        if (typeof optionsOrCallback === 'function' && callback === undefined) {
            callback = optionsOrCallback;
            options = {};
        }
        else {
            options = optionsOrCallback;
        }
        options = options || {};
        return this._innerApiCalls.synthesizeSpeech(request, options, callback);
    }
    /**
     * Terminate the GRPC channel and close the client.
     *
     * The client will no longer be usable and all future behavior is undefined.
     */
    close() {
        if (!this._terminated) {
            return this.textToSpeechStub.then(stub => {
                this._terminated = true;
                stub.close();
            });
        }
        return Promise.resolve();
    }
}
exports.TextToSpeechClient = TextToSpeechClient;
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