feature: support for Google Assistant API v1alpha2

.env.example

@@ -0,0 +1,3 @@
+CLIENT_ID=
+CLIENT_SECRET=
+REDIRECT_URL=

.gitignore

@@ -4,7 +4,6 @@
 node_modules
 .DS_Store
 .env
-/build
 /lib
 /test
 /examples

.npmignore

@@ -1,6 +1,4 @@
-build
 test
-ts
 gulpfile.js
 tsconfig.json
 *.tgz

build/lib/audio-converter.d.ts

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+/// <reference types="node" />
+import * as stream from "stream";
+declare class AudioConverter extends stream.Transform {
+    constructor();
+    _transform(chunk: any, enc: string, cb: (err?: Error) => void): void;
+}
+export default AudioConverter;

build/lib/config.d.ts

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+import { AudioInOptions, AudioOutOptions, DeviceOptions } from "./options";
+export interface AudioInConfig extends AudioInOptions {
+    setEncoding(encoding: number): void;
+    setSampleRateHertz(encoding: number): void;
+}
+export interface AudioOutConfig extends AudioOutOptions, AudioInConfig {
+    setVolumePercentage(percentage: number): void;
+}
+export interface DialogStateIn {
+    conversationState: Array<number> | null;
+    languageCode: string | null;
+    setLanguageCode(languageCode: string): void;
+    setConversationState(state: Array<number> | null): void;
+}
+export interface DeviceConfig extends DeviceOptions {
+    setDeviceId(id: string): void;
+    setDeviceModelId(id: string): void;
+}
+export interface AssistantConfig {
+    output: AudioOutOptions;
+    input?: AudioInOptions;
+    device: DeviceOptions;
+    languageCode: string;
+}
+export interface AssistConfig {
+    setAudioInConfig(config: AudioInConfig): void;
+    setAudioOutConfig(config: AudioOutConfig): void;
+    setDialogStateIn(state: DialogStateIn): void;
+    setDeviceConfig(config: DeviceConfig): void;
+    setTextQuery(value: string): void;
+    clearAudioInConfig(): void;
+    clearTextQuery(): void;
+}

build/lib/constants.d.ts

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+export declare enum State {
+    IN_PROGRESS = 0,
+    FINISHED = 1,
+}
+export declare enum Event {
+    END_OF_UTTERANCE = 1,
+}
+export declare enum MicMode {
+    CLOSE_MICROPHONE = 1,
+    DIALOG_FOLLOW_ON = 2,
+}
+export declare enum Encoding {
+    LINEAR16 = 1,
+    FLAC = 2,
+    MP3 = 2,
+    OPUS_IN_OGG = 3,
+}
+export declare module API {
+    const ENDPOINT = "embeddedassistant.googleapis.com";
+}

build/lib/google-assistant.d.ts

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+/// <reference types="node" />
+import * as events from "events";
+import * as constants from "./constants";
+import { AudioInOptions, AudioOutOptions, DeviceOptions } from "./options";
+import { AssistantConfig } from "./config";
+declare class GoogleAssistant extends events.EventEmitter {
+    static Constants: typeof constants;
+    private state;
+    private service;
+    private channel;
+    private converter;
+    private assistConfig;
+    private conversationState;
+    private textQuery;
+    private languageCode;
+    private audioInConfig;
+    private audioOutConfig;
+    private dialogStateIn;
+    private deviceConfig;
+    constructor(config: AssistantConfig);
+    setDeviceConfig(config: DeviceOptions): void;
+    setInputConfig(config?: AudioInOptions): void;
+    setLanguageCode(languageCode: string): void;
+    setOutputConfig(config: AudioOutOptions): void;
+    private _updateAssistConfig();
+    authenticate(authClient: any): void;
+    assist(textQuery?: string): void;
+    writeAudio(data: any): void;
+    say(sentence: string): void;
+    private _handleEndOfUtterance(response);
+    private _handleAssistResponse(response);
+    private _handleAudioOut(response);
+    private _handleSpeechResults(response);
+    private _handleDialogStateOut(state);
+    private _handleConversationState(state);
+    _handleConversationEnd(): void;
+    _handleError(error: any): void;
+    stop(): void;
+}
+export = GoogleAssistant;