devextreme
Version:
JavaScript/TypeScript Component Suite for Responsive Web Development
82 lines (80 loc) • 2.89 kB
JavaScript
/**
* DevExtreme (cjs/__internal/core/speech_recognition_adapter.js)
* Version: 25.2.7
* Build date: Tue May 05 2026
*
* Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.SpeechRecognitionAdapter = exports.NOT_SUPPORTED_ERROR = void 0;
var _window = require("../../core/utils/window");
var _ui = _interopRequireDefault(require("../../ui/widget/ui.errors"));
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
const NOT_SUPPORTED_ERROR = exports.NOT_SUPPORTED_ERROR = "E1065";
const EVENT_NAMES = ["onresult", "onerror", "onend"];
class SpeechRecognitionAdapter {
constructor(config, events) {
this._isListening = false;
const window = (0, _window.getWindow)();
const SpeechRecognitionConstructor = window.SpeechRecognition || window.webkitSpeechRecognition;
if (!SpeechRecognitionConstructor) {
_ui.default.log(NOT_SUPPORTED_ERROR);
return
}
this._speechRecognition = new SpeechRecognitionConstructor;
this.applyConfig(config);
this._attachEvents(events)
}
_attachEvents(events) {
if (!this._speechRecognition) {
return
}
this._speechRecognition.onstart = () => {
this._isListening = true
};
this._speechRecognition.onend = event => {
this._isListening = false;
events.onEnd(event)
};
this._speechRecognition.onresult = events.onResult;
this._speechRecognition.onerror = events.onError
}
applyConfig() {
let config = arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : {};
Object.entries(config).forEach(_ref => {
let [key, value] = _ref;
if (this._speechRecognition && !EVENT_NAMES.includes(key)) {
this._speechRecognition[key] = value
}
})
}
start() {
var _this$_speechRecognit;
if (this._isListening) {
return
}
null === (_this$_speechRecognit = this._speechRecognition) || void 0 === _this$_speechRecognit || _this$_speechRecognit.start()
}
stop() {
var _this$_speechRecognit2;
if (!this._isListening) {
return
}
null === (_this$_speechRecognit2 = this._speechRecognition) || void 0 === _this$_speechRecognit2 || _this$_speechRecognit2.stop()
}
dispose() {
this._speechRecognition = null
}
isAvailable() {
return Boolean(this._speechRecognition)
}
}
exports.SpeechRecognitionAdapter = SpeechRecognitionAdapter;