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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _async_to_generator(fn) {
return function() {
var self = this, args = arguments;
return new Promise(function(resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _class_call_check(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _defineProperties(target, props) {
for(var i = 0; i < props.length; i++){
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _create_class(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _ts_generator(thisArg, body) {
var f, y, t, g, _ = {
label: 0,
sent: function() {
if (t[0] & 1) throw t[1];
return t[1];
},
trys: [],
ops: []
};
return g = {
next: verb(0),
"throw": verb(1),
"return": verb(2)
}, typeof Symbol === "function" && (g[Symbol.iterator] = function() {
return this;
}), g;
function verb(n) {
return function(v) {
return step([
n,
v
]);
};
}
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while(_)try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [
op[0] & 2,
t.value
];
switch(op[0]){
case 0:
case 1:
t = op;
break;
case 4:
_.label++;
return {
value: op[1],
done: false
};
case 5:
_.label++;
y = op[1];
op = [
0
];
continue;
case 7:
op = _.ops.pop();
_.trys.pop();
continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
_ = 0;
continue;
}
if (op[0] === 3 && (!t || op[1] > t[0] && op[1] < t[3])) {
_.label = op[1];
break;
}
if (op[0] === 6 && _.label < t[1]) {
_.label = t[1];
t = op;
break;
}
if (t && _.label < t[2]) {
_.label = t[2];
_.ops.push(op);
break;
}
if (t[2]) _.ops.pop();
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
} catch (e) {
op = [
6,
e
];
y = 0;
} finally{
f = t = 0;
}
if (op[0] & 5) throw op[1];
return {
value: op[0] ? op[1] : void 0,
done: true
};
}
}
export var SpeechManager = /*#__PURE__*/ function() {
"use strict";
function SpeechManager(onTranscript, onRecognitionActive, onCommandRecognized) {
var _this = this;
_class_call_check(this, SpeechManager);
this.onTranscript = onTranscript;
this.onRecognitionActive = onRecognitionActive; // Callback for recognition state
this.onCommandRecognized = onCommandRecognized; // Callback for recognized commands
this.recognition = null;
this.isRecognizing = false;
this.finalTranscript = '';
this.interimTranscript = '';
var SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
if (SpeechRecognition) {
this.recognition = new SpeechRecognition();
this.recognition.continuous = true; // Keep listening even after a pause
this.recognition.interimResults = true; // Get results while speaking
this.recognition.onstart = function() {
_this.isRecognizing = true;
console.log('Speech recognition started.');
if (_this.onRecognitionActive) _this.onRecognitionActive(true);
};
this.recognition.onresult = function(event) {
_this.interimTranscript = '';
for(var i = event.resultIndex; i < event.results.length; ++i){
if (event.results[i].isFinal) {
// Append to finalTranscript and then clear it for the next utterance
// This way, `finalTranscript` holds the *current complete* utterance.
var currentFinalTranscript = event.results[i][0].transcript.trim().toLowerCase();
_this.finalTranscript += currentFinalTranscript; // Append to potentially longer session transcript if needed, though we process per utterance
if (_this.onTranscript) {
// Display the raw transcript before processing as command
_this.onTranscript(event.results[i][0].transcript, ''); // Send final, clear interim
}
// Check for commands
var commandMap = {
'drag': 'drag',
'rotate': 'rotate',
'rotation': 'rotate',
'scale': 'scale',
'size': 'scale',
'zoom': 'scale',
'animate': 'animate',
'anime': 'animate',
'animation': 'animate' // Alias for animate
};
var spokenCommands = Object.keys(commandMap);
var _iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = undefined;
try {
for(var _iterator = spokenCommands[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true){
var spokenCmd = _step.value;
if (currentFinalTranscript.includes(spokenCmd)) {
var actualCommand = commandMap[spokenCmd];
if (_this.onCommandRecognized) {
_this.onCommandRecognized(actualCommand);
}
break; // Process the first command found (and its alias)
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally{
try {
if (!_iteratorNormalCompletion && _iterator.return != null) {
_iterator.return();
}
} finally{
if (_didIteratorError) {
throw _iteratorError;
}
}
}
// Reset finalTranscript for the next full utterance if you are processing utterance by utterance
// If you want to accumulate, then don't reset here.
// For command processing, resetting per utterance is usually best.
_this.finalTranscript = '';
} else {
_this.interimTranscript += event.results[i][0].transcript;
if (_this.onTranscript) {
_this.onTranscript(null, _this.interimTranscript);
}
}
}
// If only interim results were processed in this event batch, ensure onTranscript is called
if (_this.interimTranscript && !event.results[event.results.length - 1].isFinal) {
if (_this.onTranscript) {
_this.onTranscript(null, _this.interimTranscript);
}
}
};
this.recognition.onerror = function(event) {
console.error('Speech recognition error:', event.error);
var oldIsRecognizing = _this.isRecognizing;
_this.isRecognizing = false;
_this.finalTranscript = ''; // Clear transcript on error
_this.interimTranscript = '';
if (_this.onTranscript) _this.onTranscript('', ''); // Clear display
if (oldIsRecognizing && _this.onRecognitionActive) _this.onRecognitionActive(false);
// Automatically restart if it's an 'aborted' or 'no-speech' error
if (event.error === 'aborted' || event.error === 'no-speech') {
console.log('Restarting speech recognition due to inactivity or abort.');
// Don't call startRecognition directly, let onend handle it if continuous
}
};
this.recognition.onend = function() {
var oldIsRecognizing = _this.isRecognizing;
_this.isRecognizing = false;
console.log('Speech recognition ended.');
_this.finalTranscript = ''; // Clear transcript on end
_this.interimTranscript = '';
if (_this.onTranscript) _this.onTranscript('', ''); // Clear display
if (oldIsRecognizing && _this.onRecognitionActive) _this.onRecognitionActive(false);
// If it ended and continuous is true, restart it.
// This handles cases where the browser might stop it.
if (_this.recognition.continuous) {
console.log('Continuous mode: Restarting speech recognition.');
_this.startRecognition(); // startRecognition already resets transcripts
}
};
} else {
console.warn('Web Speech API is not supported in this browser.');
}
}
_create_class(SpeechManager, [
{
key: "startRecognition",
value: function startRecognition() {
var _this = this;
if (this.recognition && !this.isRecognizing) {
try {
this.finalTranscript = ''; // Reset transcript
this.interimTranscript = '';
this.recognition.start();
} catch (e) {
console.error("Error starting speech recognition:", e);
// This can happen if it's already started or due to permissions
if (e.name === 'InvalidStateError' && this.isRecognizing) {
// Already started, do nothing
} else {
// Attempt to restart if it fails for other reasons (e.g. after an error)
setTimeout(function() {
return _this.startRecognition();
}, 500);
}
}
}
}
},
{
key: "stopRecognition",
value: function stopRecognition() {
if (this.recognition && this.isRecognizing) {
this.recognition.stop();
}
}
},
{
key: "requestPermissionAndStart",
value: // Call this on user interaction to request microphone permission
function requestPermissionAndStart() {
var _this = this;
return _async_to_generator(function() {
var err;
return _ts_generator(this, function(_state) {
switch(_state.label){
case 0:
if (!_this.recognition) {
console.log("Speech recognition not supported.");
return [
2
];
}
_state.label = 1;
case 1:
_state.trys.push([
1,
3,
,
4
]);
// Attempt to get microphone access (this might prompt the user)
return [
4,
navigator.mediaDevices.getUserMedia({
audio: true
})
];
case 2:
_state.sent();
console.log("Microphone permission granted.");
_this.startRecognition();
return [
3,
4
];
case 3:
err = _state.sent();
console.error("Microphone permission denied or error:", err);
if (_this.onTranscript) {
_this.onTranscript("Microphone access denied. Please allow microphone access in your browser settings.", "");
}
return [
3,
4
];
case 4:
return [
2
];
}
});
})();
}
}
]);
return SpeechManager;
}(); |