@sign-speak/react-sdk
Version:
Unlock Sign Language Recognition, Avatar, and Speech Recognition.
188 lines (187 loc) • 8.57 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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 (g && (g = 0, op[0] && (_ = 0)), _) 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; }
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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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.useSignLanguageRecognition = void 0;
var react_1 = require("react");
var websockets_1 = require("../network/websockets");
var rest_1 = require("../network/rest");
function useSignLanguageRecognition(config) {
var _this = this;
var _a = (0, react_1.useState)(), prediction = _a[0], setPrediction = _a[1];
var _b = (0, react_1.useState)(null), feedbackId = _b[0], setFeedbackId = _b[1];
var _c = (0, react_1.useState)(false), loading = _c[0], setLoading = _c[1];
var _d = (0, react_1.useState)(null), error = _d[0], setError = _d[1];
var _e = (0, react_1.useState)(false), isConnected = _e[0], setIsConnected = _e[1];
var _f = (0, react_1.useState)(false), recording = _f[0], setRecording = _f[1];
var configRef = (0, react_1.useRef)(config !== null && config !== void 0 ? config : {});
// Store the WebSocket instance in a ref to persist across renders.
var websocketRef = (0, react_1.useRef)(null);
// Establish a WebSocket connection.
var connect = function () { return __awaiter(_this, void 0, void 0, function () {
var err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
websocketRef.current = new websockets_1.SignSpeakWebSocket(configRef.current, function (newResult) {
setLoading(false);
setPrediction(newResult);
});
return [4 /*yield*/, websocketRef.current.connect()];
case 1:
_a.sent();
setIsConnected(true);
return [3 /*break*/, 3];
case 2:
err_1 = _a.sent();
setError(err_1);
throw err_1;
case 3: return [2 /*return*/];
}
});
}); };
// Start live streaming from the user's camera.
var startRecognition = function () { return __awaiter(_this, void 0, void 0, function () {
var err_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 4, , 5]);
if (!(!websocketRef.current || !isConnected)) return [3 /*break*/, 2];
return [4 /*yield*/, connect()];
case 1:
_a.sent();
_a.label = 2;
case 2: return [4 /*yield*/, websocketRef.current.streamLiveVideo()];
case 3:
_a.sent();
setRecording(true);
return [3 /*break*/, 5];
case 4:
err_2 = _a.sent();
setError(err_2);
return [3 /*break*/, 5];
case 5: return [2 /*return*/];
}
});
}); };
// Stop the streaming process but leave the connection open for reuse.
var stopRecognition = function () {
if (websocketRef.current) {
// Passing 'false' prevents closing the socket.
websocketRef.current.stopStreaming(false);
setRecording(false);
setLoading(true);
}
};
// Disconnect the WebSocket connection.
var disconnect = function () {
if (websocketRef.current) {
websocketRef.current.disconnect();
setIsConnected(false);
}
};
// Clear all received prediction and feedback ID.
var clearPrediction = function () {
setPrediction(null);
setFeedbackId(null);
};
// Reconnect by disconnecting and then reconnecting.
var reconnect = function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
disconnect();
return [4 /*yield*/, connect()];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); };
// Submit feedback using the REST API.
// `rating` should be "GOOD" or "BAD". The correction is optional.
var submitFeedbackAction = function (rating, correction) { return __awaiter(_this, void 0, void 0, function () {
var err_3;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!feedbackId)
return [2 /*return*/];
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, (0, rest_1.submitFeedback)(feedbackId, rating, correction)];
case 2:
_a.sent();
// Optionally, clear feedbackId after submission.
setFeedbackId(null);
return [3 /*break*/, 4];
case 3:
err_3 = _a.sent();
setError(err_3);
throw err_3;
case 4: return [2 /*return*/];
}
});
}); };
// Automatically connect on mount and cleanup on unmount.
(0, react_1.useEffect)(function () {
connect();
return function () {
disconnect();
};
}, []);
(0, react_1.useEffect)(function () {
configRef.current = config !== null && config !== void 0 ? config : {};
}, [config]);
return {
prediction: prediction,
loading: loading,
error: error,
isConnected: isConnected,
recording: recording,
startRecognition: startRecognition,
stopRecognition: stopRecognition,
disconnect: disconnect,
clearPrediction: clearPrediction,
reconnect: reconnect,
submitFeedback: submitFeedbackAction,
};
}
exports.useSignLanguageRecognition = useSignLanguageRecognition;