sofya.transcription
Version:
a JavaScript library that provides a robust and flexible solution for real-time audio transcription. It is designed to transcribe audio streams and can be easily integrated into web applications.
220 lines • 11.6 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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return t;
};
return __assign.apply(this, arguments);
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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); } }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SofyaTranscriber = void 0;
var TranscriptionServiceFactory_1 = require("./TranscriptionServiceFactory");
var api_1 = require("../../api/api");
var EventEmitter_1 = __importDefault(require("../../shared/EventEmitter"));
var SofyaTranscriber = /** @class */ (function (_super) {
__extends(SofyaTranscriber, _super);
function SofyaTranscriber(apiKey, config) {
var _this = _super.call(this) || this;
_this.transcriptionService = null;
_this.initializeTranscriptionService(apiKey, config);
return _this;
}
SofyaTranscriber.prototype.startTranscription = function (mediaStream) {
if (!this.transcriptionService) {
throw new Error("Transcription Service Not Ready. Try again.");
}
this.transcriptionService.startTranscription(mediaStream);
};
SofyaTranscriber.prototype.stopTranscription = function () {
if (!this.transcriptionService) {
throw new Error("Transcription Service Not Ready. Try again.");
}
this.transcriptionService.stopTranscription();
};
SofyaTranscriber.prototype.pauseTranscription = function () {
if (!this.transcriptionService) {
throw new Error("Transcription Service Not Ready. Try again.");
}
this.transcriptionService.pauseTranscription();
};
SofyaTranscriber.prototype.resumeTranscription = function () {
if (!this.transcriptionService) {
throw new Error("Transcription Service Not Ready. Try again.");
}
this.transcriptionService.resumeTranscription();
};
SofyaTranscriber.prototype.initializeTranscriptionService = function (apiKey, config) {
return __awaiter(this, void 0, void 0, function () {
var providersInfo, providers, _i, providers_1, providerInfo, provider, additional_info, connected, _a, _b, endpoint, endpointConfig, _c, endpointError_1, providerConfig, _d, providerError_1, error_1;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
_e.trys.push([0, 14, , 15]);
return [4 /*yield*/, this.authenticate(apiKey)];
case 1:
providersInfo = _e.sent();
providers = providersInfo.providers;
_i = 0, providers_1 = providers;
_e.label = 2;
case 2:
if (!(_i < providers_1.length)) return [3 /*break*/, 13];
providerInfo = providers_1[_i];
provider = providerInfo.provider, additional_info = providerInfo.additional_info;
if (!(additional_info.endpoints && additional_info.endpoints.length > 0)) return [3 /*break*/, 9];
connected = false;
_a = 0, _b = additional_info.endpoints;
_e.label = 3;
case 3:
if (!(_a < _b.length)) return [3 /*break*/, 8];
endpoint = _b[_a];
_e.label = 4;
case 4:
_e.trys.push([4, 6, , 7]);
endpointConfig = __assign(__assign(__assign({}, config), additional_info), { endpoint: endpoint });
_c = this;
return [4 /*yield*/, TranscriptionServiceFactory_1.TranscriptionServiceFactory.create(provider, endpointConfig)];
case 5:
_c.transcriptionService = _e.sent();
this.addTranscriptionListeners();
connected = true;
this.emit("ready");
return [2 /*return*/];
case 6:
endpointError_1 = _e.sent();
console.warn("Failed to connect to endpoint: ", endpointError_1);
return [3 /*break*/, 7];
case 7:
_a++;
return [3 /*break*/, 3];
case 8:
// If no endpoints succeed, move to the next provider
if (!connected) {
return [3 /*break*/, 12];
}
return [3 /*break*/, 12];
case 9:
_e.trys.push([9, 11, , 12]);
providerConfig = __assign(__assign({}, config), additional_info);
_d = this;
return [4 /*yield*/, TranscriptionServiceFactory_1.TranscriptionServiceFactory.create(provider, providerConfig)];
case 10:
_d.transcriptionService = _e.sent();
this.addTranscriptionListeners();
this.emit("ready");
return [2 /*return*/];
case 11:
providerError_1 = _e.sent();
console.warn("Failed to initialize provider: ", providerError_1);
return [3 /*break*/, 12];
case 12:
_i++;
return [3 /*break*/, 2];
case 13: throw new Error("Failed to connect to any provider.");
case 14:
error_1 = _e.sent();
console.error("Error during initialization:", error_1);
return [3 /*break*/, 15];
case 15: return [2 /*return*/];
}
});
});
};
SofyaTranscriber.prototype.addTranscriptionListeners = function () {
var _this = this;
if (this.transcriptionService) {
// @ts-ignore
this.transcriptionService.on("recognizing", function (text) { _this.emit('recognizing', text); });
// @ts-ignore
this.transcriptionService.on("recognized", function (text) { _this.emit('recognized', text); });
// @ts-ignore
this.transcriptionService.on("error", function (error) { _this.emit('error', error); });
// @ts-ignore
this.transcriptionService.on("stopped", function () { _this.emit('stopped'); });
// @ts-ignore
this.transcriptionService.on("connected", function () { _this.emit('connected'); });
}
};
SofyaTranscriber.prototype.authenticate = function (apiKey) {
return __awaiter(this, void 0, void 0, function () {
var authData, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_b.trys.push([0, 2, , 3]);
return [4 /*yield*/, (0, api_1.authService)(apiKey)];
case 1:
authData = _b.sent();
if ((authData === null || authData === void 0 ? void 0 : authData.providers) && Array.isArray(authData.providers)) {
return [2 /*return*/, authData];
}
throw new Error("Invalid authentication data format.");
case 2:
_a = _b.sent();
throw new Error("Could not authenticate. Validate your apiKey");
case 3: return [2 /*return*/];
}
});
});
};
return SofyaTranscriber;
}(EventEmitter_1.default));
exports.SofyaTranscriber = SofyaTranscriber;
//# sourceMappingURL=SofyaTranscriber.js.map