etsdk-js/dist/index.js

Client-side to Tobii Pro SDK

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var src_exports = {};
__export(src_exports, {
  TobiiClient: () => TobiiClient
});
module.exports = __toCommonJS(src_exports);

// src/TobiiClient.ts
var import_isomorphic_ws = __toESM(require("isomorphic-ws"));
var import_js_logger = __toESM(require("js-logger"));

// src/utils.ts
function waitForSocketState(socket, state) {
  return new Promise(function(resolve) {
    setTimeout(function() {
      if (socket.readyState === state) {
        resolve(true);
      } else if (socket.readyState === socket.CLOSED && state === socket.OPEN) {
        resolve(false);
      } else {
        waitForSocketState(socket, state).then(resolve);
      }
    });
  });
}

// src/TobiiClient.ts
import_js_logger.default.useDefaults();
var tobiiLogger = import_js_logger.default.get("tobiiprosdk");
var TobiiClient = class {
  port;
  host = "http://localhost";
  wsHost = "ws://localhost";
  _activeWSConnections = {};
  constructor(port = 9999, host = "http://localhost", wsHost = "ws://localhost") {
    this.port = port;
    this.host = host;
    this.wsHost = wsHost;
  }
  async ping() {
    const response = await fetch(`${this.host}:${this.port}/api/ping`);
    const data = await response.json();
    return data;
  }
  async getEyeTrackers() {
    const response = await fetch(`${this.host}:${this.port}/api/find`);
    const data = await response.json();
    return data;
  }
  async connectToEyeTracker(serial_number) {
    const ws = await this._createWebSocketConnection(serial_number);
    this._activeWSConnections[serial_number] = ws;
    return ws;
  }
  async disconnectFromEyeTracker(serial_number) {
    const ws = this._activeWSConnections[serial_number];
    if (ws) {
      ws.close();
      delete this._activeWSConnections[serial_number];
    }
  }
  async clearAllActiveConnections() {
    for (const serial_number in this._activeWSConnections) {
      this.disconnectFromEyeTracker(serial_number);
    }
  }
  async _createWebSocketConnection(url_params) {
    const ws = new import_isomorphic_ws.default(`${this.wsHost}:${this.port}/ws/${url_params}`);
    await waitForSocketState(ws, ws.OPEN);
    return ws;
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  TobiiClient
});
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